Intermediate changes

author: robot-piglet <robot-piglet@yandex-team.com> 2023-03-23 12:15:53 +0300
committer: robot-piglet <robot-piglet@yandex-team.com> 2023-03-23 12:15:53 +0300
commit: 8d5942b8f813c0e704a166c3c83902ccceefca07 (patch)
tree: d717bac5cbd96eaff6a15e1c3f7b664b3b5dfce8 /contrib/libs/grpc/src
parent: 091daa0ca1dd4df8f596b17239c6f9a72abf3aab (diff)
download: ydb-8d5942b8f813c0e704a166c3c83902ccceefca07.tar.gz
101 files changed, 6 insertions, 12727 deletions
diff --git a/contrib/libs/grpc/src/proto/grpc/core/ya.make b/contrib/libs/grpc/src/proto/grpc/core/ya.make
index 29e70a5d56a..c6ebad89408 100644
--- a/contrib/libs/grpc/src/proto/grpc/core/ya.make
+++ b/contrib/libs/grpc/src/proto/grpc/core/ya.make
@@ -1,5 +1,7 @@
 PROTO_LIBRARY()
 
+WITHOUT_LICENSE_TEXTS()
+
 LICENSE(Apache-2.0)
 
 LICENSE_TEXTS(.yandex_meta/licenses.list.txt)
diff --git a/contrib/libs/grpc/src/proto/grpc/health/v1/ya.make b/contrib/libs/grpc/src/proto/grpc/health/v1/ya.make
index aa5f57c5d1d..87e9e34c1dd 100644
--- a/contrib/libs/grpc/src/proto/grpc/health/v1/ya.make
+++ b/contrib/libs/grpc/src/proto/grpc/health/v1/ya.make
@@ -1,5 +1,7 @@
 PROTO_LIBRARY()
 
+WITHOUT_LICENSE_TEXTS()
+
 LICENSE(Apache-2.0)
 
 LICENSE_TEXTS(.yandex_meta/licenses.list.txt)
diff --git a/contrib/libs/grpc/src/proto/grpc/status/ya.make b/contrib/libs/grpc/src/proto/grpc/status/ya.make
index 3b9e947b0bb..4641904cabf 100644
--- a/contrib/libs/grpc/src/proto/grpc/status/ya.make
+++ b/contrib/libs/grpc/src/proto/grpc/status/ya.make
@@ -1,5 +1,7 @@
 PROTO_LIBRARY()
 
+WITHOUT_LICENSE_TEXTS()
+
 LICENSE(Apache-2.0)
 
 LICENSE_TEXTS(.yandex_meta/licenses.list.txt)
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/benchmark_service.proto b/contrib/libs/grpc/src/proto/grpc/testing/benchmark_service.proto
deleted file mode 100644
index 63167a8cee6..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/benchmark_service.proto
+++ /dev/null
@@ -1,44 +0,0 @@
-// Copyright 2015 gRPC authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// An integration test service that covers all the method signature permutations
-// of unary/streaming requests/responses.
-syntax = "proto3";
-
-import "src/proto/grpc/testing/messages.proto";
-
-package grpc.testing;
-
-service BenchmarkService {
-  // One request followed by one response.
-  // The server returns the client payload as-is.
-  rpc UnaryCall(SimpleRequest) returns (SimpleResponse);
-
-  // Repeated sequence of one request followed by one response.
-  // Should be called streaming ping-pong
-  // The server returns the client payload as-is on each response
-  rpc StreamingCall(stream SimpleRequest) returns (stream SimpleResponse);
-
-  // Single-sided unbounded streaming from client to server
-  // The server returns the client payload as-is once the client does WritesDone
-  rpc StreamingFromClient(stream SimpleRequest) returns (SimpleResponse);
-
-  // Single-sided unbounded streaming from server to client
-  // The server repeatedly returns the client payload as-is
-  rpc StreamingFromServer(SimpleRequest) returns (stream SimpleResponse);
-
-  // Two-sided unbounded streaming between server to client
-  // Both sides send the content of their own choice to the other
-  rpc StreamingBothWays(stream SimpleRequest) returns (stream SimpleResponse);
-}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/compiler_test.proto b/contrib/libs/grpc/src/proto/grpc/testing/compiler_test.proto
deleted file mode 100644
index 9fa5590a594..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/compiler_test.proto
+++ /dev/null
@@ -1,71 +0,0 @@
-// Copyright 2016 gRPC authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// File detached comment 1
-
-// File detached comment 2
-
-// File leading comment 1
-syntax = "proto3";
-
-// Ignored detached comment
-// The comments in this file are not meant for readability
-// but rather to test to make sure that the code generator
-// properly preserves comments on files, services, and RPCs
-
-// Ignored package leading comment
-package grpc.testing;
-
-message Request {
-}
-message Response {
-}
-
-// ServiceA detached comment 1
-
-// ServiceA detached comment 2
-
-// ServiceA leading comment 1
-service ServiceA {
-  // MethodA1 leading comment 1
-  rpc MethodA1(Request) returns (Response);  // MethodA1 trailing comment 1
-
-  // MethodA2 detached leading comment 1
-
-  // Method A2 leading comment 1
-  // Method A2 leading comment 2
-  rpc MethodA2(stream Request) returns (Response);
-  // MethodA2 trailing comment 1
-
-  // Method A3 leading comment 1
-  rpc MethodA3(Request) returns (stream Response);
-  // Method A3 trailing comment 1
-
-  // Method A4 leading comment 1
-  rpc MethodA4(stream Request) returns (stream Response);
-  // Method A4 trailing comment 1
-}
-// Ignored ServiceA trailing comment 1
-
-// ServiceB leading comment 1
-service ServiceB {
-  // ServiceB trailing comment 1
-
-  // MethodB1 leading comment 1
-  rpc MethodB1(Request) returns (Response);
-  // MethodB1 trailing comment 1
-}
-// Ignored ServiceB trailing comment 2
-
-// Ignored file trailing comment
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/control.proto b/contrib/libs/grpc/src/proto/grpc/testing/control.proto
deleted file mode 100644
index 742b21926e7..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/control.proto
+++ /dev/null
@@ -1,289 +0,0 @@
-// Copyright 2015 gRPC authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-syntax = "proto3";
-
-import "src/proto/grpc/testing/payloads.proto";
-import "src/proto/grpc/testing/stats.proto";
-
-package grpc.testing;
-
-enum ClientType {
-  // Many languages support a basic distinction between using
-  // sync or async client, and this allows the specification
-  SYNC_CLIENT = 0;
-  ASYNC_CLIENT = 1;
-  OTHER_CLIENT = 2; // used for some language-specific variants
-  CALLBACK_CLIENT = 3;
-}
-
-enum ServerType {
-  SYNC_SERVER = 0;
-  ASYNC_SERVER = 1;
-  ASYNC_GENERIC_SERVER = 2;
-  OTHER_SERVER = 3; // used for some language-specific variants
-  CALLBACK_SERVER = 4;
-}
-
-enum RpcType {
-  UNARY = 0;
-  STREAMING = 1;
-  STREAMING_FROM_CLIENT = 2;
-  STREAMING_FROM_SERVER = 3;
-  STREAMING_BOTH_WAYS = 4;
-}
-
-// Parameters of poisson process distribution, which is a good representation
-// of activity coming in from independent identical stationary sources.
-message PoissonParams {
-  // The rate of arrivals (a.k.a. lambda parameter of the exp distribution).
-  double offered_load = 1;
-}
-
-// Once an RPC finishes, immediately start a new one.
-// No configuration parameters needed.
-message ClosedLoopParams {}
-
-message LoadParams {
-  oneof load {
-    ClosedLoopParams closed_loop = 1;
-    PoissonParams poisson = 2;
-  };
-}
-
-// presence of SecurityParams implies use of TLS
-message SecurityParams {
-  bool use_test_ca = 1;
-  string server_host_override = 2;
-  string cred_type = 3;
-}
-
-message ChannelArg {
-  string name = 1;
-  oneof value {
-    string str_value = 2;
-    int32 int_value = 3;
-  }
-}
-
-message ClientConfig {
-  // List of targets to connect to. At least one target needs to be specified.
-  repeated string server_targets = 1;
-  ClientType client_type = 2;
-  SecurityParams security_params = 3;
-  // How many concurrent RPCs to start for each channel.
-  // For synchronous client, use a separate thread for each outstanding RPC.
-  int32 outstanding_rpcs_per_channel = 4;
-  // Number of independent client channels to create.
-  // i-th channel will connect to server_target[i % server_targets.size()]
-  int32 client_channels = 5;
-  // Only for async client. Number of threads to use to start/manage RPCs.
-  int32 async_client_threads = 7;
-  RpcType rpc_type = 8;
-  // The requested load for the entire client (aggregated over all the threads).
-  LoadParams load_params = 10;
-  PayloadConfig payload_config = 11;
-  HistogramParams histogram_params = 12;
-
-  // Specify the cores we should run the client on, if desired
-  repeated int32 core_list = 13;
-  int32 core_limit = 14;
-
-  // If we use an OTHER_CLIENT client_type, this string gives more detail
-  string other_client_api = 15;
-
-  repeated ChannelArg channel_args = 16;
-
-  // Number of threads that share each completion queue
-  int32 threads_per_cq = 17;
-
-  // Number of messages on a stream before it gets finished/restarted
-  int32 messages_per_stream = 18;
-
-  // Use coalescing API when possible.
-  bool use_coalesce_api = 19;
-
-  // If 0, disabled. Else, specifies the period between gathering latency
-  // medians in milliseconds.
-  int32 median_latency_collection_interval_millis = 20;
-
-  // Number of client processes. 0 indicates no restriction.
-  int32 client_processes = 21;
-}
-
-message ClientStatus { ClientStats stats = 1; }
-
-// Request current stats
-message Mark {
-  // if true, the stats will be reset after taking their snapshot.
-  bool reset = 1;
-}
-
-message ClientArgs {
-  oneof argtype {
-    ClientConfig setup = 1;
-    Mark mark = 2;
-  }
-}
-
-message ServerConfig {
-  ServerType server_type = 1;
-  SecurityParams security_params = 2;
-  // Port on which to listen. Zero means pick unused port.
-  int32 port = 4;
-  // Only for async server. Number of threads used to serve the requests.
-  int32 async_server_threads = 7;
-  // Specify the number of cores to limit server to, if desired
-  int32 core_limit = 8;
-  // payload config, used in generic server.
-  // Note this must NOT be used in proto (non-generic) servers. For proto servers,
-  // 'response sizes' must be configured from the 'response_size' field of the
-  // 'SimpleRequest' objects in RPC requests.
-  PayloadConfig payload_config = 9;
-
-  // Specify the cores we should run the server on, if desired
-  repeated int32 core_list = 10;
-
-  // If we use an OTHER_SERVER client_type, this string gives more detail
-  string other_server_api = 11;
-
-  // Number of threads that share each completion queue
-  int32 threads_per_cq = 12;
-
-  // c++-only options (for now) --------------------------------
-
-  // Buffer pool size (no buffer pool specified if unset)
-  int32 resource_quota_size = 1001;
-  repeated ChannelArg channel_args = 1002;
-
-  // Number of server processes. 0 indicates no restriction.
-  int32 server_processes = 21;
-}
-
-message ServerArgs {
-  oneof argtype {
-    ServerConfig setup = 1;
-    Mark mark = 2;
-  }
-}
-
-message ServerStatus {
-  ServerStats stats = 1;
-  // the port bound by the server
-  int32 port = 2;
-  // Number of cores available to the server
-  int32 cores = 3;
-}
-
-message CoreRequest {
-}
-
-message CoreResponse {
-  // Number of cores available on the server
-  int32 cores = 1;
-}
-
-message Void {
-}
-
-// A single performance scenario: input to qps_json_driver
-message Scenario {
-  // Human readable name for this scenario
-  string name = 1;
-  // Client configuration
-  ClientConfig client_config = 2;
-  // Number of clients to start for the test
-  int32 num_clients = 3;
-  // Server configuration
-  ServerConfig server_config = 4;
-  // Number of servers to start for the test
-  int32 num_servers = 5;
-  // Warmup period, in seconds
-  int32 warmup_seconds = 6;
-  // Benchmark time, in seconds
-  int32 benchmark_seconds = 7;
-  // Number of workers to spawn locally (usually zero)
-  int32 spawn_local_worker_count = 8;
-}
-
-// A set of scenarios to be run with qps_json_driver
-message Scenarios {
-  repeated Scenario scenarios = 1;
-}
-
-// Basic summary that can be computed from ClientStats and ServerStats
-// once the scenario has finished.
-message ScenarioResultSummary
-{
-  // Total number of operations per second over all clients. What is counted as 1 'operation' depends on the benchmark scenarios:
-  // For unary benchmarks, an operation is processing of a single unary RPC. 
-  // For streaming benchmarks, an operation is processing of a single ping pong of request and response. 
-  double qps = 1;
-  // QPS per server core.
-  double qps_per_server_core = 2;
-  // The total server cpu load based on system time across all server processes, expressed as percentage of a single cpu core.
-  // For example, 85 implies 85% of a cpu core, 125 implies 125% of a cpu core. Since we are accumulating the cpu load across all the server 
-  // processes, the value could > 100 when there are multiple servers or a single server using multiple threads and cores. 
-  // Same explanation for the total client cpu load below.
-  double server_system_time = 3;
-  // The total server cpu load based on user time across all server processes, expressed as percentage of a single cpu core. (85 => 85%, 125 => 125%)
-  double server_user_time = 4;
-  // The total client cpu load based on system time across all client processes, expressed as percentage of a single cpu core. (85 => 85%, 125 => 125%)
-  double client_system_time = 5;
-  // The total client cpu load based on user time across all client processes, expressed as percentage of a single cpu core. (85 => 85%, 125 => 125%)
-  double client_user_time = 6;
-
-  // X% latency percentiles (in nanoseconds)
-  double latency_50 = 7;
-  double latency_90 = 8;
-  double latency_95 = 9;
-  double latency_99 = 10;
-  double latency_999 = 11;
-
-  // server cpu usage percentage
-  double server_cpu_usage = 12;
-
-  // Number of requests that succeeded/failed
-  double successful_requests_per_second = 13;
-  double failed_requests_per_second = 14;
-
-  // Number of polls called inside completion queue per request
-  double client_polls_per_request = 15;
-  double server_polls_per_request = 16;
-
-  // Queries per CPU-sec over all servers or clients
-  double server_queries_per_cpu_sec = 17;
-  double client_queries_per_cpu_sec = 18;
-}
-
-// Results of a single benchmark scenario.
-message ScenarioResult {
-  // Inputs used to run the scenario.
-  Scenario scenario = 1;
-  // Histograms from all clients merged into one histogram.
-  HistogramData latencies = 2;
-  // Client stats for each client
-  repeated ClientStats client_stats = 3;
-  // Server stats for each server
-  repeated ServerStats server_stats = 4;
-  // Number of cores available to each server
-  repeated int32 server_cores = 5;
-  // An after-the-fact computed summary
-  ScenarioResultSummary summary = 6;
-  // Information on success or failure of each worker
-  repeated bool client_success = 7;
-  repeated bool server_success = 8;
-  // Number of failed requests (one row per status code seen)
-  repeated RequestResultCount request_results = 9;
-}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/duplicate/echo_duplicate.proto b/contrib/libs/grpc/src/proto/grpc/testing/duplicate/echo_duplicate.proto
deleted file mode 100644
index 24b7ee0a246..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/duplicate/echo_duplicate.proto
+++ /dev/null
@@ -1,27 +0,0 @@
-
-// Copyright 2015 gRPC authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// This is a partial copy of echo.proto with a different package name.
-
-syntax = "proto3";
-
-import "src/proto/grpc/testing/echo_messages.proto";
-
-package grpc.testing.duplicate;
-
-service EchoTestService {
-  rpc Echo(grpc.testing.EchoRequest) returns (grpc.testing.EchoResponse);
-  rpc ResponseStream(EchoRequest) returns (stream EchoResponse);
-}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/duplicate/ya.make b/contrib/libs/grpc/src/proto/grpc/testing/duplicate/ya.make
deleted file mode 100644
index 6b97d9e107e..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/duplicate/ya.make
+++ /dev/null
@@ -1,28 +0,0 @@
-PROTO_LIBRARY()
-
-LICENSE(Apache-2.0)
-
-LICENSE_TEXTS(.yandex_meta/licenses.list.txt)
-
-EXCLUDE_TAGS(
-    GO_PROTO
-    PY_PROTO
-    PY3_PROTO
-)
-
-PROTO_NAMESPACE(
-    GLOBAL
-    contrib/libs/grpc
-)
-
-PEERDIR(
-    contrib/libs/grpc/src/proto/grpc/testing
-)
-
-GRPC()
-
-SRCS(
-    echo_duplicate.proto
-)
-
-END()
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/echo.proto b/contrib/libs/grpc/src/proto/grpc/testing/echo.proto
deleted file mode 100644
index ae38aeaf194..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/echo.proto
+++ /dev/null
@@ -1,70 +0,0 @@
-
-// Copyright 2015 gRPC authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-syntax = "proto3";
-
-package grpc.testing;
-
-import "src/proto/grpc/testing/echo_messages.proto";
-import "src/proto/grpc/testing/simple_messages.proto";
-
-service EchoTestService {
-  rpc Echo(EchoRequest) returns (EchoResponse);
-  rpc Echo1(EchoRequest) returns (EchoResponse);
-  rpc Echo2(EchoRequest) returns (EchoResponse);
-  rpc CheckDeadlineUpperBound(SimpleRequest42) returns (StringValue);
-  rpc CheckDeadlineSet(SimpleRequest42) returns (StringValue);
-  // A service which checks that the initial metadata sent over contains some
-  // expected key value pair
-  rpc CheckClientInitialMetadata(SimpleRequest42) returns (SimpleResponse42);
-  rpc RequestStream(stream EchoRequest) returns (EchoResponse);
-  rpc ResponseStream(EchoRequest) returns (stream EchoResponse);
-  rpc BidiStream(stream EchoRequest) returns (stream EchoResponse);
-  rpc Unimplemented(EchoRequest) returns (EchoResponse);
-  rpc UnimplementedBidi(stream EchoRequest) returns (stream EchoResponse);
-}
-
-service EchoTest1Service {
-  rpc Echo(EchoRequest) returns (EchoResponse);
-  rpc Echo1(EchoRequest) returns (EchoResponse);
-  rpc Echo2(EchoRequest) returns (EchoResponse);
-  // A service which checks that the initial metadata sent over contains some
-  // expected key value pair
-  rpc CheckClientInitialMetadata(SimpleRequest42) returns (SimpleResponse42);
-  rpc RequestStream(stream EchoRequest) returns (EchoResponse);
-  rpc ResponseStream(EchoRequest) returns (stream EchoResponse);
-  rpc BidiStream(stream EchoRequest) returns (stream EchoResponse);
-  rpc Unimplemented(EchoRequest) returns (EchoResponse);
-}
-
-service EchoTest2Service {
-  rpc Echo(EchoRequest) returns (EchoResponse);
-  rpc Echo1(EchoRequest) returns (EchoResponse);
-  rpc Echo2(EchoRequest) returns (EchoResponse);
-  // A service which checks that the initial metadata sent over contains some
-  // expected key value pair
-  rpc CheckClientInitialMetadata(SimpleRequest42) returns (SimpleResponse42);
-  rpc RequestStream(stream EchoRequest) returns (EchoResponse);
-  rpc ResponseStream(EchoRequest) returns (stream EchoResponse);
-  rpc BidiStream(stream EchoRequest) returns (stream EchoResponse);
-  rpc Unimplemented(EchoRequest) returns (EchoResponse);
-}
-
-service UnimplementedEchoService {
-  rpc Unimplemented(EchoRequest) returns (EchoResponse);
-}
-
-// A service without any rpc defined to test coverage.
-service NoRpcService {}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/echo_messages.proto b/contrib/libs/grpc/src/proto/grpc/testing/echo_messages.proto
deleted file mode 100644
index 6f1e5f34046..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/echo_messages.proto
+++ /dev/null
@@ -1,70 +0,0 @@
-
-// Copyright 2015 gRPC authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-syntax = "proto3";
-
-package grpc.testing;
-
-option cc_enable_arenas = true;
-
-// Message to be echoed back serialized in trailer.
-message DebugInfo {
-  repeated string stack_entries = 1;
-  string detail = 2;
-}
-
-// Error status client expects to see.
-message ErrorStatus {
-  int32 code = 1;
-  string error_message = 2;
-  string binary_error_details = 3;
-}
-
-message RequestParams {
-  bool echo_deadline = 1;
-  int32 client_cancel_after_us = 2;
-  int32 server_cancel_after_us = 3;
-  bool echo_metadata = 4;
-  bool check_auth_context = 5;
-  int32 response_message_length = 6;
-  bool echo_peer = 7;
-  string expected_client_identity = 8; // will force check_auth_context.
-  bool skip_cancelled_check = 9;
-  string expected_transport_security_type = 10;
-  DebugInfo debug_info = 11;
-  bool server_die = 12; // Server should not see a request with this set.
-  string binary_error_details = 13;
-  ErrorStatus expected_error = 14;
-  int32 server_sleep_us = 15; // sleep when invoking server for deadline tests
-  int32 backend_channel_idx = 16; // which backend to send request to
-  bool echo_metadata_initially = 17;
-  bool server_notify_client_when_started = 18;
-}
-
-message EchoRequest {
-  string message = 1;
-  RequestParams param = 2;
-}
-
-message ResponseParams {
-  int64 request_deadline = 1;
-  string host = 2;
-  string peer = 3;
-}
-
-message EchoResponse {
-  string message = 1;
-  ResponseParams param = 2;
-}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/empty.proto b/contrib/libs/grpc/src/proto/grpc/testing/empty.proto
deleted file mode 100644
index 6a0aa88dfde..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/empty.proto
+++ /dev/null
@@ -1,28 +0,0 @@
-
-// Copyright 2015 gRPC authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-syntax = "proto3";
-
-package grpc.testing;
-
-// An empty message that you can re-use to avoid defining duplicated empty
-// messages in your project. A typical example is to use it as argument or the
-// return value of a service API. For instance:
-//
-//   service Foo {
-//     rpc Bar (grpc.testing.Empty) returns (grpc.testing.Empty) { };
-//   };
-//
-message Empty {}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/empty_service.proto b/contrib/libs/grpc/src/proto/grpc/testing/empty_service.proto
deleted file mode 100644
index 157629b7a45..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/empty_service.proto
+++ /dev/null
@@ -1,23 +0,0 @@
-
-// Copyright 2018 gRPC authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-syntax = "proto3";
-
-package grpc.testing;
-
-// A service that has zero methods.
-// See https://github.com/grpc/grpc/issues/15574
-service EmptyService {
-}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/messages.proto b/contrib/libs/grpc/src/proto/grpc/testing/messages.proto
deleted file mode 100644
index 559876ed7c0..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/messages.proto
+++ /dev/null
@@ -1,270 +0,0 @@
-
-// Copyright 2015-2016 gRPC authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Message definitions to be used by integration test service definitions.
-
-syntax = "proto3";
-
-package grpc.testing;
-
-// TODO(dgq): Go back to using well-known types once
-// https://github.com/grpc/grpc/issues/6980 has been fixed.
-// import "google/protobuf/wrappers.proto";
-message BoolValue {
-  // The bool value.
-  bool value = 1;
-}
-
-// The type of payload that should be returned.
-enum PayloadType {
-  // Compressable text format.
-  COMPRESSABLE = 0;
-}
-
-// A block of data, to simply increase gRPC message size.
-message Payload {
-  // The type of data in body.
-  PayloadType type = 1;
-  // Primary contents of payload.
-  bytes body = 2;
-}
-
-// A protobuf representation for grpc status. This is used by test
-// clients to specify a status that the server should attempt to return.
-message EchoStatus {
-  int32 code = 1;
-  string message = 2;
-}
-
-// The type of route that a client took to reach a server w.r.t. gRPCLB.
-// The server must fill in "fallback" if it detects that the RPC reached
-// the server via the "gRPCLB fallback" path, and "backend" if it detects
-// that the RPC reached the server via "gRPCLB backend" path (i.e. if it got
-// the address of this server from the gRPCLB server BalanceLoad RPC). Exactly
-// how this detection is done is context and server dependent.
-enum GrpclbRouteType {
-  // Server didn't detect the route that a client took to reach it.
-  GRPCLB_ROUTE_TYPE_UNKNOWN = 0;
-  // Indicates that a client reached a server via gRPCLB fallback.
-  GRPCLB_ROUTE_TYPE_FALLBACK = 1;
-  // Indicates that a client reached a server as a gRPCLB-given backend.
-  GRPCLB_ROUTE_TYPE_BACKEND = 2;
-}
-
-// Unary request.
-message SimpleRequest {
-  // Desired payload type in the response from the server.
-  // If response_type is RANDOM, server randomly chooses one from other formats.
-  PayloadType response_type = 1;
-
-  // Desired payload size in the response from the server.
-  int32 response_size = 2;
-
-  // Optional input payload sent along with the request.
-  Payload payload = 3;
-
-  // Whether SimpleResponse should include username.
-  bool fill_username = 4;
-
-  // Whether SimpleResponse should include OAuth scope.
-  bool fill_oauth_scope = 5;
-
-  // Whether to request the server to compress the response. This field is
-  // "nullable" in order to interoperate seamlessly with clients not able to
-  // implement the full compression tests by introspecting the call to verify
-  // the response's compression status.
-  BoolValue response_compressed = 6;
-
-  // Whether server should return a given status
-  EchoStatus response_status = 7;
-
-  // Whether the server should expect this request to be compressed.
-  BoolValue expect_compressed = 8;
-
-  // Whether SimpleResponse should include server_id.
-  bool fill_server_id = 9;
-
-  // Whether SimpleResponse should include grpclb_route_type.
-  bool fill_grpclb_route_type = 10;
-}
-
-// Unary response, as configured by the request.
-message SimpleResponse {
-  // Payload to increase message size.
-  Payload payload = 1;
-  // The user the request came from, for verifying authentication was
-  // successful when the client expected it.
-  string username = 2;
-  // OAuth scope.
-  string oauth_scope = 3;
-
-  // Server ID. This must be unique among different server instances,
-  // but the same across all RPC's made to a particular server instance.
-  string server_id = 4;
-  // gRPCLB Path.
-  GrpclbRouteType grpclb_route_type = 5;
-
-  // Server hostname.
-  string hostname = 6;
-}
-
-// Client-streaming request.
-message StreamingInputCallRequest {
-  // Optional input payload sent along with the request.
-  Payload payload = 1;
-
-  // Whether the server should expect this request to be compressed. This field
-  // is "nullable" in order to interoperate seamlessly with servers not able to
-  // implement the full compression tests by introspecting the call to verify
-  // the request's compression status.
-  BoolValue expect_compressed = 2;
-
-  // Not expecting any payload from the response.
-}
-
-// Client-streaming response.
-message StreamingInputCallResponse {
-  // Aggregated size of payloads received from the client.
-  int32 aggregated_payload_size = 1;
-}
-
-// Configuration for a particular response.
-message ResponseParameters {
-  // Desired payload sizes in responses from the server.
-  int32 size = 1;
-
-  // Desired interval between consecutive responses in the response stream in
-  // microseconds.
-  int32 interval_us = 2;
-
-  // Whether to request the server to compress the response. This field is
-  // "nullable" in order to interoperate seamlessly with clients not able to
-  // implement the full compression tests by introspecting the call to verify
-  // the response's compression status.
-  BoolValue compressed = 3;
-}
-
-// Server-streaming request.
-message StreamingOutputCallRequest {
-  // Desired payload type in the response from the server.
-  // If response_type is RANDOM, the payload from each response in the stream
-  // might be of different types. This is to simulate a mixed type of payload
-  // stream.
-  PayloadType response_type = 1;
-
-  // Configuration for each expected response message.
-  repeated ResponseParameters response_parameters = 2;
-
-  // Optional input payload sent along with the request.
-  Payload payload = 3;
-
-  // Whether server should return a given status
-  EchoStatus response_status = 7;
-}
-
-// Server-streaming response, as configured by the request and parameters.
-message StreamingOutputCallResponse {
-  // Payload to increase response size.
-  Payload payload = 1;
-}
-
-// For reconnect interop test only.
-// Client tells server what reconnection parameters it used.
-message ReconnectParams {
-  int32 max_reconnect_backoff_ms = 1;
-}
-
-// For reconnect interop test only.
-// Server tells client whether its reconnects are following the spec and the
-// reconnect backoffs it saw.
-message ReconnectInfo {
-  bool passed = 1;
-  repeated int32 backoff_ms = 2;
-}
-
-message LoadBalancerStatsRequest {
-  // Request stats for the next num_rpcs sent by client.
-  int32 num_rpcs = 1;
-  // If num_rpcs have not completed within timeout_sec, return partial results.
-  int32 timeout_sec = 2;
-}
-
-message LoadBalancerStatsResponse {
-  message RpcsByPeer {
-    // The number of completed RPCs for each peer.
-    map<string, int32> rpcs_by_peer = 1;
-  }
-  // The number of completed RPCs for each peer.
-  map<string, int32> rpcs_by_peer = 1;
-  // The number of RPCs that failed to record a remote peer.
-  int32 num_failures = 2;
-  map<string, RpcsByPeer> rpcs_by_method = 3;
-}
-
-// Request for retrieving a test client's accumulated stats.
-message LoadBalancerAccumulatedStatsRequest {}
-
-// Accumulated stats for RPCs sent by a test client.
-message LoadBalancerAccumulatedStatsResponse {
-  // The total number of RPCs have ever issued for each type.
-  // Deprecated: use stats_per_method.rpcs_started instead.
-  map<string, int32> num_rpcs_started_by_method = 1 [deprecated = true];
-  // The total number of RPCs have ever completed successfully for each type.
-  // Deprecated: use stats_per_method.result instead.
-  map<string, int32> num_rpcs_succeeded_by_method = 2 [deprecated = true];
-  // The total number of RPCs have ever failed for each type.
-  // Deprecated: use stats_per_method.result instead.
-  map<string, int32> num_rpcs_failed_by_method = 3 [deprecated = true];
-
-  message MethodStats {
-    // The number of RPCs that were started for this method.
-    int32 rpcs_started = 1;
-
-    // The number of RPCs that completed with each status for this method.  The
-    // key is the integral value of a google.rpc.Code; the value is the count.
-    map<int32, int32> result = 2;
-  }
-
-  // Per-method RPC statistics.  The key is the RpcType in string form; e.g.
-  // 'EMPTY_CALL' or 'UNARY_CALL'
-  map<string, MethodStats> stats_per_method = 4;
-}
-
-// Configurations for a test client.
-message ClientConfigureRequest {
-  // Type of RPCs to send.
-  enum RpcType {
-    EMPTY_CALL = 0;
-    UNARY_CALL = 1;
-  }
-
-  // Metadata to be attached for the given type of RPCs.
-  message Metadata {
-    RpcType type = 1;
-    string key = 2;
-    string value = 3;
-  }
-
-  // The types of RPCs the client sends.
-  repeated RpcType types = 1;
-  // The collection of custom metadata to be attached to RPCs sent by the client.
-  repeated Metadata metadata = 2;
-  // The deadline to use, in seconds, for all RPCs.  If unset or zero, the
-  // client will use the default from the command-line.
-  int32 timeout_sec = 3;
-}
-
-// Response for updating a test client's configuration.
-message ClientConfigureResponse {}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/metrics.proto b/contrib/libs/grpc/src/proto/grpc/testing/metrics.proto
deleted file mode 100644
index 69504006431..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/metrics.proto
+++ /dev/null
@@ -1,49 +0,0 @@
-// Copyright 2015-2016 gRPC authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Contains the definitions for a metrics service and the type of metrics
-// exposed by the service.
-//
-// Currently, 'Gauge' (i.e a metric that represents the measured value of
-// something at an instant of time) is the only metric type supported by the
-// service.
-syntax = "proto3";
-
-package grpc.testing;
-
-// Response message containing the gauge name and value
-message GaugeResponse {
-  string name = 1;
-  oneof value {
-    int64 long_value = 2;
-    double double_value = 3;
-    string string_value = 4;
-  }
-}
-
-// Request message containing the gauge name
-message GaugeRequest {
-  string name = 1;
-}
-
-message EmptyMessage {}
-
-service MetricsService {
-  // Returns the values of all the gauges that are currently being maintained by
-  // the service
-  rpc GetAllGauges(EmptyMessage) returns (stream GaugeResponse);
-
-  // Returns the value of one gauge
-  rpc GetGauge(GaugeRequest) returns (GaugeResponse);
-}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/payloads.proto b/contrib/libs/grpc/src/proto/grpc/testing/payloads.proto
deleted file mode 100644
index 4feab92eab6..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/payloads.proto
+++ /dev/null
@@ -1,40 +0,0 @@
-// Copyright 2015 gRPC authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-syntax = "proto3";
-
-package grpc.testing;
-
-message ByteBufferParams {
-  int32 req_size = 1;
-  int32 resp_size = 2;
-}
-
-message SimpleProtoParams {
-  int32 req_size = 1;
-  int32 resp_size = 2;
-}
-
-message ComplexProtoParams {
-  // TODO (vpai): Fill this in once the details of complex, representative
-  //              protos are decided
-}
-
-message PayloadConfig {
-  oneof payload {
-    ByteBufferParams bytebuf_params = 1;
-    SimpleProtoParams simple_params = 2;
-    ComplexProtoParams complex_params = 3;
-  }
-}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/proxy-service.proto b/contrib/libs/grpc/src/proto/grpc/testing/proxy-service.proto
deleted file mode 100644
index deaabd13651..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/proxy-service.proto
+++ /dev/null
@@ -1,31 +0,0 @@
-// Copyright 2017 gRPC authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-syntax = "proto3";
-
-import "src/proto/grpc/testing/control.proto";
-import "src/proto/grpc/testing/stats.proto";
-
-package grpc.testing;
-
-message ProxyStat {
-  double latency = 1;
-}
-
-service ProxyClientService {
-  rpc GetConfig(Void) returns (ClientConfig);
-  rpc ReportTime(stream ProxyStat) returns (Void);
-  rpc ReportHist(stream HistogramData) returns (Void);
-}
-
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/report_qps_scenario_service.proto b/contrib/libs/grpc/src/proto/grpc/testing/report_qps_scenario_service.proto
deleted file mode 100644
index f4e5c36254c..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/report_qps_scenario_service.proto
+++ /dev/null
@@ -1,26 +0,0 @@
-// Copyright 2015 gRPC authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// An integration test service that covers all the method signature permutations
-// of unary/streaming requests/responses.
-syntax = "proto3";
-
-import "src/proto/grpc/testing/control.proto";
-
-package grpc.testing;
-
-service ReportQpsScenarioService {
-  // Report results of a QPS test benchmark scenario.
-  rpc ReportScenario(ScenarioResult) returns (Void);
-}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/simple_messages.proto b/contrib/libs/grpc/src/proto/grpc/testing/simple_messages.proto
deleted file mode 100644
index 6fbb395a448..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/simple_messages.proto
+++ /dev/null
@@ -1,26 +0,0 @@
-
-// Copyright 2018 gRPC authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-syntax = "proto3";
-
-package grpc.testing;
-
-message SimpleRequest42 {}
-
-message SimpleResponse42 {}
-
-message StringValue {
-  string message = 1;
-}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/stats.proto b/contrib/libs/grpc/src/proto/grpc/testing/stats.proto
deleted file mode 100644
index a0f84ddbcee..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/stats.proto
+++ /dev/null
@@ -1,83 +0,0 @@
-// Copyright 2015 gRPC authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-syntax = "proto3";
-
-package grpc.testing;
-
-import "src/proto/grpc/core/stats.proto";
-
-message ServerStats {
-  // wall clock time change in seconds since last reset
-  double time_elapsed = 1;
-
-  // change in user time (in seconds) used by the server since last reset
-  double time_user = 2;
-
-  // change in server time (in seconds) used by the server process and all
-  // threads since last reset
-  double time_system = 3;
-
-  // change in total cpu time of the server (data from proc/stat)
-  uint64 total_cpu_time = 4;
-
-  // change in idle time of the server (data from proc/stat)
-  uint64 idle_cpu_time = 5;
-
-  // Number of polls called inside completion queue
-  uint64 cq_poll_count = 6;
-
-  // Core library stats
-  grpc.core.Stats core_stats = 7;
-}
-
-// Histogram params based on grpc/support/histogram.c
-message HistogramParams {
-  double resolution = 1;   // first bucket is [0, 1 + resolution)
-  double max_possible = 2; // use enough buckets to allow this value
-}
-
-// Histogram data based on grpc/support/histogram.c
-message HistogramData {
-  repeated uint32 bucket = 1;
-  double min_seen = 2;
-  double max_seen = 3;
-  double sum = 4;
-  double sum_of_squares = 5;
-  double count = 6;
-}
-
-message RequestResultCount {
-  int32 status_code = 1;
-  int64 count = 2;
-}
-
-message ClientStats {
-  // Latency histogram. Data points are in nanoseconds.
-  HistogramData latencies = 1;
-
-  // See ServerStats for details.
-  double time_elapsed = 2;
-  double time_user = 3;
-  double time_system = 4;
-
-  // Number of failed requests (one row per status code seen)
-  repeated RequestResultCount request_results = 5;
-
-  // Number of polls called inside completion queue
-  uint64 cq_poll_count = 6;
-
-  // Core library stats
-  grpc.core.Stats core_stats = 7;
-}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/test.proto b/contrib/libs/grpc/src/proto/grpc/testing/test.proto
deleted file mode 100644
index 5805a41da99..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/test.proto
+++ /dev/null
@@ -1,102 +0,0 @@
-
-// Copyright 2015-2016 gRPC authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// An integration test service that covers all the method signature permutations
-// of unary/streaming requests/responses.
-
-syntax = "proto3";
-
-import "src/proto/grpc/testing/empty.proto";
-import "src/proto/grpc/testing/messages.proto";
-
-package grpc.testing;
-
-// A simple service to test the various types of RPCs and experiment with
-// performance with various types of payload.
-service TestService {
-  // One empty request followed by one empty response.
-  rpc EmptyCall(grpc.testing.Empty) returns (grpc.testing.Empty);
-
-  // One request followed by one response.
-  rpc UnaryCall(SimpleRequest) returns (SimpleResponse);
-
-  // One request followed by one response. Response has cache control
-  // headers set such that a caching HTTP proxy (such as GFE) can
-  // satisfy subsequent requests.
-  rpc CacheableUnaryCall(SimpleRequest) returns (SimpleResponse);
-
-  // One request followed by a sequence of responses (streamed download).
-  // The server returns the payload with client desired type and sizes.
-  rpc StreamingOutputCall(StreamingOutputCallRequest)
-      returns (stream StreamingOutputCallResponse);
-
-  // A sequence of requests followed by one response (streamed upload).
-  // The server returns the aggregated size of client payload as the result.
-  rpc StreamingInputCall(stream StreamingInputCallRequest)
-      returns (StreamingInputCallResponse);
-
-  // A sequence of requests with each request served by the server immediately.
-  // As one request could lead to multiple responses, this interface
-  // demonstrates the idea of full duplexing.
-  rpc FullDuplexCall(stream StreamingOutputCallRequest)
-      returns (stream StreamingOutputCallResponse);
-
-  // A sequence of requests followed by a sequence of responses.
-  // The server buffers all the client requests and then serves them in order. A
-  // stream of responses are returned to the client when the server starts with
-  // first request.
-  rpc HalfDuplexCall(stream StreamingOutputCallRequest)
-      returns (stream StreamingOutputCallResponse);
-
-  // The test server will not implement this method. It will be used
-  // to test the behavior when clients call unimplemented methods.
-  rpc UnimplementedCall(grpc.testing.Empty) returns (grpc.testing.Empty);
-}
-
-// A simple service NOT implemented at servers so clients can test for
-// that case.
-service UnimplementedService {
-  // A call that no server should implement
-  rpc UnimplementedCall(grpc.testing.Empty) returns (grpc.testing.Empty);
-}
-
-// A service used to control reconnect server.
-service ReconnectService {
-  rpc Start(grpc.testing.ReconnectParams) returns (grpc.testing.Empty);
-  rpc Stop(grpc.testing.Empty) returns (grpc.testing.ReconnectInfo);
-}
-
-// A service used to obtain stats for verifying LB behavior.
-service LoadBalancerStatsService {
-  // Gets the backend distribution for RPCs sent by a test client.
-  rpc GetClientStats(LoadBalancerStatsRequest)
-      returns (LoadBalancerStatsResponse) {}
-
-  // Gets the accumulated stats for RPCs sent by a test client.
-  rpc GetClientAccumulatedStats(LoadBalancerAccumulatedStatsRequest)
-      returns (LoadBalancerAccumulatedStatsResponse) {}
-}
-
-// A service to remotely control health status of an xDS test server.
-service XdsUpdateHealthService {
-  rpc SetServing(grpc.testing.Empty) returns (grpc.testing.Empty);
-  rpc SetNotServing(grpc.testing.Empty) returns (grpc.testing.Empty);
-}
-
-// A service to dynamically update the configuration of an xDS test client.
-service XdsUpdateClientConfigureService {
-  // Update the tes client's configuration.
-  rpc Configure(ClientConfigureRequest) returns (ClientConfigureResponse);
-}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/worker_service.proto b/contrib/libs/grpc/src/proto/grpc/testing/worker_service.proto
deleted file mode 100644
index a4cde944b07..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/worker_service.proto
+++ /dev/null
@@ -1,45 +0,0 @@
-// Copyright 2015 gRPC authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// An integration test service that covers all the method signature permutations
-// of unary/streaming requests/responses.
-syntax = "proto3";
-
-import "src/proto/grpc/testing/control.proto";
-
-package grpc.testing;
-
-service WorkerService {
-  // Start server with specified workload.
-  // First request sent specifies the ServerConfig followed by ServerStatus
-  // response. After that, a "Mark" can be sent anytime to request the latest
-  // stats. Closing the stream will initiate shutdown of the test server
-  // and once the shutdown has finished, the OK status is sent to terminate
-  // this RPC.
-  rpc RunServer(stream ServerArgs) returns (stream ServerStatus);
-
-  // Start client with specified workload.
-  // First request sent specifies the ClientConfig followed by ClientStatus
-  // response. After that, a "Mark" can be sent anytime to request the latest
-  // stats. Closing the stream will initiate shutdown of the test client
-  // and once the shutdown has finished, the OK status is sent to terminate
-  // this RPC.
-  rpc RunClient(stream ClientArgs) returns (stream ClientStatus);
-
-  // Just return the core count - unary call
-  rpc CoreCount(CoreRequest) returns (CoreResponse);
-
-  // Quit this worker
-  rpc QuitWorker(Void) returns (Void);
-}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/xds/ads_for_test.proto b/contrib/libs/grpc/src/proto/grpc/testing/xds/ads_for_test.proto
deleted file mode 100644
index 0d308fbbeac..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/xds/ads_for_test.proto
+++ /dev/null
@@ -1,51 +0,0 @@
-// Copyright 2019 The gRPC Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// This file contains the eds protocol and its dependency.
-//
-// TODO(juanlishen): This file is a hack to avoid a problem we're
-// currently having where we can't depend on a proto file in an external
-// repo due to bazel limitations.  Once that's fixed, this should be
-// removed.  Until this, it should be used in the gRPC tests only, or else it
-// will cause a conflict due to the same proto messages being defined in
-// multiple files in the same binary.
-
-syntax = "proto3";
-
-package envoy.service.discovery.v2;
-
-import "src/proto/grpc/testing/xds/eds_for_test.proto";
-
-// [#not-implemented-hide:] Discovery services for endpoints, clusters, routes,
-// and listeners are retained in the package `envoy.api.v2` for backwards
-// compatibility with existing management servers. New development in discovery
-// services should proceed in the package `envoy.service.discovery.v2`.
-
-// See https://github.com/lyft/envoy-api#apis for a description of the role of
-// ADS and how it is intended to be used by a management server. ADS requests
-// have the same structure as their singleton xDS counterparts, but can
-// multiplex many resource types on a single stream. The type_url in the
-// DiscoveryRequest/DiscoveryResponse provides sufficient information to recover
-// the multiplexed singleton APIs at the Envoy instance and management server.
-service AggregatedDiscoveryService {
-  // This is a gRPC-only API.
-  rpc StreamAggregatedResources(stream envoy.api.v2.DiscoveryRequest)
-      returns (stream envoy.api.v2.DiscoveryResponse) {
-  }
-
-  // Commented out so that we don't have to copy the request/response protos.
-//  rpc DeltaAggregatedResources(stream api.v2.DeltaDiscoveryRequest)
-//      returns (stream api.v2.DeltaDiscoveryResponse) {
-//  }
-}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/xds/cds_for_test.proto b/contrib/libs/grpc/src/proto/grpc/testing/xds/cds_for_test.proto
deleted file mode 100644
index 3d3c1c164fb..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/xds/cds_for_test.proto
+++ /dev/null
@@ -1,186 +0,0 @@
-// Copyright 2019 The gRPC Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// This file contains the xds protocol and its dependency. It can't be used by
-// the gRPC library; otherwise there can be duplicate definition problems if
-// users depend on both gRPC and Envoy. It can only be used by gRPC tests.
-//
-// TODO(juanlishen): This file is a hack to avoid a problem we're
-// currently having where we can't depend on a proto file in an external
-// repo due to bazel limitations.  Once that's fixed, this should be
-// removed.  Until this, it should be used in the gRPC tests only, or else it
-// will cause a conflict due to the same proto messages being defined in
-// multiple files in the same binary.
-
-syntax = "proto3";
-
-package envoy.api.v2;
-
-import "google/protobuf/wrappers.proto";
-
-// Aggregated Discovery Service (ADS) options. This is currently empty, but when
-// set in :ref:`ConfigSource <envoy_api_msg_core.ConfigSource>` can be used to
-// specify that ADS is to be used.
-message AggregatedConfigSource {
-}
-
-message SelfConfigSource {
-}
-
-message ConfigSource {
-  oneof config_source_specifier {
-    // When set, ADS will be used to fetch resources. The ADS API configuration
-    // source in the bootstrap configuration is used.
-    AggregatedConfigSource ads = 3;
-
-    // [#not-implemented-hide:]
-    // When set, the client will access the resources from the same server it got the
-    // ConfigSource from, although not necessarily from the same stream. This is similar to the
-    // :ref:`ads<envoy_api_field.ConfigSource.ads>` field, except that the client may use a
-    // different stream to the same server. As a result, this field can be used for things
-    // like LRS that cannot be sent on an ADS stream. It can also be used to link from (e.g.)
-    // LDS to RDS on the same server without requiring the management server to know its name
-    // or required credentials.
-    // [#next-major-version: In xDS v3, consider replacing the ads field with this one, since
-    // this field can implicitly mean to use the same stream in the case where the ConfigSource
-    // is provided via ADS and the specified data can also be obtained via ADS.]
-    SelfConfigSource self = 5;
-  }
-}
-
-enum RoutingPriority {
-  DEFAULT = 0;
-  HIGH = 1;
-}
-
-message CircuitBreakers {
-  message Thresholds {
-    RoutingPriority priority = 1;
-    google.protobuf.UInt32Value max_requests = 4;
-  }
-  repeated Thresholds thresholds = 1;
-}
-
-message ClusterConfig {
-  repeated string clusters = 1;
-}
-
-message CustomClusterType {
-  string name = 1;
-  ClusterConfig typed_config = 2;
-}
-
-message Cluster {
-  // Refer to :ref:`service discovery type <arch_overview_service_discovery_types>`
-  // for an explanation on each type.
-  enum DiscoveryType {
-    // Refer to the :ref:`static discovery type<arch_overview_service_discovery_types_static>`
-    // for an explanation.
-    STATIC = 0;
-
-    // Refer to the :ref:`strict DNS discovery
-    // type<arch_overview_service_discovery_types_strict_dns>`
-    // for an explanation.
-    STRICT_DNS = 1;
-
-    // Refer to the :ref:`logical DNS discovery
-    // type<arch_overview_service_discovery_types_logical_dns>`
-    // for an explanation.
-    LOGICAL_DNS = 2;
-
-    // Refer to the :ref:`service discovery type<arch_overview_service_discovery_types_eds>`
-    // for an explanation.
-    EDS = 3;
-
-    // Refer to the :ref:`original destination discovery
-    // type<arch_overview_service_discovery_types_original_destination>`
-    // for an explanation.
-    ORIGINAL_DST = 4;
-  }
-
-  string name = 1;
-
-  oneof cluster_discovery_type {
-    // The :ref:`service discovery type <arch_overview_service_discovery_types>`
-    // to use for resolving the cluster.
-    DiscoveryType type = 2;
-
-    // The custom cluster type: aggregate cluster in this case.
-    CustomClusterType cluster_type = 38;
-  }
-
-  // Only valid when discovery type is EDS.
-  message EdsClusterConfig {
-    // Configuration for the source of EDS updates for this Cluster.
-    ConfigSource eds_config = 1;
-
-    // Optional alternative to cluster name to present to EDS. This does not
-    // have the same restrictions as cluster name, i.e. it may be arbitrary
-    // length.
-    string service_name = 2;
-  }
-
-  // Refer to :ref:`load balancer type <arch_overview_load_balancing_types>` architecture
-  // overview section for information on each type.
-  enum LbPolicy {
-    // Refer to the :ref:`round robin load balancing
-    // policy<arch_overview_load_balancing_types_round_robin>`
-    // for an explanation.
-    ROUND_ROBIN = 0;
-
-    // Refer to the :ref:`least request load balancing
-    // policy<arch_overview_load_balancing_types_least_request>`
-    // for an explanation.
-    LEAST_REQUEST = 1;
-
-    // Refer to the :ref:`ring hash load balancing
-    // policy<arch_overview_load_balancing_types_ring_hash>`
-    // for an explanation.
-    RING_HASH = 2;
-
-    // Refer to the :ref:`random load balancing
-    // policy<arch_overview_load_balancing_types_random>`
-    // for an explanation.
-    RANDOM = 3;
-
-    // Refer to the :ref:`original destination load balancing
-    // policy<arch_overview_load_balancing_types_original_destination>`
-    // for an explanation.
-    //
-    // .. attention::
-    //
-    //   **This load balancing policy is deprecated**. Use CLUSTER_PROVIDED instead.
-    //
-    ORIGINAL_DST_LB = 4;
-
-    // Refer to the :ref:`Maglev load balancing policy<arch_overview_load_balancing_types_maglev>`
-    // for an explanation.
-    MAGLEV = 5;
-
-    // This load balancer type must be specified if the configured cluster provides a cluster
-    // specific load balancer. Consult the configured cluster's documentation for whether to set
-    // this option or not.
-    CLUSTER_PROVIDED = 6;
-  }
-  // The :ref:`load balancer type <arch_overview_load_balancing_types>` to use
-  // when picking a host in the cluster.
-  LbPolicy lb_policy = 6;
-
-  // Configuration to use for EDS updates for the Cluster.
-  EdsClusterConfig eds_cluster_config = 3;
-
-  CircuitBreakers circuit_breakers = 10;
-
-  ConfigSource lrs_server = 42;
-}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/xds/eds_for_test.proto b/contrib/libs/grpc/src/proto/grpc/testing/xds/eds_for_test.proto
deleted file mode 100644
index 3b8ce66f0e5..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/xds/eds_for_test.proto
+++ /dev/null
@@ -1,517 +0,0 @@
-// Copyright 2019 The gRPC Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// This file contains the xds protocol and its dependency. It can't be used by
-// the gRPC library; otherwise there can be duplicate definition problems if
-// users depend on both gRPC and Envoy. It can only be used by gRPC tests.
-//
-// TODO(juanlishen): This file is a hack to avoid a problem we're
-// currently having where we can't depend on a proto file in an external
-// repo due to bazel limitations.  Once that's fixed, this should be
-// removed.  Until this, it should be used in the gRPC tests only, or else it
-// will cause a conflict due to the same proto messages being defined in
-// multiple files in the same binary.
-
-syntax = "proto3";
-
-package envoy.api.v2;
-
-import "google/protobuf/any.proto";
-import "google/protobuf/struct.proto";
-import "google/protobuf/wrappers.proto";
-
-message Status {
-  // The status code, which should be an enum value of [google.rpc.Code][].
-  int32 code = 1;
-
-  // A developer-facing error message, which should be in English. Any
-  // user-facing error message should be localized and sent in the
-  // [google.rpc.Status.details][] field, or localized by the client.
-  string message = 2;
-
-  // A list of messages that carry the error details.  There is a common set of
-  // message types for APIs to use.
-  repeated google.protobuf.Any details = 3;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-
-// Identifies location of where either Envoy runs or where upstream hosts run.
-message Locality {
-  // Region this :ref:`zone <envoy_api_field_core.Locality.zone>` belongs to.
-  string region = 1;
-
-  // Defines the local service zone where Envoy is running. Though optional, it
-  // should be set if discovery service routing is used and the discovery
-  // service exposes :ref:`zone data <envoy_api_field_endpoint.LocalityLbEndpoints.locality>`,
-  // either in this message or via :option:`--service-zone`. The meaning of zone
-  // is context dependent, e.g. `Availability Zone (AZ)
-  // <https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html>`_
-  // on AWS, `Zone <https://cloud.google.com/compute/docs/regions-zones/>`_ on
-  // GCP, etc.
-  string zone = 2;
-
-  // When used for locality of upstream hosts, this field further splits zone
-  // into smaller chunks of sub-zones so they can be load balanced
-  // independently.
-  string sub_zone = 3;
-}
-
-// Identifies a specific Envoy instance. The node identifier is presented to the
-// management server, which may use this identifier to distinguish per Envoy
-// configuration for serving.
-message Node {
-  // An opaque node identifier for the Envoy node. This also provides the local
-  // service node name. It should be set if any of the following features are
-  // used: :ref:`statsd <arch_overview_statistics>`, :ref:`CDS
-  // <config_cluster_manager_cds>`, and :ref:`HTTP tracing
-  // <arch_overview_tracing>`, either in this message or via
-  // :option:`--service-node`.
-  string id = 1;
-
-  // Defines the local service cluster name where Envoy is running. Though
-  // optional, it should be set if any of the following features are used:
-  // :ref:`statsd <arch_overview_statistics>`, :ref:`health check cluster
-  // verification <envoy_api_field_core.HealthCheck.HttpHealthCheck.service_name>`,
-  // :ref:`runtime override directory <envoy_api_msg_config.bootstrap.v2.Runtime>`,
-  // :ref:`user agent addition
-  // <envoy_api_field_config.filter.network.http_connection_manager.v2.HttpConnectionManager.add_user_agent>`,
-  // :ref:`HTTP global rate limiting <config_http_filters_rate_limit>`,
-  // :ref:`CDS <config_cluster_manager_cds>`, and :ref:`HTTP tracing
-  // <arch_overview_tracing>`, either in this message or via
-  // :option:`--service-cluster`.
-  string cluster = 2;
-
-  // Opaque metadata extending the node identifier. Envoy will pass this
-  // directly to the management server.
-  google.protobuf.Struct metadata = 3;
-
-  // Locality specifying where the Envoy instance is running.
-  Locality locality = 4;
-
-  // This is motivated by informing a management server during canary which
-  // version of Envoy is being tested in a heterogeneous fleet. This will be set
-  // by Envoy in management server RPCs.
-  string build_version = 5 [deprecated = true];
-
-  // Free-form string that identifies the entity requesting config.
-  // E.g. "envoy" or "grpc"
-  string user_agent_name = 6;
-
-  oneof user_agent_version_type {
-    // Free-form string that identifies the version of the entity requesting config.
-    // E.g. "1.12.2" or "abcd1234", or "SpecialEnvoyBuild"
-    string user_agent_version = 7;
-  }
-
-  // Client feature support list. These are well known features described
-  // in the Envoy API repository for a given major version of an API. Client features
-  // use reverse DNS naming scheme, for example `com.acme.feature`.
-  // See :ref:`the list of features <client_features>` that xDS client may
-  // support.
-  repeated string client_features = 10;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-
-// A DiscoveryRequest requests a set of versioned resources of the same type for
-// a given Envoy node on some API.
-message DiscoveryRequest {
-  // The version_info provided in the request messages will be the version_info
-  // received with the most recent successfully processed response or empty on
-  // the first request. It is expected that no new request is sent after a
-  // response is received until the Envoy instance is ready to ACK/NACK the new
-  // configuration. ACK/NACK takes place by returning the new API config version
-  // as applied or the previous API config version respectively. Each type_url
-  // (see below) has an independent version associated with it.
-  string version_info = 1;
-
-  // The node making the request.
-  Node node = 2;
-
-  // List of resources to subscribe to, e.g. list of cluster names or a route
-  // configuration name. If this is empty, all resources for the API are
-  // returned. LDS/CDS expect empty resource_names, since this is global
-  // discovery for the Envoy instance. The LDS and CDS responses will then imply
-  // a number of resources that need to be fetched via EDS/RDS, which will be
-  // explicitly enumerated in resource_names.
-  repeated string resource_names = 3;
-
-  // Type of the resource that is being requested, e.g.
-  // "type.googleapis.com/envoy.api.v2.ClusterLoadAssignment". This is implicit
-  // in requests made via singleton xDS APIs such as CDS, LDS, etc. but is
-  // required for ADS.
-  string type_url = 4;
-
-  // nonce corresponding to DiscoveryResponse being ACK/NACKed. See above
-  // discussion on version_info and the DiscoveryResponse nonce comment. This
-  // may be empty if no nonce is available, e.g. at startup or for non-stream
-  // xDS implementations.
-  string response_nonce = 5;
-
-  // This is populated when the previous :ref:`DiscoveryResponse <envoy_api_msg_DiscoveryResponse>`
-  // failed to update configuration. The *message* field in *error_details* provides the Envoy
-  // internal exception related to the failure. It is only intended for consumption during manual
-  // debugging, the string provided is not guaranteed to be stable across Envoy versions.
-  Status error_detail = 6;
-}
-
-message DiscoveryResponse {
-  // The version of the response data.
-  string version_info = 1;
-
-  // The response resources. These resources are typed and depend on the API being called.
-  repeated google.protobuf.Any resources = 2;
-
-  // [#not-implemented-hide:]
-  // Canary is used to support two Envoy command line flags:
-  //
-  // * --terminate-on-canary-transition-failure. When set, Envoy is able to
-  //   terminate if it detects that configuration is stuck at canary. Consider
-  //   this example sequence of updates:
-  //   - Management server applies a canary config successfully.
-  //   - Management server rolls back to a production config.
-  //   - Envoy rejects the new production config.
-  //   Since there is no sensible way to continue receiving configuration
-  //   updates, Envoy will then terminate and apply production config from a
-  //   clean slate.
-  // * --dry-run-canary. When set, a canary response will never be applied, only
-  //   validated via a dry run.
-  bool canary = 3;
-
-  // Type URL for resources. This must be consistent with the type_url in the
-  // Any messages for resources if resources is non-empty. This effectively
-  // identifies the xDS API when muxing over ADS.
-  string type_url = 4;
-
-  // For gRPC based subscriptions, the nonce provides a way to explicitly ack a
-  // specific DiscoveryResponse in a following DiscoveryRequest. Additional
-  // messages may have been sent by Envoy to the management server for the
-  // previous version on the stream prior to this DiscoveryResponse, that were
-  // unprocessed at response send time. The nonce allows the management server
-  // to ignore any further DiscoveryRequests for the previous version until a
-  // DiscoveryRequest bearing the nonce. The nonce is optional and is not
-  // required for non-stream based xDS implementations.
-  string nonce = 5;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-
-message Pipe {
-  // Unix Domain Socket path. On Linux, paths starting with '@' will use the
-  // abstract namespace. The starting '@' is replaced by a null byte by Envoy.
-  // Paths starting with '@' will result in an error in environments other than
-  // Linux.
-  string path = 1;
-}
-
-message SocketAddress {
-  enum Protocol {
-    TCP = 0;
-    // [#not-implemented-hide:]
-    UDP = 1;
-  }
-  Protocol protocol = 1;
-  // The address for this socket. :ref:`Listeners <config_listeners>` will bind
-  // to the address. An empty address is not allowed. Specify ``0.0.0.0`` or ``::``
-  // to bind to any address. [#comment:TODO(zuercher) reinstate when implemented:
-  // It is possible to distinguish a Listener address via the prefix/suffix matching
-  // in :ref:`FilterChainMatch <envoy_api_msg_listener.FilterChainMatch>`.] When used
-  // within an upstream :ref:`BindConfig <envoy_api_msg_core.BindConfig>`, the address
-  // controls the source address of outbound connections. For :ref:`clusters
-  // <envoy_api_msg_Cluster>`, the cluster type determines whether the
-  // address must be an IP (*STATIC* or *EDS* clusters) or a hostname resolved by DNS
-  // (*STRICT_DNS* or *LOGICAL_DNS* clusters). Address resolution can be customized
-  // via :ref:`resolver_name <envoy_api_field_core.SocketAddress.resolver_name>`.
-  string address = 2;
-  oneof port_specifier {
-    uint32 port_value = 3;
-    // This is only valid if :ref:`resolver_name
-    // <envoy_api_field_core.SocketAddress.resolver_name>` is specified below and the
-    // named resolver is capable of named port resolution.
-    string named_port = 4;
-  }
-  // The name of the resolver. This must have been registered with Envoy. If this is
-  // empty, a context dependent default applies. If address is a hostname this
-  // should be set for resolution other than DNS. If the address is a concrete
-  // IP address, no resolution will occur.
-  string resolver_name = 5;
-
-  // When binding to an IPv6 address above, this enables `IPv4 compatibity
-  // <https://tools.ietf.org/html/rfc3493#page-11>`_. Binding to ``::`` will
-  // allow both IPv4 and IPv6 connections, with peer IPv4 addresses mapped into
-  // IPv6 space as ``::FFFF:<IPv4-address>``.
-  bool ipv4_compat = 6;
-}
-
-// Addresses specify either a logical or physical address and port, which are
-// used to tell Envoy where to bind/listen, connect to upstream and find
-// management servers.
-message Address {
-  oneof address {
-
-    SocketAddress socket_address = 1;
-    Pipe pipe = 2;
-  }
-}
-
-///////////////////////////////////////////////////////////////////////////////
-
-message Metadata {
-  // Key is the reverse DNS filter name, e.g. com.acme.widget. The envoy.*
-  // namespace is reserved for Envoy's built-in filters.
-  map<string, google.protobuf.Struct> filter_metadata = 1;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-
-// Endpoint health status.
-enum HealthStatus {
-  // The health status is not known. This is interpreted by Envoy as *HEALTHY*.
-  UNKNOWN = 0;
-
-  // Healthy.
-  HEALTHY = 1;
-
-  // Unhealthy.
-  UNHEALTHY = 2;
-
-  // Connection draining in progress. E.g.,
-  // `<https://aws.amazon.com/blogs/aws/elb-connection-draining-remove-instances-from-service-with-care/>`_
-  // or
-  // `<https://cloud.google.com/compute/docs/load-balancing/enabling-connection-draining>`_.
-  // This is interpreted by Envoy as *UNHEALTHY*.
-  DRAINING = 3;
-
-  // Health check timed out. This is part of HDS and is interpreted by Envoy as
-  // *UNHEALTHY*.
-  TIMEOUT = 4;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-
-// Upstream host identifier.
-message Endpoint {
-  // The upstream host address.
-  //
-  // .. attention::
-  //
-  //   The form of host address depends on the given cluster type. For STATIC or EDS,
-  //   it is expected to be a direct IP address (or something resolvable by the
-  //   specified :ref:`resolver <envoy_api_field_core.SocketAddress.resolver_name>`
-  //   in the Address). For LOGICAL or STRICT DNS, it is expected to be hostname,
-  //   and will be resolved via DNS.
-  Address address = 1;
-
-  // The optional health check configuration.
-  message HealthCheckConfig {
-    // Optional alternative health check port value.
-    //
-    // By default the health check address port of an upstream host is the same
-    // as the host's serving address port. This provides an alternative health
-    // check port. Setting this with a non-zero value allows an upstream host
-    // to have different health check address port.
-    uint32 port_value = 1;
-  }
-
-  // The optional health check configuration is used as configuration for the
-  // health checker to contact the health checked host.
-  //
-  // .. attention::
-  //
-  //   This takes into effect only for upstream clusters with
-  //   :ref:`active health checking <arch_overview_health_checking>` enabled.
-  HealthCheckConfig health_check_config = 2;
-}
-
-// An Endpoint that Envoy can route traffic to.
-message LbEndpoint {
-  // Upstream host identifier
-  Endpoint endpoint = 1;
-
-  // Optional health status when known and supplied by EDS server.
-  HealthStatus health_status = 2;
-
-  // The endpoint metadata specifies values that may be used by the load
-  // balancer to select endpoints in a cluster for a given request. The filter
-  // name should be specified as *envoy.lb*. An example boolean key-value pair
-  // is *canary*, providing the optional canary status of the upstream host.
-  // This may be matched against in a route's
-  // :ref:`RouteAction <envoy_api_msg_route.RouteAction>` metadata_match field
-  // to subset the endpoints considered in cluster load balancing.
-  Metadata metadata = 3;
-
-  // The optional load balancing weight of the upstream host, in the range 1 -
-  // 128. Envoy uses the load balancing weight in some of the built in load
-  // balancers. The load balancing weight for an endpoint is divided by the sum
-  // of the weights of all endpoints in the endpoint's locality to produce a
-  // percentage of traffic for the endpoint. This percentage is then further
-  // weighted by the endpoint's locality's load balancing weight from
-  // LocalityLbEndpoints. If unspecified, each host is presumed to have equal
-  // weight in a locality.
-  //
-  // .. attention::
-  //
-  //   The limit of 128 is somewhat arbitrary, but is applied due to performance
-  //   concerns with the current implementation and can be removed when
-  //   `this issue <https://github.com/envoyproxy/envoy/issues/1285>`_ is fixed.
-  google.protobuf.UInt32Value load_balancing_weight = 4;
-}
-
-// A group of endpoints belonging to a Locality.
-// One can have multiple LocalityLbEndpoints for a locality, but this is
-// generally only done if the different groups need to have different load
-// balancing weights or different priorities.
-message LocalityLbEndpoints {
-  // Identifies location of where the upstream hosts run.
-  Locality locality = 1;
-
-  // The group of endpoints belonging to the locality specified.
-  repeated LbEndpoint lb_endpoints = 2;
-
-  // Optional: Per priority/region/zone/sub_zone weight - range 1-128. The load
-  // balancing weight for a locality is divided by the sum of the weights of all
-  // localities  at the same priority level to produce the effective percentage
-  // of traffic for the locality.
-  //
-  // Locality weights are only considered when :ref:`locality weighted load
-  // balancing <arch_overview_load_balancing_locality_weighted_lb>` is
-  // configured. These weights are ignored otherwise. If no weights are
-  // specificed when locality weighted load balancing is enabled, the cluster is
-  // assumed to have a weight of 1.
-  //
-  // .. attention::
-  //
-  //   The limit of 128 is somewhat arbitrary, but is applied due to performance
-  //   concerns with the current implementation and can be removed when
-  //   `this issue <https://github.com/envoyproxy/envoy/issues/1285>`_ is fixed.
-  google.protobuf.UInt32Value load_balancing_weight = 3;
-
-  // Optional: the priority for this LocalityLbEndpoints. If unspecified this will
-  // default to the highest priority (0).
-  //
-  // Under usual circumstances, Envoy will only select endpoints for the highest
-  // priority (0). In the event all endpoints for a particular priority are
-  // unavailable/unhealthy, Envoy will fail over to selecting endpoints for the
-  // next highest priority group.
-  //
-  // Priorities should range from 0 (highest) to N (lowest) without skipping.
-  uint32 priority = 5;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-
-message FractionalPercent {
-  // Specifies the numerator. Defaults to 0.
-  uint32 numerator = 1;
-
-  // Fraction percentages support several fixed denominator values.
-  enum DenominatorType {
-    // 100.
-    //
-    // **Example**: 1/100 = 1%.
-    HUNDRED = 0;
-
-    // 10,000.
-    //
-    // **Example**: 1/10000 = 0.01%.
-    TEN_THOUSAND = 1;
-
-    // 1,000,000.
-    //
-    // **Example**: 1/1000000 = 0.0001%.
-    MILLION = 2;
-  }
-
-  // Specifies the denominator. If the denominator specified is less than the numerator, the final
-  // fractional percentage is capped at 1 (100%).
-  DenominatorType denominator = 2;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-
-// [#protodoc-title: EDS]
-// Endpoint discovery :ref:`architecture overview <arch_overview_service_discovery_types_eds>`
-service EndpointDiscoveryService {
-  // The resource_names field in DiscoveryRequest specifies a list of clusters
-  // to subscribe to updates for.
-  rpc StreamEndpoints(stream DiscoveryRequest) returns (stream DiscoveryResponse) {
-  }
-}
-
-// Each route from RDS will map to a single cluster or traffic split across
-// clusters using weights expressed in the RDS WeightedCluster.
-//
-// With EDS, each cluster is treated independently from a LB perspective, with
-// LB taking place between the Localities within a cluster and at a finer
-// granularity between the hosts within a locality. For a given cluster, the
-// effective weight of a host is its load_balancing_weight multiplied by the
-// load_balancing_weight of its Locality.
-message ClusterLoadAssignment {
-  // Name of the cluster. This will be the :ref:`service_name
-  // <envoy_api_field_Cluster.EdsClusterConfig.service_name>` value if specified
-  // in the cluster :ref:`EdsClusterConfig
-  // <envoy_api_msg_Cluster.EdsClusterConfig>`.
-  string cluster_name = 1;
-
-  // List of endpoints to load balance to.
-  repeated LocalityLbEndpoints endpoints = 2;
-
-  // Load balancing policy settings.
-  message Policy {
-    reserved 1;
-
-    message DropOverload {
-      // Identifier for the policy specifying the drop.
-      string category = 1;
-
-      // Percentage of traffic that should be dropped for the category.
-      FractionalPercent drop_percentage = 2;
-    }
-    // Action to trim the overall incoming traffic to protect the upstream
-    // hosts. This action allows protection in case the hosts are unable to
-    // recover from an outage, or unable to autoscale or unable to handle
-    // incoming traffic volume for any reason.
-    //
-    // At the client each category is applied one after the other to generate
-    // the 'actual' drop percentage on all outgoing traffic. For example:
-    //
-    // .. code-block:: json
-    //
-    //  { "drop_overloads": [
-    //      { "category": "throttle", "drop_percentage": 60 }
-    //      { "category": "lb", "drop_percentage": 50 }
-    //  ]}
-    //
-    // The actual drop percentages applied to the traffic at the clients will be
-    //    "throttle"_drop = 60%
-    //    "lb"_drop = 20%  // 50% of the remaining 'actual' load, which is 40%.
-    //    actual_outgoing_load = 20% // remaining after applying all categories.
-    repeated DropOverload drop_overloads = 2;
-
-    // Priority levels and localities are considered overprovisioned with this
-    // factor (in percentage). This means that we don't consider a priority
-    // level or locality unhealthy until the percentage of healthy hosts
-    // multiplied by the overprovisioning factor drops below 100.
-    // With the default value 140(1.4), Envoy doesn't consider a priority level
-    // or a locality unhealthy until their percentage of healthy hosts drops
-    // below 72%.
-    // Read more at :ref:`priority levels <arch_overview_load_balancing_priority_levels>` and
-    // :ref:`localities <arch_overview_load_balancing_locality_weighted_lb>`.
-    google.protobuf.UInt32Value overprovisioning_factor = 3;
-  }
-
-  // Load balancing policy settings.
-  Policy policy = 4;
-}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/xds/lds_rds_for_test.proto b/contrib/libs/grpc/src/proto/grpc/testing/xds/lds_rds_for_test.proto
deleted file mode 100644
index d5ba5bd32bc..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/xds/lds_rds_for_test.proto
+++ /dev/null
@@ -1,215 +0,0 @@
-// Copyright 2019 The gRPC Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// This file contains the eds protocol and its dependency.
-//
-// TODO(juanlishen): This file is a hack to avoid a problem we're
-// currently having where we can't depend on a proto file in an external
-// repo due to bazel limitations.  Once that's fixed, this should be
-// removed.  Until this, it should be used in the gRPC tests only, or else it
-// will cause a conflict due to the same proto messages being defined in
-// multiple files in the same binary.
-
-syntax = "proto3";
-
-package envoy.api.v2;
-
-import "google/protobuf/any.proto";
-import "google/protobuf/wrappers.proto";
-import "src/proto/grpc/testing/xds/cds_for_test.proto";
-import "src/proto/grpc/testing/xds/eds_for_test.proto";
-
-message RegexMatcher {
-  message GoogleRE2 {
-    google.protobuf.UInt32Value max_program_size = 1;
-  }
-  oneof engine_type {
-    GoogleRE2 google_re2 = 1;
-  }
-  string regex = 2;
-}
-
-message Int64Range {
-  // start of the range (inclusive)
-  int64 start = 1;
-
-  // end of the range (exclusive)
-  int64 end = 2;
-}
-
-message BoolValue {
-  // The bool value.
-  bool value = 1;
-}
-
-message HeaderMatcher {
-  string name = 1;
-  oneof header_match_specifier {
-    string exact_match = 4;
-    RegexMatcher safe_regex_match = 11;
-    Int64Range range_match = 6;
-    bool present_match = 7;
-    string prefix_match = 9;
-    string suffix_match = 10;
-  }
-  bool invert_match = 8;
-}
-
-message QueryParameterMatcher {
-  string name = 1;
-}
-
-message RuntimeFractionalPercent {
-  FractionalPercent default_value = 1;
-}
-
-message RouteMatch {
-  oneof path_specifier {
-    // If specified, the route is a prefix rule meaning that the prefix must
-    // match the beginning of the *:path* header.
-    string prefix = 1;
-    string path = 2;
-    RegexMatcher safe_regex = 10;
-  }
-  BoolValue case_sensitive = 4;
-  repeated QueryParameterMatcher query_parameters = 7;
-  RuntimeFractionalPercent runtime_fraction = 9;
-  repeated HeaderMatcher headers = 6;
-}
-
-message WeightedCluster {
-  message ClusterWeight {
-    string name = 1;
-    google.protobuf.UInt32Value weight = 2;
-  }
-  repeated ClusterWeight clusters = 1;
-  google.protobuf.UInt32Value  total_weight = 3;
-}
-
-message RouteAction {
-  oneof cluster_specifier {
-    // Indicates the upstream cluster to which the request should be routed
-    // to.
-    string cluster = 1;
-
-    // Envoy will determine the cluster to route to by reading the value of the
-    // HTTP header named by cluster_header from the request headers. If the
-    // header is not found or the referenced cluster does not exist, Envoy will
-    // return a 404 response.
-    //
-    // .. attention::
-    //
-    //   Internally, Envoy always uses the HTTP/2 *:authority* header to represent the HTTP/1
-    //   *Host* header. Thus, if attempting to match on *Host*, match on *:authority* instead.
-    string cluster_header = 2;
-    // Multiple upstream clusters can be specified for a given route. The
-    // request is routed to one of the upstream clusters based on weights
-    // assigned to each cluster. See
-    // :ref:`traffic splitting <config_http_conn_man_route_table_traffic_splitting_split>`
-    // for additional documentation.
-    WeightedCluster weighted_clusters = 3;
-  }
-}
-
-message RedirectAction {}
-
-message Route {
-   RouteMatch match = 1;
-
-   oneof action {
-     // Route request to some upstream cluster.
-     RouteAction route = 2;
-
-     // Return a redirect.
-     RedirectAction redirect = 3;
-   }
-}
-
-message VirtualHost {
-  repeated string domains = 2;
-  repeated Route routes = 3;
-}
-
-message Rds {
-  // Configuration source specifier for RDS.
-  ConfigSource config_source = 1;
-
-  // The name of the route configuration. This name will be passed to the RDS
-  // API. This allows an Envoy configuration with multiple HTTP listeners (and
-  // associated HTTP connection manager filters) to use different route
-  // configurations.
-  string route_config_name = 2;
-}
-
-message RouteConfiguration {
-  // The name of the route configuration. For example, it might match
-  // :ref:`route_config_name
-  // <envoy_api_field_config.filter.network.http_connection_manager.v2.Rds.route_config_name>` in
-  // :ref:`envoy_api_msg_config.filter.network.http_connection_manager.v2.Rds`.
-  string name = 1;
-
-  // An array of virtual hosts that make up the route table.
-  repeated VirtualHost virtual_hosts = 2;
-}
-
-message ScopedRoutes {}
-
-message HttpConnectionManager {
-  oneof route_specifier {
-    // The connection manager’s route table will be dynamically loaded via the RDS API.
-    Rds rds = 3;
-
-    // The route table for the connection manager is static and is specified in this property.
-    RouteConfiguration route_config = 4;
-
-    // A route table will be dynamically assigned to each request based on request attributes
-    // (e.g., the value of a header). The "routing scopes" (i.e., route tables) and "scope keys" are
-    // specified in this message.
-    ScopedRoutes scoped_routes = 31;
-  }
-}
-
-message ApiListener {
-  // The type in this field determines the type of API listener. At present, the following
-  // types are supported:
-  //   envoy.config.filter.network.http_connection_manager.v2.HttpConnectionManager (HTTP)
-  // [#next-major-version: In the v3 API, replace this Any field with a oneof containing the
-  // specific config message for each type of API listener. We could not do this in v2 because
-  // it would have caused circular dependencies for go protos: lds.proto depends on this file,
-  // and http_connection_manager.proto depends on rds.proto, which is in the same directory as
-  // lds.proto, so lds.proto cannot depend on this file.]
-  google.protobuf.Any api_listener = 1;
-}
-
-message Listener {
-  string name = 1;
-
-  // Used to represent an API listener, which is used in non-proxy clients. The type of API
-  // exposed to the non-proxy application depends on the type of API listener.
-  // When this field is set, no other field except for :ref:`name<envoy_api_field_Listener.name>`
-  // should be set.
-  //
-  // .. note::
-  //
-  //  Currently only one ApiListener can be installed; and it can only be done via bootstrap config,
-  //  not LDS.
-  //
-  // [#next-major-version: In the v3 API, instead of this messy approach where the socket
-  // listener fields are directly in the top-level Listener message and the API listener types
-  // are in the ApiListener message, the socket listener messages should be in their own message,
-  // and the top-level Listener should essentially be a oneof that selects between the
-  // socket listener and the various types of API listener. That way, a given Listener message
-  // can structurally only contain the fields of the relevant type.]
-  ApiListener api_listener = 19;
-}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/xds/lrs_for_test.proto b/contrib/libs/grpc/src/proto/grpc/testing/xds/lrs_for_test.proto
deleted file mode 100644
index d46d5e2ccc5..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/xds/lrs_for_test.proto
+++ /dev/null
@@ -1,189 +0,0 @@
-// Copyright 2019 The gRPC Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// This file contains the eds protocol and its dependency.
-//
-// TODO(juanlishen): This file is a hack to avoid a problem we're
-// currently having where we can't depend on a proto file in an external
-// repo due to bazel limitations.  Once that's fixed, this should be
-// removed.  Until this, it should be used in the gRPC tests only, or else it
-// will cause a conflict due to the same proto messages being defined in
-// multiple files in the same binary.
-
-syntax = "proto3";
-
-package envoy.service.load_stats.v2;
-
-import "google/protobuf/duration.proto";
-import "src/proto/grpc/testing/xds/eds_for_test.proto";
-
-// [#not-implemented-hide:] Not configuration. TBD how to doc proto APIs.
-message EndpointLoadMetricStats {
-  // Name of the metric; may be empty.
-  string metric_name = 1;
-
-  // Number of calls that finished and included this metric.
-  uint64 num_requests_finished_with_metric = 2;
-
-  // Sum of metric values across all calls that finished with this metric for
-  // load_reporting_interval.
-  double total_metric_value = 3;
-}
-
-message UpstreamLocalityStats {
-  // Name of zone, region and optionally endpoint group these metrics were
-  // collected from. Zone and region names could be empty if unknown.
-  envoy.api.v2.Locality locality = 1;
-
-  // The total number of requests successfully completed by the endpoints in the
-  // locality.
-  uint64 total_successful_requests = 2;
-
-  // The total number of unfinished requests
-  uint64 total_requests_in_progress = 3;
-
-  // The total number of requests that failed due to errors at the endpoint,
-  // aggregated over all endpoints in the locality.
-  uint64 total_error_requests = 4;
-
-  // The total number of requests that were issued by this Envoy since
-  // the last report. This information is aggregated over all the
-  // upstream endpoints in the locality.
-  uint64 total_issued_requests = 8;
-
-  // Stats for multi-dimensional load balancing.
-  repeated EndpointLoadMetricStats load_metric_stats = 5;
-
-//  // Endpoint granularity stats information for this locality. This information
-//  // is populated if the Server requests it by setting
-//  // :ref:`LoadStatsResponse.report_endpoint_granularity<envoy_api_field_load_stats.LoadStatsResponse.report_endpoint_granularity>`.
-//  repeated UpstreamEndpointStats upstream_endpoint_stats = 7;
-
-  // [#not-implemented-hide:] The priority of the endpoint group these metrics
-  // were collected from.
-  uint32 priority = 6;
-}
-
-// Per cluster load stats. Envoy reports these stats a management server in a
-// :ref:`LoadStatsRequest<envoy_api_msg_load_stats.LoadStatsRequest>`
-// [#not-implemented-hide:] Not configuration. TBD how to doc proto APIs.
-// Next ID: 7
-message ClusterStats {
-  // The name of the cluster.
-  string cluster_name = 1;
-
-  // The eds_cluster_config service_name of the cluster.
-  // It's possible that two clusters send the same service_name to EDS,
-  // in that case, the management server is supposed to do aggregation on the load reports.
-  string cluster_service_name = 6;
-
-  // Need at least one.
-  repeated UpstreamLocalityStats upstream_locality_stats = 2;
-
-  // Cluster-level stats such as total_successful_requests may be computed by
-  // summing upstream_locality_stats. In addition, below there are additional
-  // cluster-wide stats.
-  //
-  // The total number of dropped requests. This covers requests
-  // deliberately dropped by the drop_overload policy and circuit breaking.
-  uint64 total_dropped_requests = 3;
-
-  message DroppedRequests {
-    // Identifier for the policy specifying the drop.
-    string category = 1;
-    // Total number of deliberately dropped requests for the category.
-    uint64 dropped_count = 2;
-  }
-  // Information about deliberately dropped requests for each category specified
-  // in the DropOverload policy.
-  repeated DroppedRequests dropped_requests = 5;
-
-  // Period over which the actual load report occurred. This will be guaranteed to include every
-  // request reported. Due to system load and delays between the *LoadStatsRequest* sent from Envoy
-  // and the *LoadStatsResponse* message sent from the management server, this may be longer than
-  // the requested load reporting interval in the *LoadStatsResponse*.
-  google.protobuf.Duration load_report_interval = 4;
-}
-
-// [#protodoc-title: Load reporting service]
-
-service LoadReportingService {
-  // Advanced API to allow for multi-dimensional load balancing by remote
-  // server. For receiving LB assignments, the steps are:
-  // 1, The management server is configured with per cluster/zone/load metric
-  //    capacity configuration. The capacity configuration definition is
-  //    outside of the scope of this document.
-  // 2. Envoy issues a standard {Stream,Fetch}Endpoints request for the clusters
-  //    to balance.
-  //
-  // Independently, Envoy will initiate a StreamLoadStats bidi stream with a
-  // management server:
-  // 1. Once a connection establishes, the management server publishes a
-  //    LoadStatsResponse for all clusters it is interested in learning load
-  //    stats about.
-  // 2. For each cluster, Envoy load balances incoming traffic to upstream hosts
-  //    based on per-zone weights and/or per-instance weights (if specified)
-  //    based on intra-zone LbPolicy. This information comes from the above
-  //    {Stream,Fetch}Endpoints.
-  // 3. When upstream hosts reply, they optionally add header <define header
-  //    name> with ASCII representation of EndpointLoadMetricStats.
-  // 4. Envoy aggregates load reports over the period of time given to it in
-  //    LoadStatsResponse.load_reporting_interval. This includes aggregation
-  //    stats Envoy maintains by itself (total_requests, rpc_errors etc.) as
-  //    well as load metrics from upstream hosts.
-  // 5. When the timer of load_reporting_interval expires, Envoy sends new
-  //    LoadStatsRequest filled with load reports for each cluster.
-  // 6. The management server uses the load reports from all reported Envoys
-  //    from around the world, computes global assignment and prepares traffic
-  //    assignment destined for each zone Envoys are located in. Goto 2.
-  rpc StreamLoadStats(stream LoadStatsRequest) returns (stream LoadStatsResponse) {
-  }
-}
-
-// A load report Envoy sends to the management server.
-// [#not-implemented-hide:] Not configuration. TBD how to doc proto APIs.
-message LoadStatsRequest {
-  // Node identifier for Envoy instance.
-  envoy.api.v2.Node node = 1;
-
-  // A list of load stats to report.
-  repeated ClusterStats cluster_stats = 2;
-}
-
-// The management server sends envoy a LoadStatsResponse with all clusters it
-// is interested in learning load stats about.
-// [#not-implemented-hide:] Not configuration. TBD how to doc proto APIs.
-message LoadStatsResponse {
-  // Clusters to report stats for.
-  // Not populated if *send_all_clusters* is true.
-  repeated string clusters = 1;
-
-  // If true, the client should send all clusters it knows about.
-  // Only clients that advertise the "envoy.lrs.supports_send_all_clusters" capability in their
-  // :ref:`client_features<envoy_api_field_core.Node.client_features>` field will honor this field.
-  bool send_all_clusters = 4;
-
-  // The minimum interval of time to collect stats over. This is only a minimum for two reasons:
-  // 1. There may be some delay from when the timer fires until stats sampling occurs.
-  // 2. For clusters that were already feature in the previous *LoadStatsResponse*, any traffic
-  //    that is observed in between the corresponding previous *LoadStatsRequest* and this
-  //    *LoadStatsResponse* will also be accumulated and billed to the cluster. This avoids a period
-  //    of inobservability that might otherwise exists between the messages. New clusters are not
-  //    subject to this consideration.
-  google.protobuf.Duration load_reporting_interval = 2;
-
-  // Set to *true* if the management server supports endpoint granularity
-  // report.
-  bool report_endpoint_granularity = 3;
-}
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/xds/ya.make b/contrib/libs/grpc/src/proto/grpc/testing/xds/ya.make
deleted file mode 100644
index 54f67904dbb..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/xds/ya.make
+++ /dev/null
@@ -1,32 +0,0 @@
-PROTO_LIBRARY()
-
-LICENSE(Apache-2.0)
-
-LICENSE_TEXTS(.yandex_meta/licenses.list.txt)
-
-EXCLUDE_TAGS(
-    GO_PROTO
-    PY_PROTO
-    PY3_PROTO
-)
-
-PROTO_NAMESPACE(
-    GLOBAL
-    contrib/libs/grpc
-)
-
-PEERDIR(
-    contrib/libs/grpc/src/proto/grpc/testing
-)
-
-GRPC()
-
-SRCS(
-    ads_for_test.proto
-    cds_for_test.proto
-    eds_for_test.proto
-    lds_rds_for_test.proto
-    lrs_for_test.proto
-)
-
-END()
diff --git a/contrib/libs/grpc/src/proto/grpc/testing/ya.make b/contrib/libs/grpc/src/proto/grpc/testing/ya.make
deleted file mode 100644
index 4c140e6e263..00000000000
--- a/contrib/libs/grpc/src/proto/grpc/testing/ya.make
+++ /dev/null
@@ -1,43 +0,0 @@
-PROTO_LIBRARY()
-
-LICENSE(Apache-2.0)
-
-LICENSE_TEXTS(.yandex_meta/licenses.list.txt)
-
-EXCLUDE_TAGS(
-    GO_PROTO
-    PY_PROTO
-    PY3_PROTO
-)
-
-PROTO_NAMESPACE(
-    GLOBAL
-    contrib/libs/grpc
-)
-
-PEERDIR(
-    contrib/libs/grpc/src/proto/grpc/core
-)
-
-GRPC()
-
-SRCS(
-    benchmark_service.proto
-    compiler_test.proto
-    control.proto
-    echo.proto
-    echo_messages.proto
-    empty.proto
-    empty_service.proto
-    messages.proto
-    metrics.proto
-    payloads.proto
-    proxy-service.proto
-    report_qps_scenario_service.proto
-    simple_messages.proto
-    stats.proto
-    test.proto
-    worker_service.proto
-)
-
-END()
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/__init__.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/__init__.py
deleted file mode 100644
index 5fb4f3c3cfd..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/__init__.py
+++ /dev/null
@@ -1,13 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_abort_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_abort_test.py
deleted file mode 100644
index 84604726c99..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_abort_test.py
+++ /dev/null
@@ -1,154 +0,0 @@
-# Copyright 2018 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests server context abort mechanism"""
-
-import collections
-import gc
-import logging
-import unittest
-import weakref
-
-import grpc
-
-from tests.unit import test_common
-from tests.unit.framework.common import test_constants
-
-_ABORT = '/test/abort'
-_ABORT_WITH_STATUS = '/test/AbortWithStatus'
-_INVALID_CODE = '/test/InvalidCode'
-
-_REQUEST = b'\x00\x00\x00'
-_RESPONSE = b'\x00\x00\x00'
-
-_ABORT_DETAILS = 'Abandon ship!'
-_ABORT_METADATA = (('a-trailing-metadata', '42'),)
-
-
-class _Status(
-        collections.namedtuple('_Status',
-                               ('code', 'details', 'trailing_metadata')),
-        grpc.Status):
-    pass
-
-
-class _Object(object):
-    pass
-
-
-do_not_leak_me = _Object()
-
-
-def abort_unary_unary(request, servicer_context):
-    this_should_not_be_leaked = do_not_leak_me
-    servicer_context.abort(
-        grpc.StatusCode.INTERNAL,
-        _ABORT_DETAILS,
-    )
-    raise Exception('This line should not be executed!')
-
-
-def abort_with_status_unary_unary(request, servicer_context):
-    servicer_context.abort_with_status(
-        _Status(
-            code=grpc.StatusCode.INTERNAL,
-            details=_ABORT_DETAILS,
-            trailing_metadata=_ABORT_METADATA,
-        ))
-    raise Exception('This line should not be executed!')
-
-
-def invalid_code_unary_unary(request, servicer_context):
-    servicer_context.abort(
-        42,
-        _ABORT_DETAILS,
-    )
-
-
-class _GenericHandler(grpc.GenericRpcHandler):
-
-    def service(self, handler_call_details):
-        if handler_call_details.method == _ABORT:
-            return grpc.unary_unary_rpc_method_handler(abort_unary_unary)
-        elif handler_call_details.method == _ABORT_WITH_STATUS:
-            return grpc.unary_unary_rpc_method_handler(
-                abort_with_status_unary_unary)
-        elif handler_call_details.method == _INVALID_CODE:
-            return grpc.stream_stream_rpc_method_handler(
-                invalid_code_unary_unary)
-        else:
-            return None
-
-
-class AbortTest(unittest.TestCase):
-
-    def setUp(self):
-        self._server = test_common.test_server()
-        port = self._server.add_insecure_port('[::]:0')
-        self._server.add_generic_rpc_handlers((_GenericHandler(),))
-        self._server.start()
-
-        self._channel = grpc.insecure_channel('localhost:%d' % port)
-
-    def tearDown(self):
-        self._channel.close()
-        self._server.stop(0)
-
-    def test_abort(self):
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            self._channel.unary_unary(_ABORT)(_REQUEST)
-        rpc_error = exception_context.exception
-
-        self.assertEqual(rpc_error.code(), grpc.StatusCode.INTERNAL)
-        self.assertEqual(rpc_error.details(), _ABORT_DETAILS)
-
-    # This test ensures that abort() does not store the raised exception, which
-    # on Python 3 (via the `__traceback__` attribute) holds a reference to
-    # all local vars. Storing the raised exception can prevent GC and stop the
-    # grpc_call from being unref'ed, even after server shutdown.
-    @unittest.skip("https://github.com/grpc/grpc/issues/17927")
-    def test_abort_does_not_leak_local_vars(self):
-        global do_not_leak_me  # pylint: disable=global-statement
-        weak_ref = weakref.ref(do_not_leak_me)
-
-        # Servicer will abort() after creating a local ref to do_not_leak_me.
-        with self.assertRaises(grpc.RpcError):
-            self._channel.unary_unary(_ABORT)(_REQUEST)
-
-        # Server may still have a stack frame reference to the exception even
-        # after client sees error, so ensure server has shutdown.
-        self._server.stop(None)
-        do_not_leak_me = None
-        self.assertIsNone(weak_ref())
-
-    def test_abort_with_status(self):
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            self._channel.unary_unary(_ABORT_WITH_STATUS)(_REQUEST)
-        rpc_error = exception_context.exception
-
-        self.assertEqual(rpc_error.code(), grpc.StatusCode.INTERNAL)
-        self.assertEqual(rpc_error.details(), _ABORT_DETAILS)
-        self.assertEqual(rpc_error.trailing_metadata(), _ABORT_METADATA)
-
-    def test_invalid_code(self):
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            self._channel.unary_unary(_INVALID_CODE)(_REQUEST)
-        rpc_error = exception_context.exception
-
-        self.assertEqual(rpc_error.code(), grpc.StatusCode.UNKNOWN)
-        self.assertEqual(rpc_error.details(), _ABORT_DETAILS)
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_api_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_api_test.py
deleted file mode 100644
index c536328142d..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_api_test.py
+++ /dev/null
@@ -1,121 +0,0 @@
-# Copyright 2016 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Test of gRPC Python's application-layer API."""
-
-import logging
-import unittest
-
-import grpc
-import six
-
-from tests.unit import _from_grpc_import_star
-
-
-class AllTest(unittest.TestCase):
-
-    def testAll(self):
-        expected_grpc_code_elements = (
-            'FutureTimeoutError',
-            'FutureCancelledError',
-            'Future',
-            'ChannelConnectivity',
-            'Compression',
-            'StatusCode',
-            'Status',
-            'RpcError',
-            'RpcContext',
-            'Call',
-            'ChannelCredentials',
-            'CallCredentials',
-            'AuthMetadataContext',
-            'AuthMetadataPluginCallback',
-            'AuthMetadataPlugin',
-            'ServerCertificateConfiguration',
-            'ServerCredentials',
-            'UnaryUnaryMultiCallable',
-            'UnaryStreamMultiCallable',
-            'StreamUnaryMultiCallable',
-            'StreamStreamMultiCallable',
-            'UnaryUnaryClientInterceptor',
-            'UnaryStreamClientInterceptor',
-            'StreamUnaryClientInterceptor',
-            'StreamStreamClientInterceptor',
-            'Channel',
-            'ServicerContext',
-            'RpcMethodHandler',
-            'HandlerCallDetails',
-            'GenericRpcHandler',
-            'ServiceRpcHandler',
-            'Server',
-            'ServerInterceptor',
-            'LocalConnectionType',
-            'local_channel_credentials',
-            'local_server_credentials',
-            'alts_channel_credentials',
-            'alts_server_credentials',
-            'unary_unary_rpc_method_handler',
-            'unary_stream_rpc_method_handler',
-            'stream_unary_rpc_method_handler',
-            'ClientCallDetails',
-            'stream_stream_rpc_method_handler',
-            'method_handlers_generic_handler',
-            'ssl_channel_credentials',
-            'metadata_call_credentials',
-            'access_token_call_credentials',
-            'composite_call_credentials',
-            'composite_channel_credentials',
-            'compute_engine_channel_credentials',
-            'ssl_server_credentials',
-            'ssl_server_certificate_configuration',
-            'dynamic_ssl_server_credentials',
-            'channel_ready_future',
-            'insecure_channel',
-            'secure_channel',
-            'intercept_channel',
-            'server',
-            'protos',
-            'services',
-            'protos_and_services',
-            'xds_channel_credentials',
-            'xds_server_credentials',
-            'insecure_server_credentials',
-        )
-
-        six.assertCountEqual(self, expected_grpc_code_elements,
-                             _from_grpc_import_star.GRPC_ELEMENTS)
-
-
-class ChannelConnectivityTest(unittest.TestCase):
-
-    def testChannelConnectivity(self):
-        self.assertSequenceEqual((
-            grpc.ChannelConnectivity.IDLE,
-            grpc.ChannelConnectivity.CONNECTING,
-            grpc.ChannelConnectivity.READY,
-            grpc.ChannelConnectivity.TRANSIENT_FAILURE,
-            grpc.ChannelConnectivity.SHUTDOWN,
-        ), tuple(grpc.ChannelConnectivity))
-
-
-class ChannelTest(unittest.TestCase):
-
-    def test_secure_channel(self):
-        channel_credentials = grpc.ssl_channel_credentials()
-        channel = grpc.secure_channel('google.com:443', channel_credentials)
-        channel.close()
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_auth_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_auth_test.py
deleted file mode 100644
index 345239e0b87..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_auth_test.py
+++ /dev/null
@@ -1,82 +0,0 @@
-# Copyright 2016 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests of standard AuthMetadataPlugins."""
-
-import collections
-import logging
-import threading
-import unittest
-
-from grpc import _auth
-
-
-class MockGoogleCreds(object):
-
-    def get_access_token(self):
-        token = collections.namedtuple('MockAccessTokenInfo',
-                                       ('access_token', 'expires_in'))
-        token.access_token = 'token'
-        return token
-
-
-class MockExceptionGoogleCreds(object):
-
-    def get_access_token(self):
-        raise Exception()
-
-
-class GoogleCallCredentialsTest(unittest.TestCase):
-
-    def test_google_call_credentials_success(self):
-        callback_event = threading.Event()
-
-        def mock_callback(metadata, error):
-            self.assertEqual(metadata, (('authorization', 'Bearer token'),))
-            self.assertIsNone(error)
-            callback_event.set()
-
-        call_creds = _auth.GoogleCallCredentials(MockGoogleCreds())
-        call_creds(None, mock_callback)
-        self.assertTrue(callback_event.wait(1.0))
-
-    def test_google_call_credentials_error(self):
-        callback_event = threading.Event()
-
-        def mock_callback(metadata, error):
-            self.assertIsNotNone(error)
-            callback_event.set()
-
-        call_creds = _auth.GoogleCallCredentials(MockExceptionGoogleCreds())
-        call_creds(None, mock_callback)
-        self.assertTrue(callback_event.wait(1.0))
-
-
-class AccessTokenAuthMetadataPluginTest(unittest.TestCase):
-
-    def test_google_call_credentials_success(self):
-        callback_event = threading.Event()
-
-        def mock_callback(metadata, error):
-            self.assertEqual(metadata, (('authorization', 'Bearer token'),))
-            self.assertIsNone(error)
-            callback_event.set()
-
-        metadata_plugin = _auth.AccessTokenAuthMetadataPlugin('token')
-        metadata_plugin(None, mock_callback)
-        self.assertTrue(callback_event.wait(1.0))
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_channel_args_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_channel_args_test.py
deleted file mode 100644
index d71906f6f41..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_channel_args_test.py
+++ /dev/null
@@ -1,65 +0,0 @@
-# Copyright 2016 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests of channel arguments on client/server side."""
-
-from concurrent import futures
-import logging
-import unittest
-
-import grpc
-
-
-class TestPointerWrapper(object):
-
-    def __int__(self):
-        return 123456
-
-
-TEST_CHANNEL_ARGS = (
-    ('arg1', b'bytes_val'),
-    ('arg2', 'str_val'),
-    ('arg3', 1),
-    (b'arg4', 'str_val'),
-    ('arg6', TestPointerWrapper()),
-)
-
-INVALID_TEST_CHANNEL_ARGS = [
-    {
-        'foo': 'bar'
-    },
-    (('key',),),
-    'str',
-]
-
-
-class ChannelArgsTest(unittest.TestCase):
-
-    def test_client(self):
-        grpc.insecure_channel('localhost:8080', options=TEST_CHANNEL_ARGS)
-
-    def test_server(self):
-        grpc.server(futures.ThreadPoolExecutor(max_workers=1),
-                    options=TEST_CHANNEL_ARGS)
-
-    def test_invalid_client_args(self):
-        for invalid_arg in INVALID_TEST_CHANNEL_ARGS:
-            self.assertRaises(ValueError,
-                              grpc.insecure_channel,
-                              'localhost:8080',
-                              options=invalid_arg)
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_channel_close_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_channel_close_test.py
deleted file mode 100644
index 47f52b4890e..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_channel_close_test.py
+++ /dev/null
@@ -1,220 +0,0 @@
-# Copyright 2018 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests server and client side compression."""
-
-import itertools
-import logging
-import threading
-import time
-import unittest
-
-import grpc
-
-from tests.unit import test_common
-from tests.unit.framework.common import test_constants
-
-_BEAT = 0.5
-_SOME_TIME = 5
-_MORE_TIME = 10
-
-_STREAM_URI = 'Meffod'
-_UNARY_URI = 'MeffodMan'
-
-
-class _StreamingMethodHandler(grpc.RpcMethodHandler):
-
-    request_streaming = True
-    response_streaming = True
-    request_deserializer = None
-    response_serializer = None
-
-    def stream_stream(self, request_iterator, servicer_context):
-        for request in request_iterator:
-            yield request * 2
-
-
-class _UnaryMethodHandler(grpc.RpcMethodHandler):
-
-    request_streaming = False
-    response_streaming = False
-    request_deserializer = None
-    response_serializer = None
-
-    def unary_unary(self, request, servicer_context):
-        return request * 2
-
-
-_STREAMING_METHOD_HANDLER = _StreamingMethodHandler()
-_UNARY_METHOD_HANDLER = _UnaryMethodHandler()
-
-
-class _GenericHandler(grpc.GenericRpcHandler):
-
-    def service(self, handler_call_details):
-        if handler_call_details.method == _STREAM_URI:
-            return _STREAMING_METHOD_HANDLER
-        else:
-            return _UNARY_METHOD_HANDLER
-
-
-_GENERIC_HANDLER = _GenericHandler()
-
-
-class _Pipe(object):
-
-    def __init__(self, values):
-        self._condition = threading.Condition()
-        self._values = list(values)
-        self._open = True
-
-    def __iter__(self):
-        return self
-
-    def _next(self):
-        with self._condition:
-            while not self._values and self._open:
-                self._condition.wait()
-            if self._values:
-                return self._values.pop(0)
-            else:
-                raise StopIteration()
-
-    def next(self):
-        return self._next()
-
-    def __next__(self):
-        return self._next()
-
-    def add(self, value):
-        with self._condition:
-            self._values.append(value)
-            self._condition.notify()
-
-    def close(self):
-        with self._condition:
-            self._open = False
-            self._condition.notify()
-
-    def __enter__(self):
-        return self
-
-    def __exit__(self, type, value, traceback):
-        self.close()
-
-
-class ChannelCloseTest(unittest.TestCase):
-
-    def setUp(self):
-        self._server = test_common.test_server(
-            max_workers=test_constants.THREAD_CONCURRENCY)
-        self._server.add_generic_rpc_handlers((_GENERIC_HANDLER,))
-        self._port = self._server.add_insecure_port('[::]:0')
-        self._server.start()
-
-    def tearDown(self):
-        self._server.stop(None)
-
-    def test_close_immediately_after_call_invocation(self):
-        channel = grpc.insecure_channel('localhost:{}'.format(self._port))
-        multi_callable = channel.stream_stream(_STREAM_URI)
-        request_iterator = _Pipe(())
-        response_iterator = multi_callable(request_iterator)
-        channel.close()
-        request_iterator.close()
-
-        self.assertIs(response_iterator.code(), grpc.StatusCode.CANCELLED)
-
-    def test_close_while_call_active(self):
-        channel = grpc.insecure_channel('localhost:{}'.format(self._port))
-        multi_callable = channel.stream_stream(_STREAM_URI)
-        request_iterator = _Pipe((b'abc',))
-        response_iterator = multi_callable(request_iterator)
-        next(response_iterator)
-        channel.close()
-        request_iterator.close()
-
-        self.assertIs(response_iterator.code(), grpc.StatusCode.CANCELLED)
-
-    def test_context_manager_close_while_call_active(self):
-        with grpc.insecure_channel('localhost:{}'.format(
-                self._port)) as channel:  # pylint: disable=bad-continuation
-            multi_callable = channel.stream_stream(_STREAM_URI)
-            request_iterator = _Pipe((b'abc',))
-            response_iterator = multi_callable(request_iterator)
-            next(response_iterator)
-        request_iterator.close()
-
-        self.assertIs(response_iterator.code(), grpc.StatusCode.CANCELLED)
-
-    def test_context_manager_close_while_many_calls_active(self):
-        with grpc.insecure_channel('localhost:{}'.format(
-                self._port)) as channel:  # pylint: disable=bad-continuation
-            multi_callable = channel.stream_stream(_STREAM_URI)
-            request_iterators = tuple(
-                _Pipe((b'abc',))
-                for _ in range(test_constants.THREAD_CONCURRENCY))
-            response_iterators = []
-            for request_iterator in request_iterators:
-                response_iterator = multi_callable(request_iterator)
-                next(response_iterator)
-                response_iterators.append(response_iterator)
-        for request_iterator in request_iterators:
-            request_iterator.close()
-
-        for response_iterator in response_iterators:
-            self.assertIs(response_iterator.code(), grpc.StatusCode.CANCELLED)
-
-    def test_many_concurrent_closes(self):
-        channel = grpc.insecure_channel('localhost:{}'.format(self._port))
-        multi_callable = channel.stream_stream(_STREAM_URI)
-        request_iterator = _Pipe((b'abc',))
-        response_iterator = multi_callable(request_iterator)
-        next(response_iterator)
-        start = time.time()
-        end = start + _MORE_TIME
-
-        def sleep_some_time_then_close():
-            time.sleep(_SOME_TIME)
-            channel.close()
-
-        for _ in range(test_constants.THREAD_CONCURRENCY):
-            close_thread = threading.Thread(target=sleep_some_time_then_close)
-            close_thread.start()
-        while True:
-            request_iterator.add(b'def')
-            time.sleep(_BEAT)
-            if end < time.time():
-                break
-        request_iterator.close()
-
-        self.assertIs(response_iterator.code(), grpc.StatusCode.CANCELLED)
-
-    def test_exception_in_callback(self):
-        with grpc.insecure_channel('localhost:{}'.format(
-                self._port)) as channel:
-            stream_multi_callable = channel.stream_stream(_STREAM_URI)
-            endless_iterator = itertools.repeat(b'abc')
-            stream_response_iterator = stream_multi_callable(endless_iterator)
-            future = channel.unary_unary(_UNARY_URI).future(b'abc')
-
-            def on_done_callback(future):
-                raise Exception("This should not cause a deadlock.")
-
-            future.add_done_callback(on_done_callback)
-            future.result()
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_channel_connectivity_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_channel_connectivity_test.py
deleted file mode 100644
index 912d8290a4c..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_channel_connectivity_test.py
+++ /dev/null
@@ -1,156 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests of grpc._channel.Channel connectivity."""
-
-import logging
-import threading
-import time
-import unittest
-
-import grpc
-
-from tests.unit import thread_pool
-from tests.unit.framework.common import test_constants
-
-
-def _ready_in_connectivities(connectivities):
-    return grpc.ChannelConnectivity.READY in connectivities
-
-
-def _last_connectivity_is_not_ready(connectivities):
-    return connectivities[-1] is not grpc.ChannelConnectivity.READY
-
-
-class _Callback(object):
-
-    def __init__(self):
-        self._condition = threading.Condition()
-        self._connectivities = []
-
-    def update(self, connectivity):
-        with self._condition:
-            self._connectivities.append(connectivity)
-            self._condition.notify()
-
-    def connectivities(self):
-        with self._condition:
-            return tuple(self._connectivities)
-
-    def block_until_connectivities_satisfy(self, predicate):
-        with self._condition:
-            while True:
-                connectivities = tuple(self._connectivities)
-                if predicate(connectivities):
-                    return connectivities
-                else:
-                    self._condition.wait()
-
-
-class ChannelConnectivityTest(unittest.TestCase):
-
-    def test_lonely_channel_connectivity(self):
-        callback = _Callback()
-
-        channel = grpc.insecure_channel('localhost:12345')
-        channel.subscribe(callback.update, try_to_connect=False)
-        first_connectivities = callback.block_until_connectivities_satisfy(bool)
-        channel.subscribe(callback.update, try_to_connect=True)
-        second_connectivities = callback.block_until_connectivities_satisfy(
-            lambda connectivities: 2 <= len(connectivities))
-        # Wait for a connection that will never happen.
-        time.sleep(test_constants.SHORT_TIMEOUT)
-        third_connectivities = callback.connectivities()
-        channel.unsubscribe(callback.update)
-        fourth_connectivities = callback.connectivities()
-        channel.unsubscribe(callback.update)
-        fifth_connectivities = callback.connectivities()
-
-        channel.close()
-
-        self.assertSequenceEqual((grpc.ChannelConnectivity.IDLE,),
-                                 first_connectivities)
-        self.assertNotIn(grpc.ChannelConnectivity.READY, second_connectivities)
-        self.assertNotIn(grpc.ChannelConnectivity.READY, third_connectivities)
-        self.assertNotIn(grpc.ChannelConnectivity.READY, fourth_connectivities)
-        self.assertNotIn(grpc.ChannelConnectivity.READY, fifth_connectivities)
-
-    def test_immediately_connectable_channel_connectivity(self):
-        recording_thread_pool = thread_pool.RecordingThreadPool(
-            max_workers=None)
-        server = grpc.server(recording_thread_pool,
-                             options=(('grpc.so_reuseport', 0),))
-        port = server.add_insecure_port('[::]:0')
-        server.start()
-        first_callback = _Callback()
-        second_callback = _Callback()
-
-        channel = grpc.insecure_channel('localhost:{}'.format(port))
-        channel.subscribe(first_callback.update, try_to_connect=False)
-        first_connectivities = first_callback.block_until_connectivities_satisfy(
-            bool)
-        # Wait for a connection that will never happen because try_to_connect=True
-        # has not yet been passed.
-        time.sleep(test_constants.SHORT_TIMEOUT)
-        second_connectivities = first_callback.connectivities()
-        channel.subscribe(second_callback.update, try_to_connect=True)
-        third_connectivities = first_callback.block_until_connectivities_satisfy(
-            lambda connectivities: 2 <= len(connectivities))
-        fourth_connectivities = second_callback.block_until_connectivities_satisfy(
-            bool)
-        # Wait for a connection that will happen (or may already have happened).
-        first_callback.block_until_connectivities_satisfy(
-            _ready_in_connectivities)
-        second_callback.block_until_connectivities_satisfy(
-            _ready_in_connectivities)
-        channel.close()
-        server.stop(None)
-
-        self.assertSequenceEqual((grpc.ChannelConnectivity.IDLE,),
-                                 first_connectivities)
-        self.assertSequenceEqual((grpc.ChannelConnectivity.IDLE,),
-                                 second_connectivities)
-        self.assertNotIn(grpc.ChannelConnectivity.TRANSIENT_FAILURE,
-                         third_connectivities)
-        self.assertNotIn(grpc.ChannelConnectivity.SHUTDOWN,
-                         third_connectivities)
-        self.assertNotIn(grpc.ChannelConnectivity.TRANSIENT_FAILURE,
-                         fourth_connectivities)
-        self.assertNotIn(grpc.ChannelConnectivity.SHUTDOWN,
-                         fourth_connectivities)
-        self.assertFalse(recording_thread_pool.was_used())
-
-    def test_reachable_then_unreachable_channel_connectivity(self):
-        recording_thread_pool = thread_pool.RecordingThreadPool(
-            max_workers=None)
-        server = grpc.server(recording_thread_pool,
-                             options=(('grpc.so_reuseport', 0),))
-        port = server.add_insecure_port('[::]:0')
-        server.start()
-        callback = _Callback()
-
-        channel = grpc.insecure_channel('localhost:{}'.format(port))
-        channel.subscribe(callback.update, try_to_connect=True)
-        callback.block_until_connectivities_satisfy(_ready_in_connectivities)
-        # Now take down the server and confirm that channel readiness is repudiated.
-        server.stop(None)
-        callback.block_until_connectivities_satisfy(
-            _last_connectivity_is_not_ready)
-        channel.unsubscribe(callback.update)
-        channel.close()
-        self.assertFalse(recording_thread_pool.was_used())
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_channel_ready_future_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_channel_ready_future_test.py
deleted file mode 100644
index 84a6f9196b3..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_channel_ready_future_test.py
+++ /dev/null
@@ -1,98 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests of grpc.channel_ready_future."""
-
-import logging
-import threading
-import unittest
-
-import grpc
-
-from tests.unit import thread_pool
-from tests.unit.framework.common import test_constants
-
-
-class _Callback(object):
-
-    def __init__(self):
-        self._condition = threading.Condition()
-        self._value = None
-
-    def accept_value(self, value):
-        with self._condition:
-            self._value = value
-            self._condition.notify_all()
-
-    def block_until_called(self):
-        with self._condition:
-            while self._value is None:
-                self._condition.wait()
-            return self._value
-
-
-class ChannelReadyFutureTest(unittest.TestCase):
-
-    def test_lonely_channel_connectivity(self):
-        channel = grpc.insecure_channel('localhost:12345')
-        callback = _Callback()
-
-        ready_future = grpc.channel_ready_future(channel)
-        ready_future.add_done_callback(callback.accept_value)
-        with self.assertRaises(grpc.FutureTimeoutError):
-            ready_future.result(timeout=test_constants.SHORT_TIMEOUT)
-        self.assertFalse(ready_future.cancelled())
-        self.assertFalse(ready_future.done())
-        self.assertTrue(ready_future.running())
-        ready_future.cancel()
-        value_passed_to_callback = callback.block_until_called()
-        self.assertIs(ready_future, value_passed_to_callback)
-        self.assertTrue(ready_future.cancelled())
-        self.assertTrue(ready_future.done())
-        self.assertFalse(ready_future.running())
-
-        channel.close()
-
-    def test_immediately_connectable_channel_connectivity(self):
-        recording_thread_pool = thread_pool.RecordingThreadPool(
-            max_workers=None)
-        server = grpc.server(recording_thread_pool,
-                             options=(('grpc.so_reuseport', 0),))
-        port = server.add_insecure_port('[::]:0')
-        server.start()
-        channel = grpc.insecure_channel('localhost:{}'.format(port))
-        callback = _Callback()
-
-        ready_future = grpc.channel_ready_future(channel)
-        ready_future.add_done_callback(callback.accept_value)
-        self.assertIsNone(
-            ready_future.result(timeout=test_constants.LONG_TIMEOUT))
-        value_passed_to_callback = callback.block_until_called()
-        self.assertIs(ready_future, value_passed_to_callback)
-        self.assertFalse(ready_future.cancelled())
-        self.assertTrue(ready_future.done())
-        self.assertFalse(ready_future.running())
-        # Cancellation after maturity has no effect.
-        ready_future.cancel()
-        self.assertFalse(ready_future.cancelled())
-        self.assertTrue(ready_future.done())
-        self.assertFalse(ready_future.running())
-        self.assertFalse(recording_thread_pool.was_used())
-
-        channel.close()
-        server.stop(None)
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_contextvars_propagation_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_contextvars_propagation_test.py
deleted file mode 100644
index 128ec514d06..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_contextvars_propagation_test.py
+++ /dev/null
@@ -1,163 +0,0 @@
-# Copyright 2020 The gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Test of propagation of contextvars to AuthMetadataPlugin threads.."""
-
-import contextlib
-import logging
-import os
-import sys
-import threading
-import unittest
-
-import grpc
-from six.moves import queue
-
-from tests.unit import test_common
-
-_UNARY_UNARY = "/test/UnaryUnary"
-_REQUEST = b"0000"
-
-
-def _unary_unary_handler(request, context):
-    return request
-
-
-def contextvars_supported():
-    try:
-        import contextvars
-        return True
-    except ImportError:
-        return False
-
-
-class _GenericHandler(grpc.GenericRpcHandler):
-
-    def service(self, handler_call_details):
-        if handler_call_details.method == _UNARY_UNARY:
-            return grpc.unary_unary_rpc_method_handler(_unary_unary_handler)
-        else:
-            raise NotImplementedError()
-
-
-@contextlib.contextmanager
-def _server():
-    try:
-        server = test_common.test_server()
-        target = 'localhost:0'
-        port = server.add_insecure_port(target)
-        server.add_generic_rpc_handlers((_GenericHandler(),))
-        server.start()
-        yield port
-    finally:
-        server.stop(None)
-
-
-if contextvars_supported():
-    import contextvars
-
-    _EXPECTED_VALUE = 24601
-    test_var = contextvars.ContextVar("test_var", default=None)
-
-    def set_up_expected_context():
-        test_var.set(_EXPECTED_VALUE)
-
-    class TestCallCredentials(grpc.AuthMetadataPlugin):
-
-        def __call__(self, context, callback):
-            if test_var.get() != _EXPECTED_VALUE:
-                raise AssertionError("{} != {}".format(test_var.get(),
-                                                       _EXPECTED_VALUE))
-            callback((), None)
-
-        def assert_called(self, test):
-            test.assertTrue(self._invoked)
-            test.assertEqual(_EXPECTED_VALUE, self._recorded_value)
-
-else:
-
-    def set_up_expected_context():
-        pass
-
-    class TestCallCredentials(grpc.AuthMetadataPlugin):
-
-        def __call__(self, context, callback):
-            callback((), None)
-
-
-# TODO(https://github.com/grpc/grpc/issues/22257)
-@unittest.skipIf(os.name == "nt", "LocalCredentials not supported on Windows.")
-@unittest.skipIf(test_common.running_under_gevent(),
-                 "ThreadLocals do not work under gevent.")
-class ContextVarsPropagationTest(unittest.TestCase):
-
-    def test_propagation_to_auth_plugin(self):
-        set_up_expected_context()
-        with _server() as port:
-            target = "localhost:{}".format(port)
-            local_credentials = grpc.local_channel_credentials()
-            test_call_credentials = TestCallCredentials()
-            call_credentials = grpc.metadata_call_credentials(
-                test_call_credentials, "test call credentials")
-            composite_credentials = grpc.composite_channel_credentials(
-                local_credentials, call_credentials)
-            with grpc.secure_channel(target, composite_credentials) as channel:
-                stub = channel.unary_unary(_UNARY_UNARY)
-                response = stub(_REQUEST, wait_for_ready=True)
-                self.assertEqual(_REQUEST, response)
-
-    def test_concurrent_propagation(self):
-        _THREAD_COUNT = 32
-        _RPC_COUNT = 32
-
-        set_up_expected_context()
-        with _server() as port:
-            target = "localhost:{}".format(port)
-            local_credentials = grpc.local_channel_credentials()
-            test_call_credentials = TestCallCredentials()
-            call_credentials = grpc.metadata_call_credentials(
-                test_call_credentials, "test call credentials")
-            composite_credentials = grpc.composite_channel_credentials(
-                local_credentials, call_credentials)
-            wait_group = test_common.WaitGroup(_THREAD_COUNT)
-
-            def _run_on_thread(exception_queue):
-                try:
-                    with grpc.secure_channel(target,
-                                             composite_credentials) as channel:
-                        stub = channel.unary_unary(_UNARY_UNARY)
-                        wait_group.done()
-                        wait_group.wait()
-                        for i in range(_RPC_COUNT):
-                            response = stub(_REQUEST, wait_for_ready=True)
-                            self.assertEqual(_REQUEST, response)
-                except Exception as e:  # pylint: disable=broad-except
-                    exception_queue.put(e)
-
-            threads = []
-            for _ in range(_RPC_COUNT):
-                q = queue.Queue()
-                thread = threading.Thread(target=_run_on_thread, args=(q,))
-                thread.setDaemon(True)
-                thread.start()
-                threads.append((thread, q))
-
-            for thread, q in threads:
-                thread.join()
-                if not q.empty():
-                    raise q.get()
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_credentials_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_credentials_test.py
deleted file mode 100644
index 5b420eb73ae..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_credentials_test.py
+++ /dev/null
@@ -1,70 +0,0 @@
-# Copyright 2016 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests of credentials."""
-
-import logging
-import unittest
-
-import grpc
-import six
-
-
-class CredentialsTest(unittest.TestCase):
-
-    def test_call_credentials_composition(self):
-        first = grpc.access_token_call_credentials('abc')
-        second = grpc.access_token_call_credentials('def')
-        third = grpc.access_token_call_credentials('ghi')
-
-        first_and_second = grpc.composite_call_credentials(first, second)
-        first_second_and_third = grpc.composite_call_credentials(
-            first, second, third)
-
-        self.assertIsInstance(first_and_second, grpc.CallCredentials)
-        self.assertIsInstance(first_second_and_third, grpc.CallCredentials)
-
-    def test_channel_credentials_composition(self):
-        first_call_credentials = grpc.access_token_call_credentials('abc')
-        second_call_credentials = grpc.access_token_call_credentials('def')
-        third_call_credentials = grpc.access_token_call_credentials('ghi')
-        channel_credentials = grpc.ssl_channel_credentials()
-
-        channel_and_first = grpc.composite_channel_credentials(
-            channel_credentials, first_call_credentials)
-        channel_first_and_second = grpc.composite_channel_credentials(
-            channel_credentials, first_call_credentials,
-            second_call_credentials)
-        channel_first_second_and_third = grpc.composite_channel_credentials(
-            channel_credentials, first_call_credentials,
-            second_call_credentials, third_call_credentials)
-
-        self.assertIsInstance(channel_and_first, grpc.ChannelCredentials)
-        self.assertIsInstance(channel_first_and_second, grpc.ChannelCredentials)
-        self.assertIsInstance(channel_first_second_and_third,
-                              grpc.ChannelCredentials)
-
-    @unittest.skipIf(six.PY2, 'only invalid in Python3')
-    def test_invalid_string_certificate(self):
-        self.assertRaises(
-            TypeError,
-            grpc.ssl_channel_credentials,
-            root_certificates='A Certificate',
-            private_key=None,
-            certificate_chain=None,
-        )
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/__init__.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/__init__.py
deleted file mode 100644
index 5fb4f3c3cfd..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/__init__.py
+++ /dev/null
@@ -1,13 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_cancel_many_calls_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_cancel_many_calls_test.py
deleted file mode 100644
index 3ca0d686d61..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_cancel_many_calls_test.py
+++ /dev/null
@@ -1,222 +0,0 @@
-# Copyright 2016 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Test making many calls and immediately cancelling most of them."""
-
-import threading
-import unittest
-
-from grpc._cython import cygrpc
-from grpc.framework.foundation import logging_pool
-
-from tests.unit._cython import test_utilities
-from tests.unit.framework.common import test_constants
-
-_EMPTY_FLAGS = 0
-_EMPTY_METADATA = ()
-
-_SERVER_SHUTDOWN_TAG = 'server_shutdown'
-_REQUEST_CALL_TAG = 'request_call'
-_RECEIVE_CLOSE_ON_SERVER_TAG = 'receive_close_on_server'
-_RECEIVE_MESSAGE_TAG = 'receive_message'
-_SERVER_COMPLETE_CALL_TAG = 'server_complete_call'
-
-_SUCCESS_CALL_FRACTION = 1.0 / 8.0
-_SUCCESSFUL_CALLS = int(test_constants.RPC_CONCURRENCY * _SUCCESS_CALL_FRACTION)
-_UNSUCCESSFUL_CALLS = test_constants.RPC_CONCURRENCY - _SUCCESSFUL_CALLS
-
-
-class _State(object):
-
-    def __init__(self):
-        self.condition = threading.Condition()
-        self.handlers_released = False
-        self.parked_handlers = 0
-        self.handled_rpcs = 0
-
-
-def _is_cancellation_event(event):
-    return (event.tag is _RECEIVE_CLOSE_ON_SERVER_TAG and
-            event.batch_operations[0].cancelled())
-
-
-class _Handler(object):
-
-    def __init__(self, state, completion_queue, rpc_event):
-        self._state = state
-        self._lock = threading.Lock()
-        self._completion_queue = completion_queue
-        self._call = rpc_event.call
-
-    def __call__(self):
-        with self._state.condition:
-            self._state.parked_handlers += 1
-            if self._state.parked_handlers == test_constants.THREAD_CONCURRENCY:
-                self._state.condition.notify_all()
-            while not self._state.handlers_released:
-                self._state.condition.wait()
-
-        with self._lock:
-            self._call.start_server_batch(
-                (cygrpc.ReceiveCloseOnServerOperation(_EMPTY_FLAGS),),
-                _RECEIVE_CLOSE_ON_SERVER_TAG)
-            self._call.start_server_batch(
-                (cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),),
-                _RECEIVE_MESSAGE_TAG)
-        first_event = self._completion_queue.poll()
-        if _is_cancellation_event(first_event):
-            self._completion_queue.poll()
-        else:
-            with self._lock:
-                operations = (
-                    cygrpc.SendInitialMetadataOperation(_EMPTY_METADATA,
-                                                        _EMPTY_FLAGS),
-                    cygrpc.SendMessageOperation(b'\x79\x57', _EMPTY_FLAGS),
-                    cygrpc.SendStatusFromServerOperation(
-                        _EMPTY_METADATA, cygrpc.StatusCode.ok, b'test details!',
-                        _EMPTY_FLAGS),
-                )
-                self._call.start_server_batch(operations,
-                                              _SERVER_COMPLETE_CALL_TAG)
-            self._completion_queue.poll()
-            self._completion_queue.poll()
-
-
-def _serve(state, server, server_completion_queue, thread_pool):
-    for _ in range(test_constants.RPC_CONCURRENCY):
-        call_completion_queue = cygrpc.CompletionQueue()
-        server.request_call(call_completion_queue, server_completion_queue,
-                            _REQUEST_CALL_TAG)
-        rpc_event = server_completion_queue.poll()
-        thread_pool.submit(_Handler(state, call_completion_queue, rpc_event))
-        with state.condition:
-            state.handled_rpcs += 1
-            if test_constants.RPC_CONCURRENCY <= state.handled_rpcs:
-                state.condition.notify_all()
-    server_completion_queue.poll()
-
-
-class _QueueDriver(object):
-
-    def __init__(self, condition, completion_queue, due):
-        self._condition = condition
-        self._completion_queue = completion_queue
-        self._due = due
-        self._events = []
-        self._returned = False
-
-    def start(self):
-
-        def in_thread():
-            while True:
-                event = self._completion_queue.poll()
-                with self._condition:
-                    self._events.append(event)
-                    self._due.remove(event.tag)
-                    self._condition.notify_all()
-                    if not self._due:
-                        self._returned = True
-                        return
-
-        thread = threading.Thread(target=in_thread)
-        thread.start()
-
-    def events(self, at_least):
-        with self._condition:
-            while len(self._events) < at_least:
-                self._condition.wait()
-            return tuple(self._events)
-
-
-class CancelManyCallsTest(unittest.TestCase):
-
-    def testCancelManyCalls(self):
-        server_thread_pool = logging_pool.pool(
-            test_constants.THREAD_CONCURRENCY)
-
-        server_completion_queue = cygrpc.CompletionQueue()
-        server = cygrpc.Server([(
-            b'grpc.so_reuseport',
-            0,
-        )], False)
-        server.register_completion_queue(server_completion_queue)
-        port = server.add_http2_port(b'[::]:0')
-        server.start()
-        channel = cygrpc.Channel('localhost:{}'.format(port).encode(), None,
-                                 None)
-
-        state = _State()
-
-        server_thread_args = (
-            state,
-            server,
-            server_completion_queue,
-            server_thread_pool,
-        )
-        server_thread = threading.Thread(target=_serve, args=server_thread_args)
-        server_thread.start()
-
-        client_condition = threading.Condition()
-        client_due = set()
-
-        with client_condition:
-            client_calls = []
-            for index in range(test_constants.RPC_CONCURRENCY):
-                tag = 'client_complete_call_{0:04d}_tag'.format(index)
-                client_call = channel.integrated_call(
-                    _EMPTY_FLAGS, b'/twinkies', None, None, _EMPTY_METADATA,
-                    None, ((
-                        (
-                            cygrpc.SendInitialMetadataOperation(
-                                _EMPTY_METADATA, _EMPTY_FLAGS),
-                            cygrpc.SendMessageOperation(b'\x45\x56',
-                                                        _EMPTY_FLAGS),
-                            cygrpc.SendCloseFromClientOperation(_EMPTY_FLAGS),
-                            cygrpc.ReceiveInitialMetadataOperation(
-                                _EMPTY_FLAGS),
-                            cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
-                            cygrpc.ReceiveStatusOnClientOperation(_EMPTY_FLAGS),
-                        ),
-                        tag,
-                    ),))
-                client_due.add(tag)
-                client_calls.append(client_call)
-
-        client_events_future = test_utilities.SimpleFuture(lambda: tuple(
-            channel.next_call_event() for _ in range(_SUCCESSFUL_CALLS)))
-
-        with state.condition:
-            while True:
-                if state.parked_handlers < test_constants.THREAD_CONCURRENCY:
-                    state.condition.wait()
-                elif state.handled_rpcs < test_constants.RPC_CONCURRENCY:
-                    state.condition.wait()
-                else:
-                    state.handlers_released = True
-                    state.condition.notify_all()
-                    break
-
-        client_events_future.result()
-        with client_condition:
-            for client_call in client_calls:
-                client_call.cancel(cygrpc.StatusCode.cancelled, 'Cancelled!')
-        for _ in range(_UNSUCCESSFUL_CALLS):
-            channel.next_call_event()
-
-        channel.close(cygrpc.StatusCode.unknown, 'Cancelled on channel close!')
-        with state.condition:
-            server.shutdown(server_completion_queue, _SERVER_SHUTDOWN_TAG)
-
-
-if __name__ == '__main__':
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_channel_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_channel_test.py
deleted file mode 100644
index 8f0b6fedc02..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_channel_test.py
+++ /dev/null
@@ -1,70 +0,0 @@
-# Copyright 2016 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import threading
-import time
-import unittest
-
-from grpc._cython import cygrpc
-
-from tests.unit.framework.common import test_constants
-
-
-def _channel():
-    return cygrpc.Channel(b'localhost:54321', (), None)
-
-
-def _connectivity_loop(channel):
-    for _ in range(100):
-        connectivity = channel.check_connectivity_state(True)
-        channel.watch_connectivity_state(connectivity, time.time() + 0.2)
-
-
-def _create_loop_destroy():
-    channel = _channel()
-    _connectivity_loop(channel)
-    channel.close(cygrpc.StatusCode.ok, 'Channel close!')
-
-
-def _in_parallel(behavior, arguments):
-    threads = tuple(
-        threading.Thread(target=behavior, args=arguments)
-        for _ in range(test_constants.THREAD_CONCURRENCY))
-    for thread in threads:
-        thread.start()
-    for thread in threads:
-        thread.join()
-
-
-class ChannelTest(unittest.TestCase):
-
-    def test_single_channel_lonely_connectivity(self):
-        channel = _channel()
-        _connectivity_loop(channel)
-        channel.close(cygrpc.StatusCode.ok, 'Channel close!')
-
-    def test_multiple_channels_lonely_connectivity(self):
-        _in_parallel(_create_loop_destroy, ())
-
-    def test_negative_deadline_connectivity(self):
-        channel = _channel()
-        connectivity = channel.check_connectivity_state(True)
-        channel.watch_connectivity_state(connectivity, -3.14)
-        channel.close(cygrpc.StatusCode.ok, 'Channel close!')
-        # NOTE(lidiz) The negative timeout should not trigger SIGABRT.
-        # Bug report: https://github.com/grpc/grpc/issues/18244
-
-
-if __name__ == '__main__':
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_common.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_common.py
deleted file mode 100644
index 42ec655feee..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_common.py
+++ /dev/null
@@ -1,123 +0,0 @@
-# Copyright 2017 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Common utilities for tests of the Cython layer of gRPC Python."""
-
-import collections
-import threading
-
-from grpc._cython import cygrpc
-
-RPC_COUNT = 4000
-
-EMPTY_FLAGS = 0
-
-INVOCATION_METADATA = (
-    ('client-md-key', 'client-md-key'),
-    ('client-md-key-bin', b'\x00\x01' * 3000),
-)
-
-INITIAL_METADATA = (
-    ('server-initial-md-key', 'server-initial-md-value'),
-    ('server-initial-md-key-bin', b'\x00\x02' * 3000),
-)
-
-TRAILING_METADATA = (
-    ('server-trailing-md-key', 'server-trailing-md-value'),
-    ('server-trailing-md-key-bin', b'\x00\x03' * 3000),
-)
-
-
-class QueueDriver(object):
-
-    def __init__(self, condition, completion_queue):
-        self._condition = condition
-        self._completion_queue = completion_queue
-        self._due = collections.defaultdict(int)
-        self._events = collections.defaultdict(list)
-
-    def add_due(self, tags):
-        if not self._due:
-
-            def in_thread():
-                while True:
-                    event = self._completion_queue.poll()
-                    with self._condition:
-                        self._events[event.tag].append(event)
-                        self._due[event.tag] -= 1
-                        self._condition.notify_all()
-                        if self._due[event.tag] <= 0:
-                            self._due.pop(event.tag)
-                            if not self._due:
-                                return
-
-            thread = threading.Thread(target=in_thread)
-            thread.start()
-        for tag in tags:
-            self._due[tag] += 1
-
-    def event_with_tag(self, tag):
-        with self._condition:
-            while True:
-                if self._events[tag]:
-                    return self._events[tag].pop(0)
-                else:
-                    self._condition.wait()
-
-
-def execute_many_times(behavior):
-    return tuple(behavior() for _ in range(RPC_COUNT))
-
-
-class OperationResult(
-        collections.namedtuple('OperationResult', (
-            'start_batch_result',
-            'completion_type',
-            'success',
-        ))):
-    pass
-
-
-SUCCESSFUL_OPERATION_RESULT = OperationResult(
-    cygrpc.CallError.ok, cygrpc.CompletionType.operation_complete, True)
-
-
-class RpcTest(object):
-
-    def setUp(self):
-        self.server_completion_queue = cygrpc.CompletionQueue()
-        self.server = cygrpc.Server([(b'grpc.so_reuseport', 0)], False)
-        self.server.register_completion_queue(self.server_completion_queue)
-        port = self.server.add_http2_port(b'[::]:0')
-        self.server.start()
-        self.channel = cygrpc.Channel('localhost:{}'.format(port).encode(), [],
-                                      None)
-
-        self._server_shutdown_tag = 'server_shutdown_tag'
-        self.server_condition = threading.Condition()
-        self.server_driver = QueueDriver(self.server_condition,
-                                         self.server_completion_queue)
-        with self.server_condition:
-            self.server_driver.add_due({
-                self._server_shutdown_tag,
-            })
-
-        self.client_condition = threading.Condition()
-        self.client_completion_queue = cygrpc.CompletionQueue()
-        self.client_driver = QueueDriver(self.client_condition,
-                                         self.client_completion_queue)
-
-    def tearDown(self):
-        self.server.shutdown(self.server_completion_queue,
-                             self._server_shutdown_tag)
-        self.server.cancel_all_calls()
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_fork_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_fork_test.py
deleted file mode 100644
index 5a5dedd5f26..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_fork_test.py
+++ /dev/null
@@ -1,72 +0,0 @@
-# Copyright 2018 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import os
-import threading
-import unittest
-
-from grpc._cython import cygrpc
-
-
-def _get_number_active_threads():
-    return cygrpc._fork_state.active_thread_count._num_active_threads
-
-
-@unittest.skipIf(os.name == 'nt', 'Posix-specific tests')
-class ForkPosixTester(unittest.TestCase):
-
-    def setUp(self):
-        self._saved_fork_support_flag = cygrpc._GRPC_ENABLE_FORK_SUPPORT
-        cygrpc._GRPC_ENABLE_FORK_SUPPORT = True
-
-    def testForkManagedThread(self):
-
-        def cb():
-            self.assertEqual(1, _get_number_active_threads())
-
-        thread = cygrpc.ForkManagedThread(cb)
-        thread.start()
-        thread.join()
-        self.assertEqual(0, _get_number_active_threads())
-
-    def testForkManagedThreadThrowsException(self):
-
-        def cb():
-            self.assertEqual(1, _get_number_active_threads())
-            raise Exception("expected exception")
-
-        thread = cygrpc.ForkManagedThread(cb)
-        thread.start()
-        thread.join()
-        self.assertEqual(0, _get_number_active_threads())
-
-    def tearDown(self):
-        cygrpc._GRPC_ENABLE_FORK_SUPPORT = self._saved_fork_support_flag
-
-
-@unittest.skipUnless(os.name == 'nt', 'Windows-specific tests')
-class ForkWindowsTester(unittest.TestCase):
-
-    def testForkManagedThreadIsNoOp(self):
-
-        def cb():
-            pass
-
-        thread = cygrpc.ForkManagedThread(cb)
-        thread.start()
-        thread.join()
-
-
-if __name__ == '__main__':
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_no_messages_server_completion_queue_per_call_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_no_messages_server_completion_queue_per_call_test.py
deleted file mode 100644
index 144a2fcae3f..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_no_messages_server_completion_queue_per_call_test.py
+++ /dev/null
@@ -1,132 +0,0 @@
-# Copyright 2017 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Test a corner-case at the level of the Cython API."""
-
-import threading
-import unittest
-
-from grpc._cython import cygrpc
-
-from tests.unit._cython import _common
-from tests.unit._cython import test_utilities
-
-
-class Test(_common.RpcTest, unittest.TestCase):
-
-    def _do_rpcs(self):
-        server_call_condition = threading.Condition()
-        server_call_completion_queue = cygrpc.CompletionQueue()
-        server_call_driver = _common.QueueDriver(server_call_condition,
-                                                 server_call_completion_queue)
-
-        server_request_call_tag = 'server_request_call_tag'
-        server_send_initial_metadata_tag = 'server_send_initial_metadata_tag'
-        server_complete_rpc_tag = 'server_complete_rpc_tag'
-
-        with self.server_condition:
-            server_request_call_start_batch_result = self.server.request_call(
-                server_call_completion_queue, self.server_completion_queue,
-                server_request_call_tag)
-            self.server_driver.add_due({
-                server_request_call_tag,
-            })
-
-        client_receive_initial_metadata_tag = 'client_receive_initial_metadata_tag'
-        client_complete_rpc_tag = 'client_complete_rpc_tag'
-        client_call = self.channel.integrated_call(
-            _common.EMPTY_FLAGS, b'/twinkies', None, None,
-            _common.INVOCATION_METADATA, None, [(
-                [
-                    cygrpc.ReceiveInitialMetadataOperation(_common.EMPTY_FLAGS),
-                ],
-                client_receive_initial_metadata_tag,
-            )])
-        client_call.operate([
-            cygrpc.SendInitialMetadataOperation(_common.INVOCATION_METADATA,
-                                                _common.EMPTY_FLAGS),
-            cygrpc.SendCloseFromClientOperation(_common.EMPTY_FLAGS),
-            cygrpc.ReceiveStatusOnClientOperation(_common.EMPTY_FLAGS),
-        ], client_complete_rpc_tag)
-
-        client_events_future = test_utilities.SimpleFuture(lambda: [
-            self.channel.next_call_event(),
-            self.channel.next_call_event(),
-        ])
-
-        server_request_call_event = self.server_driver.event_with_tag(
-            server_request_call_tag)
-
-        with server_call_condition:
-            server_send_initial_metadata_start_batch_result = (
-                server_request_call_event.call.start_server_batch([
-                    cygrpc.SendInitialMetadataOperation(
-                        _common.INITIAL_METADATA, _common.EMPTY_FLAGS),
-                ], server_send_initial_metadata_tag))
-            server_call_driver.add_due({
-                server_send_initial_metadata_tag,
-            })
-        server_send_initial_metadata_event = server_call_driver.event_with_tag(
-            server_send_initial_metadata_tag)
-
-        with server_call_condition:
-            server_complete_rpc_start_batch_result = (
-                server_request_call_event.call.start_server_batch([
-                    cygrpc.ReceiveCloseOnServerOperation(_common.EMPTY_FLAGS),
-                    cygrpc.SendStatusFromServerOperation(
-                        _common.TRAILING_METADATA, cygrpc.StatusCode.ok,
-                        b'test details', _common.EMPTY_FLAGS),
-                ], server_complete_rpc_tag))
-            server_call_driver.add_due({
-                server_complete_rpc_tag,
-            })
-        server_complete_rpc_event = server_call_driver.event_with_tag(
-            server_complete_rpc_tag)
-
-        client_events = client_events_future.result()
-        if client_events[0].tag is client_receive_initial_metadata_tag:
-            client_receive_initial_metadata_event = client_events[0]
-            client_complete_rpc_event = client_events[1]
-        else:
-            client_complete_rpc_event = client_events[0]
-            client_receive_initial_metadata_event = client_events[1]
-
-        return (
-            _common.OperationResult(server_request_call_start_batch_result,
-                                    server_request_call_event.completion_type,
-                                    server_request_call_event.success),
-            _common.OperationResult(
-                cygrpc.CallError.ok,
-                client_receive_initial_metadata_event.completion_type,
-                client_receive_initial_metadata_event.success),
-            _common.OperationResult(cygrpc.CallError.ok,
-                                    client_complete_rpc_event.completion_type,
-                                    client_complete_rpc_event.success),
-            _common.OperationResult(
-                server_send_initial_metadata_start_batch_result,
-                server_send_initial_metadata_event.completion_type,
-                server_send_initial_metadata_event.success),
-            _common.OperationResult(server_complete_rpc_start_batch_result,
-                                    server_complete_rpc_event.completion_type,
-                                    server_complete_rpc_event.success),
-        )
-
-    def test_rpcs(self):
-        expecteds = [(_common.SUCCESSFUL_OPERATION_RESULT,) * 5
-                    ] * _common.RPC_COUNT
-        actuallys = _common.execute_many_times(self._do_rpcs)
-        self.assertSequenceEqual(expecteds, actuallys)
-
-
-if __name__ == '__main__':
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_no_messages_single_server_completion_queue_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_no_messages_single_server_completion_queue_test.py
deleted file mode 100644
index 38964768db7..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_no_messages_single_server_completion_queue_test.py
+++ /dev/null
@@ -1,126 +0,0 @@
-# Copyright 2017 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Test a corner-case at the level of the Cython API."""
-
-import threading
-import unittest
-
-from grpc._cython import cygrpc
-
-from tests.unit._cython import _common
-from tests.unit._cython import test_utilities
-
-
-class Test(_common.RpcTest, unittest.TestCase):
-
-    def _do_rpcs(self):
-        server_request_call_tag = 'server_request_call_tag'
-        server_send_initial_metadata_tag = 'server_send_initial_metadata_tag'
-        server_complete_rpc_tag = 'server_complete_rpc_tag'
-
-        with self.server_condition:
-            server_request_call_start_batch_result = self.server.request_call(
-                self.server_completion_queue, self.server_completion_queue,
-                server_request_call_tag)
-            self.server_driver.add_due({
-                server_request_call_tag,
-            })
-
-        client_receive_initial_metadata_tag = 'client_receive_initial_metadata_tag'
-        client_complete_rpc_tag = 'client_complete_rpc_tag'
-        client_call = self.channel.integrated_call(
-            _common.EMPTY_FLAGS, b'/twinkies', None, None,
-            _common.INVOCATION_METADATA, None, [
-                (
-                    [
-                        cygrpc.SendInitialMetadataOperation(
-                            _common.INVOCATION_METADATA, _common.EMPTY_FLAGS),
-                        cygrpc.SendCloseFromClientOperation(
-                            _common.EMPTY_FLAGS),
-                        cygrpc.ReceiveStatusOnClientOperation(
-                            _common.EMPTY_FLAGS),
-                    ],
-                    client_complete_rpc_tag,
-                ),
-            ])
-        client_call.operate([
-            cygrpc.ReceiveInitialMetadataOperation(_common.EMPTY_FLAGS),
-        ], client_receive_initial_metadata_tag)
-
-        client_events_future = test_utilities.SimpleFuture(lambda: [
-            self.channel.next_call_event(),
-            self.channel.next_call_event(),
-        ])
-        server_request_call_event = self.server_driver.event_with_tag(
-            server_request_call_tag)
-
-        with self.server_condition:
-            server_send_initial_metadata_start_batch_result = (
-                server_request_call_event.call.start_server_batch([
-                    cygrpc.SendInitialMetadataOperation(
-                        _common.INITIAL_METADATA, _common.EMPTY_FLAGS),
-                ], server_send_initial_metadata_tag))
-            self.server_driver.add_due({
-                server_send_initial_metadata_tag,
-            })
-        server_send_initial_metadata_event = self.server_driver.event_with_tag(
-            server_send_initial_metadata_tag)
-
-        with self.server_condition:
-            server_complete_rpc_start_batch_result = (
-                server_request_call_event.call.start_server_batch([
-                    cygrpc.ReceiveCloseOnServerOperation(_common.EMPTY_FLAGS),
-                    cygrpc.SendStatusFromServerOperation(
-                        _common.TRAILING_METADATA, cygrpc.StatusCode.ok,
-                        'test details', _common.EMPTY_FLAGS),
-                ], server_complete_rpc_tag))
-            self.server_driver.add_due({
-                server_complete_rpc_tag,
-            })
-        server_complete_rpc_event = self.server_driver.event_with_tag(
-            server_complete_rpc_tag)
-
-        client_events = client_events_future.result()
-        client_receive_initial_metadata_event = client_events[0]
-        client_complete_rpc_event = client_events[1]
-
-        return (
-            _common.OperationResult(server_request_call_start_batch_result,
-                                    server_request_call_event.completion_type,
-                                    server_request_call_event.success),
-            _common.OperationResult(
-                cygrpc.CallError.ok,
-                client_receive_initial_metadata_event.completion_type,
-                client_receive_initial_metadata_event.success),
-            _common.OperationResult(cygrpc.CallError.ok,
-                                    client_complete_rpc_event.completion_type,
-                                    client_complete_rpc_event.success),
-            _common.OperationResult(
-                server_send_initial_metadata_start_batch_result,
-                server_send_initial_metadata_event.completion_type,
-                server_send_initial_metadata_event.success),
-            _common.OperationResult(server_complete_rpc_start_batch_result,
-                                    server_complete_rpc_event.completion_type,
-                                    server_complete_rpc_event.success),
-        )
-
-    def test_rpcs(self):
-        expecteds = [(_common.SUCCESSFUL_OPERATION_RESULT,) * 5
-                    ] * _common.RPC_COUNT
-        actuallys = _common.execute_many_times(self._do_rpcs)
-        self.assertSequenceEqual(expecteds, actuallys)
-
-
-if __name__ == '__main__':
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_read_some_but_not_all_responses_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_read_some_but_not_all_responses_test.py
deleted file mode 100644
index 701ebcee5c2..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_read_some_but_not_all_responses_test.py
+++ /dev/null
@@ -1,241 +0,0 @@
-# Copyright 2016 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Test a corner-case at the level of the Cython API."""
-
-import threading
-import unittest
-
-from grpc._cython import cygrpc
-
-from tests.unit._cython import test_utilities
-
-_EMPTY_FLAGS = 0
-_EMPTY_METADATA = ()
-
-
-class _ServerDriver(object):
-
-    def __init__(self, completion_queue, shutdown_tag):
-        self._condition = threading.Condition()
-        self._completion_queue = completion_queue
-        self._shutdown_tag = shutdown_tag
-        self._events = []
-        self._saw_shutdown_tag = False
-
-    def start(self):
-
-        def in_thread():
-            while True:
-                event = self._completion_queue.poll()
-                with self._condition:
-                    self._events.append(event)
-                    self._condition.notify()
-                    if event.tag is self._shutdown_tag:
-                        self._saw_shutdown_tag = True
-                        break
-
-        thread = threading.Thread(target=in_thread)
-        thread.start()
-
-    def done(self):
-        with self._condition:
-            return self._saw_shutdown_tag
-
-    def first_event(self):
-        with self._condition:
-            while not self._events:
-                self._condition.wait()
-            return self._events[0]
-
-    def events(self):
-        with self._condition:
-            while not self._saw_shutdown_tag:
-                self._condition.wait()
-            return tuple(self._events)
-
-
-class _QueueDriver(object):
-
-    def __init__(self, condition, completion_queue, due):
-        self._condition = condition
-        self._completion_queue = completion_queue
-        self._due = due
-        self._events = []
-        self._returned = False
-
-    def start(self):
-
-        def in_thread():
-            while True:
-                event = self._completion_queue.poll()
-                with self._condition:
-                    self._events.append(event)
-                    self._due.remove(event.tag)
-                    self._condition.notify_all()
-                    if not self._due:
-                        self._returned = True
-                        return
-
-        thread = threading.Thread(target=in_thread)
-        thread.start()
-
-    def done(self):
-        with self._condition:
-            return self._returned
-
-    def event_with_tag(self, tag):
-        with self._condition:
-            while True:
-                for event in self._events:
-                    if event.tag is tag:
-                        return event
-                self._condition.wait()
-
-    def events(self):
-        with self._condition:
-            while not self._returned:
-                self._condition.wait()
-            return tuple(self._events)
-
-
-class ReadSomeButNotAllResponsesTest(unittest.TestCase):
-
-    def testReadSomeButNotAllResponses(self):
-        server_completion_queue = cygrpc.CompletionQueue()
-        server = cygrpc.Server([(
-            b'grpc.so_reuseport',
-            0,
-        )], False)
-        server.register_completion_queue(server_completion_queue)
-        port = server.add_http2_port(b'[::]:0')
-        server.start()
-        channel = cygrpc.Channel('localhost:{}'.format(port).encode(), set(),
-                                 None)
-
-        server_shutdown_tag = 'server_shutdown_tag'
-        server_driver = _ServerDriver(server_completion_queue,
-                                      server_shutdown_tag)
-        server_driver.start()
-
-        client_condition = threading.Condition()
-        client_due = set()
-
-        server_call_condition = threading.Condition()
-        server_send_initial_metadata_tag = 'server_send_initial_metadata_tag'
-        server_send_first_message_tag = 'server_send_first_message_tag'
-        server_send_second_message_tag = 'server_send_second_message_tag'
-        server_complete_rpc_tag = 'server_complete_rpc_tag'
-        server_call_due = set((
-            server_send_initial_metadata_tag,
-            server_send_first_message_tag,
-            server_send_second_message_tag,
-            server_complete_rpc_tag,
-        ))
-        server_call_completion_queue = cygrpc.CompletionQueue()
-        server_call_driver = _QueueDriver(server_call_condition,
-                                          server_call_completion_queue,
-                                          server_call_due)
-        server_call_driver.start()
-
-        server_rpc_tag = 'server_rpc_tag'
-        request_call_result = server.request_call(server_call_completion_queue,
-                                                  server_completion_queue,
-                                                  server_rpc_tag)
-
-        client_receive_initial_metadata_tag = 'client_receive_initial_metadata_tag'
-        client_complete_rpc_tag = 'client_complete_rpc_tag'
-        client_call = channel.segregated_call(
-            _EMPTY_FLAGS, b'/twinkies', None, None, _EMPTY_METADATA, None, (
-                (
-                    [
-                        cygrpc.ReceiveInitialMetadataOperation(_EMPTY_FLAGS),
-                    ],
-                    client_receive_initial_metadata_tag,
-                ),
-                (
-                    [
-                        cygrpc.SendInitialMetadataOperation(
-                            _EMPTY_METADATA, _EMPTY_FLAGS),
-                        cygrpc.SendCloseFromClientOperation(_EMPTY_FLAGS),
-                        cygrpc.ReceiveStatusOnClientOperation(_EMPTY_FLAGS),
-                    ],
-                    client_complete_rpc_tag,
-                ),
-            ))
-        client_receive_initial_metadata_event_future = test_utilities.SimpleFuture(
-            client_call.next_event)
-
-        server_rpc_event = server_driver.first_event()
-
-        with server_call_condition:
-            server_send_initial_metadata_start_batch_result = (
-                server_rpc_event.call.start_server_batch([
-                    cygrpc.SendInitialMetadataOperation(_EMPTY_METADATA,
-                                                        _EMPTY_FLAGS),
-                ], server_send_initial_metadata_tag))
-            server_send_first_message_start_batch_result = (
-                server_rpc_event.call.start_server_batch([
-                    cygrpc.SendMessageOperation(b'\x07', _EMPTY_FLAGS),
-                ], server_send_first_message_tag))
-        server_send_initial_metadata_event = server_call_driver.event_with_tag(
-            server_send_initial_metadata_tag)
-        server_send_first_message_event = server_call_driver.event_with_tag(
-            server_send_first_message_tag)
-        with server_call_condition:
-            server_send_second_message_start_batch_result = (
-                server_rpc_event.call.start_server_batch([
-                    cygrpc.SendMessageOperation(b'\x07', _EMPTY_FLAGS),
-                ], server_send_second_message_tag))
-            server_complete_rpc_start_batch_result = (
-                server_rpc_event.call.start_server_batch([
-                    cygrpc.ReceiveCloseOnServerOperation(_EMPTY_FLAGS),
-                    cygrpc.SendStatusFromServerOperation(
-                        (), cygrpc.StatusCode.ok, b'test details',
-                        _EMPTY_FLAGS),
-                ], server_complete_rpc_tag))
-        server_send_second_message_event = server_call_driver.event_with_tag(
-            server_send_second_message_tag)
-        server_complete_rpc_event = server_call_driver.event_with_tag(
-            server_complete_rpc_tag)
-        server_call_driver.events()
-
-        client_recieve_initial_metadata_event = client_receive_initial_metadata_event_future.result(
-        )
-
-        client_receive_first_message_tag = 'client_receive_first_message_tag'
-        client_call.operate([
-            cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
-        ], client_receive_first_message_tag)
-        client_receive_first_message_event = client_call.next_event()
-
-        client_call_cancel_result = client_call.cancel(
-            cygrpc.StatusCode.cancelled, 'Cancelled during test!')
-        client_complete_rpc_event = client_call.next_event()
-
-        channel.close(cygrpc.StatusCode.unknown, 'Channel closed!')
-        server.shutdown(server_completion_queue, server_shutdown_tag)
-        server.cancel_all_calls()
-        server_driver.events()
-
-        self.assertEqual(cygrpc.CallError.ok, request_call_result)
-        self.assertEqual(cygrpc.CallError.ok,
-                         server_send_initial_metadata_start_batch_result)
-        self.assertIs(server_rpc_tag, server_rpc_event.tag)
-        self.assertEqual(cygrpc.CompletionType.operation_complete,
-                         server_rpc_event.completion_type)
-        self.assertIsInstance(server_rpc_event.call, cygrpc.Call)
-
-
-if __name__ == '__main__':
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_server_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_server_test.py
deleted file mode 100644
index 60b068243c0..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/_server_test.py
+++ /dev/null
@@ -1,49 +0,0 @@
-# Copyright 2017 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Test servers at the level of the Cython API."""
-
-import threading
-import time
-import unittest
-
-from grpc._cython import cygrpc
-
-
-class Test(unittest.TestCase):
-
-    def test_lonely_server(self):
-        server_call_completion_queue = cygrpc.CompletionQueue()
-        server_shutdown_completion_queue = cygrpc.CompletionQueue()
-        server = cygrpc.Server(None, False)
-        server.register_completion_queue(server_call_completion_queue)
-        server.register_completion_queue(server_shutdown_completion_queue)
-        port = server.add_http2_port(b'[::]:0')
-        server.start()
-
-        server_request_call_tag = 'server_request_call_tag'
-        server_request_call_start_batch_result = server.request_call(
-            server_call_completion_queue, server_call_completion_queue,
-            server_request_call_tag)
-
-        time.sleep(4)
-
-        server_shutdown_tag = 'server_shutdown_tag'
-        server_shutdown_result = server.shutdown(
-            server_shutdown_completion_queue, server_shutdown_tag)
-        server_request_call_event = server_call_completion_queue.poll()
-        server_shutdown_event = server_shutdown_completion_queue.poll()
-
-
-if __name__ == '__main__':
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/cygrpc_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/cygrpc_test.py
deleted file mode 100644
index 9021dc08d1e..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/cygrpc_test.py
+++ /dev/null
@@ -1,417 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import platform
-import threading
-import time
-import unittest
-
-from grpc._cython import cygrpc
-
-from tests.unit import resources
-from tests.unit import test_common
-from tests.unit._cython import test_utilities
-
-_SSL_HOST_OVERRIDE = b'foo.test.google.fr'
-_CALL_CREDENTIALS_METADATA_KEY = 'call-creds-key'
-_CALL_CREDENTIALS_METADATA_VALUE = 'call-creds-value'
-_EMPTY_FLAGS = 0
-
-
-def _metadata_plugin(context, callback):
-    callback(((
-        _CALL_CREDENTIALS_METADATA_KEY,
-        _CALL_CREDENTIALS_METADATA_VALUE,
-    ),), cygrpc.StatusCode.ok, b'')
-
-
-class TypeSmokeTest(unittest.TestCase):
-
-    def testCompletionQueueUpDown(self):
-        completion_queue = cygrpc.CompletionQueue()
-        del completion_queue
-
-    def testServerUpDown(self):
-        server = cygrpc.Server(set([(
-            b'grpc.so_reuseport',
-            0,
-        )]), False)
-        del server
-
-    def testChannelUpDown(self):
-        channel = cygrpc.Channel(b'[::]:0', None, None)
-        channel.close(cygrpc.StatusCode.cancelled, 'Test method anyway!')
-
-    def test_metadata_plugin_call_credentials_up_down(self):
-        cygrpc.MetadataPluginCallCredentials(_metadata_plugin,
-                                             b'test plugin name!')
-
-    def testServerStartNoExplicitShutdown(self):
-        server = cygrpc.Server([(
-            b'grpc.so_reuseport',
-            0,
-        )], False)
-        completion_queue = cygrpc.CompletionQueue()
-        server.register_completion_queue(completion_queue)
-        port = server.add_http2_port(b'[::]:0')
-        self.assertIsInstance(port, int)
-        server.start()
-        del server
-
-    def testServerStartShutdown(self):
-        completion_queue = cygrpc.CompletionQueue()
-        server = cygrpc.Server([
-            (
-                b'grpc.so_reuseport',
-                0,
-            ),
-        ], False)
-        server.add_http2_port(b'[::]:0')
-        server.register_completion_queue(completion_queue)
-        server.start()
-        shutdown_tag = object()
-        server.shutdown(completion_queue, shutdown_tag)
-        event = completion_queue.poll()
-        self.assertEqual(cygrpc.CompletionType.operation_complete,
-                         event.completion_type)
-        self.assertIs(shutdown_tag, event.tag)
-        del server
-        del completion_queue
-
-
-class ServerClientMixin(object):
-
-    def setUpMixin(self, server_credentials, client_credentials, host_override):
-        self.server_completion_queue = cygrpc.CompletionQueue()
-        self.server = cygrpc.Server([(
-            b'grpc.so_reuseport',
-            0,
-        )], False)
-        self.server.register_completion_queue(self.server_completion_queue)
-        if server_credentials:
-            self.port = self.server.add_http2_port(b'[::]:0',
-                                                   server_credentials)
-        else:
-            self.port = self.server.add_http2_port(b'[::]:0')
-        self.server.start()
-        self.client_completion_queue = cygrpc.CompletionQueue()
-        if client_credentials:
-            client_channel_arguments = ((
-                cygrpc.ChannelArgKey.ssl_target_name_override,
-                host_override,
-            ),)
-            self.client_channel = cygrpc.Channel(
-                'localhost:{}'.format(self.port).encode(),
-                client_channel_arguments, client_credentials)
-        else:
-            self.client_channel = cygrpc.Channel(
-                'localhost:{}'.format(self.port).encode(), set(), None)
-        if host_override:
-            self.host_argument = None  # default host
-            self.expected_host = host_override
-        else:
-            # arbitrary host name necessitating no further identification
-            self.host_argument = b'hostess'
-            self.expected_host = self.host_argument
-
-    def tearDownMixin(self):
-        self.client_channel.close(cygrpc.StatusCode.ok, 'test being torn down!')
-        del self.client_channel
-        del self.server
-        del self.client_completion_queue
-        del self.server_completion_queue
-
-    def _perform_queue_operations(self, operations, call, queue, deadline,
-                                  description):
-        """Perform the operations with given call, queue, and deadline.
-
-        Invocation errors are reported with as an exception with `description`
-        in the message. Performs the operations asynchronously, returning a
-        future.
-        """
-
-        def performer():
-            tag = object()
-            try:
-                call_result = call.start_client_batch(operations, tag)
-                self.assertEqual(cygrpc.CallError.ok, call_result)
-                event = queue.poll(deadline=deadline)
-                self.assertEqual(cygrpc.CompletionType.operation_complete,
-                                 event.completion_type)
-                self.assertTrue(event.success)
-                self.assertIs(tag, event.tag)
-            except Exception as error:
-                raise Exception("Error in '{}': {}".format(
-                    description, error.message))
-            return event
-
-        return test_utilities.SimpleFuture(performer)
-
-    def test_echo(self):
-        DEADLINE = time.time() + 5
-        DEADLINE_TOLERANCE = 0.25
-        CLIENT_METADATA_ASCII_KEY = 'key'
-        CLIENT_METADATA_ASCII_VALUE = 'val'
-        CLIENT_METADATA_BIN_KEY = 'key-bin'
-        CLIENT_METADATA_BIN_VALUE = b'\0' * 1000
-        SERVER_INITIAL_METADATA_KEY = 'init_me_me_me'
-        SERVER_INITIAL_METADATA_VALUE = 'whodawha?'
-        SERVER_TRAILING_METADATA_KEY = 'california_is_in_a_drought'
-        SERVER_TRAILING_METADATA_VALUE = 'zomg it is'
-        SERVER_STATUS_CODE = cygrpc.StatusCode.ok
-        SERVER_STATUS_DETAILS = 'our work is never over'
-        REQUEST = b'in death a member of project mayhem has a name'
-        RESPONSE = b'his name is robert paulson'
-        METHOD = b'twinkies'
-
-        server_request_tag = object()
-        request_call_result = self.server.request_call(
-            self.server_completion_queue, self.server_completion_queue,
-            server_request_tag)
-
-        self.assertEqual(cygrpc.CallError.ok, request_call_result)
-
-        client_call_tag = object()
-        client_initial_metadata = (
-            (
-                CLIENT_METADATA_ASCII_KEY,
-                CLIENT_METADATA_ASCII_VALUE,
-            ),
-            (
-                CLIENT_METADATA_BIN_KEY,
-                CLIENT_METADATA_BIN_VALUE,
-            ),
-        )
-        client_call = self.client_channel.integrated_call(
-            0, METHOD, self.host_argument, DEADLINE, client_initial_metadata,
-            None, [
-                (
-                    [
-                        cygrpc.SendInitialMetadataOperation(
-                            client_initial_metadata, _EMPTY_FLAGS),
-                        cygrpc.SendMessageOperation(REQUEST, _EMPTY_FLAGS),
-                        cygrpc.SendCloseFromClientOperation(_EMPTY_FLAGS),
-                        cygrpc.ReceiveInitialMetadataOperation(_EMPTY_FLAGS),
-                        cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
-                        cygrpc.ReceiveStatusOnClientOperation(_EMPTY_FLAGS),
-                    ],
-                    client_call_tag,
-                ),
-            ])
-        client_event_future = test_utilities.SimpleFuture(
-            self.client_channel.next_call_event)
-
-        request_event = self.server_completion_queue.poll(deadline=DEADLINE)
-        self.assertEqual(cygrpc.CompletionType.operation_complete,
-                         request_event.completion_type)
-        self.assertIsInstance(request_event.call, cygrpc.Call)
-        self.assertIs(server_request_tag, request_event.tag)
-        self.assertTrue(
-            test_common.metadata_transmitted(client_initial_metadata,
-                                             request_event.invocation_metadata))
-        self.assertEqual(METHOD, request_event.call_details.method)
-        self.assertEqual(self.expected_host, request_event.call_details.host)
-        self.assertLess(abs(DEADLINE - request_event.call_details.deadline),
-                        DEADLINE_TOLERANCE)
-
-        server_call_tag = object()
-        server_call = request_event.call
-        server_initial_metadata = ((
-            SERVER_INITIAL_METADATA_KEY,
-            SERVER_INITIAL_METADATA_VALUE,
-        ),)
-        server_trailing_metadata = ((
-            SERVER_TRAILING_METADATA_KEY,
-            SERVER_TRAILING_METADATA_VALUE,
-        ),)
-        server_start_batch_result = server_call.start_server_batch([
-            cygrpc.SendInitialMetadataOperation(server_initial_metadata,
-                                                _EMPTY_FLAGS),
-            cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
-            cygrpc.SendMessageOperation(RESPONSE, _EMPTY_FLAGS),
-            cygrpc.ReceiveCloseOnServerOperation(_EMPTY_FLAGS),
-            cygrpc.SendStatusFromServerOperation(
-                server_trailing_metadata, SERVER_STATUS_CODE,
-                SERVER_STATUS_DETAILS, _EMPTY_FLAGS)
-        ], server_call_tag)
-        self.assertEqual(cygrpc.CallError.ok, server_start_batch_result)
-
-        server_event = self.server_completion_queue.poll(deadline=DEADLINE)
-        client_event = client_event_future.result()
-
-        self.assertEqual(6, len(client_event.batch_operations))
-        found_client_op_types = set()
-        for client_result in client_event.batch_operations:
-            # we expect each op type to be unique
-            self.assertNotIn(client_result.type(), found_client_op_types)
-            found_client_op_types.add(client_result.type())
-            if client_result.type(
-            ) == cygrpc.OperationType.receive_initial_metadata:
-                self.assertTrue(
-                    test_common.metadata_transmitted(
-                        server_initial_metadata,
-                        client_result.initial_metadata()))
-            elif client_result.type() == cygrpc.OperationType.receive_message:
-                self.assertEqual(RESPONSE, client_result.message())
-            elif client_result.type(
-            ) == cygrpc.OperationType.receive_status_on_client:
-                self.assertTrue(
-                    test_common.metadata_transmitted(
-                        server_trailing_metadata,
-                        client_result.trailing_metadata()))
-                self.assertEqual(SERVER_STATUS_DETAILS, client_result.details())
-                self.assertEqual(SERVER_STATUS_CODE, client_result.code())
-        self.assertEqual(
-            set([
-                cygrpc.OperationType.send_initial_metadata,
-                cygrpc.OperationType.send_message,
-                cygrpc.OperationType.send_close_from_client,
-                cygrpc.OperationType.receive_initial_metadata,
-                cygrpc.OperationType.receive_message,
-                cygrpc.OperationType.receive_status_on_client
-            ]), found_client_op_types)
-
-        self.assertEqual(5, len(server_event.batch_operations))
-        found_server_op_types = set()
-        for server_result in server_event.batch_operations:
-            self.assertNotIn(server_result.type(), found_server_op_types)
-            found_server_op_types.add(server_result.type())
-            if server_result.type() == cygrpc.OperationType.receive_message:
-                self.assertEqual(REQUEST, server_result.message())
-            elif server_result.type(
-            ) == cygrpc.OperationType.receive_close_on_server:
-                self.assertFalse(server_result.cancelled())
-        self.assertEqual(
-            set([
-                cygrpc.OperationType.send_initial_metadata,
-                cygrpc.OperationType.receive_message,
-                cygrpc.OperationType.send_message,
-                cygrpc.OperationType.receive_close_on_server,
-                cygrpc.OperationType.send_status_from_server
-            ]), found_server_op_types)
-
-        del client_call
-        del server_call
-
-    def test_6522(self):
-        DEADLINE = time.time() + 5
-        DEADLINE_TOLERANCE = 0.25
-        METHOD = b'twinkies'
-
-        empty_metadata = ()
-
-        # Prologue
-        server_request_tag = object()
-        self.server.request_call(self.server_completion_queue,
-                                 self.server_completion_queue,
-                                 server_request_tag)
-        client_call = self.client_channel.segregated_call(
-            0, METHOD, self.host_argument, DEADLINE, None, None,
-            ([(
-                [
-                    cygrpc.SendInitialMetadataOperation(empty_metadata,
-                                                        _EMPTY_FLAGS),
-                    cygrpc.ReceiveInitialMetadataOperation(_EMPTY_FLAGS),
-                ],
-                object(),
-            ),
-              (
-                  [
-                      cygrpc.ReceiveStatusOnClientOperation(_EMPTY_FLAGS),
-                  ],
-                  object(),
-              )]))
-
-        client_initial_metadata_event_future = test_utilities.SimpleFuture(
-            client_call.next_event)
-
-        request_event = self.server_completion_queue.poll(deadline=DEADLINE)
-        server_call = request_event.call
-
-        def perform_server_operations(operations, description):
-            return self._perform_queue_operations(operations, server_call,
-                                                  self.server_completion_queue,
-                                                  DEADLINE, description)
-
-        server_event_future = perform_server_operations([
-            cygrpc.SendInitialMetadataOperation(empty_metadata, _EMPTY_FLAGS),
-        ], "Server prologue")
-
-        client_initial_metadata_event_future.result()  # force completion
-        server_event_future.result()
-
-        # Messaging
-        for _ in range(10):
-            client_call.operate([
-                cygrpc.SendMessageOperation(b'', _EMPTY_FLAGS),
-                cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
-            ], "Client message")
-            client_message_event_future = test_utilities.SimpleFuture(
-                client_call.next_event)
-            server_event_future = perform_server_operations([
-                cygrpc.SendMessageOperation(b'', _EMPTY_FLAGS),
-                cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
-            ], "Server receive")
-
-            client_message_event_future.result()  # force completion
-            server_event_future.result()
-
-        # Epilogue
-        client_call.operate([
-            cygrpc.SendCloseFromClientOperation(_EMPTY_FLAGS),
-        ], "Client epilogue")
-        # One for ReceiveStatusOnClient, one for SendCloseFromClient.
-        client_events_future = test_utilities.SimpleFuture(lambda: {
-            client_call.next_event(),
-            client_call.next_event(),
-        })
-
-        server_event_future = perform_server_operations([
-            cygrpc.ReceiveCloseOnServerOperation(_EMPTY_FLAGS),
-            cygrpc.SendStatusFromServerOperation(
-                empty_metadata, cygrpc.StatusCode.ok, b'', _EMPTY_FLAGS)
-        ], "Server epilogue")
-
-        client_events_future.result()  # force completion
-        server_event_future.result()
-
-
-class InsecureServerInsecureClient(unittest.TestCase, ServerClientMixin):
-
-    def setUp(self):
-        self.setUpMixin(None, None, None)
-
-    def tearDown(self):
-        self.tearDownMixin()
-
-
-class SecureServerSecureClient(unittest.TestCase, ServerClientMixin):
-
-    def setUp(self):
-        server_credentials = cygrpc.server_credentials_ssl(
-            None, [
-                cygrpc.SslPemKeyCertPair(resources.private_key(),
-                                         resources.certificate_chain())
-            ], False)
-        client_credentials = cygrpc.SSLChannelCredentials(
-            resources.test_root_certificates(), None, None)
-        self.setUpMixin(server_credentials, client_credentials,
-                        _SSL_HOST_OVERRIDE)
-
-    def tearDown(self):
-        self.tearDownMixin()
-
-
-if __name__ == '__main__':
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/test_utilities.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/test_utilities.py
deleted file mode 100644
index 7d5eaaaa842..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_cython/test_utilities.py
+++ /dev/null
@@ -1,52 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import threading
-
-from grpc._cython import cygrpc
-
-
-class SimpleFuture(object):
-    """A simple future mechanism."""
-
-    def __init__(self, function, *args, **kwargs):
-
-        def wrapped_function():
-            try:
-                self._result = function(*args, **kwargs)
-            except Exception as error:  # pylint: disable=broad-except
-                self._error = error
-
-        self._result = None
-        self._error = None
-        self._thread = threading.Thread(target=wrapped_function)
-        self._thread.start()
-
-    def result(self):
-        """The resulting value of this future.
-
-    Re-raises any exceptions.
-    """
-        self._thread.join()
-        if self._error:
-            # TODO(atash): re-raise exceptions in a way that preserves tracebacks
-            raise self._error  # pylint: disable=raising-bad-type
-        return self._result
-
-
-class CompletionQueuePollFuture(SimpleFuture):
-
-    def __init__(self, completion_queue, deadline):
-        super(CompletionQueuePollFuture,
-              self).__init__(lambda: completion_queue.poll(deadline=deadline))
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_dns_resolver_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_dns_resolver_test.py
deleted file mode 100644
index cc89dea1efa..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_dns_resolver_test.py
+++ /dev/null
@@ -1,68 +0,0 @@
-# Copyright 2019 The gRPC Authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests for an actual dns resolution."""
-
-import logging
-import unittest
-
-import grpc
-import six
-
-from tests.unit import test_common
-from tests.unit.framework.common import test_constants
-
-_METHOD = '/ANY/METHOD'
-_REQUEST = b'\x00\x00\x00'
-_RESPONSE = _REQUEST
-
-
-class GenericHandler(grpc.GenericRpcHandler):
-
-    def service(self, unused_handler_details):
-        return grpc.unary_unary_rpc_method_handler(
-            lambda request, unused_context: request,
-        )
-
-
-class DNSResolverTest(unittest.TestCase):
-
-    def setUp(self):
-        self._server = test_common.test_server()
-        self._server.add_generic_rpc_handlers((GenericHandler(),))
-        self._port = self._server.add_insecure_port('[::]:0')
-        self._server.start()
-
-    def tearDown(self):
-        self._server.stop(None)
-
-    def test_connect_loopback(self):
-        # NOTE(https://github.com/grpc/grpc/issues/18422)
-        # In short, Gevent + C-Ares = Segfault. The C-Ares driver is not
-        # supported by custom io manager like "gevent"
-        # NOTE(b/201064791): use loopback46.unittest.grpc.io since
-        # it returns the expected responses even when DNS64 dns servers
-        # are used on the test worker (and for purposes of this
-        # test the use of loopback4 vs loopback46 makes no difference).
-        with grpc.insecure_channel('loopback46.unittest.grpc.io:%d' %
-                                   self._port) as channel:
-            self.assertEqual(
-                channel.unary_unary(_METHOD)(
-                    _REQUEST,
-                    timeout=test_constants.SHORT_TIMEOUT,
-                ), _RESPONSE)
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_dynamic_stubs_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_dynamic_stubs_test.py
deleted file mode 100644
index e505c563d89..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_dynamic_stubs_test.py
+++ /dev/null
@@ -1,147 +0,0 @@
-# Copyright 2019 The gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Test of dynamic stub import API."""
-
-import contextlib
-import functools
-import logging
-import multiprocessing
-import os
-import sys
-import unittest
-
-from tests.unit import test_common
-
-_DATA_DIR = os.path.join("tests", "unit", "data")
-
-
-@contextlib.contextmanager
-def _grpc_tools_unimportable():
-    original_sys_path = sys.path
-    sys.path = [path for path in sys.path if "grpcio_tools" not in path]
-    try:
-        import grpc_tools
-    except ImportError:
-        pass
-    else:
-        del grpc_tools
-        sys.path = original_sys_path
-        raise unittest.SkipTest("Failed to make grpc_tools unimportable.")
-    try:
-        yield
-    finally:
-        sys.path = original_sys_path
-
-
-def _collect_errors(fn):
-
-    @functools.wraps(fn)
-    def _wrapped(error_queue):
-        try:
-            fn()
-        except Exception as e:
-            error_queue.put(e)
-            raise
-
-    return _wrapped
-
-
-def _python3_check(fn):
-
-    @functools.wraps(fn)
-    def _wrapped():
-        if sys.version_info[0] == 3:
-            fn()
-        else:
-            _assert_unimplemented("Python 3")
-
-    return _wrapped
-
-
-def _run_in_subprocess(test_case):
-    sys.path.insert(
-        0, os.path.join(os.path.realpath(os.path.dirname(__file__)), ".."))
-    error_queue = multiprocessing.Queue()
-    proc = multiprocessing.Process(target=test_case, args=(error_queue,))
-    proc.start()
-    proc.join()
-    sys.path.pop(0)
-    if not error_queue.empty():
-        raise error_queue.get()
-    assert proc.exitcode == 0, "Process exited with code {}".format(
-        proc.exitcode)
-
-
-def _assert_unimplemented(msg_substr):
-    import grpc
-    try:
-        protos, services = grpc.protos_and_services(
-            "tests/unit/data/foo/bar.proto")
-    except NotImplementedError as e:
-        assert msg_substr in str(e), "{} was not in '{}'".format(
-            msg_substr, str(e))
-    else:
-        assert False, "Did not raise NotImplementedError"
-
-
-@_collect_errors
-@_python3_check
-def _test_sunny_day():
-    import grpc
-    protos, services = grpc.protos_and_services(
-        os.path.join(_DATA_DIR, "foo", "bar.proto"))
-    assert protos.BarMessage is not None
-    assert services.BarStub is not None
-
-
-@_collect_errors
-@_python3_check
-def _test_well_known_types():
-    import grpc
-    protos, services = grpc.protos_and_services(
-        os.path.join(_DATA_DIR, "foo", "bar_with_wkt.proto"))
-    assert protos.BarMessage is not None
-    assert services.BarStub is not None
-
-
-@_collect_errors
-@_python3_check
-def _test_grpc_tools_unimportable():
-    with _grpc_tools_unimportable():
-        _assert_unimplemented("grpcio-tools")
-
-
-# NOTE(rbellevi): multiprocessing.Process fails to pickle function objects
-# when they do not come from the "__main__" module, so this test passes
-# if run directly on Windows, but not if started by the test runner.
-@unittest.skipIf(os.name == "nt", "Windows multiprocessing unsupported")
-@unittest.skipIf(test_common.running_under_gevent(),
-                 "Import paths do not work with gevent runner.")
-class DynamicStubTest(unittest.TestCase):
-
-    @unittest.skip('grpcio-tools package required')
-    def test_sunny_day(self):
-        _run_in_subprocess(_test_sunny_day)
-
-    @unittest.skip('grpcio-tools package required')
-    def test_well_known_types(self):
-        _run_in_subprocess(_test_well_known_types)
-
-    def test_grpc_tools_unimportable(self):
-        _run_in_subprocess(_test_grpc_tools_unimportable)
-
-
-if __name__ == "__main__":
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_empty_message_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_empty_message_test.py
deleted file mode 100644
index 918dbe73d1a..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_empty_message_test.py
+++ /dev/null
@@ -1,124 +0,0 @@
-# Copyright 2016 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import logging
-import unittest
-
-import grpc
-
-from tests.unit import test_common
-from tests.unit.framework.common import test_constants
-
-_REQUEST = b''
-_RESPONSE = b''
-
-_UNARY_UNARY = '/test/UnaryUnary'
-_UNARY_STREAM = '/test/UnaryStream'
-_STREAM_UNARY = '/test/StreamUnary'
-_STREAM_STREAM = '/test/StreamStream'
-
-
-def handle_unary_unary(request, servicer_context):
-    return _RESPONSE
-
-
-def handle_unary_stream(request, servicer_context):
-    for _ in range(test_constants.STREAM_LENGTH):
-        yield _RESPONSE
-
-
-def handle_stream_unary(request_iterator, servicer_context):
-    for request in request_iterator:
-        pass
-    return _RESPONSE
-
-
-def handle_stream_stream(request_iterator, servicer_context):
-    for request in request_iterator:
-        yield _RESPONSE
-
-
-class _MethodHandler(grpc.RpcMethodHandler):
-
-    def __init__(self, request_streaming, response_streaming):
-        self.request_streaming = request_streaming
-        self.response_streaming = response_streaming
-        self.request_deserializer = None
-        self.response_serializer = None
-        self.unary_unary = None
-        self.unary_stream = None
-        self.stream_unary = None
-        self.stream_stream = None
-        if self.request_streaming and self.response_streaming:
-            self.stream_stream = handle_stream_stream
-        elif self.request_streaming:
-            self.stream_unary = handle_stream_unary
-        elif self.response_streaming:
-            self.unary_stream = handle_unary_stream
-        else:
-            self.unary_unary = handle_unary_unary
-
-
-class _GenericHandler(grpc.GenericRpcHandler):
-
-    def service(self, handler_call_details):
-        if handler_call_details.method == _UNARY_UNARY:
-            return _MethodHandler(False, False)
-        elif handler_call_details.method == _UNARY_STREAM:
-            return _MethodHandler(False, True)
-        elif handler_call_details.method == _STREAM_UNARY:
-            return _MethodHandler(True, False)
-        elif handler_call_details.method == _STREAM_STREAM:
-            return _MethodHandler(True, True)
-        else:
-            return None
-
-
-class EmptyMessageTest(unittest.TestCase):
-
-    def setUp(self):
-        self._server = test_common.test_server()
-        self._server.add_generic_rpc_handlers((_GenericHandler(),))
-        port = self._server.add_insecure_port('[::]:0')
-        self._server.start()
-        self._channel = grpc.insecure_channel('localhost:%d' % port)
-
-    def tearDown(self):
-        self._server.stop(0)
-        self._channel.close()
-
-    def testUnaryUnary(self):
-        response = self._channel.unary_unary(_UNARY_UNARY)(_REQUEST)
-        self.assertEqual(_RESPONSE, response)
-
-    def testUnaryStream(self):
-        response_iterator = self._channel.unary_stream(_UNARY_STREAM)(_REQUEST)
-        self.assertSequenceEqual([_RESPONSE] * test_constants.STREAM_LENGTH,
-                                 list(response_iterator))
-
-    def testStreamUnary(self):
-        response = self._channel.stream_unary(_STREAM_UNARY)(iter(
-            [_REQUEST] * test_constants.STREAM_LENGTH))
-        self.assertEqual(_RESPONSE, response)
-
-    def testStreamStream(self):
-        response_iterator = self._channel.stream_stream(_STREAM_STREAM)(iter(
-            [_REQUEST] * test_constants.STREAM_LENGTH))
-        self.assertSequenceEqual([_RESPONSE] * test_constants.STREAM_LENGTH,
-                                 list(response_iterator))
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_error_message_encoding_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_error_message_encoding_test.py
deleted file mode 100644
index e58007ad3ed..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_error_message_encoding_test.py
+++ /dev/null
@@ -1,87 +0,0 @@
-# Copyright 2018 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests 'utf-8' encoded error message."""
-
-import unittest
-import weakref
-
-import grpc
-
-from tests.unit import test_common
-from tests.unit.framework.common import test_constants
-
-_UNICODE_ERROR_MESSAGES = [
-    b'\xe2\x80\x9d'.decode('utf-8'),
-    b'abc\x80\xd0\xaf'.decode('latin-1'),
-    b'\xc3\xa9'.decode('utf-8'),
-]
-
-_REQUEST = b'\x00\x00\x00'
-_RESPONSE = b'\x00\x00\x00'
-
-_UNARY_UNARY = '/test/UnaryUnary'
-
-
-class _MethodHandler(grpc.RpcMethodHandler):
-
-    def __init__(self, request_streaming=None, response_streaming=None):
-        self.request_streaming = request_streaming
-        self.response_streaming = response_streaming
-        self.request_deserializer = None
-        self.response_serializer = None
-        self.unary_stream = None
-        self.stream_unary = None
-        self.stream_stream = None
-
-    def unary_unary(self, request, servicer_context):
-        servicer_context.set_code(grpc.StatusCode.UNKNOWN)
-        servicer_context.set_details(request.decode('utf-8'))
-        return _RESPONSE
-
-
-class _GenericHandler(grpc.GenericRpcHandler):
-
-    def __init__(self, test):
-        self._test = test
-
-    def service(self, handler_call_details):
-        return _MethodHandler()
-
-
-class ErrorMessageEncodingTest(unittest.TestCase):
-
-    def setUp(self):
-        self._server = test_common.test_server()
-        self._server.add_generic_rpc_handlers(
-            (_GenericHandler(weakref.proxy(self)),))
-        port = self._server.add_insecure_port('[::]:0')
-        self._server.start()
-        self._channel = grpc.insecure_channel('localhost:%d' % port)
-
-    def tearDown(self):
-        self._server.stop(0)
-        self._channel.close()
-
-    def testMessageEncoding(self):
-        for message in _UNICODE_ERROR_MESSAGES:
-            multi_callable = self._channel.unary_unary(_UNARY_UNARY)
-            with self.assertRaises(grpc.RpcError) as cm:
-                multi_callable(message.encode('utf-8'))
-
-            self.assertEqual(cm.exception.code(), grpc.StatusCode.UNKNOWN)
-            self.assertEqual(cm.exception.details(), message)
-
-
-if __name__ == '__main__':
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_exit_scenarios.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_exit_scenarios.py
deleted file mode 100644
index 301afb6c27c..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_exit_scenarios.py
+++ /dev/null
@@ -1,236 +0,0 @@
-# Copyright 2016 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Defines a number of module-scope gRPC scenarios to test clean exit."""
-
-import argparse
-import logging
-import threading
-import time
-
-import grpc
-
-from tests.unit.framework.common import test_constants
-
-WAIT_TIME = 1000
-
-REQUEST = b'request'
-
-UNSTARTED_SERVER = 'unstarted_server'
-RUNNING_SERVER = 'running_server'
-POLL_CONNECTIVITY_NO_SERVER = 'poll_connectivity_no_server'
-POLL_CONNECTIVITY = 'poll_connectivity'
-IN_FLIGHT_UNARY_UNARY_CALL = 'in_flight_unary_unary_call'
-IN_FLIGHT_UNARY_STREAM_CALL = 'in_flight_unary_stream_call'
-IN_FLIGHT_STREAM_UNARY_CALL = 'in_flight_stream_unary_call'
-IN_FLIGHT_STREAM_STREAM_CALL = 'in_flight_stream_stream_call'
-IN_FLIGHT_PARTIAL_UNARY_STREAM_CALL = 'in_flight_partial_unary_stream_call'
-IN_FLIGHT_PARTIAL_STREAM_UNARY_CALL = 'in_flight_partial_stream_unary_call'
-IN_FLIGHT_PARTIAL_STREAM_STREAM_CALL = 'in_flight_partial_stream_stream_call'
-
-UNARY_UNARY = b'/test/UnaryUnary'
-UNARY_STREAM = b'/test/UnaryStream'
-STREAM_UNARY = b'/test/StreamUnary'
-STREAM_STREAM = b'/test/StreamStream'
-PARTIAL_UNARY_STREAM = b'/test/PartialUnaryStream'
-PARTIAL_STREAM_UNARY = b'/test/PartialStreamUnary'
-PARTIAL_STREAM_STREAM = b'/test/PartialStreamStream'
-
-TEST_TO_METHOD = {
-    IN_FLIGHT_UNARY_UNARY_CALL: UNARY_UNARY,
-    IN_FLIGHT_UNARY_STREAM_CALL: UNARY_STREAM,
-    IN_FLIGHT_STREAM_UNARY_CALL: STREAM_UNARY,
-    IN_FLIGHT_STREAM_STREAM_CALL: STREAM_STREAM,
-    IN_FLIGHT_PARTIAL_UNARY_STREAM_CALL: PARTIAL_UNARY_STREAM,
-    IN_FLIGHT_PARTIAL_STREAM_UNARY_CALL: PARTIAL_STREAM_UNARY,
-    IN_FLIGHT_PARTIAL_STREAM_STREAM_CALL: PARTIAL_STREAM_STREAM,
-}
-
-
-def hang_unary_unary(request, servicer_context):
-    time.sleep(WAIT_TIME)
-
-
-def hang_unary_stream(request, servicer_context):
-    time.sleep(WAIT_TIME)
-
-
-def hang_partial_unary_stream(request, servicer_context):
-    for _ in range(test_constants.STREAM_LENGTH // 2):
-        yield request
-    time.sleep(WAIT_TIME)
-
-
-def hang_stream_unary(request_iterator, servicer_context):
-    time.sleep(WAIT_TIME)
-
-
-def hang_partial_stream_unary(request_iterator, servicer_context):
-    for _ in range(test_constants.STREAM_LENGTH // 2):
-        next(request_iterator)
-    time.sleep(WAIT_TIME)
-
-
-def hang_stream_stream(request_iterator, servicer_context):
-    time.sleep(WAIT_TIME)
-
-
-def hang_partial_stream_stream(request_iterator, servicer_context):
-    for _ in range(test_constants.STREAM_LENGTH // 2):
-        yield next(request_iterator)  #pylint: disable=stop-iteration-return
-    time.sleep(WAIT_TIME)
-
-
-class MethodHandler(grpc.RpcMethodHandler):
-
-    def __init__(self, request_streaming, response_streaming, partial_hang):
-        self.request_streaming = request_streaming
-        self.response_streaming = response_streaming
-        self.request_deserializer = None
-        self.response_serializer = None
-        self.unary_unary = None
-        self.unary_stream = None
-        self.stream_unary = None
-        self.stream_stream = None
-        if self.request_streaming and self.response_streaming:
-            if partial_hang:
-                self.stream_stream = hang_partial_stream_stream
-            else:
-                self.stream_stream = hang_stream_stream
-        elif self.request_streaming:
-            if partial_hang:
-                self.stream_unary = hang_partial_stream_unary
-            else:
-                self.stream_unary = hang_stream_unary
-        elif self.response_streaming:
-            if partial_hang:
-                self.unary_stream = hang_partial_unary_stream
-            else:
-                self.unary_stream = hang_unary_stream
-        else:
-            self.unary_unary = hang_unary_unary
-
-
-class GenericHandler(grpc.GenericRpcHandler):
-
-    def service(self, handler_call_details):
-        if handler_call_details.method == UNARY_UNARY:
-            return MethodHandler(False, False, False)
-        elif handler_call_details.method == UNARY_STREAM:
-            return MethodHandler(False, True, False)
-        elif handler_call_details.method == STREAM_UNARY:
-            return MethodHandler(True, False, False)
-        elif handler_call_details.method == STREAM_STREAM:
-            return MethodHandler(True, True, False)
-        elif handler_call_details.method == PARTIAL_UNARY_STREAM:
-            return MethodHandler(False, True, True)
-        elif handler_call_details.method == PARTIAL_STREAM_UNARY:
-            return MethodHandler(True, False, True)
-        elif handler_call_details.method == PARTIAL_STREAM_STREAM:
-            return MethodHandler(True, True, True)
-        else:
-            return None
-
-
-# Traditional executors will not exit until all their
-# current jobs complete.  Because we submit jobs that will
-# never finish, we don't want to block exit on these jobs.
-class DaemonPool(object):
-
-    def submit(self, fn, *args, **kwargs):
-        thread = threading.Thread(target=fn, args=args, kwargs=kwargs)
-        thread.daemon = True
-        thread.start()
-
-    def shutdown(self, wait=True):
-        pass
-
-
-def infinite_request_iterator():
-    while True:
-        yield REQUEST
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    parser = argparse.ArgumentParser()
-    parser.add_argument('scenario', type=str)
-    parser.add_argument('--wait_for_interrupt',
-                        dest='wait_for_interrupt',
-                        action='store_true')
-    args = parser.parse_args()
-
-    if args.scenario == UNSTARTED_SERVER:
-        server = grpc.server(DaemonPool(), options=(('grpc.so_reuseport', 0),))
-        if args.wait_for_interrupt:
-            time.sleep(WAIT_TIME)
-    elif args.scenario == RUNNING_SERVER:
-        server = grpc.server(DaemonPool(), options=(('grpc.so_reuseport', 0),))
-        port = server.add_insecure_port('[::]:0')
-        server.start()
-        if args.wait_for_interrupt:
-            time.sleep(WAIT_TIME)
-    elif args.scenario == POLL_CONNECTIVITY_NO_SERVER:
-        channel = grpc.insecure_channel('localhost:12345')
-
-        def connectivity_callback(connectivity):
-            pass
-
-        channel.subscribe(connectivity_callback, try_to_connect=True)
-        if args.wait_for_interrupt:
-            time.sleep(WAIT_TIME)
-    elif args.scenario == POLL_CONNECTIVITY:
-        server = grpc.server(DaemonPool(), options=(('grpc.so_reuseport', 0),))
-        port = server.add_insecure_port('[::]:0')
-        server.start()
-        channel = grpc.insecure_channel('localhost:%d' % port)
-
-        def connectivity_callback(connectivity):
-            pass
-
-        channel.subscribe(connectivity_callback, try_to_connect=True)
-        if args.wait_for_interrupt:
-            time.sleep(WAIT_TIME)
-
-    else:
-        handler = GenericHandler()
-        server = grpc.server(DaemonPool(), options=(('grpc.so_reuseport', 0),))
-        port = server.add_insecure_port('[::]:0')
-        server.add_generic_rpc_handlers((handler,))
-        server.start()
-        channel = grpc.insecure_channel('localhost:%d' % port)
-
-        method = TEST_TO_METHOD[args.scenario]
-
-        if args.scenario == IN_FLIGHT_UNARY_UNARY_CALL:
-            multi_callable = channel.unary_unary(method)
-            future = multi_callable.future(REQUEST)
-            result, call = multi_callable.with_call(REQUEST)
-        elif (args.scenario == IN_FLIGHT_UNARY_STREAM_CALL or
-              args.scenario == IN_FLIGHT_PARTIAL_UNARY_STREAM_CALL):
-            multi_callable = channel.unary_stream(method)
-            response_iterator = multi_callable(REQUEST)
-            for response in response_iterator:
-                pass
-        elif (args.scenario == IN_FLIGHT_STREAM_UNARY_CALL or
-              args.scenario == IN_FLIGHT_PARTIAL_STREAM_UNARY_CALL):
-            multi_callable = channel.stream_unary(method)
-            future = multi_callable.future(infinite_request_iterator())
-            result, call = multi_callable.with_call(
-                iter([REQUEST] * test_constants.STREAM_LENGTH))
-        elif (args.scenario == IN_FLIGHT_STREAM_STREAM_CALL or
-              args.scenario == IN_FLIGHT_PARTIAL_STREAM_STREAM_CALL):
-            multi_callable = channel.stream_stream(method)
-            response_iterator = multi_callable(infinite_request_iterator())
-            for response in response_iterator:
-                pass
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_exit_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_exit_test.py
deleted file mode 100644
index eaf32278898..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_exit_test.py
+++ /dev/null
@@ -1,262 +0,0 @@
-# Copyright 2016 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests clean exit of server/client on Python Interpreter exit/sigint.
-
-The tests in this module spawn a subprocess for each test case, the
-test is considered successful if it doesn't freeze/timeout.
-"""
-
-import atexit
-import datetime
-import logging
-import os
-import signal
-import subprocess
-import sys
-import threading
-import time
-import unittest
-
-import six
-
-from tests.unit import _exit_scenarios
-
-# SCENARIO_FILE = os.path.abspath(
-#     os.path.join(os.path.dirname(os.path.realpath(__file__)),
-#                  '_exit_scenarios.py'))
-INTERPRETER = sys.executable
-BASE_COMMAND = [INTERPRETER, '-m', 'tests.unit._exit_scenarios']
-BASE_SIGTERM_COMMAND = BASE_COMMAND + ['--wait_for_interrupt']
-
-INIT_TIME = datetime.timedelta(seconds=1)
-WAIT_CHECK_INTERVAL = datetime.timedelta(milliseconds=100)
-WAIT_CHECK_DEFAULT_TIMEOUT = datetime.timedelta(seconds=5)
-
-processes = []
-process_lock = threading.Lock()
-
-
-# Make sure we attempt to clean up any
-# processes we may have left running
-def cleanup_processes():
-    with process_lock:
-        for process in processes:
-            try:
-                process.kill()
-            except Exception:  # pylint: disable=broad-except
-                pass
-
-
-atexit.register(cleanup_processes)
-
-
-def _process_wait_with_timeout(process, timeout=WAIT_CHECK_DEFAULT_TIMEOUT):
-    """A funciton to mimic 3.3+ only timeout argument in process.wait."""
-    deadline = datetime.datetime.now() + timeout
-    while (process.poll() is None) and (datetime.datetime.now() < deadline):
-        time.sleep(WAIT_CHECK_INTERVAL.total_seconds())
-    if process.returncode is None:
-        raise RuntimeError('Process failed to exit within %s' % timeout)
-
-
-def interrupt_and_wait(process):
-    with process_lock:
-        processes.append(process)
-    time.sleep(INIT_TIME.total_seconds())
-    os.kill(process.pid, signal.SIGINT)
-    _process_wait_with_timeout(process)
-
-
-def wait(process):
-    with process_lock:
-        processes.append(process)
-    _process_wait_with_timeout(process)
-
-
-# TODO(lidiz) enable exit tests once the root cause found.
-@unittest.skip('https://github.com/grpc/grpc/issues/23982')
-@unittest.skip('https://github.com/grpc/grpc/issues/23028')
-class ExitTest(unittest.TestCase):
-
-    def test_unstarted_server(self):
-        env = os.environ.copy()
-        env['Y_PYTHON_ENTRY_POINT'] = ':main'
-        process = subprocess.Popen(BASE_COMMAND +
-                                   [_exit_scenarios.UNSTARTED_SERVER],
-                                   stdout=sys.stdout,
-                                   stderr=sys.stderr,
-                                   env=env)
-        wait(process)
-
-    def test_unstarted_server_terminate(self):
-        env = os.environ.copy()
-        env['Y_PYTHON_ENTRY_POINT'] = ':main'
-        process = subprocess.Popen(BASE_SIGTERM_COMMAND +
-                                   [_exit_scenarios.UNSTARTED_SERVER],
-                                   stdout=sys.stdout,
-                                   env=env)
-        interrupt_and_wait(process)
-
-    def test_running_server(self):
-        env = os.environ.copy()
-        env['Y_PYTHON_ENTRY_POINT'] = ':main'
-        process = subprocess.Popen(BASE_COMMAND +
-                                   [_exit_scenarios.RUNNING_SERVER],
-                                   stdout=sys.stdout,
-                                   stderr=sys.stderr,
-                                   env=env)
-        wait(process)
-
-    def test_running_server_terminate(self):
-        env = os.environ.copy()
-        env['Y_PYTHON_ENTRY_POINT'] = ':main'
-        process = subprocess.Popen(BASE_SIGTERM_COMMAND +
-                                   [_exit_scenarios.RUNNING_SERVER],
-                                   stdout=sys.stdout,
-                                   stderr=sys.stderr,
-                                   env=env)
-        interrupt_and_wait(process)
-
-    def test_poll_connectivity_no_server(self):
-        env = os.environ.copy()
-        env['Y_PYTHON_ENTRY_POINT'] = ':main'
-        process = subprocess.Popen(
-            BASE_COMMAND + [_exit_scenarios.POLL_CONNECTIVITY_NO_SERVER],
-            stdout=sys.stdout,
-            stderr=sys.stderr,
-            env=env)
-        wait(process)
-
-    def test_poll_connectivity_no_server_terminate(self):
-        env = os.environ.copy()
-        env['Y_PYTHON_ENTRY_POINT'] = ':main'
-        process = subprocess.Popen(
-            BASE_SIGTERM_COMMAND +
-            [_exit_scenarios.POLL_CONNECTIVITY_NO_SERVER],
-            stdout=sys.stdout,
-            stderr=sys.stderr,
-            env=env)
-        interrupt_and_wait(process)
-
-    def test_poll_connectivity(self):
-        env = os.environ.copy()
-        env['Y_PYTHON_ENTRY_POINT'] = ':main'
-        process = subprocess.Popen(BASE_COMMAND +
-                                   [_exit_scenarios.POLL_CONNECTIVITY],
-                                   stdout=sys.stdout,
-                                   stderr=sys.stderr,
-                                   env=env)
-        wait(process)
-
-    def test_poll_connectivity_terminate(self):
-        env = os.environ.copy()
-        env['Y_PYTHON_ENTRY_POINT'] = ':main'
-        process = subprocess.Popen(BASE_SIGTERM_COMMAND +
-                                   [_exit_scenarios.POLL_CONNECTIVITY],
-                                   stdout=sys.stdout,
-                                   stderr=sys.stderr,
-                                   env=env)
-        interrupt_and_wait(process)
-
-    @unittest.skipIf(os.name == 'nt',
-                     'os.kill does not have required permission on Windows')
-    def test_in_flight_unary_unary_call(self):
-        env = os.environ.copy()
-        env['Y_PYTHON_ENTRY_POINT'] = ':main'
-        process = subprocess.Popen(BASE_COMMAND +
-                                   [_exit_scenarios.IN_FLIGHT_UNARY_UNARY_CALL],
-                                   stdout=sys.stdout,
-                                   stderr=sys.stderr,
-                                   env=env)
-        interrupt_and_wait(process)
-
-    @unittest.skipIf(os.name == 'nt',
-                     'os.kill does not have required permission on Windows')
-    def test_in_flight_unary_stream_call(self):
-        env = os.environ.copy()
-        env['Y_PYTHON_ENTRY_POINT'] = ':main'
-        process = subprocess.Popen(
-            BASE_COMMAND + [_exit_scenarios.IN_FLIGHT_UNARY_STREAM_CALL],
-            stdout=sys.stdout,
-            stderr=sys.stderr,
-            env=env)
-        interrupt_and_wait(process)
-
-    @unittest.skipIf(os.name == 'nt',
-                     'os.kill does not have required permission on Windows')
-    def test_in_flight_stream_unary_call(self):
-        env = os.environ.copy()
-        env['Y_PYTHON_ENTRY_POINT'] = ':main'
-        process = subprocess.Popen(
-            BASE_COMMAND + [_exit_scenarios.IN_FLIGHT_STREAM_UNARY_CALL],
-            stdout=sys.stdout,
-            stderr=sys.stderr,
-            env=env)
-        interrupt_and_wait(process)
-
-    @unittest.skipIf(os.name == 'nt',
-                     'os.kill does not have required permission on Windows')
-    def test_in_flight_stream_stream_call(self):
-        env = os.environ.copy()
-        env['Y_PYTHON_ENTRY_POINT'] = ':main'
-        process = subprocess.Popen(
-            BASE_COMMAND + [_exit_scenarios.IN_FLIGHT_STREAM_STREAM_CALL],
-            stdout=sys.stdout,
-            stderr=sys.stderr,
-            env=env)
-        interrupt_and_wait(process)
-
-    @unittest.skipIf(os.name == 'nt',
-                     'os.kill does not have required permission on Windows')
-    def test_in_flight_partial_unary_stream_call(self):
-        env = os.environ.copy()
-        env['Y_PYTHON_ENTRY_POINT'] = ':main'
-        process = subprocess.Popen(
-            BASE_COMMAND +
-            [_exit_scenarios.IN_FLIGHT_PARTIAL_UNARY_STREAM_CALL],
-            stdout=sys.stdout,
-            stderr=sys.stderr,
-            env=env)
-        interrupt_and_wait(process)
-
-    @unittest.skipIf(os.name == 'nt',
-                     'os.kill does not have required permission on Windows')
-    def test_in_flight_partial_stream_unary_call(self):
-        env = os.environ.copy()
-        env['Y_PYTHON_ENTRY_POINT'] = ':main'
-        process = subprocess.Popen(
-            BASE_COMMAND +
-            [_exit_scenarios.IN_FLIGHT_PARTIAL_STREAM_UNARY_CALL],
-            stdout=sys.stdout,
-            stderr=sys.stderr,
-            env=env)
-        interrupt_and_wait(process)
-
-    @unittest.skipIf(os.name == 'nt',
-                     'os.kill does not have required permission on Windows')
-    def test_in_flight_partial_stream_stream_call(self):
-        env = os.environ.copy()
-        env['Y_PYTHON_ENTRY_POINT'] = ':main'
-        process = subprocess.Popen(
-            BASE_COMMAND +
-            [_exit_scenarios.IN_FLIGHT_PARTIAL_STREAM_STREAM_CALL],
-            stdout=sys.stdout,
-            stderr=sys.stderr,
-            env=env)
-        interrupt_and_wait(process)
-
-
-if __name__ == '__main__':
-    logging.basicConfig(level=logging.DEBUG)
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_from_grpc_import_star.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_from_grpc_import_star.py
deleted file mode 100644
index 1ada25382de..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_from_grpc_import_star.py
+++ /dev/null
@@ -1,23 +0,0 @@
-# Copyright 2016 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-_BEFORE_IMPORT = tuple(globals())
-
-from grpc import *  # pylint: disable=wildcard-import,unused-wildcard-import
-
-_AFTER_IMPORT = tuple(globals())
-
-GRPC_ELEMENTS = tuple(
-    element for element in _AFTER_IMPORT
-    if element not in _BEFORE_IMPORT and element != '_BEFORE_IMPORT')
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_grpc_shutdown_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_grpc_shutdown_test.py
deleted file mode 100644
index b1f43e061b0..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_grpc_shutdown_test.py
+++ /dev/null
@@ -1,54 +0,0 @@
-# Copyright 2019 The gRPC Authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests the gRPC Core shutdown path."""
-
-import datetime
-import threading
-import time
-import unittest
-
-import grpc
-
-_TIMEOUT_FOR_SEGFAULT = datetime.timedelta(seconds=10)
-
-
-class GrpcShutdownTest(unittest.TestCase):
-
-    def test_channel_close_with_connectivity_watcher(self):
-        """Originated by https://github.com/grpc/grpc/issues/20299.
-
-        The grpc_shutdown happens synchronously, but there might be Core object
-        references left in Cython which might lead to ABORT or SIGSEGV.
-        """
-        connection_failed = threading.Event()
-
-        def on_state_change(state):
-            if state in (grpc.ChannelConnectivity.TRANSIENT_FAILURE,
-                         grpc.ChannelConnectivity.SHUTDOWN):
-                connection_failed.set()
-
-        # Connects to an void address, and subscribes state changes
-        channel = grpc.insecure_channel("0.1.1.1:12345")
-        channel.subscribe(on_state_change, True)
-
-        deadline = datetime.datetime.now() + _TIMEOUT_FOR_SEGFAULT
-
-        while datetime.datetime.now() < deadline:
-            time.sleep(0.1)
-            if connection_failed.is_set():
-                channel.close()
-
-
-if __name__ == '__main__':
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_interceptor_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_interceptor_test.py
deleted file mode 100644
index d8f3c90f415..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_interceptor_test.py
+++ /dev/null
@@ -1,708 +0,0 @@
-# Copyright 2017 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Test of gRPC Python interceptors."""
-
-import collections
-from concurrent import futures
-import itertools
-import logging
-import os
-import threading
-import unittest
-
-import grpc
-from grpc.framework.foundation import logging_pool
-
-from tests.unit import test_common
-from tests.unit.framework.common import test_constants
-from tests.unit.framework.common import test_control
-
-_SERIALIZE_REQUEST = lambda bytestring: bytestring * 2
-_DESERIALIZE_REQUEST = lambda bytestring: bytestring[len(bytestring) // 2:]
-_SERIALIZE_RESPONSE = lambda bytestring: bytestring * 3
-_DESERIALIZE_RESPONSE = lambda bytestring: bytestring[:len(bytestring) // 3]
-
-_EXCEPTION_REQUEST = b'\x09\x0a'
-
-_UNARY_UNARY = '/test/UnaryUnary'
-_UNARY_STREAM = '/test/UnaryStream'
-_STREAM_UNARY = '/test/StreamUnary'
-_STREAM_STREAM = '/test/StreamStream'
-
-
-class _ApplicationErrorStandin(Exception):
-    pass
-
-
-class _Callback(object):
-
-    def __init__(self):
-        self._condition = threading.Condition()
-        self._value = None
-        self._called = False
-
-    def __call__(self, value):
-        with self._condition:
-            self._value = value
-            self._called = True
-            self._condition.notify_all()
-
-    def value(self):
-        with self._condition:
-            while not self._called:
-                self._condition.wait()
-            return self._value
-
-
-class _Handler(object):
-
-    def __init__(self, control):
-        self._control = control
-
-    def handle_unary_unary(self, request, servicer_context):
-        self._control.control()
-        if servicer_context is not None:
-            servicer_context.set_trailing_metadata(((
-                'testkey',
-                'testvalue',
-            ),))
-        if request == _EXCEPTION_REQUEST:
-            raise _ApplicationErrorStandin()
-        return request
-
-    def handle_unary_stream(self, request, servicer_context):
-        if request == _EXCEPTION_REQUEST:
-            raise _ApplicationErrorStandin()
-        for _ in range(test_constants.STREAM_LENGTH):
-            self._control.control()
-            yield request
-        self._control.control()
-        if servicer_context is not None:
-            servicer_context.set_trailing_metadata(((
-                'testkey',
-                'testvalue',
-            ),))
-
-    def handle_stream_unary(self, request_iterator, servicer_context):
-        if servicer_context is not None:
-            servicer_context.invocation_metadata()
-        self._control.control()
-        response_elements = []
-        for request in request_iterator:
-            self._control.control()
-            response_elements.append(request)
-        self._control.control()
-        if servicer_context is not None:
-            servicer_context.set_trailing_metadata(((
-                'testkey',
-                'testvalue',
-            ),))
-        if _EXCEPTION_REQUEST in response_elements:
-            raise _ApplicationErrorStandin()
-        return b''.join(response_elements)
-
-    def handle_stream_stream(self, request_iterator, servicer_context):
-        self._control.control()
-        if servicer_context is not None:
-            servicer_context.set_trailing_metadata(((
-                'testkey',
-                'testvalue',
-            ),))
-        for request in request_iterator:
-            if request == _EXCEPTION_REQUEST:
-                raise _ApplicationErrorStandin()
-            self._control.control()
-            yield request
-        self._control.control()
-
-
-class _MethodHandler(grpc.RpcMethodHandler):
-
-    def __init__(self, request_streaming, response_streaming,
-                 request_deserializer, response_serializer, unary_unary,
-                 unary_stream, stream_unary, stream_stream):
-        self.request_streaming = request_streaming
-        self.response_streaming = response_streaming
-        self.request_deserializer = request_deserializer
-        self.response_serializer = response_serializer
-        self.unary_unary = unary_unary
-        self.unary_stream = unary_stream
-        self.stream_unary = stream_unary
-        self.stream_stream = stream_stream
-
-
-class _GenericHandler(grpc.GenericRpcHandler):
-
-    def __init__(self, handler):
-        self._handler = handler
-
-    def service(self, handler_call_details):
-        if handler_call_details.method == _UNARY_UNARY:
-            return _MethodHandler(False, False, None, None,
-                                  self._handler.handle_unary_unary, None, None,
-                                  None)
-        elif handler_call_details.method == _UNARY_STREAM:
-            return _MethodHandler(False, True, _DESERIALIZE_REQUEST,
-                                  _SERIALIZE_RESPONSE, None,
-                                  self._handler.handle_unary_stream, None, None)
-        elif handler_call_details.method == _STREAM_UNARY:
-            return _MethodHandler(True, False, _DESERIALIZE_REQUEST,
-                                  _SERIALIZE_RESPONSE, None, None,
-                                  self._handler.handle_stream_unary, None)
-        elif handler_call_details.method == _STREAM_STREAM:
-            return _MethodHandler(True, True, None, None, None, None, None,
-                                  self._handler.handle_stream_stream)
-        else:
-            return None
-
-
-def _unary_unary_multi_callable(channel):
-    return channel.unary_unary(_UNARY_UNARY)
-
-
-def _unary_stream_multi_callable(channel):
-    return channel.unary_stream(_UNARY_STREAM,
-                                request_serializer=_SERIALIZE_REQUEST,
-                                response_deserializer=_DESERIALIZE_RESPONSE)
-
-
-def _stream_unary_multi_callable(channel):
-    return channel.stream_unary(_STREAM_UNARY,
-                                request_serializer=_SERIALIZE_REQUEST,
-                                response_deserializer=_DESERIALIZE_RESPONSE)
-
-
-def _stream_stream_multi_callable(channel):
-    return channel.stream_stream(_STREAM_STREAM)
-
-
-class _ClientCallDetails(
-        collections.namedtuple(
-            '_ClientCallDetails',
-            ('method', 'timeout', 'metadata', 'credentials')),
-        grpc.ClientCallDetails):
-    pass
-
-
-class _GenericClientInterceptor(grpc.UnaryUnaryClientInterceptor,
-                                grpc.UnaryStreamClientInterceptor,
-                                grpc.StreamUnaryClientInterceptor,
-                                grpc.StreamStreamClientInterceptor):
-
-    def __init__(self, interceptor_function):
-        self._fn = interceptor_function
-
-    def intercept_unary_unary(self, continuation, client_call_details, request):
-        new_details, new_request_iterator, postprocess = self._fn(
-            client_call_details, iter((request,)), False, False)
-        response = continuation(new_details, next(new_request_iterator))
-        return postprocess(response) if postprocess else response
-
-    def intercept_unary_stream(self, continuation, client_call_details,
-                               request):
-        new_details, new_request_iterator, postprocess = self._fn(
-            client_call_details, iter((request,)), False, True)
-        response_it = continuation(new_details, new_request_iterator)
-        return postprocess(response_it) if postprocess else response_it
-
-    def intercept_stream_unary(self, continuation, client_call_details,
-                               request_iterator):
-        new_details, new_request_iterator, postprocess = self._fn(
-            client_call_details, request_iterator, True, False)
-        response = continuation(new_details, next(new_request_iterator))
-        return postprocess(response) if postprocess else response
-
-    def intercept_stream_stream(self, continuation, client_call_details,
-                                request_iterator):
-        new_details, new_request_iterator, postprocess = self._fn(
-            client_call_details, request_iterator, True, True)
-        response_it = continuation(new_details, new_request_iterator)
-        return postprocess(response_it) if postprocess else response_it
-
-
-class _LoggingInterceptor(grpc.ServerInterceptor,
-                          grpc.UnaryUnaryClientInterceptor,
-                          grpc.UnaryStreamClientInterceptor,
-                          grpc.StreamUnaryClientInterceptor,
-                          grpc.StreamStreamClientInterceptor):
-
-    def __init__(self, tag, record):
-        self.tag = tag
-        self.record = record
-
-    def intercept_service(self, continuation, handler_call_details):
-        self.record.append(self.tag + ':intercept_service')
-        return continuation(handler_call_details)
-
-    def intercept_unary_unary(self, continuation, client_call_details, request):
-        self.record.append(self.tag + ':intercept_unary_unary')
-        result = continuation(client_call_details, request)
-        assert isinstance(
-            result,
-            grpc.Call), '{} ({}) is not an instance of grpc.Call'.format(
-                result, type(result))
-        assert isinstance(
-            result,
-            grpc.Future), '{} ({}) is not an instance of grpc.Future'.format(
-                result, type(result))
-        return result
-
-    def intercept_unary_stream(self, continuation, client_call_details,
-                               request):
-        self.record.append(self.tag + ':intercept_unary_stream')
-        return continuation(client_call_details, request)
-
-    def intercept_stream_unary(self, continuation, client_call_details,
-                               request_iterator):
-        self.record.append(self.tag + ':intercept_stream_unary')
-        result = continuation(client_call_details, request_iterator)
-        assert isinstance(
-            result,
-            grpc.Call), '{} is not an instance of grpc.Call'.format(result)
-        assert isinstance(
-            result,
-            grpc.Future), '{} is not an instance of grpc.Future'.format(result)
-        return result
-
-    def intercept_stream_stream(self, continuation, client_call_details,
-                                request_iterator):
-        self.record.append(self.tag + ':intercept_stream_stream')
-        return continuation(client_call_details, request_iterator)
-
-
-class _DefectiveClientInterceptor(grpc.UnaryUnaryClientInterceptor):
-
-    def intercept_unary_unary(self, ignored_continuation,
-                              ignored_client_call_details, ignored_request):
-        raise test_control.Defect()
-
-
-def _wrap_request_iterator_stream_interceptor(wrapper):
-
-    def intercept_call(client_call_details, request_iterator, request_streaming,
-                       ignored_response_streaming):
-        if request_streaming:
-            return client_call_details, wrapper(request_iterator), None
-        else:
-            return client_call_details, request_iterator, None
-
-    return _GenericClientInterceptor(intercept_call)
-
-
-def _append_request_header_interceptor(header, value):
-
-    def intercept_call(client_call_details, request_iterator,
-                       ignored_request_streaming, ignored_response_streaming):
-        metadata = []
-        if client_call_details.metadata:
-            metadata = list(client_call_details.metadata)
-        metadata.append((
-            header,
-            value,
-        ))
-        client_call_details = _ClientCallDetails(
-            client_call_details.method, client_call_details.timeout, metadata,
-            client_call_details.credentials)
-        return client_call_details, request_iterator, None
-
-    return _GenericClientInterceptor(intercept_call)
-
-
-class _GenericServerInterceptor(grpc.ServerInterceptor):
-
-    def __init__(self, fn):
-        self._fn = fn
-
-    def intercept_service(self, continuation, handler_call_details):
-        return self._fn(continuation, handler_call_details)
-
-
-def _filter_server_interceptor(condition, interceptor):
-
-    def intercept_service(continuation, handler_call_details):
-        if condition(handler_call_details):
-            return interceptor.intercept_service(continuation,
-                                                 handler_call_details)
-        return continuation(handler_call_details)
-
-    return _GenericServerInterceptor(intercept_service)
-
-
-class InterceptorTest(unittest.TestCase):
-
-    def setUp(self):
-        self._control = test_control.PauseFailControl()
-        self._handler = _Handler(self._control)
-        self._server_pool = logging_pool.pool(test_constants.THREAD_CONCURRENCY)
-
-        self._record = []
-        conditional_interceptor = _filter_server_interceptor(
-            lambda x: ('secret', '42') in x.invocation_metadata,
-            _LoggingInterceptor('s3', self._record))
-
-        self._server = grpc.server(self._server_pool,
-                                   options=(('grpc.so_reuseport', 0),),
-                                   interceptors=(
-                                       _LoggingInterceptor('s1', self._record),
-                                       conditional_interceptor,
-                                       _LoggingInterceptor('s2', self._record),
-                                   ))
-        port = self._server.add_insecure_port('[::]:0')
-        self._server.add_generic_rpc_handlers((_GenericHandler(self._handler),))
-        self._server.start()
-
-        self._channel = grpc.insecure_channel('localhost:%d' % port)
-
-    def tearDown(self):
-        self._server.stop(None)
-        self._server_pool.shutdown(wait=True)
-        self._channel.close()
-
-    def testTripleRequestMessagesClientInterceptor(self):
-
-        def triple(request_iterator):
-            while True:
-                try:
-                    item = next(request_iterator)
-                    yield item
-                    yield item
-                    yield item
-                except StopIteration:
-                    break
-
-        interceptor = _wrap_request_iterator_stream_interceptor(triple)
-        channel = grpc.intercept_channel(self._channel, interceptor)
-        requests = tuple(
-            b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
-
-        multi_callable = _stream_stream_multi_callable(channel)
-        response_iterator = multi_callable(
-            iter(requests),
-            metadata=(
-                ('test',
-                 'InterceptedStreamRequestBlockingUnaryResponseWithCall'),))
-
-        responses = tuple(response_iterator)
-        self.assertEqual(len(responses), 3 * test_constants.STREAM_LENGTH)
-
-        multi_callable = _stream_stream_multi_callable(self._channel)
-        response_iterator = multi_callable(
-            iter(requests),
-            metadata=(
-                ('test',
-                 'InterceptedStreamRequestBlockingUnaryResponseWithCall'),))
-
-        responses = tuple(response_iterator)
-        self.assertEqual(len(responses), test_constants.STREAM_LENGTH)
-
-    def testDefectiveClientInterceptor(self):
-        interceptor = _DefectiveClientInterceptor()
-        defective_channel = grpc.intercept_channel(self._channel, interceptor)
-
-        request = b'\x07\x08'
-
-        multi_callable = _unary_unary_multi_callable(defective_channel)
-        call_future = multi_callable.future(
-            request,
-            metadata=(('test',
-                       'InterceptedUnaryRequestBlockingUnaryResponse'),))
-
-        self.assertIsNotNone(call_future.exception())
-        self.assertEqual(call_future.code(), grpc.StatusCode.INTERNAL)
-
-    def testInterceptedHeaderManipulationWithServerSideVerification(self):
-        request = b'\x07\x08'
-
-        channel = grpc.intercept_channel(
-            self._channel, _append_request_header_interceptor('secret', '42'))
-        channel = grpc.intercept_channel(
-            channel, _LoggingInterceptor('c1', self._record),
-            _LoggingInterceptor('c2', self._record))
-
-        self._record[:] = []
-
-        multi_callable = _unary_unary_multi_callable(channel)
-        multi_callable.with_call(
-            request,
-            metadata=(
-                ('test',
-                 'InterceptedUnaryRequestBlockingUnaryResponseWithCall'),))
-
-        self.assertSequenceEqual(self._record, [
-            'c1:intercept_unary_unary', 'c2:intercept_unary_unary',
-            's1:intercept_service', 's3:intercept_service',
-            's2:intercept_service'
-        ])
-
-    def testInterceptedUnaryRequestBlockingUnaryResponse(self):
-        request = b'\x07\x08'
-
-        self._record[:] = []
-
-        channel = grpc.intercept_channel(
-            self._channel, _LoggingInterceptor('c1', self._record),
-            _LoggingInterceptor('c2', self._record))
-
-        multi_callable = _unary_unary_multi_callable(channel)
-        multi_callable(
-            request,
-            metadata=(('test',
-                       'InterceptedUnaryRequestBlockingUnaryResponse'),))
-
-        self.assertSequenceEqual(self._record, [
-            'c1:intercept_unary_unary', 'c2:intercept_unary_unary',
-            's1:intercept_service', 's2:intercept_service'
-        ])
-
-    def testInterceptedUnaryRequestBlockingUnaryResponseWithError(self):
-        request = _EXCEPTION_REQUEST
-
-        self._record[:] = []
-
-        channel = grpc.intercept_channel(
-            self._channel, _LoggingInterceptor('c1', self._record),
-            _LoggingInterceptor('c2', self._record))
-
-        multi_callable = _unary_unary_multi_callable(channel)
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            multi_callable(
-                request,
-                metadata=(('test',
-                           'InterceptedUnaryRequestBlockingUnaryResponse'),))
-        exception = exception_context.exception
-        self.assertFalse(exception.cancelled())
-        self.assertFalse(exception.running())
-        self.assertTrue(exception.done())
-        with self.assertRaises(grpc.RpcError):
-            exception.result()
-        self.assertIsInstance(exception.exception(), grpc.RpcError)
-
-    def testInterceptedUnaryRequestBlockingUnaryResponseWithCall(self):
-        request = b'\x07\x08'
-
-        channel = grpc.intercept_channel(
-            self._channel, _LoggingInterceptor('c1', self._record),
-            _LoggingInterceptor('c2', self._record))
-
-        self._record[:] = []
-
-        multi_callable = _unary_unary_multi_callable(channel)
-        multi_callable.with_call(
-            request,
-            metadata=(
-                ('test',
-                 'InterceptedUnaryRequestBlockingUnaryResponseWithCall'),))
-
-        self.assertSequenceEqual(self._record, [
-            'c1:intercept_unary_unary', 'c2:intercept_unary_unary',
-            's1:intercept_service', 's2:intercept_service'
-        ])
-
-    def testInterceptedUnaryRequestFutureUnaryResponse(self):
-        request = b'\x07\x08'
-
-        self._record[:] = []
-        channel = grpc.intercept_channel(
-            self._channel, _LoggingInterceptor('c1', self._record),
-            _LoggingInterceptor('c2', self._record))
-
-        multi_callable = _unary_unary_multi_callable(channel)
-        response_future = multi_callable.future(
-            request,
-            metadata=(('test', 'InterceptedUnaryRequestFutureUnaryResponse'),))
-        response_future.result()
-
-        self.assertSequenceEqual(self._record, [
-            'c1:intercept_unary_unary', 'c2:intercept_unary_unary',
-            's1:intercept_service', 's2:intercept_service'
-        ])
-
-    def testInterceptedUnaryRequestStreamResponse(self):
-        request = b'\x37\x58'
-
-        self._record[:] = []
-        channel = grpc.intercept_channel(
-            self._channel, _LoggingInterceptor('c1', self._record),
-            _LoggingInterceptor('c2', self._record))
-
-        multi_callable = _unary_stream_multi_callable(channel)
-        response_iterator = multi_callable(
-            request,
-            metadata=(('test', 'InterceptedUnaryRequestStreamResponse'),))
-        tuple(response_iterator)
-
-        self.assertSequenceEqual(self._record, [
-            'c1:intercept_unary_stream', 'c2:intercept_unary_stream',
-            's1:intercept_service', 's2:intercept_service'
-        ])
-
-    def testInterceptedUnaryRequestStreamResponseWithError(self):
-        request = _EXCEPTION_REQUEST
-
-        self._record[:] = []
-        channel = grpc.intercept_channel(
-            self._channel, _LoggingInterceptor('c1', self._record),
-            _LoggingInterceptor('c2', self._record))
-
-        multi_callable = _unary_stream_multi_callable(channel)
-        response_iterator = multi_callable(
-            request,
-            metadata=(('test', 'InterceptedUnaryRequestStreamResponse'),))
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            tuple(response_iterator)
-        exception = exception_context.exception
-        self.assertFalse(exception.cancelled())
-        self.assertFalse(exception.running())
-        self.assertTrue(exception.done())
-        with self.assertRaises(grpc.RpcError):
-            exception.result()
-        self.assertIsInstance(exception.exception(), grpc.RpcError)
-
-    def testInterceptedStreamRequestBlockingUnaryResponse(self):
-        requests = tuple(
-            b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
-        request_iterator = iter(requests)
-
-        self._record[:] = []
-        channel = grpc.intercept_channel(
-            self._channel, _LoggingInterceptor('c1', self._record),
-            _LoggingInterceptor('c2', self._record))
-
-        multi_callable = _stream_unary_multi_callable(channel)
-        multi_callable(
-            request_iterator,
-            metadata=(('test',
-                       'InterceptedStreamRequestBlockingUnaryResponse'),))
-
-        self.assertSequenceEqual(self._record, [
-            'c1:intercept_stream_unary', 'c2:intercept_stream_unary',
-            's1:intercept_service', 's2:intercept_service'
-        ])
-
-    def testInterceptedStreamRequestBlockingUnaryResponseWithCall(self):
-        requests = tuple(
-            b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
-        request_iterator = iter(requests)
-
-        self._record[:] = []
-        channel = grpc.intercept_channel(
-            self._channel, _LoggingInterceptor('c1', self._record),
-            _LoggingInterceptor('c2', self._record))
-
-        multi_callable = _stream_unary_multi_callable(channel)
-        multi_callable.with_call(
-            request_iterator,
-            metadata=(
-                ('test',
-                 'InterceptedStreamRequestBlockingUnaryResponseWithCall'),))
-
-        self.assertSequenceEqual(self._record, [
-            'c1:intercept_stream_unary', 'c2:intercept_stream_unary',
-            's1:intercept_service', 's2:intercept_service'
-        ])
-
-    def testInterceptedStreamRequestFutureUnaryResponse(self):
-        requests = tuple(
-            b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
-        request_iterator = iter(requests)
-
-        self._record[:] = []
-        channel = grpc.intercept_channel(
-            self._channel, _LoggingInterceptor('c1', self._record),
-            _LoggingInterceptor('c2', self._record))
-
-        multi_callable = _stream_unary_multi_callable(channel)
-        response_future = multi_callable.future(
-            request_iterator,
-            metadata=(('test', 'InterceptedStreamRequestFutureUnaryResponse'),))
-        response_future.result()
-
-        self.assertSequenceEqual(self._record, [
-            'c1:intercept_stream_unary', 'c2:intercept_stream_unary',
-            's1:intercept_service', 's2:intercept_service'
-        ])
-
-    def testInterceptedStreamRequestFutureUnaryResponseWithError(self):
-        requests = tuple(
-            _EXCEPTION_REQUEST for _ in range(test_constants.STREAM_LENGTH))
-        request_iterator = iter(requests)
-
-        self._record[:] = []
-        channel = grpc.intercept_channel(
-            self._channel, _LoggingInterceptor('c1', self._record),
-            _LoggingInterceptor('c2', self._record))
-
-        multi_callable = _stream_unary_multi_callable(channel)
-        response_future = multi_callable.future(
-            request_iterator,
-            metadata=(('test', 'InterceptedStreamRequestFutureUnaryResponse'),))
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            response_future.result()
-        exception = exception_context.exception
-        self.assertFalse(exception.cancelled())
-        self.assertFalse(exception.running())
-        self.assertTrue(exception.done())
-        with self.assertRaises(grpc.RpcError):
-            exception.result()
-        self.assertIsInstance(exception.exception(), grpc.RpcError)
-
-    def testInterceptedStreamRequestStreamResponse(self):
-        requests = tuple(
-            b'\x77\x58' for _ in range(test_constants.STREAM_LENGTH))
-        request_iterator = iter(requests)
-
-        self._record[:] = []
-        channel = grpc.intercept_channel(
-            self._channel, _LoggingInterceptor('c1', self._record),
-            _LoggingInterceptor('c2', self._record))
-
-        multi_callable = _stream_stream_multi_callable(channel)
-        response_iterator = multi_callable(
-            request_iterator,
-            metadata=(('test', 'InterceptedStreamRequestStreamResponse'),))
-        tuple(response_iterator)
-
-        self.assertSequenceEqual(self._record, [
-            'c1:intercept_stream_stream', 'c2:intercept_stream_stream',
-            's1:intercept_service', 's2:intercept_service'
-        ])
-
-    def testInterceptedStreamRequestStreamResponseWithError(self):
-        requests = tuple(
-            _EXCEPTION_REQUEST for _ in range(test_constants.STREAM_LENGTH))
-        request_iterator = iter(requests)
-
-        self._record[:] = []
-        channel = grpc.intercept_channel(
-            self._channel, _LoggingInterceptor('c1', self._record),
-            _LoggingInterceptor('c2', self._record))
-
-        multi_callable = _stream_stream_multi_callable(channel)
-        response_iterator = multi_callable(
-            request_iterator,
-            metadata=(('test', 'InterceptedStreamRequestStreamResponse'),))
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            tuple(response_iterator)
-        exception = exception_context.exception
-        self.assertFalse(exception.cancelled())
-        self.assertFalse(exception.running())
-        self.assertTrue(exception.done())
-        with self.assertRaises(grpc.RpcError):
-            exception.result()
-        self.assertIsInstance(exception.exception(), grpc.RpcError)
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_invalid_metadata_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_invalid_metadata_test.py
deleted file mode 100644
index c56b719c408..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_invalid_metadata_test.py
+++ /dev/null
@@ -1,140 +0,0 @@
-# Copyright 2016 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Test of RPCs made against gRPC Python's application-layer API."""
-
-import logging
-import unittest
-
-import grpc
-
-from tests.unit.framework.common import test_constants
-
-_SERIALIZE_REQUEST = lambda bytestring: bytestring * 2
-_DESERIALIZE_REQUEST = lambda bytestring: bytestring[len(bytestring) // 2:]
-_SERIALIZE_RESPONSE = lambda bytestring: bytestring * 3
-_DESERIALIZE_RESPONSE = lambda bytestring: bytestring[:len(bytestring) // 3]
-
-_UNARY_UNARY = '/test/UnaryUnary'
-_UNARY_STREAM = '/test/UnaryStream'
-_STREAM_UNARY = '/test/StreamUnary'
-_STREAM_STREAM = '/test/StreamStream'
-
-
-def _unary_unary_multi_callable(channel):
-    return channel.unary_unary(_UNARY_UNARY)
-
-
-def _unary_stream_multi_callable(channel):
-    return channel.unary_stream(_UNARY_STREAM,
-                                request_serializer=_SERIALIZE_REQUEST,
-                                response_deserializer=_DESERIALIZE_RESPONSE)
-
-
-def _stream_unary_multi_callable(channel):
-    return channel.stream_unary(_STREAM_UNARY,
-                                request_serializer=_SERIALIZE_REQUEST,
-                                response_deserializer=_DESERIALIZE_RESPONSE)
-
-
-def _stream_stream_multi_callable(channel):
-    return channel.stream_stream(_STREAM_STREAM)
-
-
-class InvalidMetadataTest(unittest.TestCase):
-
-    def setUp(self):
-        self._channel = grpc.insecure_channel('localhost:8080')
-        self._unary_unary = _unary_unary_multi_callable(self._channel)
-        self._unary_stream = _unary_stream_multi_callable(self._channel)
-        self._stream_unary = _stream_unary_multi_callable(self._channel)
-        self._stream_stream = _stream_stream_multi_callable(self._channel)
-
-    def tearDown(self):
-        self._channel.close()
-
-    def testUnaryRequestBlockingUnaryResponse(self):
-        request = b'\x07\x08'
-        metadata = (('InVaLiD', 'UnaryRequestBlockingUnaryResponse'),)
-        expected_error_details = "metadata was invalid: %s" % metadata
-        with self.assertRaises(ValueError) as exception_context:
-            self._unary_unary(request, metadata=metadata)
-        self.assertIn(expected_error_details, str(exception_context.exception))
-
-    def testUnaryRequestBlockingUnaryResponseWithCall(self):
-        request = b'\x07\x08'
-        metadata = (('InVaLiD', 'UnaryRequestBlockingUnaryResponseWithCall'),)
-        expected_error_details = "metadata was invalid: %s" % metadata
-        with self.assertRaises(ValueError) as exception_context:
-            self._unary_unary.with_call(request, metadata=metadata)
-        self.assertIn(expected_error_details, str(exception_context.exception))
-
-    def testUnaryRequestFutureUnaryResponse(self):
-        request = b'\x07\x08'
-        metadata = (('InVaLiD', 'UnaryRequestFutureUnaryResponse'),)
-        expected_error_details = "metadata was invalid: %s" % metadata
-        with self.assertRaises(ValueError) as exception_context:
-            self._unary_unary.future(request, metadata=metadata)
-
-    def testUnaryRequestStreamResponse(self):
-        request = b'\x37\x58'
-        metadata = (('InVaLiD', 'UnaryRequestStreamResponse'),)
-        expected_error_details = "metadata was invalid: %s" % metadata
-        with self.assertRaises(ValueError) as exception_context:
-            self._unary_stream(request, metadata=metadata)
-        self.assertIn(expected_error_details, str(exception_context.exception))
-
-    def testStreamRequestBlockingUnaryResponse(self):
-        request_iterator = (
-            b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
-        metadata = (('InVaLiD', 'StreamRequestBlockingUnaryResponse'),)
-        expected_error_details = "metadata was invalid: %s" % metadata
-        with self.assertRaises(ValueError) as exception_context:
-            self._stream_unary(request_iterator, metadata=metadata)
-        self.assertIn(expected_error_details, str(exception_context.exception))
-
-    def testStreamRequestBlockingUnaryResponseWithCall(self):
-        request_iterator = (
-            b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
-        metadata = (('InVaLiD', 'StreamRequestBlockingUnaryResponseWithCall'),)
-        expected_error_details = "metadata was invalid: %s" % metadata
-        multi_callable = _stream_unary_multi_callable(self._channel)
-        with self.assertRaises(ValueError) as exception_context:
-            multi_callable.with_call(request_iterator, metadata=metadata)
-        self.assertIn(expected_error_details, str(exception_context.exception))
-
-    def testStreamRequestFutureUnaryResponse(self):
-        request_iterator = (
-            b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
-        metadata = (('InVaLiD', 'StreamRequestFutureUnaryResponse'),)
-        expected_error_details = "metadata was invalid: %s" % metadata
-        with self.assertRaises(ValueError) as exception_context:
-            self._stream_unary.future(request_iterator, metadata=metadata)
-        self.assertIn(expected_error_details, str(exception_context.exception))
-
-    def testStreamRequestStreamResponse(self):
-        request_iterator = (
-            b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
-        metadata = (('InVaLiD', 'StreamRequestStreamResponse'),)
-        expected_error_details = "metadata was invalid: %s" % metadata
-        with self.assertRaises(ValueError) as exception_context:
-            self._stream_stream(request_iterator, metadata=metadata)
-        self.assertIn(expected_error_details, str(exception_context.exception))
-
-    def testInvalidMetadata(self):
-        self.assertRaises(TypeError, self._unary_unary, b'', metadata=42)
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_invocation_defects_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_invocation_defects_test.py
deleted file mode 100644
index cacb028c3b4..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_invocation_defects_test.py
+++ /dev/null
@@ -1,266 +0,0 @@
-# Copyright 2016 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import logging
-import unittest
-
-import grpc
-
-from tests.unit import test_common
-from tests.unit.framework.common import test_constants
-from tests.unit.framework.common import test_control
-
-_SERIALIZE_REQUEST = lambda bytestring: bytestring * 2
-_DESERIALIZE_REQUEST = lambda bytestring: bytestring[len(bytestring) // 2:]
-_SERIALIZE_RESPONSE = lambda bytestring: bytestring * 3
-_DESERIALIZE_RESPONSE = lambda bytestring: bytestring[:len(bytestring) // 3]
-
-_UNARY_UNARY = '/test/UnaryUnary'
-_UNARY_STREAM = '/test/UnaryStream'
-_STREAM_UNARY = '/test/StreamUnary'
-_STREAM_STREAM = '/test/StreamStream'
-_DEFECTIVE_GENERIC_RPC_HANDLER = '/test/DefectiveGenericRpcHandler'
-
-
-class _Handler(object):
-
-    def __init__(self, control):
-        self._control = control
-
-    def handle_unary_unary(self, request, servicer_context):
-        self._control.control()
-        if servicer_context is not None:
-            servicer_context.set_trailing_metadata(((
-                'testkey',
-                'testvalue',
-            ),))
-        return request
-
-    def handle_unary_stream(self, request, servicer_context):
-        for _ in range(test_constants.STREAM_LENGTH):
-            self._control.control()
-            yield request
-        self._control.control()
-        if servicer_context is not None:
-            servicer_context.set_trailing_metadata(((
-                'testkey',
-                'testvalue',
-            ),))
-
-    def handle_stream_unary(self, request_iterator, servicer_context):
-        if servicer_context is not None:
-            servicer_context.invocation_metadata()
-        self._control.control()
-        response_elements = []
-        for request in request_iterator:
-            self._control.control()
-            response_elements.append(request)
-        self._control.control()
-        if servicer_context is not None:
-            servicer_context.set_trailing_metadata(((
-                'testkey',
-                'testvalue',
-            ),))
-        return b''.join(response_elements)
-
-    def handle_stream_stream(self, request_iterator, servicer_context):
-        self._control.control()
-        if servicer_context is not None:
-            servicer_context.set_trailing_metadata(((
-                'testkey',
-                'testvalue',
-            ),))
-        for request in request_iterator:
-            self._control.control()
-            yield request
-        self._control.control()
-
-    def defective_generic_rpc_handler(self):
-        raise test_control.Defect()
-
-
-class _MethodHandler(grpc.RpcMethodHandler):
-
-    def __init__(self, request_streaming, response_streaming,
-                 request_deserializer, response_serializer, unary_unary,
-                 unary_stream, stream_unary, stream_stream):
-        self.request_streaming = request_streaming
-        self.response_streaming = response_streaming
-        self.request_deserializer = request_deserializer
-        self.response_serializer = response_serializer
-        self.unary_unary = unary_unary
-        self.unary_stream = unary_stream
-        self.stream_unary = stream_unary
-        self.stream_stream = stream_stream
-
-
-class _GenericHandler(grpc.GenericRpcHandler):
-
-    def __init__(self, handler):
-        self._handler = handler
-
-    def service(self, handler_call_details):
-        if handler_call_details.method == _UNARY_UNARY:
-            return _MethodHandler(False, False, None, None,
-                                  self._handler.handle_unary_unary, None, None,
-                                  None)
-        elif handler_call_details.method == _UNARY_STREAM:
-            return _MethodHandler(False, True, _DESERIALIZE_REQUEST,
-                                  _SERIALIZE_RESPONSE, None,
-                                  self._handler.handle_unary_stream, None, None)
-        elif handler_call_details.method == _STREAM_UNARY:
-            return _MethodHandler(True, False, _DESERIALIZE_REQUEST,
-                                  _SERIALIZE_RESPONSE, None, None,
-                                  self._handler.handle_stream_unary, None)
-        elif handler_call_details.method == _STREAM_STREAM:
-            return _MethodHandler(True, True, None, None, None, None, None,
-                                  self._handler.handle_stream_stream)
-        elif handler_call_details.method == _DEFECTIVE_GENERIC_RPC_HANDLER:
-            return self._handler.defective_generic_rpc_handler()
-        else:
-            return None
-
-
-class FailAfterFewIterationsCounter(object):
-
-    def __init__(self, high, bytestring):
-        self._current = 0
-        self._high = high
-        self._bytestring = bytestring
-
-    def __iter__(self):
-        return self
-
-    def __next__(self):
-        if self._current >= self._high:
-            raise test_control.Defect()
-        else:
-            self._current += 1
-            return self._bytestring
-
-    next = __next__
-
-
-def _unary_unary_multi_callable(channel):
-    return channel.unary_unary(_UNARY_UNARY)
-
-
-def _unary_stream_multi_callable(channel):
-    return channel.unary_stream(_UNARY_STREAM,
-                                request_serializer=_SERIALIZE_REQUEST,
-                                response_deserializer=_DESERIALIZE_RESPONSE)
-
-
-def _stream_unary_multi_callable(channel):
-    return channel.stream_unary(_STREAM_UNARY,
-                                request_serializer=_SERIALIZE_REQUEST,
-                                response_deserializer=_DESERIALIZE_RESPONSE)
-
-
-def _stream_stream_multi_callable(channel):
-    return channel.stream_stream(_STREAM_STREAM)
-
-
-def _defective_handler_multi_callable(channel):
-    return channel.unary_unary(_DEFECTIVE_GENERIC_RPC_HANDLER)
-
-
-class InvocationDefectsTest(unittest.TestCase):
-    """Tests the handling of exception-raising user code on the client-side."""
-
-    def setUp(self):
-        self._control = test_control.PauseFailControl()
-        self._handler = _Handler(self._control)
-
-        self._server = test_common.test_server()
-        port = self._server.add_insecure_port('[::]:0')
-        self._server.add_generic_rpc_handlers((_GenericHandler(self._handler),))
-        self._server.start()
-
-        self._channel = grpc.insecure_channel('localhost:%d' % port)
-
-    def tearDown(self):
-        self._server.stop(0)
-        self._channel.close()
-
-    def testIterableStreamRequestBlockingUnaryResponse(self):
-        requests = object()
-        multi_callable = _stream_unary_multi_callable(self._channel)
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            multi_callable(
-                requests,
-                metadata=(('test',
-                           'IterableStreamRequestBlockingUnaryResponse'),))
-
-        self.assertIs(grpc.StatusCode.UNKNOWN,
-                      exception_context.exception.code())
-
-    def testIterableStreamRequestFutureUnaryResponse(self):
-        requests = object()
-        multi_callable = _stream_unary_multi_callable(self._channel)
-        response_future = multi_callable.future(
-            requests,
-            metadata=(('test', 'IterableStreamRequestFutureUnaryResponse'),))
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            response_future.result()
-
-        self.assertIs(grpc.StatusCode.UNKNOWN,
-                      exception_context.exception.code())
-
-    def testIterableStreamRequestStreamResponse(self):
-        requests = object()
-        multi_callable = _stream_stream_multi_callable(self._channel)
-        response_iterator = multi_callable(
-            requests,
-            metadata=(('test', 'IterableStreamRequestStreamResponse'),))
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            next(response_iterator)
-
-        self.assertIs(grpc.StatusCode.UNKNOWN,
-                      exception_context.exception.code())
-
-    def testIteratorStreamRequestStreamResponse(self):
-        requests_iterator = FailAfterFewIterationsCounter(
-            test_constants.STREAM_LENGTH // 2, b'\x07\x08')
-        multi_callable = _stream_stream_multi_callable(self._channel)
-        response_iterator = multi_callable(
-            requests_iterator,
-            metadata=(('test', 'IteratorStreamRequestStreamResponse'),))
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            for _ in range(test_constants.STREAM_LENGTH // 2 + 1):
-                next(response_iterator)
-
-        self.assertIs(grpc.StatusCode.UNKNOWN,
-                      exception_context.exception.code())
-
-    def testDefectiveGenericRpcHandlerUnaryResponse(self):
-        request = b'\x07\x08'
-        multi_callable = _defective_handler_multi_callable(self._channel)
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            multi_callable(request,
-                           metadata=(('test',
-                                      'DefectiveGenericRpcHandlerUnary'),))
-
-        self.assertIs(grpc.StatusCode.UNKNOWN,
-                      exception_context.exception.code())
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_local_credentials_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_local_credentials_test.py
deleted file mode 100644
index 5351a2b4cc1..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_local_credentials_test.py
+++ /dev/null
@@ -1,82 +0,0 @@
-# Copyright 2019 The gRPC Authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Test of RPCs made using local credentials."""
-
-from concurrent.futures import ThreadPoolExecutor
-import os
-import unittest
-
-import grpc
-
-from tests.unit import test_common
-
-
-class _GenericHandler(grpc.GenericRpcHandler):
-
-    def service(self, handler_call_details):
-        return grpc.unary_unary_rpc_method_handler(
-            lambda request, unused_context: request)
-
-
-class LocalCredentialsTest(unittest.TestCase):
-
-    def _create_server(self):
-        server = grpc.server(ThreadPoolExecutor())
-        server.add_generic_rpc_handlers((_GenericHandler(),))
-        return server
-
-    @unittest.skipIf(os.name == 'nt',
-                     'TODO(https://github.com/grpc/grpc/issues/20078)')
-    def test_local_tcp(self):
-        server_addr = 'localhost:{}'
-        channel_creds = grpc.local_channel_credentials(
-            grpc.LocalConnectionType.LOCAL_TCP)
-        server_creds = grpc.local_server_credentials(
-            grpc.LocalConnectionType.LOCAL_TCP)
-
-        server = self._create_server()
-        port = server.add_secure_port(server_addr.format(0), server_creds)
-        server.start()
-        with grpc.secure_channel(server_addr.format(port),
-                                 channel_creds) as channel:
-            self.assertEqual(
-                b'abc',
-                channel.unary_unary('/test/method')(b'abc',
-                                                    wait_for_ready=True))
-        server.stop(None)
-
-    @unittest.skipIf(os.name == 'nt',
-                     'Unix Domain Socket is not supported on Windows')
-    @unittest.skipIf(test_common.running_under_gevent(),
-                     'UDS not supported under gevent.')
-    def test_uds(self):
-        server_addr = 'unix:/tmp/grpc_fullstack_test'
-        channel_creds = grpc.local_channel_credentials(
-            grpc.LocalConnectionType.UDS)
-        server_creds = grpc.local_server_credentials(
-            grpc.LocalConnectionType.UDS)
-
-        server = self._create_server()
-        server.add_secure_port(server_addr, server_creds)
-        server.start()
-        with grpc.secure_channel(server_addr, channel_creds) as channel:
-            self.assertEqual(
-                b'abc',
-                channel.unary_unary('/test/method')(b'abc',
-                                                    wait_for_ready=True))
-        server.stop(None)
-
-
-if __name__ == '__main__':
-    unittest.main()
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_logging_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_logging_test.py
deleted file mode 100644
index 933d2e6212f..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_logging_test.py
+++ /dev/null
@@ -1,104 +0,0 @@
-# Copyright 2018 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Test of gRPC Python's interaction with the python logging module"""
-
-import logging
-import subprocess
-import sys
-import unittest
-
-import grpc
-import os
-
-INTERPRETER = sys.executable
-
-
-class LoggingTest(unittest.TestCase):
-
-    def test_logger_not_occupied(self):
-        script = """if True:
-            import logging
-
-            import grpc
-
-            if len(logging.getLogger().handlers) != 0:
-                raise Exception('expected 0 logging handlers')
-
-        """
-        self._verifyScriptSucceeds(script)
-
-    def test_handler_found(self):
-        script = """if True:
-            import logging
-
-            import grpc
-        """
-        out, err = self._verifyScriptSucceeds(script)
-        self.assertEqual(0, len(err), 'unexpected output to stderr')
-
-    def test_can_configure_logger(self):
-        script = """if True:
-            import logging
-            import six
-
-            import grpc
-
-
-            intended_stream = six.StringIO()
-            logging.basicConfig(stream=intended_stream)
-
-            if len(logging.getLogger().handlers) != 1:
-                raise Exception('expected 1 logging handler')
-
-            if logging.getLogger().handlers[0].stream is not intended_stream:
-                raise Exception('wrong handler stream')
-
-        """
-        self._verifyScriptSucceeds(script)
-
-    def test_grpc_logger(self):
-        script = """if True:
-            import logging
-
-            import grpc
-
-            if "grpc" not in logging.Logger.manager.loggerDict:
-                raise Exception('grpc logger not found')
-
-            root_logger = logging.getLogger("grpc")
-            if len(root_logger.handlers) != 1:
-                raise Exception('expected 1 root logger handler')
-            if not isinstance(root_logger.handlers[0], logging.NullHandler):
-                raise Exception('expected logging.NullHandler')
-
-        """
-        self._verifyScriptSucceeds(script)
-
-    def _verifyScriptSucceeds(self, script):
-        env = os.environ.copy()
-        env['Y_PYTHON_ENTRY_POINT'] = ':main'
-        process = subprocess.Popen([INTERPRETER, '-c', script],
-                                   stdout=subprocess.PIPE,
-                                   stderr=subprocess.PIPE,
-                                   env=env)
-        out, err = process.communicate()
-        self.assertEqual(
-            0, process.returncode,
-            'process failed with exit code %d (stdout: %s, stderr: %s)' %
-            (process.returncode, out, err))
-        return out, err
-
-
-if __name__ == '__main__':
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_metadata_code_details_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_metadata_code_details_test.py
deleted file mode 100644
index 87441833c17..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_metadata_code_details_test.py
+++ /dev/null
@@ -1,723 +0,0 @@
-# Copyright 2016 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests application-provided metadata, status code, and details."""
-
-import logging
-import threading
-import unittest
-
-import grpc
-
-from tests.unit import test_common
-from tests.unit.framework.common import test_constants
-from tests.unit.framework.common import test_control
-
-_SERIALIZED_REQUEST = b'\x46\x47\x48'
-_SERIALIZED_RESPONSE = b'\x49\x50\x51'
-
-_REQUEST_SERIALIZER = lambda unused_request: _SERIALIZED_REQUEST
-_REQUEST_DESERIALIZER = lambda unused_serialized_request: object()
-_RESPONSE_SERIALIZER = lambda unused_response: _SERIALIZED_RESPONSE
-_RESPONSE_DESERIALIZER = lambda unused_serialized_response: object()
-
-_SERVICE = 'test.TestService'
-_UNARY_UNARY = 'UnaryUnary'
-_UNARY_STREAM = 'UnaryStream'
-_STREAM_UNARY = 'StreamUnary'
-_STREAM_STREAM = 'StreamStream'
-
-_CLIENT_METADATA = (('client-md-key', 'client-md-key'), ('client-md-key-bin',
-                                                         b'\x00\x01'))
-
-_SERVER_INITIAL_METADATA = (('server-initial-md-key',
-                             'server-initial-md-value'),
-                            ('server-initial-md-key-bin', b'\x00\x02'))
-
-_SERVER_TRAILING_METADATA = (('server-trailing-md-key',
-                              'server-trailing-md-value'),
-                             ('server-trailing-md-key-bin', b'\x00\x03'))
-
-_NON_OK_CODE = grpc.StatusCode.NOT_FOUND
-_DETAILS = 'Test details!'
-
-# calling abort should always fail an RPC, even for "invalid" codes
-_ABORT_CODES = (_NON_OK_CODE, 3, grpc.StatusCode.OK)
-_EXPECTED_CLIENT_CODES = (_NON_OK_CODE, grpc.StatusCode.UNKNOWN,
-                          grpc.StatusCode.UNKNOWN)
-_EXPECTED_DETAILS = (_DETAILS, _DETAILS, '')
-
-
-class _Servicer(object):
-
-    def __init__(self):
-        self._lock = threading.Lock()
-        self._abort_call = False
-        self._code = None
-        self._details = None
-        self._exception = False
-        self._return_none = False
-        self._received_client_metadata = None
-
-    def unary_unary(self, request, context):
-        with self._lock:
-            self._received_client_metadata = context.invocation_metadata()
-            context.send_initial_metadata(_SERVER_INITIAL_METADATA)
-            context.set_trailing_metadata(_SERVER_TRAILING_METADATA)
-            if self._abort_call:
-                context.abort(self._code, self._details)
-            else:
-                if self._code is not None:
-                    context.set_code(self._code)
-                if self._details is not None:
-                    context.set_details(self._details)
-            if self._exception:
-                raise test_control.Defect()
-            else:
-                return None if self._return_none else object()
-
-    def unary_stream(self, request, context):
-        with self._lock:
-            self._received_client_metadata = context.invocation_metadata()
-            context.send_initial_metadata(_SERVER_INITIAL_METADATA)
-            context.set_trailing_metadata(_SERVER_TRAILING_METADATA)
-            if self._abort_call:
-                context.abort(self._code, self._details)
-            else:
-                if self._code is not None:
-                    context.set_code(self._code)
-                if self._details is not None:
-                    context.set_details(self._details)
-            for _ in range(test_constants.STREAM_LENGTH // 2):
-                yield _SERIALIZED_RESPONSE
-            if self._exception:
-                raise test_control.Defect()
-
-    def stream_unary(self, request_iterator, context):
-        with self._lock:
-            self._received_client_metadata = context.invocation_metadata()
-            context.send_initial_metadata(_SERVER_INITIAL_METADATA)
-            context.set_trailing_metadata(_SERVER_TRAILING_METADATA)
-            # TODO(https://github.com/grpc/grpc/issues/6891): just ignore the
-            # request iterator.
-            list(request_iterator)
-            if self._abort_call:
-                context.abort(self._code, self._details)
-            else:
-                if self._code is not None:
-                    context.set_code(self._code)
-                if self._details is not None:
-                    context.set_details(self._details)
-            if self._exception:
-                raise test_control.Defect()
-            else:
-                return None if self._return_none else _SERIALIZED_RESPONSE
-
-    def stream_stream(self, request_iterator, context):
-        with self._lock:
-            self._received_client_metadata = context.invocation_metadata()
-            context.send_initial_metadata(_SERVER_INITIAL_METADATA)
-            context.set_trailing_metadata(_SERVER_TRAILING_METADATA)
-            # TODO(https://github.com/grpc/grpc/issues/6891): just ignore the
-            # request iterator.
-            list(request_iterator)
-            if self._abort_call:
-                context.abort(self._code, self._details)
-            else:
-                if self._code is not None:
-                    context.set_code(self._code)
-                if self._details is not None:
-                    context.set_details(self._details)
-            for _ in range(test_constants.STREAM_LENGTH // 3):
-                yield object()
-            if self._exception:
-                raise test_control.Defect()
-
-    def set_abort_call(self):
-        with self._lock:
-            self._abort_call = True
-
-    def set_code(self, code):
-        with self._lock:
-            self._code = code
-
-    def set_details(self, details):
-        with self._lock:
-            self._details = details
-
-    def set_exception(self):
-        with self._lock:
-            self._exception = True
-
-    def set_return_none(self):
-        with self._lock:
-            self._return_none = True
-
-    def received_client_metadata(self):
-        with self._lock:
-            return self._received_client_metadata
-
-
-def _generic_handler(servicer):
-    method_handlers = {
-        _UNARY_UNARY:
-            grpc.unary_unary_rpc_method_handler(
-                servicer.unary_unary,
-                request_deserializer=_REQUEST_DESERIALIZER,
-                response_serializer=_RESPONSE_SERIALIZER),
-        _UNARY_STREAM:
-            grpc.unary_stream_rpc_method_handler(servicer.unary_stream),
-        _STREAM_UNARY:
-            grpc.stream_unary_rpc_method_handler(servicer.stream_unary),
-        _STREAM_STREAM:
-            grpc.stream_stream_rpc_method_handler(
-                servicer.stream_stream,
-                request_deserializer=_REQUEST_DESERIALIZER,
-                response_serializer=_RESPONSE_SERIALIZER),
-    }
-    return grpc.method_handlers_generic_handler(_SERVICE, method_handlers)
-
-
-@unittest.skipIf(test_common.running_under_gevent(),
-                 "Causes deadlock in gevent.")
-class MetadataCodeDetailsTest(unittest.TestCase):
-
-    def setUp(self):
-        self._servicer = _Servicer()
-        self._server = test_common.test_server()
-        self._server.add_generic_rpc_handlers(
-            (_generic_handler(self._servicer),))
-        port = self._server.add_insecure_port('[::]:0')
-        self._server.start()
-
-        self._channel = grpc.insecure_channel('localhost:{}'.format(port))
-        self._unary_unary = self._channel.unary_unary(
-            '/'.join((
-                '',
-                _SERVICE,
-                _UNARY_UNARY,
-            )),
-            request_serializer=_REQUEST_SERIALIZER,
-            response_deserializer=_RESPONSE_DESERIALIZER,
-        )
-        self._unary_stream = self._channel.unary_stream(
-            '/'.join((
-                '',
-                _SERVICE,
-                _UNARY_STREAM,
-            )),)
-        self._stream_unary = self._channel.stream_unary(
-            '/'.join((
-                '',
-                _SERVICE,
-                _STREAM_UNARY,
-            )),)
-        self._stream_stream = self._channel.stream_stream(
-            '/'.join((
-                '',
-                _SERVICE,
-                _STREAM_STREAM,
-            )),
-            request_serializer=_REQUEST_SERIALIZER,
-            response_deserializer=_RESPONSE_DESERIALIZER,
-        )
-
-    def tearDown(self):
-        self._server.stop(None)
-        self._channel.close()
-
-    def testSuccessfulUnaryUnary(self):
-        self._servicer.set_details(_DETAILS)
-
-        unused_response, call = self._unary_unary.with_call(
-            object(), metadata=_CLIENT_METADATA)
-
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _CLIENT_METADATA, self._servicer.received_client_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(_SERVER_INITIAL_METADATA,
-                                             call.initial_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(_SERVER_TRAILING_METADATA,
-                                             call.trailing_metadata()))
-        self.assertIs(grpc.StatusCode.OK, call.code())
-
-    def testSuccessfulUnaryStream(self):
-        self._servicer.set_details(_DETAILS)
-
-        response_iterator_call = self._unary_stream(_SERIALIZED_REQUEST,
-                                                    metadata=_CLIENT_METADATA)
-        received_initial_metadata = response_iterator_call.initial_metadata()
-        list(response_iterator_call)
-
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _CLIENT_METADATA, self._servicer.received_client_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(_SERVER_INITIAL_METADATA,
-                                             received_initial_metadata))
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _SERVER_TRAILING_METADATA,
-                response_iterator_call.trailing_metadata()))
-        self.assertIs(grpc.StatusCode.OK, response_iterator_call.code())
-
-    def testSuccessfulStreamUnary(self):
-        self._servicer.set_details(_DETAILS)
-
-        unused_response, call = self._stream_unary.with_call(
-            iter([_SERIALIZED_REQUEST] * test_constants.STREAM_LENGTH),
-            metadata=_CLIENT_METADATA)
-
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _CLIENT_METADATA, self._servicer.received_client_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(_SERVER_INITIAL_METADATA,
-                                             call.initial_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(_SERVER_TRAILING_METADATA,
-                                             call.trailing_metadata()))
-        self.assertIs(grpc.StatusCode.OK, call.code())
-
-    def testSuccessfulStreamStream(self):
-        self._servicer.set_details(_DETAILS)
-
-        response_iterator_call = self._stream_stream(iter(
-            [object()] * test_constants.STREAM_LENGTH),
-                                                     metadata=_CLIENT_METADATA)
-        received_initial_metadata = response_iterator_call.initial_metadata()
-        list(response_iterator_call)
-
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _CLIENT_METADATA, self._servicer.received_client_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(_SERVER_INITIAL_METADATA,
-                                             received_initial_metadata))
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _SERVER_TRAILING_METADATA,
-                response_iterator_call.trailing_metadata()))
-        self.assertIs(grpc.StatusCode.OK, response_iterator_call.code())
-
-    def testAbortedUnaryUnary(self):
-        test_cases = zip(_ABORT_CODES, _EXPECTED_CLIENT_CODES,
-                         _EXPECTED_DETAILS)
-        for abort_code, expected_code, expected_details in test_cases:
-            self._servicer.set_code(abort_code)
-            self._servicer.set_details(_DETAILS)
-            self._servicer.set_abort_call()
-
-            with self.assertRaises(grpc.RpcError) as exception_context:
-                self._unary_unary.with_call(object(), metadata=_CLIENT_METADATA)
-
-            self.assertTrue(
-                test_common.metadata_transmitted(
-                    _CLIENT_METADATA,
-                    self._servicer.received_client_metadata()))
-            self.assertTrue(
-                test_common.metadata_transmitted(
-                    _SERVER_INITIAL_METADATA,
-                    exception_context.exception.initial_metadata()))
-            self.assertTrue(
-                test_common.metadata_transmitted(
-                    _SERVER_TRAILING_METADATA,
-                    exception_context.exception.trailing_metadata()))
-            self.assertIs(expected_code, exception_context.exception.code())
-            self.assertEqual(expected_details,
-                             exception_context.exception.details())
-
-    def testAbortedUnaryStream(self):
-        test_cases = zip(_ABORT_CODES, _EXPECTED_CLIENT_CODES,
-                         _EXPECTED_DETAILS)
-        for abort_code, expected_code, expected_details in test_cases:
-            self._servicer.set_code(abort_code)
-            self._servicer.set_details(_DETAILS)
-            self._servicer.set_abort_call()
-
-            response_iterator_call = self._unary_stream(
-                _SERIALIZED_REQUEST, metadata=_CLIENT_METADATA)
-            received_initial_metadata = \
-                response_iterator_call.initial_metadata()
-            with self.assertRaises(grpc.RpcError):
-                self.assertEqual(len(list(response_iterator_call)), 0)
-
-            self.assertTrue(
-                test_common.metadata_transmitted(
-                    _CLIENT_METADATA,
-                    self._servicer.received_client_metadata()))
-            self.assertTrue(
-                test_common.metadata_transmitted(_SERVER_INITIAL_METADATA,
-                                                 received_initial_metadata))
-            self.assertTrue(
-                test_common.metadata_transmitted(
-                    _SERVER_TRAILING_METADATA,
-                    response_iterator_call.trailing_metadata()))
-            self.assertIs(expected_code, response_iterator_call.code())
-            self.assertEqual(expected_details, response_iterator_call.details())
-
-    def testAbortedStreamUnary(self):
-        test_cases = zip(_ABORT_CODES, _EXPECTED_CLIENT_CODES,
-                         _EXPECTED_DETAILS)
-        for abort_code, expected_code, expected_details in test_cases:
-            self._servicer.set_code(abort_code)
-            self._servicer.set_details(_DETAILS)
-            self._servicer.set_abort_call()
-
-            with self.assertRaises(grpc.RpcError) as exception_context:
-                self._stream_unary.with_call(iter([_SERIALIZED_REQUEST] *
-                                                  test_constants.STREAM_LENGTH),
-                                             metadata=_CLIENT_METADATA)
-
-            self.assertTrue(
-                test_common.metadata_transmitted(
-                    _CLIENT_METADATA,
-                    self._servicer.received_client_metadata()))
-            self.assertTrue(
-                test_common.metadata_transmitted(
-                    _SERVER_INITIAL_METADATA,
-                    exception_context.exception.initial_metadata()))
-            self.assertTrue(
-                test_common.metadata_transmitted(
-                    _SERVER_TRAILING_METADATA,
-                    exception_context.exception.trailing_metadata()))
-            self.assertIs(expected_code, exception_context.exception.code())
-            self.assertEqual(expected_details,
-                             exception_context.exception.details())
-
-    def testAbortedStreamStream(self):
-        test_cases = zip(_ABORT_CODES, _EXPECTED_CLIENT_CODES,
-                         _EXPECTED_DETAILS)
-        for abort_code, expected_code, expected_details in test_cases:
-            self._servicer.set_code(abort_code)
-            self._servicer.set_details(_DETAILS)
-            self._servicer.set_abort_call()
-
-            response_iterator_call = self._stream_stream(
-                iter([object()] * test_constants.STREAM_LENGTH),
-                metadata=_CLIENT_METADATA)
-            received_initial_metadata = \
-                response_iterator_call.initial_metadata()
-            with self.assertRaises(grpc.RpcError):
-                self.assertEqual(len(list(response_iterator_call)), 0)
-
-            self.assertTrue(
-                test_common.metadata_transmitted(
-                    _CLIENT_METADATA,
-                    self._servicer.received_client_metadata()))
-            self.assertTrue(
-                test_common.metadata_transmitted(_SERVER_INITIAL_METADATA,
-                                                 received_initial_metadata))
-            self.assertTrue(
-                test_common.metadata_transmitted(
-                    _SERVER_TRAILING_METADATA,
-                    response_iterator_call.trailing_metadata()))
-            self.assertIs(expected_code, response_iterator_call.code())
-            self.assertEqual(expected_details, response_iterator_call.details())
-
-    def testCustomCodeUnaryUnary(self):
-        self._servicer.set_code(_NON_OK_CODE)
-        self._servicer.set_details(_DETAILS)
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            self._unary_unary.with_call(object(), metadata=_CLIENT_METADATA)
-
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _CLIENT_METADATA, self._servicer.received_client_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _SERVER_INITIAL_METADATA,
-                exception_context.exception.initial_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _SERVER_TRAILING_METADATA,
-                exception_context.exception.trailing_metadata()))
-        self.assertIs(_NON_OK_CODE, exception_context.exception.code())
-        self.assertEqual(_DETAILS, exception_context.exception.details())
-
-    def testCustomCodeUnaryStream(self):
-        self._servicer.set_code(_NON_OK_CODE)
-        self._servicer.set_details(_DETAILS)
-
-        response_iterator_call = self._unary_stream(_SERIALIZED_REQUEST,
-                                                    metadata=_CLIENT_METADATA)
-        received_initial_metadata = response_iterator_call.initial_metadata()
-        with self.assertRaises(grpc.RpcError):
-            list(response_iterator_call)
-
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _CLIENT_METADATA, self._servicer.received_client_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(_SERVER_INITIAL_METADATA,
-                                             received_initial_metadata))
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _SERVER_TRAILING_METADATA,
-                response_iterator_call.trailing_metadata()))
-        self.assertIs(_NON_OK_CODE, response_iterator_call.code())
-        self.assertEqual(_DETAILS, response_iterator_call.details())
-
-    def testCustomCodeStreamUnary(self):
-        self._servicer.set_code(_NON_OK_CODE)
-        self._servicer.set_details(_DETAILS)
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            self._stream_unary.with_call(iter([_SERIALIZED_REQUEST] *
-                                              test_constants.STREAM_LENGTH),
-                                         metadata=_CLIENT_METADATA)
-
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _CLIENT_METADATA, self._servicer.received_client_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _SERVER_INITIAL_METADATA,
-                exception_context.exception.initial_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _SERVER_TRAILING_METADATA,
-                exception_context.exception.trailing_metadata()))
-        self.assertIs(_NON_OK_CODE, exception_context.exception.code())
-        self.assertEqual(_DETAILS, exception_context.exception.details())
-
-    def testCustomCodeStreamStream(self):
-        self._servicer.set_code(_NON_OK_CODE)
-        self._servicer.set_details(_DETAILS)
-
-        response_iterator_call = self._stream_stream(iter(
-            [object()] * test_constants.STREAM_LENGTH),
-                                                     metadata=_CLIENT_METADATA)
-        received_initial_metadata = response_iterator_call.initial_metadata()
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            list(response_iterator_call)
-
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _CLIENT_METADATA, self._servicer.received_client_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(_SERVER_INITIAL_METADATA,
-                                             received_initial_metadata))
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _SERVER_TRAILING_METADATA,
-                exception_context.exception.trailing_metadata()))
-        self.assertIs(_NON_OK_CODE, exception_context.exception.code())
-        self.assertEqual(_DETAILS, exception_context.exception.details())
-
-    def testCustomCodeExceptionUnaryUnary(self):
-        self._servicer.set_code(_NON_OK_CODE)
-        self._servicer.set_details(_DETAILS)
-        self._servicer.set_exception()
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            self._unary_unary.with_call(object(), metadata=_CLIENT_METADATA)
-
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _CLIENT_METADATA, self._servicer.received_client_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _SERVER_INITIAL_METADATA,
-                exception_context.exception.initial_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _SERVER_TRAILING_METADATA,
-                exception_context.exception.trailing_metadata()))
-        self.assertIs(_NON_OK_CODE, exception_context.exception.code())
-        self.assertEqual(_DETAILS, exception_context.exception.details())
-
-    def testCustomCodeExceptionUnaryStream(self):
-        self._servicer.set_code(_NON_OK_CODE)
-        self._servicer.set_details(_DETAILS)
-        self._servicer.set_exception()
-
-        response_iterator_call = self._unary_stream(_SERIALIZED_REQUEST,
-                                                    metadata=_CLIENT_METADATA)
-        received_initial_metadata = response_iterator_call.initial_metadata()
-        with self.assertRaises(grpc.RpcError):
-            list(response_iterator_call)
-
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _CLIENT_METADATA, self._servicer.received_client_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(_SERVER_INITIAL_METADATA,
-                                             received_initial_metadata))
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _SERVER_TRAILING_METADATA,
-                response_iterator_call.trailing_metadata()))
-        self.assertIs(_NON_OK_CODE, response_iterator_call.code())
-        self.assertEqual(_DETAILS, response_iterator_call.details())
-
-    def testCustomCodeExceptionStreamUnary(self):
-        self._servicer.set_code(_NON_OK_CODE)
-        self._servicer.set_details(_DETAILS)
-        self._servicer.set_exception()
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            self._stream_unary.with_call(iter([_SERIALIZED_REQUEST] *
-                                              test_constants.STREAM_LENGTH),
-                                         metadata=_CLIENT_METADATA)
-
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _CLIENT_METADATA, self._servicer.received_client_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _SERVER_INITIAL_METADATA,
-                exception_context.exception.initial_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _SERVER_TRAILING_METADATA,
-                exception_context.exception.trailing_metadata()))
-        self.assertIs(_NON_OK_CODE, exception_context.exception.code())
-        self.assertEqual(_DETAILS, exception_context.exception.details())
-
-    def testCustomCodeExceptionStreamStream(self):
-        self._servicer.set_code(_NON_OK_CODE)
-        self._servicer.set_details(_DETAILS)
-        self._servicer.set_exception()
-
-        response_iterator_call = self._stream_stream(iter(
-            [object()] * test_constants.STREAM_LENGTH),
-                                                     metadata=_CLIENT_METADATA)
-        received_initial_metadata = response_iterator_call.initial_metadata()
-        with self.assertRaises(grpc.RpcError):
-            list(response_iterator_call)
-
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _CLIENT_METADATA, self._servicer.received_client_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(_SERVER_INITIAL_METADATA,
-                                             received_initial_metadata))
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _SERVER_TRAILING_METADATA,
-                response_iterator_call.trailing_metadata()))
-        self.assertIs(_NON_OK_CODE, response_iterator_call.code())
-        self.assertEqual(_DETAILS, response_iterator_call.details())
-
-    def testCustomCodeReturnNoneUnaryUnary(self):
-        self._servicer.set_code(_NON_OK_CODE)
-        self._servicer.set_details(_DETAILS)
-        self._servicer.set_return_none()
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            self._unary_unary.with_call(object(), metadata=_CLIENT_METADATA)
-
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _CLIENT_METADATA, self._servicer.received_client_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _SERVER_INITIAL_METADATA,
-                exception_context.exception.initial_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _SERVER_TRAILING_METADATA,
-                exception_context.exception.trailing_metadata()))
-        self.assertIs(_NON_OK_CODE, exception_context.exception.code())
-        self.assertEqual(_DETAILS, exception_context.exception.details())
-
-    def testCustomCodeReturnNoneStreamUnary(self):
-        self._servicer.set_code(_NON_OK_CODE)
-        self._servicer.set_details(_DETAILS)
-        self._servicer.set_return_none()
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            self._stream_unary.with_call(iter([_SERIALIZED_REQUEST] *
-                                              test_constants.STREAM_LENGTH),
-                                         metadata=_CLIENT_METADATA)
-
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _CLIENT_METADATA, self._servicer.received_client_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _SERVER_INITIAL_METADATA,
-                exception_context.exception.initial_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(
-                _SERVER_TRAILING_METADATA,
-                exception_context.exception.trailing_metadata()))
-        self.assertIs(_NON_OK_CODE, exception_context.exception.code())
-        self.assertEqual(_DETAILS, exception_context.exception.details())
-
-
-class _InspectServicer(_Servicer):
-
-    def __init__(self):
-        super(_InspectServicer, self).__init__()
-        self.actual_code = None
-        self.actual_details = None
-        self.actual_trailing_metadata = None
-
-    def unary_unary(self, request, context):
-        super(_InspectServicer, self).unary_unary(request, context)
-
-        self.actual_code = context.code()
-        self.actual_details = context.details()
-        self.actual_trailing_metadata = context.trailing_metadata()
-
-
-class InspectContextTest(unittest.TestCase):
-
-    def setUp(self):
-        self._servicer = _InspectServicer()
-        self._server = test_common.test_server()
-        self._server.add_generic_rpc_handlers(
-            (_generic_handler(self._servicer),))
-        port = self._server.add_insecure_port('[::]:0')
-        self._server.start()
-
-        self._channel = grpc.insecure_channel('localhost:{}'.format(port))
-        self._unary_unary = self._channel.unary_unary(
-            '/'.join((
-                '',
-                _SERVICE,
-                _UNARY_UNARY,
-            )),
-            request_serializer=_REQUEST_SERIALIZER,
-            response_deserializer=_RESPONSE_DESERIALIZER,
-        )
-
-    def tearDown(self):
-        self._server.stop(None)
-        self._channel.close()
-
-    def testCodeDetailsInContext(self):
-        self._servicer.set_code(_NON_OK_CODE)
-        self._servicer.set_details(_DETAILS)
-
-        with self.assertRaises(grpc.RpcError) as exc_info:
-            self._unary_unary.with_call(object(), metadata=_CLIENT_METADATA)
-
-        err = exc_info.exception
-        self.assertEqual(_NON_OK_CODE, err.code())
-
-        self.assertEqual(self._servicer.actual_code, _NON_OK_CODE)
-        self.assertEqual(self._servicer.actual_details.decode('utf-8'),
-                         _DETAILS)
-        self.assertEqual(self._servicer.actual_trailing_metadata,
-                         _SERVER_TRAILING_METADATA)
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_metadata_flags_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_metadata_flags_test.py
deleted file mode 100644
index 982ec903334..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_metadata_flags_test.py
+++ /dev/null
@@ -1,260 +0,0 @@
-# Copyright 2018 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests metadata flags feature by testing wait-for-ready semantics"""
-
-import logging
-import socket
-import threading
-import time
-import unittest
-import weakref
-
-import grpc
-from six.moves import queue
-
-from tests.unit import test_common
-import tests.unit.framework.common
-from tests.unit.framework.common import get_socket
-from tests.unit.framework.common import test_constants
-
-_UNARY_UNARY = '/test/UnaryUnary'
-_UNARY_STREAM = '/test/UnaryStream'
-_STREAM_UNARY = '/test/StreamUnary'
-_STREAM_STREAM = '/test/StreamStream'
-
-_REQUEST = b'\x00\x00\x00'
-_RESPONSE = b'\x00\x00\x00'
-
-
-def handle_unary_unary(test, request, servicer_context):
-    return _RESPONSE
-
-
-def handle_unary_stream(test, request, servicer_context):
-    for _ in range(test_constants.STREAM_LENGTH):
-        yield _RESPONSE
-
-
-def handle_stream_unary(test, request_iterator, servicer_context):
-    for _ in request_iterator:
-        pass
-    return _RESPONSE
-
-
-def handle_stream_stream(test, request_iterator, servicer_context):
-    for _ in request_iterator:
-        yield _RESPONSE
-
-
-class _MethodHandler(grpc.RpcMethodHandler):
-
-    def __init__(self, test, request_streaming, response_streaming):
-        self.request_streaming = request_streaming
-        self.response_streaming = response_streaming
-        self.request_deserializer = None
-        self.response_serializer = None
-        self.unary_unary = None
-        self.unary_stream = None
-        self.stream_unary = None
-        self.stream_stream = None
-        if self.request_streaming and self.response_streaming:
-            self.stream_stream = lambda req, ctx: handle_stream_stream(
-                test, req, ctx)
-        elif self.request_streaming:
-            self.stream_unary = lambda req, ctx: handle_stream_unary(
-                test, req, ctx)
-        elif self.response_streaming:
-            self.unary_stream = lambda req, ctx: handle_unary_stream(
-                test, req, ctx)
-        else:
-            self.unary_unary = lambda req, ctx: handle_unary_unary(
-                test, req, ctx)
-
-
-class _GenericHandler(grpc.GenericRpcHandler):
-
-    def __init__(self, test):
-        self._test = test
-
-    def service(self, handler_call_details):
-        if handler_call_details.method == _UNARY_UNARY:
-            return _MethodHandler(self._test, False, False)
-        elif handler_call_details.method == _UNARY_STREAM:
-            return _MethodHandler(self._test, False, True)
-        elif handler_call_details.method == _STREAM_UNARY:
-            return _MethodHandler(self._test, True, False)
-        elif handler_call_details.method == _STREAM_STREAM:
-            return _MethodHandler(self._test, True, True)
-        else:
-            return None
-
-
-def create_phony_channel():
-    """Creating phony channels is a workaround for retries"""
-    host, port, sock = get_socket(sock_options=(socket.SO_REUSEADDR,))
-    sock.close()
-    return grpc.insecure_channel('{}:{}'.format(host, port))
-
-
-def perform_unary_unary_call(channel, wait_for_ready=None):
-    channel.unary_unary(_UNARY_UNARY).__call__(
-        _REQUEST,
-        timeout=test_constants.LONG_TIMEOUT,
-        wait_for_ready=wait_for_ready)
-
-
-def perform_unary_unary_with_call(channel, wait_for_ready=None):
-    channel.unary_unary(_UNARY_UNARY).with_call(
-        _REQUEST,
-        timeout=test_constants.LONG_TIMEOUT,
-        wait_for_ready=wait_for_ready)
-
-
-def perform_unary_unary_future(channel, wait_for_ready=None):
-    channel.unary_unary(_UNARY_UNARY).future(
-        _REQUEST,
-        timeout=test_constants.LONG_TIMEOUT,
-        wait_for_ready=wait_for_ready).result(
-            timeout=test_constants.LONG_TIMEOUT)
-
-
-def perform_unary_stream_call(channel, wait_for_ready=None):
-    response_iterator = channel.unary_stream(_UNARY_STREAM).__call__(
-        _REQUEST,
-        timeout=test_constants.LONG_TIMEOUT,
-        wait_for_ready=wait_for_ready)
-    for _ in response_iterator:
-        pass
-
-
-def perform_stream_unary_call(channel, wait_for_ready=None):
-    channel.stream_unary(_STREAM_UNARY).__call__(
-        iter([_REQUEST] * test_constants.STREAM_LENGTH),
-        timeout=test_constants.LONG_TIMEOUT,
-        wait_for_ready=wait_for_ready)
-
-
-def perform_stream_unary_with_call(channel, wait_for_ready=None):
-    channel.stream_unary(_STREAM_UNARY).with_call(
-        iter([_REQUEST] * test_constants.STREAM_LENGTH),
-        timeout=test_constants.LONG_TIMEOUT,
-        wait_for_ready=wait_for_ready)
-
-
-def perform_stream_unary_future(channel, wait_for_ready=None):
-    channel.stream_unary(_STREAM_UNARY).future(
-        iter([_REQUEST] * test_constants.STREAM_LENGTH),
-        timeout=test_constants.LONG_TIMEOUT,
-        wait_for_ready=wait_for_ready).result(
-            timeout=test_constants.LONG_TIMEOUT)
-
-
-def perform_stream_stream_call(channel, wait_for_ready=None):
-    response_iterator = channel.stream_stream(_STREAM_STREAM).__call__(
-        iter([_REQUEST] * test_constants.STREAM_LENGTH),
-        timeout=test_constants.LONG_TIMEOUT,
-        wait_for_ready=wait_for_ready)
-    for _ in response_iterator:
-        pass
-
-
-_ALL_CALL_CASES = [
-    perform_unary_unary_call, perform_unary_unary_with_call,
-    perform_unary_unary_future, perform_unary_stream_call,
-    perform_stream_unary_call, perform_stream_unary_with_call,
-    perform_stream_unary_future, perform_stream_stream_call
-]
-
-
-class MetadataFlagsTest(unittest.TestCase):
-
-    def check_connection_does_failfast(self, fn, channel, wait_for_ready=None):
-        try:
-            fn(channel, wait_for_ready)
-            self.fail("The Call should fail")
-        except BaseException as e:  # pylint: disable=broad-except
-            self.assertIs(grpc.StatusCode.UNAVAILABLE, e.code())
-
-    def test_call_wait_for_ready_default(self):
-        for perform_call in _ALL_CALL_CASES:
-            with create_phony_channel() as channel:
-                self.check_connection_does_failfast(perform_call, channel)
-
-    def test_call_wait_for_ready_disabled(self):
-        for perform_call in _ALL_CALL_CASES:
-            with create_phony_channel() as channel:
-                self.check_connection_does_failfast(perform_call,
-                                                    channel,
-                                                    wait_for_ready=False)
-
-    def test_call_wait_for_ready_enabled(self):
-        # To test the wait mechanism, Python thread is required to make
-        #   client set up first without handling them case by case.
-        # Also, Python thread don't pass the unhandled exceptions to
-        #   main thread. So, it need another method to store the
-        #   exceptions and raise them again in main thread.
-        unhandled_exceptions = queue.Queue()
-
-        # We just need an unused TCP port
-        host, port, sock = get_socket(sock_options=(socket.SO_REUSEADDR,))
-        sock.close()
-
-        addr = '{}:{}'.format(host, port)
-        wg = test_common.WaitGroup(len(_ALL_CALL_CASES))
-
-        def wait_for_transient_failure(channel_connectivity):
-            if channel_connectivity == grpc.ChannelConnectivity.TRANSIENT_FAILURE:
-                wg.done()
-
-        def test_call(perform_call):
-            with grpc.insecure_channel(addr) as channel:
-                try:
-                    channel.subscribe(wait_for_transient_failure)
-                    perform_call(channel, wait_for_ready=True)
-                except BaseException as e:  # pylint: disable=broad-except
-                    # If the call failed, the thread would be destroyed. The
-                    # channel object can be collected before calling the
-                    # callback, which will result in a deadlock.
-                    wg.done()
-                    unhandled_exceptions.put(e, True)
-
-        test_threads = []
-        for perform_call in _ALL_CALL_CASES:
-            test_thread = threading.Thread(target=test_call,
-                                           args=(perform_call,))
-            test_thread.daemon = True
-            test_thread.exception = None
-            test_thread.start()
-            test_threads.append(test_thread)
-
-        # Start the server after the connections are waiting
-        wg.wait()
-        server = test_common.test_server(reuse_port=True)
-        server.add_generic_rpc_handlers((_GenericHandler(weakref.proxy(self)),))
-        server.add_insecure_port(addr)
-        server.start()
-
-        for test_thread in test_threads:
-            test_thread.join()
-
-        # Stop the server to make test end properly
-        server.stop(0)
-
-        if not unhandled_exceptions.empty():
-            raise unhandled_exceptions.get(True)
-
-
-if __name__ == '__main__':
-    logging.basicConfig(level=logging.DEBUG)
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_metadata_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_metadata_test.py
deleted file mode 100644
index d975228d3b0..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_metadata_test.py
+++ /dev/null
@@ -1,242 +0,0 @@
-# Copyright 2016 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests server and client side metadata API."""
-
-import logging
-import unittest
-import weakref
-
-import grpc
-from grpc import _channel
-
-from tests.unit import test_common
-from tests.unit.framework.common import test_constants
-
-_CHANNEL_ARGS = (('grpc.primary_user_agent', 'primary-agent'),
-                 ('grpc.secondary_user_agent', 'secondary-agent'))
-
-_REQUEST = b'\x00\x00\x00'
-_RESPONSE = b'\x00\x00\x00'
-
-_UNARY_UNARY = '/test/UnaryUnary'
-_UNARY_STREAM = '/test/UnaryStream'
-_STREAM_UNARY = '/test/StreamUnary'
-_STREAM_STREAM = '/test/StreamStream'
-
-_INVOCATION_METADATA = (
-    (
-        b'invocation-md-key',
-        u'invocation-md-value',
-    ),
-    (
-        u'invocation-md-key-bin',
-        b'\x00\x01',
-    ),
-)
-_EXPECTED_INVOCATION_METADATA = (
-    (
-        'invocation-md-key',
-        'invocation-md-value',
-    ),
-    (
-        'invocation-md-key-bin',
-        b'\x00\x01',
-    ),
-)
-
-_INITIAL_METADATA = ((b'initial-md-key', u'initial-md-value'),
-                     (u'initial-md-key-bin', b'\x00\x02'))
-_EXPECTED_INITIAL_METADATA = (
-    (
-        'initial-md-key',
-        'initial-md-value',
-    ),
-    (
-        'initial-md-key-bin',
-        b'\x00\x02',
-    ),
-)
-
-_TRAILING_METADATA = (
-    (
-        'server-trailing-md-key',
-        'server-trailing-md-value',
-    ),
-    (
-        'server-trailing-md-key-bin',
-        b'\x00\x03',
-    ),
-)
-_EXPECTED_TRAILING_METADATA = _TRAILING_METADATA
-
-
-def _user_agent(metadata):
-    for key, val in metadata:
-        if key == 'user-agent':
-            return val
-    raise KeyError('No user agent!')
-
-
-def validate_client_metadata(test, servicer_context):
-    invocation_metadata = servicer_context.invocation_metadata()
-    test.assertTrue(
-        test_common.metadata_transmitted(_EXPECTED_INVOCATION_METADATA,
-                                         invocation_metadata))
-    user_agent = _user_agent(invocation_metadata)
-    test.assertTrue(
-        user_agent.startswith('primary-agent ' + _channel._USER_AGENT))
-    test.assertTrue(user_agent.endswith('secondary-agent'))
-
-
-def handle_unary_unary(test, request, servicer_context):
-    validate_client_metadata(test, servicer_context)
-    servicer_context.send_initial_metadata(_INITIAL_METADATA)
-    servicer_context.set_trailing_metadata(_TRAILING_METADATA)
-    return _RESPONSE
-
-
-def handle_unary_stream(test, request, servicer_context):
-    validate_client_metadata(test, servicer_context)
-    servicer_context.send_initial_metadata(_INITIAL_METADATA)
-    servicer_context.set_trailing_metadata(_TRAILING_METADATA)
-    for _ in range(test_constants.STREAM_LENGTH):
-        yield _RESPONSE
-
-
-def handle_stream_unary(test, request_iterator, servicer_context):
-    validate_client_metadata(test, servicer_context)
-    servicer_context.send_initial_metadata(_INITIAL_METADATA)
-    servicer_context.set_trailing_metadata(_TRAILING_METADATA)
-    # TODO(issue:#6891) We should be able to remove this loop
-    for request in request_iterator:
-        pass
-    return _RESPONSE
-
-
-def handle_stream_stream(test, request_iterator, servicer_context):
-    validate_client_metadata(test, servicer_context)
-    servicer_context.send_initial_metadata(_INITIAL_METADATA)
-    servicer_context.set_trailing_metadata(_TRAILING_METADATA)
-    # TODO(issue:#6891) We should be able to remove this loop,
-    # and replace with return; yield
-    for request in request_iterator:
-        yield _RESPONSE
-
-
-class _MethodHandler(grpc.RpcMethodHandler):
-
-    def __init__(self, test, request_streaming, response_streaming):
-        self.request_streaming = request_streaming
-        self.response_streaming = response_streaming
-        self.request_deserializer = None
-        self.response_serializer = None
-        self.unary_unary = None
-        self.unary_stream = None
-        self.stream_unary = None
-        self.stream_stream = None
-        if self.request_streaming and self.response_streaming:
-            self.stream_stream = lambda x, y: handle_stream_stream(test, x, y)
-        elif self.request_streaming:
-            self.stream_unary = lambda x, y: handle_stream_unary(test, x, y)
-        elif self.response_streaming:
-            self.unary_stream = lambda x, y: handle_unary_stream(test, x, y)
-        else:
-            self.unary_unary = lambda x, y: handle_unary_unary(test, x, y)
-
-
-class _GenericHandler(grpc.GenericRpcHandler):
-
-    def __init__(self, test):
-        self._test = test
-
-    def service(self, handler_call_details):
-        if handler_call_details.method == _UNARY_UNARY:
-            return _MethodHandler(self._test, False, False)
-        elif handler_call_details.method == _UNARY_STREAM:
-            return _MethodHandler(self._test, False, True)
-        elif handler_call_details.method == _STREAM_UNARY:
-            return _MethodHandler(self._test, True, False)
-        elif handler_call_details.method == _STREAM_STREAM:
-            return _MethodHandler(self._test, True, True)
-        else:
-            return None
-
-
-class MetadataTest(unittest.TestCase):
-
-    def setUp(self):
-        self._server = test_common.test_server()
-        self._server.add_generic_rpc_handlers(
-            (_GenericHandler(weakref.proxy(self)),))
-        port = self._server.add_insecure_port('[::]:0')
-        self._server.start()
-        self._channel = grpc.insecure_channel('localhost:%d' % port,
-                                              options=_CHANNEL_ARGS)
-
-    def tearDown(self):
-        self._server.stop(0)
-        self._channel.close()
-
-    def testUnaryUnary(self):
-        multi_callable = self._channel.unary_unary(_UNARY_UNARY)
-        unused_response, call = multi_callable.with_call(
-            _REQUEST, metadata=_INVOCATION_METADATA)
-        self.assertTrue(
-            test_common.metadata_transmitted(_EXPECTED_INITIAL_METADATA,
-                                             call.initial_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(_EXPECTED_TRAILING_METADATA,
-                                             call.trailing_metadata()))
-
-    def testUnaryStream(self):
-        multi_callable = self._channel.unary_stream(_UNARY_STREAM)
-        call = multi_callable(_REQUEST, metadata=_INVOCATION_METADATA)
-        self.assertTrue(
-            test_common.metadata_transmitted(_EXPECTED_INITIAL_METADATA,
-                                             call.initial_metadata()))
-        for _ in call:
-            pass
-        self.assertTrue(
-            test_common.metadata_transmitted(_EXPECTED_TRAILING_METADATA,
-                                             call.trailing_metadata()))
-
-    def testStreamUnary(self):
-        multi_callable = self._channel.stream_unary(_STREAM_UNARY)
-        unused_response, call = multi_callable.with_call(
-            iter([_REQUEST] * test_constants.STREAM_LENGTH),
-            metadata=_INVOCATION_METADATA)
-        self.assertTrue(
-            test_common.metadata_transmitted(_EXPECTED_INITIAL_METADATA,
-                                             call.initial_metadata()))
-        self.assertTrue(
-            test_common.metadata_transmitted(_EXPECTED_TRAILING_METADATA,
-                                             call.trailing_metadata()))
-
-    def testStreamStream(self):
-        multi_callable = self._channel.stream_stream(_STREAM_STREAM)
-        call = multi_callable(iter([_REQUEST] * test_constants.STREAM_LENGTH),
-                              metadata=_INVOCATION_METADATA)
-        self.assertTrue(
-            test_common.metadata_transmitted(_EXPECTED_INITIAL_METADATA,
-                                             call.initial_metadata()))
-        for _ in call:
-            pass
-        self.assertTrue(
-            test_common.metadata_transmitted(_EXPECTED_TRAILING_METADATA,
-                                             call.trailing_metadata()))
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_reconnect_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_reconnect_test.py
deleted file mode 100644
index 62ab5a58fc6..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_reconnect_test.py
+++ /dev/null
@@ -1,72 +0,0 @@
-# Copyright 2017 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests that a channel will reconnect if a connection is dropped"""
-
-import logging
-import socket
-import time
-import unittest
-
-import grpc
-from grpc.framework.foundation import logging_pool
-
-from tests.unit import test_common
-from tests.unit.framework.common import bound_socket
-from tests.unit.framework.common import test_constants
-
-_REQUEST = b'\x00\x00\x00'
-_RESPONSE = b'\x00\x00\x01'
-
-_UNARY_UNARY = '/test/UnaryUnary'
-
-
-def _handle_unary_unary(unused_request, unused_servicer_context):
-    return _RESPONSE
-
-
-@unittest.skipIf(test_common.running_under_gevent(),
-                 "Test is nondeterministic under gevent.")
-class ReconnectTest(unittest.TestCase):
-
-    def test_reconnect(self):
-        server_pool = logging_pool.pool(test_constants.THREAD_CONCURRENCY)
-        handler = grpc.method_handlers_generic_handler('test', {
-            'UnaryUnary':
-                grpc.unary_unary_rpc_method_handler(_handle_unary_unary)
-        })
-        options = (('grpc.so_reuseport', 1),)
-        with bound_socket() as (host, port):
-            addr = '{}:{}'.format(host, port)
-            server = grpc.server(server_pool, (handler,), options=options)
-            server.add_insecure_port(addr)
-            server.start()
-        channel = grpc.insecure_channel(addr)
-        multi_callable = channel.unary_unary(_UNARY_UNARY)
-        self.assertEqual(_RESPONSE, multi_callable(_REQUEST))
-        server.stop(None)
-        # By default, the channel connectivity is checked every 5s
-        # GRPC_CLIENT_CHANNEL_BACKUP_POLL_INTERVAL_MS can be set to change
-        # this.
-        time.sleep(5.1)
-        server = grpc.server(server_pool, (handler,), options=options)
-        server.add_insecure_port(addr)
-        server.start()
-        self.assertEqual(_RESPONSE, multi_callable(_REQUEST))
-        server.stop(None)
-        channel.close()
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_resource_exhausted_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_resource_exhausted_test.py
deleted file mode 100644
index bd3272176ef..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_resource_exhausted_test.py
+++ /dev/null
@@ -1,259 +0,0 @@
-# Copyright 2017 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests server responding with RESOURCE_EXHAUSTED."""
-
-import logging
-import threading
-import unittest
-
-import grpc
-from grpc import _channel
-from grpc.framework.foundation import logging_pool
-
-from tests.unit import test_common
-from tests.unit.framework.common import test_constants
-
-_REQUEST = b'\x00\x00\x00'
-_RESPONSE = b'\x00\x00\x00'
-
-_UNARY_UNARY = '/test/UnaryUnary'
-_UNARY_STREAM = '/test/UnaryStream'
-_STREAM_UNARY = '/test/StreamUnary'
-_STREAM_STREAM = '/test/StreamStream'
-
-
-class _TestTrigger(object):
-
-    def __init__(self, total_call_count):
-        self._total_call_count = total_call_count
-        self._pending_calls = 0
-        self._triggered = False
-        self._finish_condition = threading.Condition()
-        self._start_condition = threading.Condition()
-
-    # Wait for all calls be blocked in their handler
-    def await_calls(self):
-        with self._start_condition:
-            while self._pending_calls < self._total_call_count:
-                self._start_condition.wait()
-
-    # Block in a response handler and wait for a trigger
-    def await_trigger(self):
-        with self._start_condition:
-            self._pending_calls += 1
-            self._start_condition.notify()
-
-        with self._finish_condition:
-            if not self._triggered:
-                self._finish_condition.wait()
-
-    # Finish all response handlers
-    def trigger(self):
-        with self._finish_condition:
-            self._triggered = True
-            self._finish_condition.notify_all()
-
-
-def handle_unary_unary(trigger, request, servicer_context):
-    trigger.await_trigger()
-    return _RESPONSE
-
-
-def handle_unary_stream(trigger, request, servicer_context):
-    trigger.await_trigger()
-    for _ in range(test_constants.STREAM_LENGTH):
-        yield _RESPONSE
-
-
-def handle_stream_unary(trigger, request_iterator, servicer_context):
-    trigger.await_trigger()
-    # TODO(issue:#6891) We should be able to remove this loop
-    for request in request_iterator:
-        pass
-    return _RESPONSE
-
-
-def handle_stream_stream(trigger, request_iterator, servicer_context):
-    trigger.await_trigger()
-    # TODO(issue:#6891) We should be able to remove this loop,
-    # and replace with return; yield
-    for request in request_iterator:
-        yield _RESPONSE
-
-
-class _MethodHandler(grpc.RpcMethodHandler):
-
-    def __init__(self, trigger, request_streaming, response_streaming):
-        self.request_streaming = request_streaming
-        self.response_streaming = response_streaming
-        self.request_deserializer = None
-        self.response_serializer = None
-        self.unary_unary = None
-        self.unary_stream = None
-        self.stream_unary = None
-        self.stream_stream = None
-        if self.request_streaming and self.response_streaming:
-            self.stream_stream = (
-                lambda x, y: handle_stream_stream(trigger, x, y))
-        elif self.request_streaming:
-            self.stream_unary = lambda x, y: handle_stream_unary(trigger, x, y)
-        elif self.response_streaming:
-            self.unary_stream = lambda x, y: handle_unary_stream(trigger, x, y)
-        else:
-            self.unary_unary = lambda x, y: handle_unary_unary(trigger, x, y)
-
-
-class _GenericHandler(grpc.GenericRpcHandler):
-
-    def __init__(self, trigger):
-        self._trigger = trigger
-
-    def service(self, handler_call_details):
-        if handler_call_details.method == _UNARY_UNARY:
-            return _MethodHandler(self._trigger, False, False)
-        elif handler_call_details.method == _UNARY_STREAM:
-            return _MethodHandler(self._trigger, False, True)
-        elif handler_call_details.method == _STREAM_UNARY:
-            return _MethodHandler(self._trigger, True, False)
-        elif handler_call_details.method == _STREAM_STREAM:
-            return _MethodHandler(self._trigger, True, True)
-        else:
-            return None
-
-
-class ResourceExhaustedTest(unittest.TestCase):
-
-    def setUp(self):
-        self._server_pool = logging_pool.pool(test_constants.THREAD_CONCURRENCY)
-        self._trigger = _TestTrigger(test_constants.THREAD_CONCURRENCY)
-        self._server = grpc.server(
-            self._server_pool,
-            handlers=(_GenericHandler(self._trigger),),
-            options=(('grpc.so_reuseport', 0),),
-            maximum_concurrent_rpcs=test_constants.THREAD_CONCURRENCY)
-        port = self._server.add_insecure_port('[::]:0')
-        self._server.start()
-        self._channel = grpc.insecure_channel('localhost:%d' % port)
-
-    def tearDown(self):
-        self._server.stop(0)
-        self._channel.close()
-
-    def testUnaryUnary(self):
-        multi_callable = self._channel.unary_unary(_UNARY_UNARY)
-        futures = []
-        for _ in range(test_constants.THREAD_CONCURRENCY):
-            futures.append(multi_callable.future(_REQUEST))
-
-        self._trigger.await_calls()
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            multi_callable(_REQUEST)
-
-        self.assertEqual(grpc.StatusCode.RESOURCE_EXHAUSTED,
-                         exception_context.exception.code())
-
-        future_exception = multi_callable.future(_REQUEST)
-        self.assertEqual(grpc.StatusCode.RESOURCE_EXHAUSTED,
-                         future_exception.exception().code())
-
-        self._trigger.trigger()
-        for future in futures:
-            self.assertEqual(_RESPONSE, future.result())
-
-        # Ensure a new request can be handled
-        self.assertEqual(_RESPONSE, multi_callable(_REQUEST))
-
-    def testUnaryStream(self):
-        multi_callable = self._channel.unary_stream(_UNARY_STREAM)
-        calls = []
-        for _ in range(test_constants.THREAD_CONCURRENCY):
-            calls.append(multi_callable(_REQUEST))
-
-        self._trigger.await_calls()
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            next(multi_callable(_REQUEST))
-
-        self.assertEqual(grpc.StatusCode.RESOURCE_EXHAUSTED,
-                         exception_context.exception.code())
-
-        self._trigger.trigger()
-
-        for call in calls:
-            for response in call:
-                self.assertEqual(_RESPONSE, response)
-
-        # Ensure a new request can be handled
-        new_call = multi_callable(_REQUEST)
-        for response in new_call:
-            self.assertEqual(_RESPONSE, response)
-
-    def testStreamUnary(self):
-        multi_callable = self._channel.stream_unary(_STREAM_UNARY)
-        futures = []
-        request = iter([_REQUEST] * test_constants.STREAM_LENGTH)
-        for _ in range(test_constants.THREAD_CONCURRENCY):
-            futures.append(multi_callable.future(request))
-
-        self._trigger.await_calls()
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            multi_callable(request)
-
-        self.assertEqual(grpc.StatusCode.RESOURCE_EXHAUSTED,
-                         exception_context.exception.code())
-
-        future_exception = multi_callable.future(request)
-        self.assertEqual(grpc.StatusCode.RESOURCE_EXHAUSTED,
-                         future_exception.exception().code())
-
-        self._trigger.trigger()
-
-        for future in futures:
-            self.assertEqual(_RESPONSE, future.result())
-
-        # Ensure a new request can be handled
-        self.assertEqual(_RESPONSE, multi_callable(request))
-
-    def testStreamStream(self):
-        multi_callable = self._channel.stream_stream(_STREAM_STREAM)
-        calls = []
-        request = iter([_REQUEST] * test_constants.STREAM_LENGTH)
-        for _ in range(test_constants.THREAD_CONCURRENCY):
-            calls.append(multi_callable(request))
-
-        self._trigger.await_calls()
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            next(multi_callable(request))
-
-        self.assertEqual(grpc.StatusCode.RESOURCE_EXHAUSTED,
-                         exception_context.exception.code())
-
-        self._trigger.trigger()
-
-        for call in calls:
-            for response in call:
-                self.assertEqual(_RESPONSE, response)
-
-        # Ensure a new request can be handled
-        new_call = multi_callable(request)
-        for response in new_call:
-            self.assertEqual(_RESPONSE, response)
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_rpc_part_1_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_rpc_part_1_test.py
deleted file mode 100644
index 0ffa9eff94f..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_rpc_part_1_test.py
+++ /dev/null
@@ -1,241 +0,0 @@
-# Copyright 2016 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Test of RPCs made against gRPC Python's application-layer API."""
-
-from concurrent import futures
-import itertools
-import logging
-import threading
-import unittest
-
-import grpc
-from grpc.framework.foundation import logging_pool
-
-from tests.unit import test_common
-from tests.unit._rpc_test_helpers import BaseRPCTest
-from tests.unit._rpc_test_helpers import Callback
-from tests.unit._rpc_test_helpers import TIMEOUT_SHORT
-from tests.unit._rpc_test_helpers import \
-    stream_stream_non_blocking_multi_callable
-from tests.unit._rpc_test_helpers import \
-    unary_stream_non_blocking_multi_callable
-from tests.unit._rpc_test_helpers import stream_stream_multi_callable
-from tests.unit._rpc_test_helpers import stream_unary_multi_callable
-from tests.unit._rpc_test_helpers import unary_stream_multi_callable
-from tests.unit._rpc_test_helpers import unary_unary_multi_callable
-from tests.unit.framework.common import test_constants
-
-
-@unittest.skipIf(test_common.running_under_gevent(),
-                 "This test is nondeterministic under gevent.")
-class RPCPart1Test(BaseRPCTest, unittest.TestCase):
-
-    def testExpiredStreamRequestBlockingUnaryResponse(self):
-        requests = tuple(
-            b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
-        request_iterator = iter(requests)
-
-        multi_callable = stream_unary_multi_callable(self._channel)
-        with self._control.pause():
-            with self.assertRaises(grpc.RpcError) as exception_context:
-                multi_callable(
-                    request_iterator,
-                    timeout=TIMEOUT_SHORT,
-                    metadata=(('test',
-                               'ExpiredStreamRequestBlockingUnaryResponse'),))
-
-        self.assertIsInstance(exception_context.exception, grpc.RpcError)
-        self.assertIsInstance(exception_context.exception, grpc.Call)
-        self.assertIsNotNone(exception_context.exception.initial_metadata())
-        self.assertIs(grpc.StatusCode.DEADLINE_EXCEEDED,
-                      exception_context.exception.code())
-        self.assertIsNotNone(exception_context.exception.details())
-        self.assertIsNotNone(exception_context.exception.trailing_metadata())
-
-    def testExpiredStreamRequestFutureUnaryResponse(self):
-        requests = tuple(
-            b'\x07\x18' for _ in range(test_constants.STREAM_LENGTH))
-        request_iterator = iter(requests)
-        callback = Callback()
-
-        multi_callable = stream_unary_multi_callable(self._channel)
-        with self._control.pause():
-            response_future = multi_callable.future(
-                request_iterator,
-                timeout=TIMEOUT_SHORT,
-                metadata=(('test', 'ExpiredStreamRequestFutureUnaryResponse'),))
-            with self.assertRaises(grpc.FutureTimeoutError):
-                response_future.result(timeout=TIMEOUT_SHORT / 2.0)
-            response_future.add_done_callback(callback)
-            value_passed_to_callback = callback.value()
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            response_future.result()
-        self.assertIs(grpc.StatusCode.DEADLINE_EXCEEDED, response_future.code())
-        self.assertIs(grpc.StatusCode.DEADLINE_EXCEEDED,
-                      exception_context.exception.code())
-        self.assertIsInstance(response_future.exception(), grpc.RpcError)
-        self.assertIsNotNone(response_future.traceback())
-        self.assertIs(response_future, value_passed_to_callback)
-        self.assertIsNotNone(response_future.initial_metadata())
-        self.assertIs(grpc.StatusCode.DEADLINE_EXCEEDED, response_future.code())
-        self.assertIsNotNone(response_future.details())
-        self.assertIsNotNone(response_future.trailing_metadata())
-
-    def testExpiredStreamRequestStreamResponse(self):
-        self._expired_stream_request_stream_response(
-            stream_stream_multi_callable(self._channel))
-
-    def testExpiredStreamRequestStreamResponseNonBlocking(self):
-        self._expired_stream_request_stream_response(
-            stream_stream_non_blocking_multi_callable(self._channel))
-
-    def testFailedUnaryRequestBlockingUnaryResponse(self):
-        request = b'\x37\x17'
-
-        multi_callable = unary_unary_multi_callable(self._channel)
-        with self._control.fail():
-            with self.assertRaises(grpc.RpcError) as exception_context:
-                multi_callable.with_call(
-                    request,
-                    metadata=(('test',
-                               'FailedUnaryRequestBlockingUnaryResponse'),))
-
-        self.assertIs(grpc.StatusCode.UNKNOWN,
-                      exception_context.exception.code())
-        # sanity checks on to make sure returned string contains default members
-        # of the error
-        debug_error_string = exception_context.exception.debug_error_string()
-        self.assertIn('created', debug_error_string)
-        self.assertIn('description', debug_error_string)
-        self.assertIn('file', debug_error_string)
-        self.assertIn('file_line', debug_error_string)
-
-    def testFailedUnaryRequestFutureUnaryResponse(self):
-        request = b'\x37\x17'
-        callback = Callback()
-
-        multi_callable = unary_unary_multi_callable(self._channel)
-        with self._control.fail():
-            response_future = multi_callable.future(
-                request,
-                metadata=(('test', 'FailedUnaryRequestFutureUnaryResponse'),))
-            response_future.add_done_callback(callback)
-            value_passed_to_callback = callback.value()
-
-        self.assertIsInstance(response_future, grpc.Future)
-        self.assertIsInstance(response_future, grpc.Call)
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            response_future.result()
-        self.assertIs(grpc.StatusCode.UNKNOWN,
-                      exception_context.exception.code())
-        self.assertIsInstance(response_future.exception(), grpc.RpcError)
-        self.assertIsNotNone(response_future.traceback())
-        self.assertIs(grpc.StatusCode.UNKNOWN,
-                      response_future.exception().code())
-        self.assertIs(response_future, value_passed_to_callback)
-
-    def testFailedUnaryRequestStreamResponse(self):
-        self._failed_unary_request_stream_response(
-            unary_stream_multi_callable(self._channel))
-
-    def testFailedUnaryRequestStreamResponseNonBlocking(self):
-        self._failed_unary_request_stream_response(
-            unary_stream_non_blocking_multi_callable(self._channel))
-
-    def testFailedStreamRequestBlockingUnaryResponse(self):
-        requests = tuple(
-            b'\x47\x58' for _ in range(test_constants.STREAM_LENGTH))
-        request_iterator = iter(requests)
-
-        multi_callable = stream_unary_multi_callable(self._channel)
-        with self._control.fail():
-            with self.assertRaises(grpc.RpcError) as exception_context:
-                multi_callable(
-                    request_iterator,
-                    metadata=(('test',
-                               'FailedStreamRequestBlockingUnaryResponse'),))
-
-        self.assertIs(grpc.StatusCode.UNKNOWN,
-                      exception_context.exception.code())
-
-    def testFailedStreamRequestFutureUnaryResponse(self):
-        requests = tuple(
-            b'\x07\x18' for _ in range(test_constants.STREAM_LENGTH))
-        request_iterator = iter(requests)
-        callback = Callback()
-
-        multi_callable = stream_unary_multi_callable(self._channel)
-        with self._control.fail():
-            response_future = multi_callable.future(
-                request_iterator,
-                metadata=(('test', 'FailedStreamRequestFutureUnaryResponse'),))
-            response_future.add_done_callback(callback)
-            value_passed_to_callback = callback.value()
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            response_future.result()
-        self.assertIs(grpc.StatusCode.UNKNOWN, response_future.code())
-        self.assertIs(grpc.StatusCode.UNKNOWN,
-                      exception_context.exception.code())
-        self.assertIsInstance(response_future.exception(), grpc.RpcError)
-        self.assertIsNotNone(response_future.traceback())
-        self.assertIs(response_future, value_passed_to_callback)
-
-    def testFailedStreamRequestStreamResponse(self):
-        self._failed_stream_request_stream_response(
-            stream_stream_multi_callable(self._channel))
-
-    def testFailedStreamRequestStreamResponseNonBlocking(self):
-        self._failed_stream_request_stream_response(
-            stream_stream_non_blocking_multi_callable(self._channel))
-
-    def testIgnoredUnaryRequestFutureUnaryResponse(self):
-        request = b'\x37\x17'
-
-        multi_callable = unary_unary_multi_callable(self._channel)
-        multi_callable.future(
-            request,
-            metadata=(('test', 'IgnoredUnaryRequestFutureUnaryResponse'),))
-
-    def testIgnoredUnaryRequestStreamResponse(self):
-        self._ignored_unary_stream_request_future_unary_response(
-            unary_stream_multi_callable(self._channel))
-
-    def testIgnoredUnaryRequestStreamResponseNonBlocking(self):
-        self._ignored_unary_stream_request_future_unary_response(
-            unary_stream_non_blocking_multi_callable(self._channel))
-
-    def testIgnoredStreamRequestFutureUnaryResponse(self):
-        requests = tuple(
-            b'\x07\x18' for _ in range(test_constants.STREAM_LENGTH))
-        request_iterator = iter(requests)
-
-        multi_callable = stream_unary_multi_callable(self._channel)
-        multi_callable.future(
-            request_iterator,
-            metadata=(('test', 'IgnoredStreamRequestFutureUnaryResponse'),))
-
-    def testIgnoredStreamRequestStreamResponse(self):
-        self._ignored_stream_request_stream_response(
-            stream_stream_multi_callable(self._channel))
-
-    def testIgnoredStreamRequestStreamResponseNonBlocking(self):
-        self._ignored_stream_request_stream_response(
-            stream_stream_non_blocking_multi_callable(self._channel))
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_rpc_part_2_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_rpc_part_2_test.py
deleted file mode 100644
index 6a82a9588f6..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_rpc_part_2_test.py
+++ /dev/null
@@ -1,435 +0,0 @@
-# Copyright 2016 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Test of RPCs made against gRPC Python's application-layer API."""
-
-from concurrent import futures
-import itertools
-import logging
-import threading
-import unittest
-
-import grpc
-from grpc.framework.foundation import logging_pool
-
-from tests.unit import test_common
-from tests.unit._rpc_test_helpers import BaseRPCTest
-from tests.unit._rpc_test_helpers import Callback
-from tests.unit._rpc_test_helpers import TIMEOUT_SHORT
-from tests.unit._rpc_test_helpers import \
-    stream_stream_non_blocking_multi_callable
-from tests.unit._rpc_test_helpers import \
-    unary_stream_non_blocking_multi_callable
-from tests.unit._rpc_test_helpers import stream_stream_multi_callable
-from tests.unit._rpc_test_helpers import stream_unary_multi_callable
-from tests.unit._rpc_test_helpers import unary_stream_multi_callable
-from tests.unit._rpc_test_helpers import unary_unary_multi_callable
-from tests.unit.framework.common import test_constants
-
-
-@unittest.skipIf(test_common.running_under_gevent(),
-                 "Causes deadlock under gevent.")
-class RPCPart2Test(BaseRPCTest, unittest.TestCase):
-
-    def testDefaultThreadPoolIsUsed(self):
-        self._consume_one_stream_response_unary_request(
-            unary_stream_multi_callable(self._channel))
-        self.assertFalse(self._thread_pool.was_used())
-
-    def testExperimentalThreadPoolIsUsed(self):
-        self._consume_one_stream_response_unary_request(
-            unary_stream_non_blocking_multi_callable(self._channel))
-        self.assertTrue(self._thread_pool.was_used())
-
-    def testUnrecognizedMethod(self):
-        request = b'abc'
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            self._channel.unary_unary('NoSuchMethod')(request)
-
-        self.assertEqual(grpc.StatusCode.UNIMPLEMENTED,
-                         exception_context.exception.code())
-
-    def testSuccessfulUnaryRequestBlockingUnaryResponse(self):
-        request = b'\x07\x08'
-        expected_response = self._handler.handle_unary_unary(request, None)
-
-        multi_callable = unary_unary_multi_callable(self._channel)
-        response = multi_callable(
-            request,
-            metadata=(('test', 'SuccessfulUnaryRequestBlockingUnaryResponse'),))
-
-        self.assertEqual(expected_response, response)
-
-    def testSuccessfulUnaryRequestBlockingUnaryResponseWithCall(self):
-        request = b'\x07\x08'
-        expected_response = self._handler.handle_unary_unary(request, None)
-
-        multi_callable = unary_unary_multi_callable(self._channel)
-        response, call = multi_callable.with_call(
-            request,
-            metadata=(('test',
-                       'SuccessfulUnaryRequestBlockingUnaryResponseWithCall'),))
-
-        self.assertEqual(expected_response, response)
-        self.assertIs(grpc.StatusCode.OK, call.code())
-        self.assertEqual('', call.debug_error_string())
-
-    def testSuccessfulUnaryRequestFutureUnaryResponse(self):
-        request = b'\x07\x08'
-        expected_response = self._handler.handle_unary_unary(request, None)
-
-        multi_callable = unary_unary_multi_callable(self._channel)
-        response_future = multi_callable.future(
-            request,
-            metadata=(('test', 'SuccessfulUnaryRequestFutureUnaryResponse'),))
-        response = response_future.result()
-
-        self.assertIsInstance(response_future, grpc.Future)
-        self.assertIsInstance(response_future, grpc.Call)
-        self.assertEqual(expected_response, response)
-        self.assertIsNone(response_future.exception())
-        self.assertIsNone(response_future.traceback())
-
-    def testSuccessfulUnaryRequestStreamResponse(self):
-        request = b'\x37\x58'
-        expected_responses = tuple(
-            self._handler.handle_unary_stream(request, None))
-
-        multi_callable = unary_stream_multi_callable(self._channel)
-        response_iterator = multi_callable(
-            request,
-            metadata=(('test', 'SuccessfulUnaryRequestStreamResponse'),))
-        responses = tuple(response_iterator)
-
-        self.assertSequenceEqual(expected_responses, responses)
-
-    def testSuccessfulStreamRequestBlockingUnaryResponse(self):
-        requests = tuple(
-            b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
-        expected_response = self._handler.handle_stream_unary(
-            iter(requests), None)
-        request_iterator = iter(requests)
-
-        multi_callable = stream_unary_multi_callable(self._channel)
-        response = multi_callable(
-            request_iterator,
-            metadata=(('test',
-                       'SuccessfulStreamRequestBlockingUnaryResponse'),))
-
-        self.assertEqual(expected_response, response)
-
-    def testSuccessfulStreamRequestBlockingUnaryResponseWithCall(self):
-        requests = tuple(
-            b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
-        expected_response = self._handler.handle_stream_unary(
-            iter(requests), None)
-        request_iterator = iter(requests)
-
-        multi_callable = stream_unary_multi_callable(self._channel)
-        response, call = multi_callable.with_call(
-            request_iterator,
-            metadata=(
-                ('test',
-                 'SuccessfulStreamRequestBlockingUnaryResponseWithCall'),))
-
-        self.assertEqual(expected_response, response)
-        self.assertIs(grpc.StatusCode.OK, call.code())
-
-    def testSuccessfulStreamRequestFutureUnaryResponse(self):
-        requests = tuple(
-            b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
-        expected_response = self._handler.handle_stream_unary(
-            iter(requests), None)
-        request_iterator = iter(requests)
-
-        multi_callable = stream_unary_multi_callable(self._channel)
-        response_future = multi_callable.future(
-            request_iterator,
-            metadata=(('test', 'SuccessfulStreamRequestFutureUnaryResponse'),))
-        response = response_future.result()
-
-        self.assertEqual(expected_response, response)
-        self.assertIsNone(response_future.exception())
-        self.assertIsNone(response_future.traceback())
-
-    def testSuccessfulStreamRequestStreamResponse(self):
-        requests = tuple(
-            b'\x77\x58' for _ in range(test_constants.STREAM_LENGTH))
-
-        expected_responses = tuple(
-            self._handler.handle_stream_stream(iter(requests), None))
-        request_iterator = iter(requests)
-
-        multi_callable = stream_stream_multi_callable(self._channel)
-        response_iterator = multi_callable(
-            request_iterator,
-            metadata=(('test', 'SuccessfulStreamRequestStreamResponse'),))
-        responses = tuple(response_iterator)
-
-        self.assertSequenceEqual(expected_responses, responses)
-
-    def testSequentialInvocations(self):
-        first_request = b'\x07\x08'
-        second_request = b'\x0809'
-        expected_first_response = self._handler.handle_unary_unary(
-            first_request, None)
-        expected_second_response = self._handler.handle_unary_unary(
-            second_request, None)
-
-        multi_callable = unary_unary_multi_callable(self._channel)
-        first_response = multi_callable(first_request,
-                                        metadata=(('test',
-                                                   'SequentialInvocations'),))
-        second_response = multi_callable(second_request,
-                                         metadata=(('test',
-                                                    'SequentialInvocations'),))
-
-        self.assertEqual(expected_first_response, first_response)
-        self.assertEqual(expected_second_response, second_response)
-
-    def testConcurrentBlockingInvocations(self):
-        pool = logging_pool.pool(test_constants.THREAD_CONCURRENCY)
-        requests = tuple(
-            b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
-        expected_response = self._handler.handle_stream_unary(
-            iter(requests), None)
-        expected_responses = [expected_response
-                             ] * test_constants.THREAD_CONCURRENCY
-        response_futures = [None] * test_constants.THREAD_CONCURRENCY
-
-        multi_callable = stream_unary_multi_callable(self._channel)
-        for index in range(test_constants.THREAD_CONCURRENCY):
-            request_iterator = iter(requests)
-            response_future = pool.submit(
-                multi_callable,
-                request_iterator,
-                metadata=(('test', 'ConcurrentBlockingInvocations'),))
-            response_futures[index] = response_future
-        responses = tuple(
-            response_future.result() for response_future in response_futures)
-
-        pool.shutdown(wait=True)
-        self.assertSequenceEqual(expected_responses, responses)
-
-    def testConcurrentFutureInvocations(self):
-        requests = tuple(
-            b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
-        expected_response = self._handler.handle_stream_unary(
-            iter(requests), None)
-        expected_responses = [expected_response
-                             ] * test_constants.THREAD_CONCURRENCY
-        response_futures = [None] * test_constants.THREAD_CONCURRENCY
-
-        multi_callable = stream_unary_multi_callable(self._channel)
-        for index in range(test_constants.THREAD_CONCURRENCY):
-            request_iterator = iter(requests)
-            response_future = multi_callable.future(
-                request_iterator,
-                metadata=(('test', 'ConcurrentFutureInvocations'),))
-            response_futures[index] = response_future
-        responses = tuple(
-            response_future.result() for response_future in response_futures)
-
-        self.assertSequenceEqual(expected_responses, responses)
-
-    def testWaitingForSomeButNotAllConcurrentFutureInvocations(self):
-        pool = logging_pool.pool(test_constants.THREAD_CONCURRENCY)
-        request = b'\x67\x68'
-        expected_response = self._handler.handle_unary_unary(request, None)
-        response_futures = [None] * test_constants.THREAD_CONCURRENCY
-        lock = threading.Lock()
-        test_is_running_cell = [True]
-
-        def wrap_future(future):
-
-            def wrap():
-                try:
-                    return future.result()
-                except grpc.RpcError:
-                    with lock:
-                        if test_is_running_cell[0]:
-                            raise
-                    return None
-
-            return wrap
-
-        multi_callable = unary_unary_multi_callable(self._channel)
-        for index in range(test_constants.THREAD_CONCURRENCY):
-            inner_response_future = multi_callable.future(
-                request,
-                metadata=(
-                    ('test',
-                     'WaitingForSomeButNotAllConcurrentFutureInvocations'),))
-            outer_response_future = pool.submit(
-                wrap_future(inner_response_future))
-            response_futures[index] = outer_response_future
-
-        some_completed_response_futures_iterator = itertools.islice(
-            futures.as_completed(response_futures),
-            test_constants.THREAD_CONCURRENCY // 2)
-        for response_future in some_completed_response_futures_iterator:
-            self.assertEqual(expected_response, response_future.result())
-        with lock:
-            test_is_running_cell[0] = False
-
-    def testConsumingOneStreamResponseUnaryRequest(self):
-        self._consume_one_stream_response_unary_request(
-            unary_stream_multi_callable(self._channel))
-
-    def testConsumingOneStreamResponseUnaryRequestNonBlocking(self):
-        self._consume_one_stream_response_unary_request(
-            unary_stream_non_blocking_multi_callable(self._channel))
-
-    def testConsumingSomeButNotAllStreamResponsesUnaryRequest(self):
-        self._consume_some_but_not_all_stream_responses_unary_request(
-            unary_stream_multi_callable(self._channel))
-
-    def testConsumingSomeButNotAllStreamResponsesUnaryRequestNonBlocking(self):
-        self._consume_some_but_not_all_stream_responses_unary_request(
-            unary_stream_non_blocking_multi_callable(self._channel))
-
-    def testConsumingSomeButNotAllStreamResponsesStreamRequest(self):
-        self._consume_some_but_not_all_stream_responses_stream_request(
-            stream_stream_multi_callable(self._channel))
-
-    def testConsumingSomeButNotAllStreamResponsesStreamRequestNonBlocking(self):
-        self._consume_some_but_not_all_stream_responses_stream_request(
-            stream_stream_non_blocking_multi_callable(self._channel))
-
-    def testConsumingTooManyStreamResponsesStreamRequest(self):
-        self._consume_too_many_stream_responses_stream_request(
-            stream_stream_multi_callable(self._channel))
-
-    def testConsumingTooManyStreamResponsesStreamRequestNonBlocking(self):
-        self._consume_too_many_stream_responses_stream_request(
-            stream_stream_non_blocking_multi_callable(self._channel))
-
-    def testCancelledUnaryRequestUnaryResponse(self):
-        request = b'\x07\x17'
-
-        multi_callable = unary_unary_multi_callable(self._channel)
-        with self._control.pause():
-            response_future = multi_callable.future(
-                request,
-                metadata=(('test', 'CancelledUnaryRequestUnaryResponse'),))
-            response_future.cancel()
-
-        self.assertIs(grpc.StatusCode.CANCELLED, response_future.code())
-        self.assertTrue(response_future.cancelled())
-        with self.assertRaises(grpc.FutureCancelledError):
-            response_future.result()
-        with self.assertRaises(grpc.FutureCancelledError):
-            response_future.exception()
-        with self.assertRaises(grpc.FutureCancelledError):
-            response_future.traceback()
-
-    def testCancelledUnaryRequestStreamResponse(self):
-        self._cancelled_unary_request_stream_response(
-            unary_stream_multi_callable(self._channel))
-
-    def testCancelledUnaryRequestStreamResponseNonBlocking(self):
-        self._cancelled_unary_request_stream_response(
-            unary_stream_non_blocking_multi_callable(self._channel))
-
-    def testCancelledStreamRequestUnaryResponse(self):
-        requests = tuple(
-            b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
-        request_iterator = iter(requests)
-
-        multi_callable = stream_unary_multi_callable(self._channel)
-        with self._control.pause():
-            response_future = multi_callable.future(
-                request_iterator,
-                metadata=(('test', 'CancelledStreamRequestUnaryResponse'),))
-            self._control.block_until_paused()
-            response_future.cancel()
-
-        self.assertIs(grpc.StatusCode.CANCELLED, response_future.code())
-        self.assertTrue(response_future.cancelled())
-        with self.assertRaises(grpc.FutureCancelledError):
-            response_future.result()
-        with self.assertRaises(grpc.FutureCancelledError):
-            response_future.exception()
-        with self.assertRaises(grpc.FutureCancelledError):
-            response_future.traceback()
-        self.assertIsNotNone(response_future.initial_metadata())
-        self.assertIsNotNone(response_future.details())
-        self.assertIsNotNone(response_future.trailing_metadata())
-
-    def testCancelledStreamRequestStreamResponse(self):
-        self._cancelled_stream_request_stream_response(
-            stream_stream_multi_callable(self._channel))
-
-    def testCancelledStreamRequestStreamResponseNonBlocking(self):
-        self._cancelled_stream_request_stream_response(
-            stream_stream_non_blocking_multi_callable(self._channel))
-
-    def testExpiredUnaryRequestBlockingUnaryResponse(self):
-        request = b'\x07\x17'
-
-        multi_callable = unary_unary_multi_callable(self._channel)
-        with self._control.pause():
-            with self.assertRaises(grpc.RpcError) as exception_context:
-                multi_callable.with_call(
-                    request,
-                    timeout=TIMEOUT_SHORT,
-                    metadata=(('test',
-                               'ExpiredUnaryRequestBlockingUnaryResponse'),))
-
-        self.assertIsInstance(exception_context.exception, grpc.Call)
-        self.assertIsNotNone(exception_context.exception.initial_metadata())
-        self.assertIs(grpc.StatusCode.DEADLINE_EXCEEDED,
-                      exception_context.exception.code())
-        self.assertIsNotNone(exception_context.exception.details())
-        self.assertIsNotNone(exception_context.exception.trailing_metadata())
-
-    def testExpiredUnaryRequestFutureUnaryResponse(self):
-        request = b'\x07\x17'
-        callback = Callback()
-
-        multi_callable = unary_unary_multi_callable(self._channel)
-        with self._control.pause():
-            response_future = multi_callable.future(
-                request,
-                timeout=TIMEOUT_SHORT,
-                metadata=(('test', 'ExpiredUnaryRequestFutureUnaryResponse'),))
-            response_future.add_done_callback(callback)
-            value_passed_to_callback = callback.value()
-
-        self.assertIs(response_future, value_passed_to_callback)
-        self.assertIsNotNone(response_future.initial_metadata())
-        self.assertIs(grpc.StatusCode.DEADLINE_EXCEEDED, response_future.code())
-        self.assertIsNotNone(response_future.details())
-        self.assertIsNotNone(response_future.trailing_metadata())
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            response_future.result()
-        self.assertIs(grpc.StatusCode.DEADLINE_EXCEEDED,
-                      exception_context.exception.code())
-        self.assertIsInstance(response_future.exception(), grpc.RpcError)
-        self.assertIsNotNone(response_future.traceback())
-        self.assertIs(grpc.StatusCode.DEADLINE_EXCEEDED,
-                      response_future.exception().code())
-
-    def testExpiredUnaryRequestStreamResponse(self):
-        self._expired_unary_request_stream_response(
-            unary_stream_multi_callable(self._channel))
-
-    def testExpiredUnaryRequestStreamResponseNonBlocking(self):
-        self._expired_unary_request_stream_response(
-            unary_stream_non_blocking_multi_callable(self._channel))
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_rpc_test_helpers.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_rpc_test_helpers.py
deleted file mode 100644
index a3f18a9a490..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_rpc_test_helpers.py
+++ /dev/null
@@ -1,417 +0,0 @@
-# Copyright 2020 The gRPC Authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Test helpers for RPC invocation tests."""
-
-import datetime
-import threading
-
-import grpc
-from grpc.framework.foundation import logging_pool
-
-from tests.unit import test_common
-from tests.unit import thread_pool
-from tests.unit.framework.common import test_constants
-from tests.unit.framework.common import test_control
-
-_SERIALIZE_REQUEST = lambda bytestring: bytestring * 2
-_DESERIALIZE_REQUEST = lambda bytestring: bytestring[len(bytestring) // 2:]
-_SERIALIZE_RESPONSE = lambda bytestring: bytestring * 3
-_DESERIALIZE_RESPONSE = lambda bytestring: bytestring[:len(bytestring) // 3]
-
-_UNARY_UNARY = '/test/UnaryUnary'
-_UNARY_STREAM = '/test/UnaryStream'
-_UNARY_STREAM_NON_BLOCKING = '/test/UnaryStreamNonBlocking'
-_STREAM_UNARY = '/test/StreamUnary'
-_STREAM_STREAM = '/test/StreamStream'
-_STREAM_STREAM_NON_BLOCKING = '/test/StreamStreamNonBlocking'
-
-TIMEOUT_SHORT = datetime.timedelta(seconds=1).total_seconds()
-
-
-class Callback(object):
-
-    def __init__(self):
-        self._condition = threading.Condition()
-        self._value = None
-        self._called = False
-
-    def __call__(self, value):
-        with self._condition:
-            self._value = value
-            self._called = True
-            self._condition.notify_all()
-
-    def value(self):
-        with self._condition:
-            while not self._called:
-                self._condition.wait()
-            return self._value
-
-
-class _Handler(object):
-
-    def __init__(self, control, thread_pool):
-        self._control = control
-        self._thread_pool = thread_pool
-        non_blocking_functions = (self.handle_unary_stream_non_blocking,
-                                  self.handle_stream_stream_non_blocking)
-        for non_blocking_function in non_blocking_functions:
-            non_blocking_function.__func__.experimental_non_blocking = True
-            non_blocking_function.__func__.experimental_thread_pool = self._thread_pool
-
-    def handle_unary_unary(self, request, servicer_context):
-        self._control.control()
-        if servicer_context is not None:
-            servicer_context.set_trailing_metadata(((
-                'testkey',
-                'testvalue',
-            ),))
-            # TODO(https://github.com/grpc/grpc/issues/8483): test the values
-            # returned by these methods rather than only "smoke" testing that
-            # the return after having been called.
-            servicer_context.is_active()
-            servicer_context.time_remaining()
-        return request
-
-    def handle_unary_stream(self, request, servicer_context):
-        for _ in range(test_constants.STREAM_LENGTH):
-            self._control.control()
-            yield request
-        self._control.control()
-        if servicer_context is not None:
-            servicer_context.set_trailing_metadata(((
-                'testkey',
-                'testvalue',
-            ),))
-
-    def handle_unary_stream_non_blocking(self, request, servicer_context,
-                                         on_next):
-        for _ in range(test_constants.STREAM_LENGTH):
-            self._control.control()
-            on_next(request)
-        self._control.control()
-        if servicer_context is not None:
-            servicer_context.set_trailing_metadata(((
-                'testkey',
-                'testvalue',
-            ),))
-        on_next(None)
-
-    def handle_stream_unary(self, request_iterator, servicer_context):
-        if servicer_context is not None:
-            servicer_context.invocation_metadata()
-        self._control.control()
-        response_elements = []
-        for request in request_iterator:
-            self._control.control()
-            response_elements.append(request)
-        self._control.control()
-        if servicer_context is not None:
-            servicer_context.set_trailing_metadata(((
-                'testkey',
-                'testvalue',
-            ),))
-        return b''.join(response_elements)
-
-    def handle_stream_stream(self, request_iterator, servicer_context):
-        self._control.control()
-        if servicer_context is not None:
-            servicer_context.set_trailing_metadata(((
-                'testkey',
-                'testvalue',
-            ),))
-        for request in request_iterator:
-            self._control.control()
-            yield request
-        self._control.control()
-
-    def handle_stream_stream_non_blocking(self, request_iterator,
-                                          servicer_context, on_next):
-        self._control.control()
-        if servicer_context is not None:
-            servicer_context.set_trailing_metadata(((
-                'testkey',
-                'testvalue',
-            ),))
-        for request in request_iterator:
-            self._control.control()
-            on_next(request)
-        self._control.control()
-        on_next(None)
-
-
-class _MethodHandler(grpc.RpcMethodHandler):
-
-    def __init__(self, request_streaming, response_streaming,
-                 request_deserializer, response_serializer, unary_unary,
-                 unary_stream, stream_unary, stream_stream):
-        self.request_streaming = request_streaming
-        self.response_streaming = response_streaming
-        self.request_deserializer = request_deserializer
-        self.response_serializer = response_serializer
-        self.unary_unary = unary_unary
-        self.unary_stream = unary_stream
-        self.stream_unary = stream_unary
-        self.stream_stream = stream_stream
-
-
-class _GenericHandler(grpc.GenericRpcHandler):
-
-    def __init__(self, handler):
-        self._handler = handler
-
-    def service(self, handler_call_details):
-        if handler_call_details.method == _UNARY_UNARY:
-            return _MethodHandler(False, False, None, None,
-                                  self._handler.handle_unary_unary, None, None,
-                                  None)
-        elif handler_call_details.method == _UNARY_STREAM:
-            return _MethodHandler(False, True, _DESERIALIZE_REQUEST,
-                                  _SERIALIZE_RESPONSE, None,
-                                  self._handler.handle_unary_stream, None, None)
-        elif handler_call_details.method == _UNARY_STREAM_NON_BLOCKING:
-            return _MethodHandler(
-                False, True, _DESERIALIZE_REQUEST, _SERIALIZE_RESPONSE, None,
-                self._handler.handle_unary_stream_non_blocking, None, None)
-        elif handler_call_details.method == _STREAM_UNARY:
-            return _MethodHandler(True, False, _DESERIALIZE_REQUEST,
-                                  _SERIALIZE_RESPONSE, None, None,
-                                  self._handler.handle_stream_unary, None)
-        elif handler_call_details.method == _STREAM_STREAM:
-            return _MethodHandler(True, True, None, None, None, None, None,
-                                  self._handler.handle_stream_stream)
-        elif handler_call_details.method == _STREAM_STREAM_NON_BLOCKING:
-            return _MethodHandler(
-                True, True, None, None, None, None, None,
-                self._handler.handle_stream_stream_non_blocking)
-        else:
-            return None
-
-
-def unary_unary_multi_callable(channel):
-    return channel.unary_unary(_UNARY_UNARY)
-
-
-def unary_stream_multi_callable(channel):
-    return channel.unary_stream(_UNARY_STREAM,
-                                request_serializer=_SERIALIZE_REQUEST,
-                                response_deserializer=_DESERIALIZE_RESPONSE)
-
-
-def unary_stream_non_blocking_multi_callable(channel):
-    return channel.unary_stream(_UNARY_STREAM_NON_BLOCKING,
-                                request_serializer=_SERIALIZE_REQUEST,
-                                response_deserializer=_DESERIALIZE_RESPONSE)
-
-
-def stream_unary_multi_callable(channel):
-    return channel.stream_unary(_STREAM_UNARY,
-                                request_serializer=_SERIALIZE_REQUEST,
-                                response_deserializer=_DESERIALIZE_RESPONSE)
-
-
-def stream_stream_multi_callable(channel):
-    return channel.stream_stream(_STREAM_STREAM)
-
-
-def stream_stream_non_blocking_multi_callable(channel):
-    return channel.stream_stream(_STREAM_STREAM_NON_BLOCKING)
-
-
-class BaseRPCTest(object):
-
-    def setUp(self):
-        self._control = test_control.PauseFailControl()
-        self._thread_pool = thread_pool.RecordingThreadPool(max_workers=None)
-        self._handler = _Handler(self._control, self._thread_pool)
-
-        self._server = test_common.test_server()
-        port = self._server.add_insecure_port('[::]:0')
-        self._server.add_generic_rpc_handlers((_GenericHandler(self._handler),))
-        self._server.start()
-
-        self._channel = grpc.insecure_channel('localhost:%d' % port)
-
-    def tearDown(self):
-        self._server.stop(None)
-        self._channel.close()
-
-    def _consume_one_stream_response_unary_request(self, multi_callable):
-        request = b'\x57\x38'
-
-        response_iterator = multi_callable(
-            request,
-            metadata=(('test', 'ConsumingOneStreamResponseUnaryRequest'),))
-        next(response_iterator)
-
-    def _consume_some_but_not_all_stream_responses_unary_request(
-            self, multi_callable):
-        request = b'\x57\x38'
-
-        response_iterator = multi_callable(
-            request,
-            metadata=(('test',
-                       'ConsumingSomeButNotAllStreamResponsesUnaryRequest'),))
-        for _ in range(test_constants.STREAM_LENGTH // 2):
-            next(response_iterator)
-
-    def _consume_some_but_not_all_stream_responses_stream_request(
-            self, multi_callable):
-        requests = tuple(
-            b'\x67\x88' for _ in range(test_constants.STREAM_LENGTH))
-        request_iterator = iter(requests)
-
-        response_iterator = multi_callable(
-            request_iterator,
-            metadata=(('test',
-                       'ConsumingSomeButNotAllStreamResponsesStreamRequest'),))
-        for _ in range(test_constants.STREAM_LENGTH // 2):
-            next(response_iterator)
-
-    def _consume_too_many_stream_responses_stream_request(self, multi_callable):
-        requests = tuple(
-            b'\x67\x88' for _ in range(test_constants.STREAM_LENGTH))
-        request_iterator = iter(requests)
-
-        response_iterator = multi_callable(
-            request_iterator,
-            metadata=(('test',
-                       'ConsumingTooManyStreamResponsesStreamRequest'),))
-        for _ in range(test_constants.STREAM_LENGTH):
-            next(response_iterator)
-        for _ in range(test_constants.STREAM_LENGTH):
-            with self.assertRaises(StopIteration):
-                next(response_iterator)
-
-        self.assertIsNotNone(response_iterator.initial_metadata())
-        self.assertIs(grpc.StatusCode.OK, response_iterator.code())
-        self.assertIsNotNone(response_iterator.details())
-        self.assertIsNotNone(response_iterator.trailing_metadata())
-
-    def _cancelled_unary_request_stream_response(self, multi_callable):
-        request = b'\x07\x19'
-
-        with self._control.pause():
-            response_iterator = multi_callable(
-                request,
-                metadata=(('test', 'CancelledUnaryRequestStreamResponse'),))
-            self._control.block_until_paused()
-            response_iterator.cancel()
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            next(response_iterator)
-        self.assertIs(grpc.StatusCode.CANCELLED,
-                      exception_context.exception.code())
-        self.assertIsNotNone(response_iterator.initial_metadata())
-        self.assertIs(grpc.StatusCode.CANCELLED, response_iterator.code())
-        self.assertIsNotNone(response_iterator.details())
-        self.assertIsNotNone(response_iterator.trailing_metadata())
-
-    def _cancelled_stream_request_stream_response(self, multi_callable):
-        requests = tuple(
-            b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
-        request_iterator = iter(requests)
-
-        with self._control.pause():
-            response_iterator = multi_callable(
-                request_iterator,
-                metadata=(('test', 'CancelledStreamRequestStreamResponse'),))
-            response_iterator.cancel()
-
-        with self.assertRaises(grpc.RpcError):
-            next(response_iterator)
-        self.assertIsNotNone(response_iterator.initial_metadata())
-        self.assertIs(grpc.StatusCode.CANCELLED, response_iterator.code())
-        self.assertIsNotNone(response_iterator.details())
-        self.assertIsNotNone(response_iterator.trailing_metadata())
-
-    def _expired_unary_request_stream_response(self, multi_callable):
-        request = b'\x07\x19'
-
-        with self._control.pause():
-            with self.assertRaises(grpc.RpcError) as exception_context:
-                response_iterator = multi_callable(
-                    request,
-                    timeout=test_constants.SHORT_TIMEOUT,
-                    metadata=(('test', 'ExpiredUnaryRequestStreamResponse'),))
-                next(response_iterator)
-
-        self.assertIs(grpc.StatusCode.DEADLINE_EXCEEDED,
-                      exception_context.exception.code())
-        self.assertIs(grpc.StatusCode.DEADLINE_EXCEEDED,
-                      response_iterator.code())
-
-    def _expired_stream_request_stream_response(self, multi_callable):
-        requests = tuple(
-            b'\x67\x18' for _ in range(test_constants.STREAM_LENGTH))
-        request_iterator = iter(requests)
-
-        with self._control.pause():
-            with self.assertRaises(grpc.RpcError) as exception_context:
-                response_iterator = multi_callable(
-                    request_iterator,
-                    timeout=test_constants.SHORT_TIMEOUT,
-                    metadata=(('test', 'ExpiredStreamRequestStreamResponse'),))
-                next(response_iterator)
-
-        self.assertIs(grpc.StatusCode.DEADLINE_EXCEEDED,
-                      exception_context.exception.code())
-        self.assertIs(grpc.StatusCode.DEADLINE_EXCEEDED,
-                      response_iterator.code())
-
-    def _failed_unary_request_stream_response(self, multi_callable):
-        request = b'\x37\x17'
-
-        with self.assertRaises(grpc.RpcError) as exception_context:
-            with self._control.fail():
-                response_iterator = multi_callable(
-                    request,
-                    metadata=(('test', 'FailedUnaryRequestStreamResponse'),))
-                next(response_iterator)
-
-        self.assertIs(grpc.StatusCode.UNKNOWN,
-                      exception_context.exception.code())
-
-    def _failed_stream_request_stream_response(self, multi_callable):
-        requests = tuple(
-            b'\x67\x88' for _ in range(test_constants.STREAM_LENGTH))
-        request_iterator = iter(requests)
-
-        with self._control.fail():
-            with self.assertRaises(grpc.RpcError) as exception_context:
-                response_iterator = multi_callable(
-                    request_iterator,
-                    metadata=(('test', 'FailedStreamRequestStreamResponse'),))
-                tuple(response_iterator)
-
-        self.assertIs(grpc.StatusCode.UNKNOWN,
-                      exception_context.exception.code())
-        self.assertIs(grpc.StatusCode.UNKNOWN, response_iterator.code())
-
-    def _ignored_unary_stream_request_future_unary_response(
-            self, multi_callable):
-        request = b'\x37\x17'
-
-        multi_callable(request,
-                       metadata=(('test',
-                                  'IgnoredUnaryRequestStreamResponse'),))
-
-    def _ignored_stream_request_stream_response(self, multi_callable):
-        requests = tuple(
-            b'\x67\x88' for _ in range(test_constants.STREAM_LENGTH))
-        request_iterator = iter(requests)
-
-        multi_callable(request_iterator,
-                       metadata=(('test',
-                                  'IgnoredStreamRequestStreamResponse'),))
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_server_shutdown_scenarios.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_server_shutdown_scenarios.py
deleted file mode 100644
index 42f69ebe88b..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_server_shutdown_scenarios.py
+++ /dev/null
@@ -1,97 +0,0 @@
-# Copyright 2018 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Defines a number of module-scope gRPC scenarios to test server shutdown."""
-
-import argparse
-from concurrent import futures
-import logging
-import os
-import threading
-import time
-
-import grpc
-from six.moves import queue
-
-from tests.unit import test_common
-
-WAIT_TIME = 1000
-
-REQUEST = b'request'
-RESPONSE = b'response'
-
-SERVER_RAISES_EXCEPTION = 'server_raises_exception'
-SERVER_DEALLOCATED = 'server_deallocated'
-SERVER_FORK_CAN_EXIT = 'server_fork_can_exit'
-
-FORK_EXIT = '/test/ForkExit'
-
-
-def fork_and_exit(request, servicer_context):
-    pid = os.fork()
-    if pid == 0:
-        os._exit(0)
-    return RESPONSE
-
-
-class GenericHandler(grpc.GenericRpcHandler):
-
-    def service(self, handler_call_details):
-        if handler_call_details.method == FORK_EXIT:
-            return grpc.unary_unary_rpc_method_handler(fork_and_exit)
-        else:
-            return None
-
-
-def run_server(port_queue):
-    server = test_common.test_server()
-    port = server.add_insecure_port('[::]:0')
-    port_queue.put(port)
-    server.add_generic_rpc_handlers((GenericHandler(),))
-    server.start()
-    # threading.Event.wait() does not exhibit the bug identified in
-    # https://github.com/grpc/grpc/issues/17093, sleep instead
-    time.sleep(WAIT_TIME)
-
-
-def run_test(args):
-    if args.scenario == SERVER_RAISES_EXCEPTION:
-        server = test_common.test_server()
-        server.start()
-        raise Exception()
-    elif args.scenario == SERVER_DEALLOCATED:
-        server = test_common.test_server()
-        server.start()
-        server.__del__()
-        while server._state.stage != grpc._server._ServerStage.STOPPED:
-            pass
-    elif args.scenario == SERVER_FORK_CAN_EXIT:
-        port_queue = queue.Queue()
-        thread = threading.Thread(target=run_server, args=(port_queue,))
-        thread.daemon = True
-        thread.start()
-        port = port_queue.get()
-        channel = grpc.insecure_channel('localhost:%d' % port)
-        multi_callable = channel.unary_unary(FORK_EXIT)
-        result, call = multi_callable.with_call(REQUEST, wait_for_ready=True)
-        os.wait()
-    else:
-        raise ValueError('unknown test scenario')
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    parser = argparse.ArgumentParser()
-    parser.add_argument('scenario', type=str)
-    args = parser.parse_args()
-    run_test(args)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_server_shutdown_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_server_shutdown_test.py
deleted file mode 100644
index 31f45d6f3b2..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_server_shutdown_test.py
+++ /dev/null
@@ -1,95 +0,0 @@
-# Copyright 2018 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests clean shutdown of server on various interpreter exit conditions.
-
-The tests in this module spawn a subprocess for each test case, the
-test is considered successful if it doesn't freeze/timeout.
-"""
-
-import atexit
-import logging
-import os
-import subprocess
-import sys
-import threading
-import unittest
-
-from tests.unit import _server_shutdown_scenarios
-
-INTERPRETER = sys.executable
-BASE_COMMAND = [INTERPRETER, '-m', 'tests.unit._server_shutdown_scenarios']
-
-processes = []
-process_lock = threading.Lock()
-
-
-# Make sure we attempt to clean up any
-# processes we may have left running
-def cleanup_processes():
-    with process_lock:
-        for process in processes:
-            try:
-                process.kill()
-            except Exception:  # pylint: disable=broad-except
-                pass
-
-
-atexit.register(cleanup_processes)
-
-
-def wait(process):
-    with process_lock:
-        processes.append(process)
-    process.wait()
-
-
-class ServerShutdown(unittest.TestCase):
-
-    # Currently we shut down a server (if possible) after the Python server
-    # instance is garbage collected. This behavior may change in the future.
-    def test_deallocated_server_stops(self):
-        env = os.environ.copy()
-        env['Y_PYTHON_ENTRY_POINT'] = ':main'
-        process = subprocess.Popen(
-            BASE_COMMAND + [_server_shutdown_scenarios.SERVER_DEALLOCATED],
-            stdout=sys.stdout,
-            stderr=sys.stderr,
-            env=env)
-        wait(process)
-
-    def test_server_exception_exits(self):
-        env = os.environ.copy()
-        env['Y_PYTHON_ENTRY_POINT'] = ':main'
-        process = subprocess.Popen(
-            BASE_COMMAND + [_server_shutdown_scenarios.SERVER_RAISES_EXCEPTION],
-            stdout=sys.stdout,
-            stderr=sys.stderr,
-            env=env)
-        wait(process)
-
-    @unittest.skipIf(os.name == 'nt', 'fork not supported on windows')
-    def test_server_fork_can_exit(self):
-        env = os.environ.copy()
-        env['Y_PYTHON_ENTRY_POINT'] = ':main'
-        process = subprocess.Popen(
-            BASE_COMMAND + [_server_shutdown_scenarios.SERVER_FORK_CAN_EXIT],
-            stdout=sys.stdout,
-            stderr=sys.stderr,
-            env=env)
-        wait(process)
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_server_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_server_test.py
deleted file mode 100644
index 2cddaf4b81f..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_server_test.py
+++ /dev/null
@@ -1,69 +0,0 @@
-# Copyright 2018 The gRPC Authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-from concurrent import futures
-import logging
-import unittest
-
-import grpc
-
-from tests.unit import resources
-
-
-class _ActualGenericRpcHandler(grpc.GenericRpcHandler):
-
-    def service(self, handler_call_details):
-        return None
-
-
-class ServerTest(unittest.TestCase):
-
-    def test_not_a_generic_rpc_handler_at_construction(self):
-        with self.assertRaises(AttributeError) as exception_context:
-            grpc.server(futures.ThreadPoolExecutor(max_workers=5),
-                        handlers=[
-                            _ActualGenericRpcHandler(),
-                            object(),
-                        ])
-        self.assertIn('grpc.GenericRpcHandler',
-                      str(exception_context.exception))
-
-    def test_not_a_generic_rpc_handler_after_construction(self):
-        server = grpc.server(futures.ThreadPoolExecutor(max_workers=5))
-        with self.assertRaises(AttributeError) as exception_context:
-            server.add_generic_rpc_handlers([
-                _ActualGenericRpcHandler(),
-                object(),
-            ])
-        self.assertIn('grpc.GenericRpcHandler',
-                      str(exception_context.exception))
-
-    def test_failed_port_binding_exception(self):
-        server = grpc.server(None, options=(('grpc.so_reuseport', 0),))
-        port = server.add_insecure_port('localhost:0')
-        bind_address = "localhost:%d" % port
-
-        with self.assertRaises(RuntimeError):
-            server.add_insecure_port(bind_address)
-
-        server_credentials = grpc.ssl_server_credentials([
-            (resources.private_key(), resources.certificate_chain())
-        ])
-        with self.assertRaises(RuntimeError):
-            server.add_secure_port(bind_address, server_credentials)
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_server_wait_for_termination_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_server_wait_for_termination_test.py
deleted file mode 100644
index 065285a83c2..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_server_wait_for_termination_test.py
+++ /dev/null
@@ -1,92 +0,0 @@
-# Copyright 2019 The gRPC Authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-from __future__ import division
-
-from concurrent import futures
-import datetime
-import threading
-import time
-import unittest
-
-import grpc
-import six
-
-from tests.unit.framework.common import test_constants
-
-_WAIT_FOR_BLOCKING = datetime.timedelta(seconds=1)
-
-
-def _block_on_waiting(server, termination_event, timeout=None):
-    server.start()
-    server.wait_for_termination(timeout=timeout)
-    termination_event.set()
-
-
-class ServerWaitForTerminationTest(unittest.TestCase):
-
-    def test_unblock_by_invoking_stop(self):
-        termination_event = threading.Event()
-        server = grpc.server(futures.ThreadPoolExecutor())
-
-        wait_thread = threading.Thread(target=_block_on_waiting,
-                                       args=(
-                                           server,
-                                           termination_event,
-                                       ))
-        wait_thread.daemon = True
-        wait_thread.start()
-        time.sleep(_WAIT_FOR_BLOCKING.total_seconds())
-
-        server.stop(None)
-        termination_event.wait(timeout=test_constants.SHORT_TIMEOUT)
-        self.assertTrue(termination_event.is_set())
-
-    def test_unblock_by_del(self):
-        termination_event = threading.Event()
-        server = grpc.server(futures.ThreadPoolExecutor())
-
-        wait_thread = threading.Thread(target=_block_on_waiting,
-                                       args=(
-                                           server,
-                                           termination_event,
-                                       ))
-        wait_thread.daemon = True
-        wait_thread.start()
-        time.sleep(_WAIT_FOR_BLOCKING.total_seconds())
-
-        # Invoke manually here, in Python 2 it will be invoked by GC sometime.
-        server.__del__()
-        termination_event.wait(timeout=test_constants.SHORT_TIMEOUT)
-        self.assertTrue(termination_event.is_set())
-
-    def test_unblock_by_timeout(self):
-        termination_event = threading.Event()
-        server = grpc.server(futures.ThreadPoolExecutor())
-
-        wait_thread = threading.Thread(target=_block_on_waiting,
-                                       args=(
-                                           server,
-                                           termination_event,
-                                           test_constants.SHORT_TIMEOUT / 2,
-                                       ))
-        wait_thread.daemon = True
-        wait_thread.start()
-
-        termination_event.wait(timeout=test_constants.SHORT_TIMEOUT)
-        self.assertTrue(termination_event.is_set())
-
-
-if __name__ == '__main__':
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_signal_client.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_signal_client.py
deleted file mode 100644
index 5cc68831f7e..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_signal_client.py
+++ /dev/null
@@ -1,119 +0,0 @@
-# Copyright 2019 the gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Client for testing responsiveness to signals."""
-
-from __future__ import print_function
-
-import argparse
-import functools
-import logging
-import signal
-import sys
-
-import grpc
-
-SIGTERM_MESSAGE = "Handling sigterm!"
-
-UNARY_UNARY = "/test/Unary"
-UNARY_STREAM = "/test/ServerStreaming"
-
-_MESSAGE = b'\x00\x00\x00'
-
-_ASSERTION_MESSAGE = "Control flow should never reach here."
-
-# NOTE(gnossen): We use a global variable here so that the signal handler can be
-# installed before the RPC begins. If we do not do this, then we may receive the
-# SIGINT before the signal handler is installed. I'm not happy with per-process
-# global state, but the per-process global state that is signal handlers
-# somewhat forces my hand.
-per_process_rpc_future = None
-
-
-def handle_sigint(unused_signum, unused_frame):
-    print(SIGTERM_MESSAGE)
-    if per_process_rpc_future is not None:
-        per_process_rpc_future.cancel()
-    sys.stderr.flush()
-    # This sys.exit(0) avoids an exception caused by the cancelled RPC.
-    sys.exit(0)
-
-
-def main_unary(server_target):
-    """Initiate a unary RPC to be interrupted by a SIGINT."""
-    global per_process_rpc_future  # pylint: disable=global-statement
-    with grpc.insecure_channel(server_target) as channel:
-        multicallable = channel.unary_unary(UNARY_UNARY)
-        signal.signal(signal.SIGINT, handle_sigint)
-        per_process_rpc_future = multicallable.future(_MESSAGE,
-                                                      wait_for_ready=True)
-        result = per_process_rpc_future.result()
-        assert False, _ASSERTION_MESSAGE
-
-
-def main_streaming(server_target):
-    """Initiate a streaming RPC to be interrupted by a SIGINT."""
-    global per_process_rpc_future  # pylint: disable=global-statement
-    with grpc.insecure_channel(server_target) as channel:
-        signal.signal(signal.SIGINT, handle_sigint)
-        per_process_rpc_future = channel.unary_stream(UNARY_STREAM)(
-            _MESSAGE, wait_for_ready=True)
-        for result in per_process_rpc_future:
-            pass
-        assert False, _ASSERTION_MESSAGE
-
-
-def main_unary_with_exception(server_target):
-    """Initiate a unary RPC with a signal handler that will raise."""
-    channel = grpc.insecure_channel(server_target)
-    try:
-        channel.unary_unary(UNARY_UNARY)(_MESSAGE, wait_for_ready=True)
-    except KeyboardInterrupt:
-        sys.stderr.write("Running signal handler.\n")
-        sys.stderr.flush()
-
-    # This call should not freeze.
-    channel.close()
-
-
-def main_streaming_with_exception(server_target):
-    """Initiate a streaming RPC with a signal handler that will raise."""
-    channel = grpc.insecure_channel(server_target)
-    try:
-        for _ in channel.unary_stream(UNARY_STREAM)(_MESSAGE,
-                                                    wait_for_ready=True):
-            pass
-    except KeyboardInterrupt:
-        sys.stderr.write("Running signal handler.\n")
-        sys.stderr.flush()
-
-    # This call should not freeze.
-    channel.close()
-
-
-if __name__ == '__main__':
-    parser = argparse.ArgumentParser(description='Signal test client.')
-    parser.add_argument('server', help='Server target')
-    parser.add_argument('arity', help='Arity', choices=('unary', 'streaming'))
-    parser.add_argument('--exception',
-                        help='Whether the signal throws an exception',
-                        action='store_true')
-    args = parser.parse_args()
-    if args.arity == 'unary' and not args.exception:
-        main_unary(args.server)
-    elif args.arity == 'streaming' and not args.exception:
-        main_streaming(args.server)
-    elif args.arity == 'unary' and args.exception:
-        main_unary_with_exception(args.server)
-    else:
-        main_streaming_with_exception(args.server)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_signal_handling_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_signal_handling_test.py
deleted file mode 100644
index f45b049aa5c..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_signal_handling_test.py
+++ /dev/null
@@ -1,200 +0,0 @@
-# Copyright 2019 the gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Test of responsiveness to signals."""
-
-import logging
-import os
-import signal
-import subprocess
-import sys
-import tempfile
-import threading
-import unittest
-
-import grpc
-
-from tests.unit import _signal_client
-from tests.unit import test_common
-
-_CLIENT_PATH = None
-if sys.executable is not None:
-    _CLIENT_PATH = 'tests.unit._signal_client'
-else:
-    # NOTE(rbellevi): For compatibility with internal testing.
-    if len(sys.argv) != 2:
-        raise RuntimeError("Must supply path to executable client.")
-    client_name = sys.argv[1].split("/")[-1]
-    del sys.argv[1]  # For compatibility with test runner.
-    _CLIENT_PATH = os.path.realpath(
-        os.path.join(os.path.dirname(os.path.abspath(__file__)), client_name))
-
-_HOST = 'localhost'
-
-
-class _GenericHandler(grpc.GenericRpcHandler):
-
-    def __init__(self):
-        self._connected_clients_lock = threading.RLock()
-        self._connected_clients_event = threading.Event()
-        self._connected_clients = 0
-
-        self._unary_unary_handler = grpc.unary_unary_rpc_method_handler(
-            self._handle_unary_unary)
-        self._unary_stream_handler = grpc.unary_stream_rpc_method_handler(
-            self._handle_unary_stream)
-
-    def _on_client_connect(self):
-        with self._connected_clients_lock:
-            self._connected_clients += 1
-            self._connected_clients_event.set()
-
-    def _on_client_disconnect(self):
-        with self._connected_clients_lock:
-            self._connected_clients -= 1
-            if self._connected_clients == 0:
-                self._connected_clients_event.clear()
-
-    def await_connected_client(self):
-        """Blocks until a client connects to the server."""
-        self._connected_clients_event.wait()
-
-    def _handle_unary_unary(self, request, servicer_context):
-        """Handles a unary RPC.
-
-        Blocks until the client disconnects and then echoes.
-        """
-        stop_event = threading.Event()
-
-        def on_rpc_end():
-            self._on_client_disconnect()
-            stop_event.set()
-
-        servicer_context.add_callback(on_rpc_end)
-        self._on_client_connect()
-        stop_event.wait()
-        return request
-
-    def _handle_unary_stream(self, request, servicer_context):
-        """Handles a server streaming RPC.
-
-        Blocks until the client disconnects and then echoes.
-        """
-        stop_event = threading.Event()
-
-        def on_rpc_end():
-            self._on_client_disconnect()
-            stop_event.set()
-
-        servicer_context.add_callback(on_rpc_end)
-        self._on_client_connect()
-        stop_event.wait()
-        yield request
-
-    def service(self, handler_call_details):
-        if handler_call_details.method == _signal_client.UNARY_UNARY:
-            return self._unary_unary_handler
-        elif handler_call_details.method == _signal_client.UNARY_STREAM:
-            return self._unary_stream_handler
-        else:
-            return None
-
-
-def _read_stream(stream):
-    stream.seek(0)
-    return stream.read()
-
-
-def _start_client(args, stdout, stderr):
-    invocation = None
-    if sys.executable is not None:
-        invocation = (sys.executable, '-m', _CLIENT_PATH) + tuple(args)
-    else:
-        invocation = (_CLIENT_PATH,) + tuple(args)
-    env = os.environ.copy()
-    env['Y_PYTHON_ENTRY_POINT'] = ':main'
-    return subprocess.Popen(invocation, stdout=stdout, stderr=stderr, env=env)
-
-
-class SignalHandlingTest(unittest.TestCase):
-
-    def setUp(self):
-        self._server = test_common.test_server()
-        self._port = self._server.add_insecure_port('{}:0'.format(_HOST))
-        self._handler = _GenericHandler()
-        self._server.add_generic_rpc_handlers((self._handler,))
-        self._server.start()
-
-    def tearDown(self):
-        self._server.stop(None)
-
-    @unittest.skipIf(os.name == 'nt', 'SIGINT not supported on windows')
-    def testUnary(self):
-        """Tests that the server unary code path does not stall signal handlers."""
-        server_target = '{}:{}'.format(_HOST, self._port)
-        with tempfile.TemporaryFile(mode='r') as client_stdout:
-            with tempfile.TemporaryFile(mode='r') as client_stderr:
-                client = _start_client((server_target, 'unary'), client_stdout,
-                                       client_stderr)
-                self._handler.await_connected_client()
-                client.send_signal(signal.SIGINT)
-                self.assertFalse(client.wait(), msg=_read_stream(client_stderr))
-                client_stdout.seek(0)
-                self.assertIn(_signal_client.SIGTERM_MESSAGE,
-                              client_stdout.read())
-
-    @unittest.skipIf(os.name == 'nt', 'SIGINT not supported on windows')
-    def testStreaming(self):
-        """Tests that the server streaming code path does not stall signal handlers."""
-        server_target = '{}:{}'.format(_HOST, self._port)
-        with tempfile.TemporaryFile(mode='r') as client_stdout:
-            with tempfile.TemporaryFile(mode='r') as client_stderr:
-                client = _start_client((server_target, 'streaming'),
-                                       client_stdout, client_stderr)
-                self._handler.await_connected_client()
-                client.send_signal(signal.SIGINT)
-                self.assertFalse(client.wait(), msg=_read_stream(client_stderr))
-                client_stdout.seek(0)
-                self.assertIn(_signal_client.SIGTERM_MESSAGE,
-                              client_stdout.read())
-
-    @unittest.skipIf(os.name == 'nt', 'SIGINT not supported on windows')
-    def testUnaryWithException(self):
-        server_target = '{}:{}'.format(_HOST, self._port)
-        with tempfile.TemporaryFile(mode='r') as client_stdout:
-            with tempfile.TemporaryFile(mode='r') as client_stderr:
-                client = _start_client(('--exception', server_target, 'unary'),
-                                       client_stdout, client_stderr)
-                self._handler.await_connected_client()
-                client.send_signal(signal.SIGINT)
-                client.wait()
-                self.assertEqual(0, client.returncode)
-
-    @unittest.skipIf(os.name == 'nt', 'SIGINT not supported on windows')
-    def testStreamingHandlerWithException(self):
-        server_target = '{}:{}'.format(_HOST, self._port)
-        with tempfile.TemporaryFile(mode='r') as client_stdout:
-            with tempfile.TemporaryFile(mode='r') as client_stderr:
-                client = _start_client(
-                    ('--exception', server_target, 'streaming'), client_stdout,
-                    client_stderr)
-                self._handler.await_connected_client()
-                client.send_signal(signal.SIGINT)
-                client.wait()
-                print(_read_stream(client_stderr))
-                self.assertEqual(0, client.returncode)
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_tcp_proxy.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_tcp_proxy.py
deleted file mode 100644
index 84dc0e2d6cf..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_tcp_proxy.py
+++ /dev/null
@@ -1,141 +0,0 @@
-# Copyright 2019 the gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-""" Proxies a TCP connection between a single client-server pair.
-
-This proxy is not suitable for production, but should work well for cases in
-which a test needs to spy on the bytes put on the wire between a server and
-a client.
-"""
-
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-
-import datetime
-import select
-import socket
-import threading
-
-from tests.unit.framework.common import get_socket
-
-_TCP_PROXY_BUFFER_SIZE = 1024
-_TCP_PROXY_TIMEOUT = datetime.timedelta(milliseconds=500)
-
-
-def _init_proxy_socket(gateway_address, gateway_port):
-    proxy_socket = socket.create_connection((gateway_address, gateway_port))
-    return proxy_socket
-
-
-class TcpProxy(object):
-    """Proxies a TCP connection between one client and one server."""
-
-    def __init__(self, bind_address, gateway_address, gateway_port):
-        self._bind_address = bind_address
-        self._gateway_address = gateway_address
-        self._gateway_port = gateway_port
-
-        self._byte_count_lock = threading.RLock()
-        self._sent_byte_count = 0
-        self._received_byte_count = 0
-
-        self._stop_event = threading.Event()
-
-        self._port = None
-        self._listen_socket = None
-        self._proxy_socket = None
-
-        # The following three attributes are owned by the serving thread.
-        self._northbound_data = b""
-        self._southbound_data = b""
-        self._client_sockets = []
-
-        self._thread = threading.Thread(target=self._run_proxy)
-
-    def start(self):
-        _, self._port, self._listen_socket = get_socket(
-            bind_address=self._bind_address)
-        self._proxy_socket = _init_proxy_socket(self._gateway_address,
-                                                self._gateway_port)
-        self._thread.start()
-
-    def get_port(self):
-        return self._port
-
-    def _handle_reads(self, sockets_to_read):
-        for socket_to_read in sockets_to_read:
-            if socket_to_read is self._listen_socket:
-                client_socket, client_address = socket_to_read.accept()
-                self._client_sockets.append(client_socket)
-            elif socket_to_read is self._proxy_socket:
-                data = socket_to_read.recv(_TCP_PROXY_BUFFER_SIZE)
-                with self._byte_count_lock:
-                    self._received_byte_count += len(data)
-                self._northbound_data += data
-            elif socket_to_read in self._client_sockets:
-                data = socket_to_read.recv(_TCP_PROXY_BUFFER_SIZE)
-                if data:
-                    with self._byte_count_lock:
-                        self._sent_byte_count += len(data)
-                    self._southbound_data += data
-                else:
-                    self._client_sockets.remove(socket_to_read)
-            else:
-                raise RuntimeError('Unidentified socket appeared in read set.')
-
-    def _handle_writes(self, sockets_to_write):
-        for socket_to_write in sockets_to_write:
-            if socket_to_write is self._proxy_socket:
-                if self._southbound_data:
-                    self._proxy_socket.sendall(self._southbound_data)
-                    self._southbound_data = b""
-            elif socket_to_write in self._client_sockets:
-                if self._northbound_data:
-                    socket_to_write.sendall(self._northbound_data)
-                    self._northbound_data = b""
-
-    def _run_proxy(self):
-        while not self._stop_event.is_set():
-            expected_reads = (self._listen_socket, self._proxy_socket) + tuple(
-                self._client_sockets)
-            expected_writes = expected_reads
-            sockets_to_read, sockets_to_write, _ = select.select(
-                expected_reads, expected_writes, (),
-                _TCP_PROXY_TIMEOUT.total_seconds())
-            self._handle_reads(sockets_to_read)
-            self._handle_writes(sockets_to_write)
-        for client_socket in self._client_sockets:
-            client_socket.close()
-
-    def stop(self):
-        self._stop_event.set()
-        self._thread.join()
-        self._listen_socket.close()
-        self._proxy_socket.close()
-
-    def get_byte_count(self):
-        with self._byte_count_lock:
-            return self._sent_byte_count, self._received_byte_count
-
-    def reset_byte_count(self):
-        with self._byte_count_lock:
-            self._byte_count = 0
-            self._received_byte_count = 0
-
-    def __enter__(self):
-        self.start()
-        return self
-
-    def __exit__(self, exc_type, exc_val, exc_tb):
-        self.stop()
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_version_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_version_test.py
deleted file mode 100644
index a81e51e56c5..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_version_test.py
+++ /dev/null
@@ -1,31 +0,0 @@
-# Copyright 2018 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Test for grpc.__version__"""
-
-import logging
-import unittest
-
-import grpc
-from grpc import _grpcio_metadata
-
-
-class VersionTest(unittest.TestCase):
-
-    def test_get_version(self):
-        self.assertEqual(grpc.__version__, _grpcio_metadata.__version__)
-
-
-if __name__ == '__main__':
-    logging.basicConfig()
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_xds_credentials_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_xds_credentials_test.py
deleted file mode 100644
index 64594061c01..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/_xds_credentials_test.py
+++ /dev/null
@@ -1,103 +0,0 @@
-# Copyright 2021 The gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests xDS server and channel credentials."""
-
-from concurrent import futures
-import contextlib
-import logging
-import unittest
-
-import grpc
-import grpc.experimental
-
-from tests.unit import resources
-from tests.unit import test_common
-
-
-class _GenericHandler(grpc.GenericRpcHandler):
-
-    def service(self, handler_call_details):
-        return grpc.unary_unary_rpc_method_handler(
-            lambda request, unused_context: request)
-
-
-@contextlib.contextmanager
-def xds_channel_server_without_xds(server_fallback_creds):
-    server = grpc.server(futures.ThreadPoolExecutor())
-    server.add_generic_rpc_handlers((_GenericHandler(),))
-    server_server_fallback_creds = grpc.ssl_server_credentials(
-        ((resources.private_key(), resources.certificate_chain()),))
-    server_creds = grpc.xds_server_credentials(server_fallback_creds)
-    port = server.add_secure_port("localhost:0", server_creds)
-    server.start()
-    try:
-        yield "localhost:{}".format(port)
-    finally:
-        server.stop(None)
-
-
-class XdsCredentialsTest(unittest.TestCase):
-
-    def test_xds_creds_fallback_ssl(self):
-        # Since there is no xDS server, the fallback credentials will be used.
-        # In this case, SSL credentials.
-        server_fallback_creds = grpc.ssl_server_credentials(
-            ((resources.private_key(), resources.certificate_chain()),))
-        with xds_channel_server_without_xds(
-                server_fallback_creds) as server_address:
-            override_options = (("grpc.ssl_target_name_override",
-                                 "foo.test.google.fr"),)
-            channel_fallback_creds = grpc.ssl_channel_credentials(
-                root_certificates=resources.test_root_certificates(),
-                private_key=resources.private_key(),
-                certificate_chain=resources.certificate_chain())
-            channel_creds = grpc.xds_channel_credentials(channel_fallback_creds)
-            with grpc.secure_channel(server_address,
-                                     channel_creds,
-                                     options=override_options) as channel:
-                request = b"abc"
-                response = channel.unary_unary("/test/method")(
-                    request, wait_for_ready=True)
-                self.assertEqual(response, request)
-
-    def test_xds_creds_fallback_insecure(self):
-        # Since there is no xDS server, the fallback credentials will be used.
-        # In this case, insecure.
-        server_fallback_creds = grpc.insecure_server_credentials()
-        with xds_channel_server_without_xds(
-                server_fallback_creds) as server_address:
-            channel_fallback_creds = grpc.experimental.insecure_channel_credentials(
-            )
-            channel_creds = grpc.xds_channel_credentials(channel_fallback_creds)
-            with grpc.secure_channel(server_address, channel_creds) as channel:
-                request = b"abc"
-                response = channel.unary_unary("/test/method")(
-                    request, wait_for_ready=True)
-                self.assertEqual(response, request)
-
-    def test_start_xds_server(self):
-        server = grpc.server(futures.ThreadPoolExecutor(), xds=True)
-        server.add_generic_rpc_handlers((_GenericHandler(),))
-        server_fallback_creds = grpc.insecure_server_credentials()
-        server_creds = grpc.xds_server_credentials(server_fallback_creds)
-        port = server.add_secure_port("localhost:0", server_creds)
-        server.start()
-        server.stop(None)
-        # No exceptions thrown. A more comprehensive suite of tests will be
-        # provided by the interop tests.
-
-
-if __name__ == "__main__":
-    logging.basicConfig()
-    unittest.main()
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/beta/__init__.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/beta/__init__.py
deleted file mode 100644
index 5fb4f3c3cfd..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/beta/__init__.py
+++ /dev/null
@@ -1,13 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/beta/_beta_features_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/beta/_beta_features_test.py
deleted file mode 100644
index 0ce3a127392..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/beta/_beta_features_test.py
+++ /dev/null
@@ -1,355 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests Face interface compliance of the gRPC Python Beta API."""
-
-import threading
-import unittest
-
-from grpc.beta import implementations
-from grpc.beta import interfaces
-from grpc.framework.common import cardinality
-from grpc.framework.interfaces.face import utilities
-
-from tests.unit import resources
-from tests.unit.beta import test_utilities
-from tests.unit.framework.common import test_constants
-
-_SERVER_HOST_OVERRIDE = 'foo.test.google.fr'
-
-_PER_RPC_CREDENTIALS_METADATA_KEY = b'my-call-credentials-metadata-key'
-_PER_RPC_CREDENTIALS_METADATA_VALUE = b'my-call-credentials-metadata-value'
-
-_GROUP = 'group'
-_UNARY_UNARY = 'unary-unary'
-_UNARY_STREAM = 'unary-stream'
-_STREAM_UNARY = 'stream-unary'
-_STREAM_STREAM = 'stream-stream'
-
-_REQUEST = b'abc'
-_RESPONSE = b'123'
-
-
-class _Servicer(object):
-
-    def __init__(self):
-        self._condition = threading.Condition()
-        self._peer = None
-        self._serviced = False
-
-    def unary_unary(self, request, context):
-        with self._condition:
-            self._request = request
-            self._peer = context.protocol_context().peer()
-            self._invocation_metadata = context.invocation_metadata()
-            context.protocol_context().disable_next_response_compression()
-            self._serviced = True
-            self._condition.notify_all()
-            return _RESPONSE
-
-    def unary_stream(self, request, context):
-        with self._condition:
-            self._request = request
-            self._peer = context.protocol_context().peer()
-            self._invocation_metadata = context.invocation_metadata()
-            context.protocol_context().disable_next_response_compression()
-            self._serviced = True
-            self._condition.notify_all()
-            return
-            yield  # pylint: disable=unreachable
-
-    def stream_unary(self, request_iterator, context):
-        for request in request_iterator:
-            self._request = request
-        with self._condition:
-            self._peer = context.protocol_context().peer()
-            self._invocation_metadata = context.invocation_metadata()
-            context.protocol_context().disable_next_response_compression()
-            self._serviced = True
-            self._condition.notify_all()
-            return _RESPONSE
-
-    def stream_stream(self, request_iterator, context):
-        for request in request_iterator:
-            with self._condition:
-                self._peer = context.protocol_context().peer()
-                context.protocol_context().disable_next_response_compression()
-                yield _RESPONSE
-        with self._condition:
-            self._invocation_metadata = context.invocation_metadata()
-            self._serviced = True
-            self._condition.notify_all()
-
-    def peer(self):
-        with self._condition:
-            return self._peer
-
-    def block_until_serviced(self):
-        with self._condition:
-            while not self._serviced:
-                self._condition.wait()
-
-
-class _BlockingIterator(object):
-
-    def __init__(self, upstream):
-        self._condition = threading.Condition()
-        self._upstream = upstream
-        self._allowed = []
-
-    def __iter__(self):
-        return self
-
-    def __next__(self):
-        return self.next()
-
-    def next(self):
-        with self._condition:
-            while True:
-                if self._allowed is None:
-                    raise StopIteration()
-                elif self._allowed:
-                    return self._allowed.pop(0)
-                else:
-                    self._condition.wait()
-
-    def allow(self):
-        with self._condition:
-            try:
-                self._allowed.append(next(self._upstream))
-            except StopIteration:
-                self._allowed = None
-            self._condition.notify_all()
-
-
-def _metadata_plugin(context, callback):
-    callback([
-        (_PER_RPC_CREDENTIALS_METADATA_KEY, _PER_RPC_CREDENTIALS_METADATA_VALUE)
-    ], None)
-
-
-class BetaFeaturesTest(unittest.TestCase):
-
-    def setUp(self):
-        self._servicer = _Servicer()
-        method_implementations = {
-            (_GROUP, _UNARY_UNARY):
-                utilities.unary_unary_inline(self._servicer.unary_unary),
-            (_GROUP, _UNARY_STREAM):
-                utilities.unary_stream_inline(self._servicer.unary_stream),
-            (_GROUP, _STREAM_UNARY):
-                utilities.stream_unary_inline(self._servicer.stream_unary),
-            (_GROUP, _STREAM_STREAM):
-                utilities.stream_stream_inline(self._servicer.stream_stream),
-        }
-
-        cardinalities = {
-            _UNARY_UNARY: cardinality.Cardinality.UNARY_UNARY,
-            _UNARY_STREAM: cardinality.Cardinality.UNARY_STREAM,
-            _STREAM_UNARY: cardinality.Cardinality.STREAM_UNARY,
-            _STREAM_STREAM: cardinality.Cardinality.STREAM_STREAM,
-        }
-
-        server_options = implementations.server_options(
-            thread_pool_size=test_constants.POOL_SIZE)
-        self._server = implementations.server(method_implementations,
-                                              options=server_options)
-        server_credentials = implementations.ssl_server_credentials([
-            (
-                resources.private_key(),
-                resources.certificate_chain(),
-            ),
-        ])
-        port = self._server.add_secure_port('[::]:0', server_credentials)
-        self._server.start()
-        self._channel_credentials = implementations.ssl_channel_credentials(
-            resources.test_root_certificates())
-        self._call_credentials = implementations.metadata_call_credentials(
-            _metadata_plugin)
-        channel = test_utilities.not_really_secure_channel(
-            'localhost', port, self._channel_credentials, _SERVER_HOST_OVERRIDE)
-        stub_options = implementations.stub_options(
-            thread_pool_size=test_constants.POOL_SIZE)
-        self._dynamic_stub = implementations.dynamic_stub(channel,
-                                                          _GROUP,
-                                                          cardinalities,
-                                                          options=stub_options)
-
-    def tearDown(self):
-        self._dynamic_stub = None
-        self._server.stop(test_constants.SHORT_TIMEOUT).wait()
-
-    def test_unary_unary(self):
-        call_options = interfaces.grpc_call_options(
-            disable_compression=True, credentials=self._call_credentials)
-        response = getattr(self._dynamic_stub,
-                           _UNARY_UNARY)(_REQUEST,
-                                         test_constants.LONG_TIMEOUT,
-                                         protocol_options=call_options)
-        self.assertEqual(_RESPONSE, response)
-        self.assertIsNotNone(self._servicer.peer())
-        invocation_metadata = [
-            (metadatum.key, metadatum.value)
-            for metadatum in self._servicer._invocation_metadata
-        ]
-        self.assertIn((_PER_RPC_CREDENTIALS_METADATA_KEY,
-                       _PER_RPC_CREDENTIALS_METADATA_VALUE),
-                      invocation_metadata)
-
-    def test_unary_stream(self):
-        call_options = interfaces.grpc_call_options(
-            disable_compression=True, credentials=self._call_credentials)
-        response_iterator = getattr(self._dynamic_stub, _UNARY_STREAM)(
-            _REQUEST,
-            test_constants.LONG_TIMEOUT,
-            protocol_options=call_options)
-        self._servicer.block_until_serviced()
-        self.assertIsNotNone(self._servicer.peer())
-        invocation_metadata = [
-            (metadatum.key, metadatum.value)
-            for metadatum in self._servicer._invocation_metadata
-        ]
-        self.assertIn((_PER_RPC_CREDENTIALS_METADATA_KEY,
-                       _PER_RPC_CREDENTIALS_METADATA_VALUE),
-                      invocation_metadata)
-
-    def test_stream_unary(self):
-        call_options = interfaces.grpc_call_options(
-            credentials=self._call_credentials)
-        request_iterator = _BlockingIterator(iter((_REQUEST,)))
-        response_future = getattr(self._dynamic_stub, _STREAM_UNARY).future(
-            request_iterator,
-            test_constants.LONG_TIMEOUT,
-            protocol_options=call_options)
-        response_future.protocol_context().disable_next_request_compression()
-        request_iterator.allow()
-        response_future.protocol_context().disable_next_request_compression()
-        request_iterator.allow()
-        self._servicer.block_until_serviced()
-        self.assertIsNotNone(self._servicer.peer())
-        self.assertEqual(_RESPONSE, response_future.result())
-        invocation_metadata = [
-            (metadatum.key, metadatum.value)
-            for metadatum in self._servicer._invocation_metadata
-        ]
-        self.assertIn((_PER_RPC_CREDENTIALS_METADATA_KEY,
-                       _PER_RPC_CREDENTIALS_METADATA_VALUE),
-                      invocation_metadata)
-
-    def test_stream_stream(self):
-        call_options = interfaces.grpc_call_options(
-            credentials=self._call_credentials)
-        request_iterator = _BlockingIterator(iter((_REQUEST,)))
-        response_iterator = getattr(self._dynamic_stub, _STREAM_STREAM)(
-            request_iterator,
-            test_constants.SHORT_TIMEOUT,
-            protocol_options=call_options)
-        response_iterator.protocol_context().disable_next_request_compression()
-        request_iterator.allow()
-        response = next(response_iterator)
-        response_iterator.protocol_context().disable_next_request_compression()
-        request_iterator.allow()
-        self._servicer.block_until_serviced()
-        self.assertIsNotNone(self._servicer.peer())
-        self.assertEqual(_RESPONSE, response)
-        invocation_metadata = [
-            (metadatum.key, metadatum.value)
-            for metadatum in self._servicer._invocation_metadata
-        ]
-        self.assertIn((_PER_RPC_CREDENTIALS_METADATA_KEY,
-                       _PER_RPC_CREDENTIALS_METADATA_VALUE),
-                      invocation_metadata)
-
-
-class ContextManagementAndLifecycleTest(unittest.TestCase):
-
-    def setUp(self):
-        self._servicer = _Servicer()
-        self._method_implementations = {
-            (_GROUP, _UNARY_UNARY):
-                utilities.unary_unary_inline(self._servicer.unary_unary),
-            (_GROUP, _UNARY_STREAM):
-                utilities.unary_stream_inline(self._servicer.unary_stream),
-            (_GROUP, _STREAM_UNARY):
-                utilities.stream_unary_inline(self._servicer.stream_unary),
-            (_GROUP, _STREAM_STREAM):
-                utilities.stream_stream_inline(self._servicer.stream_stream),
-        }
-
-        self._cardinalities = {
-            _UNARY_UNARY: cardinality.Cardinality.UNARY_UNARY,
-            _UNARY_STREAM: cardinality.Cardinality.UNARY_STREAM,
-            _STREAM_UNARY: cardinality.Cardinality.STREAM_UNARY,
-            _STREAM_STREAM: cardinality.Cardinality.STREAM_STREAM,
-        }
-
-        self._server_options = implementations.server_options(
-            thread_pool_size=test_constants.POOL_SIZE)
-        self._server_credentials = implementations.ssl_server_credentials([
-            (
-                resources.private_key(),
-                resources.certificate_chain(),
-            ),
-        ])
-        self._channel_credentials = implementations.ssl_channel_credentials(
-            resources.test_root_certificates())
-        self._stub_options = implementations.stub_options(
-            thread_pool_size=test_constants.POOL_SIZE)
-
-    def test_stub_context(self):
-        server = implementations.server(self._method_implementations,
-                                        options=self._server_options)
-        port = server.add_secure_port('[::]:0', self._server_credentials)
-        server.start()
-
-        channel = test_utilities.not_really_secure_channel(
-            'localhost', port, self._channel_credentials, _SERVER_HOST_OVERRIDE)
-        dynamic_stub = implementations.dynamic_stub(channel,
-                                                    _GROUP,
-                                                    self._cardinalities,
-                                                    options=self._stub_options)
-        for _ in range(100):
-            with dynamic_stub:
-                pass
-        for _ in range(10):
-            with dynamic_stub:
-                call_options = interfaces.grpc_call_options(
-                    disable_compression=True)
-                response = getattr(dynamic_stub,
-                                   _UNARY_UNARY)(_REQUEST,
-                                                 test_constants.LONG_TIMEOUT,
-                                                 protocol_options=call_options)
-                self.assertEqual(_RESPONSE, response)
-                self.assertIsNotNone(self._servicer.peer())
-
-        server.stop(test_constants.SHORT_TIMEOUT).wait()
-
-    def test_server_lifecycle(self):
-        for _ in range(100):
-            server = implementations.server(self._method_implementations,
-                                            options=self._server_options)
-            port = server.add_secure_port('[::]:0', self._server_credentials)
-            server.start()
-            server.stop(test_constants.SHORT_TIMEOUT).wait()
-        for _ in range(100):
-            server = implementations.server(self._method_implementations,
-                                            options=self._server_options)
-            server.add_secure_port('[::]:0', self._server_credentials)
-            server.add_insecure_port('[::]:0')
-            with server:
-                server.stop(test_constants.SHORT_TIMEOUT)
-            server.stop(test_constants.SHORT_TIMEOUT)
-
-
-if __name__ == '__main__':
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/beta/_connectivity_channel_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/beta/_connectivity_channel_test.py
deleted file mode 100644
index 1416902eab8..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/beta/_connectivity_channel_test.py
+++ /dev/null
@@ -1,32 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests of grpc.beta._connectivity_channel."""
-
-import unittest
-
-from grpc.beta import interfaces
-
-
-class ConnectivityStatesTest(unittest.TestCase):
-
-    def testBetaConnectivityStates(self):
-        self.assertIsNotNone(interfaces.ChannelConnectivity.IDLE)
-        self.assertIsNotNone(interfaces.ChannelConnectivity.CONNECTING)
-        self.assertIsNotNone(interfaces.ChannelConnectivity.READY)
-        self.assertIsNotNone(interfaces.ChannelConnectivity.TRANSIENT_FAILURE)
-        self.assertIsNotNone(interfaces.ChannelConnectivity.FATAL_FAILURE)
-
-
-if __name__ == '__main__':
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/beta/_not_found_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/beta/_not_found_test.py
deleted file mode 100644
index 27fdecb8b7b..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/beta/_not_found_test.py
+++ /dev/null
@@ -1,60 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests of RPC-method-not-found behavior."""
-
-import unittest
-
-from grpc.beta import implementations
-from grpc.beta import interfaces
-from grpc.framework.interfaces.face import face
-
-from tests.unit.framework.common import test_constants
-
-
-class NotFoundTest(unittest.TestCase):
-
-    def setUp(self):
-        self._server = implementations.server({})
-        port = self._server.add_insecure_port('[::]:0')
-        channel = implementations.insecure_channel('localhost', port)
-        self._generic_stub = implementations.generic_stub(channel)
-        self._server.start()
-
-    def tearDown(self):
-        self._server.stop(0).wait()
-        self._generic_stub = None
-
-    def test_blocking_unary_unary_not_found(self):
-        with self.assertRaises(face.LocalError) as exception_assertion_context:
-            self._generic_stub.blocking_unary_unary('groop',
-                                                    'meffod',
-                                                    b'abc',
-                                                    test_constants.LONG_TIMEOUT,
-                                                    with_call=True)
-        self.assertIs(exception_assertion_context.exception.code,
-                      interfaces.StatusCode.UNIMPLEMENTED)
-
-    def test_future_stream_unary_not_found(self):
-        rpc_future = self._generic_stub.future_stream_unary(
-            'grupe', 'mevvod', iter([b'def']), test_constants.LONG_TIMEOUT)
-        with self.assertRaises(face.LocalError) as exception_assertion_context:
-            rpc_future.result()
-        self.assertIs(exception_assertion_context.exception.code,
-                      interfaces.StatusCode.UNIMPLEMENTED)
-        self.assertIs(rpc_future.exception().code,
-                      interfaces.StatusCode.UNIMPLEMENTED)
-
-
-if __name__ == '__main__':
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/beta/_utilities_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/beta/_utilities_test.py
deleted file mode 100644
index 25773036f16..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/beta/_utilities_test.py
+++ /dev/null
@@ -1,94 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests of grpc.beta.utilities."""
-
-import threading
-import time
-import unittest
-
-from grpc.beta import implementations
-from grpc.beta import utilities
-from grpc.framework.foundation import future
-
-from tests.unit.framework.common import test_constants
-
-
-class _Callback(object):
-
-    def __init__(self):
-        self._condition = threading.Condition()
-        self._value = None
-
-    def accept_value(self, value):
-        with self._condition:
-            self._value = value
-            self._condition.notify_all()
-
-    def block_until_called(self):
-        with self._condition:
-            while self._value is None:
-                self._condition.wait()
-            return self._value
-
-
-@unittest.skip('https://github.com/grpc/grpc/issues/16134')
-class ChannelConnectivityTest(unittest.TestCase):
-
-    def test_lonely_channel_connectivity(self):
-        channel = implementations.insecure_channel('localhost', 12345)
-        callback = _Callback()
-
-        ready_future = utilities.channel_ready_future(channel)
-        ready_future.add_done_callback(callback.accept_value)
-        with self.assertRaises(future.TimeoutError):
-            ready_future.result(timeout=test_constants.SHORT_TIMEOUT)
-        self.assertFalse(ready_future.cancelled())
-        self.assertFalse(ready_future.done())
-        self.assertTrue(ready_future.running())
-        ready_future.cancel()
-        value_passed_to_callback = callback.block_until_called()
-        self.assertIs(ready_future, value_passed_to_callback)
-        self.assertTrue(ready_future.cancelled())
-        self.assertTrue(ready_future.done())
-        self.assertFalse(ready_future.running())
-
-    def test_immediately_connectable_channel_connectivity(self):
-        server = implementations.server({})
-        port = server.add_insecure_port('[::]:0')
-        server.start()
-        channel = implementations.insecure_channel('localhost', port)
-        callback = _Callback()
-
-        try:
-            ready_future = utilities.channel_ready_future(channel)
-            ready_future.add_done_callback(callback.accept_value)
-            self.assertIsNone(
-                ready_future.result(timeout=test_constants.LONG_TIMEOUT))
-            value_passed_to_callback = callback.block_until_called()
-            self.assertIs(ready_future, value_passed_to_callback)
-            self.assertFalse(ready_future.cancelled())
-            self.assertTrue(ready_future.done())
-            self.assertFalse(ready_future.running())
-            # Cancellation after maturity has no effect.
-            ready_future.cancel()
-            self.assertFalse(ready_future.cancelled())
-            self.assertTrue(ready_future.done())
-            self.assertFalse(ready_future.running())
-        finally:
-            ready_future.cancel()
-            server.stop(0)
-
-
-if __name__ == '__main__':
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/beta/test_utilities.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/beta/test_utilities.py
deleted file mode 100644
index c8d920d35e9..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/beta/test_utilities.py
+++ /dev/null
@@ -1,40 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Test-appropriate entry points into the gRPC Python Beta API."""
-
-import grpc
-from grpc.beta import implementations
-
-
-def not_really_secure_channel(host, port, channel_credentials,
-                              server_host_override):
-    """Creates an insecure Channel to a remote host.
-
-  Args:
-    host: The name of the remote host to which to connect.
-    port: The port of the remote host to which to connect.
-    channel_credentials: The implementations.ChannelCredentials with which to
-      connect.
-    server_host_override: The target name used for SSL host name checking.
-
-  Returns:
-    An implementations.Channel to the remote host through which RPCs may be
-      conducted.
-  """
-    target = '%s:%d' % (host, port)
-    channel = grpc.secure_channel(target, channel_credentials, ((
-        'grpc.ssl_target_name_override',
-        server_host_override,
-    ),))
-    return implementations.Channel(channel)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/credentials/README.md b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/credentials/README.md
deleted file mode 100644
index 100b43c1aaf..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/credentials/README.md
+++ /dev/null
@@ -1,15 +0,0 @@
-These are test keys *NOT* to be used in production.
-
-The `certificate_hierarchy_1` and `certificate_hierarchy_2` contain
-two disjoint but similarly organized certificate hierarchies. Each
-contains:
-
-* The respective root CA cert in `certs/ca.cert.pem`
-
-* The intermediate CA cert in
-  `intermediate/certs/intermediate.cert.pem`, signed by the root CA
-
-* A client cert and a server cert--both signed by the intermediate
-  CA--in `intermediate/certs/client.cert.pem` and
-  `intermediate/certs/localhost-1.cert.pem`; the corresponding keys
-  are in `intermediate/private`
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/credentials/ca.pem b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/credentials/ca.pem
deleted file mode 100755
index 49d39cd8ed5..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/credentials/ca.pem
+++ /dev/null
@@ -1,20 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDWjCCAkKgAwIBAgIUWrP0VvHcy+LP6UuYNtiL9gBhD5owDQYJKoZIhvcNAQEL
-BQAwVjELMAkGA1UEBhMCQVUxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoM
-GEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDEPMA0GA1UEAwwGdGVzdGNhMB4XDTIw
-MDMxNzE4NTk1MVoXDTMwMDMxNTE4NTk1MVowVjELMAkGA1UEBhMCQVUxEzARBgNV
-BAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0IFdpZGdpdHMgUHR5IEx0
-ZDEPMA0GA1UEAwwGdGVzdGNhMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC
-AQEAsGL0oXflF0LzoM+Bh+qUU9yhqzw2w8OOX5mu/iNCyUOBrqaHi7mGHx73GD01
-diNzCzvlcQqdNIH6NQSL7DTpBjca66jYT9u73vZe2MDrr1nVbuLvfu9850cdxiUO
-Inv5xf8+sTHG0C+a+VAvMhsLiRjsq+lXKRJyk5zkbbsETybqpxoJ+K7CoSy3yc/k
-QIY3TipwEtwkKP4hzyo6KiGd/DPexie4nBUInN3bS1BUeNZ5zeaIC2eg3bkeeW7c
-qT55b+Yen6CxY0TEkzBK6AKt/WUialKMgT0wbTxRZO7kUCH3Sq6e/wXeFdJ+HvdV
-LPlAg5TnMaNpRdQih/8nRFpsdwIDAQABoyAwHjAMBgNVHRMEBTADAQH/MA4GA1Ud
-DwEB/wQEAwICBDANBgkqhkiG9w0BAQsFAAOCAQEAkTrKZjBrJXHps/HrjNCFPb5a
-THuGPCSsepe1wkKdSp1h4HGRpLoCgcLysCJ5hZhRpHkRihhef+rFHEe60UePQO3S
-CVTtdJB4CYWpcNyXOdqefrbJW5QNljxgi6Fhvs7JJkBqdXIkWXtFk2eRgOIP2Eo9
-/OHQHlYnwZFrk6sp4wPyR+A95S0toZBcyDVz7u+hOW0pGK3wviOe9lvRgj/H3Pwt
-bewb0l+MhRig0/DVHamyVxrDRbqInU1/GTNCwcZkXKYFWSf92U+kIcTth24Q1gcw
-eZiLl5FfrWokUNytFElXob0V0a5/kbhiLc3yWmvWqHTpqCALbVyF+rKJo2f5Kw==
------END CERTIFICATE-----
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/credentials/server1.key b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/credentials/server1.key
deleted file mode 100755
index 086462992cf..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/credentials/server1.key
+++ /dev/null
@@ -1,28 +0,0 @@
------BEGIN PRIVATE KEY-----
-MIIEvwIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQDnE443EknxvxBq
-6+hvn/t09hl8hx366EBYvZmVM/NC+7igXRAjiJiA/mIaCvL3MS0Iz5hBLxSGICU+
-WproA3GCIFITIwcf/ETyWj/5xpgZ4AKrLrjQmmX8mhwUajfF3UvwMJrCOVqPp67t
-PtP+2kBXaqrXdvnvXR41FsIB8V7zIAuIZB6bHQhiGVlc1sgZYsE2EGG9WMmHtS86
-qkAOTjG2XyjmPTGAwhGDpYkYrpzp99IiDh4/Veai81hn0ssQkbry0XRD/Ig3jcHh
-23WiriPNJ0JsbgXUSLKRPZObA9VgOLy2aXoN84IMaeK3yy+cwSYG/99w93fUZJte
-MXwz4oYZAgMBAAECggEBAIVn2Ncai+4xbH0OLWckabwgyJ4IM9rDc0LIU368O1kU
-koais8qP9dujAWgfoh3sGh/YGgKn96VnsZjKHlyMgF+r4TaDJn3k2rlAOWcurGlj
-1qaVlsV4HiEzp7pxiDmHhWvp4672Bb6iBG+bsjCUOEk/n9o9KhZzIBluRhtxCmw5
-nw4Do7z00PTvN81260uPWSc04IrytvZUiAIx/5qxD72bij2xJ8t/I9GI8g4FtoVB
-8pB6S/hJX1PZhh9VlU6Yk+TOfOVnbebG4W5138LkB835eqk3Zz0qsbc2euoi8Hxi
-y1VGwQEmMQ63jXz4c6g+X55ifvUK9Jpn5E8pq+pMd7ECgYEA93lYq+Cr54K4ey5t
-sWMa+ye5RqxjzgXj2Kqr55jb54VWG7wp2iGbg8FMlkQwzTJwebzDyCSatguEZLuB
-gRGroRnsUOy9vBvhKPOch9bfKIl6qOgzMJB267fBVWx5ybnRbWN/I7RvMQf3k+9y
-biCIVnxDLEEYyx7z85/5qxsXg/MCgYEA7wmWKtCTn032Hy9P8OL49T0X6Z8FlkDC
-Rk42ygrc/MUbugq9RGUxcCxoImOG9JXUpEtUe31YDm2j+/nbvrjl6/bP2qWs0V7l
-dTJl6dABP51pCw8+l4cWgBBX08Lkeen812AAFNrjmDCjX6rHjWHLJcpS18fnRRkP
-V1d/AHWX7MMCgYEA6Gsw2guhp0Zf2GCcaNK5DlQab8OL4Hwrpttzo4kuTlwtqNKp
-Q9H4al9qfF4Cr1TFya98+EVYf8yFRM3NLNjZpe3gwYf2EerlJj7VLcahw0KKzoN1
-QBENfwgPLRk5sDkx9VhSmcfl/diLroZdpAwtv3vo4nEoxeuGFbKTGx3Qkf0CgYEA
-xyR+dcb05Ygm3w4klHQTowQ10s1H80iaUcZBgQuR1ghEtDbUPZHsoR5t1xCB02ys
-DgAwLv1bChIvxvH/L6KM8ovZ2LekBX4AviWxoBxJnfz/EVau98B0b1auRN6eSC83
-FRuGldlSOW1z/nSh8ViizSYE5H5HX1qkXEippvFRE88CgYB3Bfu3YQY60ITWIShv
-nNkdcbTT9eoP9suaRJjw92Ln+7ZpALYlQMKUZmJ/5uBmLs4RFwUTQruLOPL4yLTH
-awADWUzs3IRr1fwn9E+zM8JVyKCnUEM3w4N5UZskGO2klashAd30hWO+knRv/y0r
-uGIYs9Ek7YXlXIRVrzMwcsrt1w==
------END PRIVATE KEY-----
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/credentials/server1.pem b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/credentials/server1.pem
deleted file mode 100755
index 88244f856c6..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/credentials/server1.pem
+++ /dev/null
@@ -1,22 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDtDCCApygAwIBAgIUbJfTREJ6k6/+oInWhV1O1j3ZT0IwDQYJKoZIhvcNAQEL
-BQAwVjELMAkGA1UEBhMCQVUxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoM
-GEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDEPMA0GA1UEAwwGdGVzdGNhMB4XDTIw
-MDMxODAzMTA0MloXDTMwMDMxNjAzMTA0MlowZTELMAkGA1UEBhMCVVMxETAPBgNV
-BAgMCElsbGlub2lzMRAwDgYDVQQHDAdDaGljYWdvMRUwEwYDVQQKDAxFeGFtcGxl
-LCBDby4xGjAYBgNVBAMMESoudGVzdC5nb29nbGUuY29tMIIBIjANBgkqhkiG9w0B
-AQEFAAOCAQ8AMIIBCgKCAQEA5xOONxJJ8b8Qauvob5/7dPYZfIcd+uhAWL2ZlTPz
-Qvu4oF0QI4iYgP5iGgry9zEtCM+YQS8UhiAlPlqa6ANxgiBSEyMHH/xE8lo/+caY
-GeACqy640Jpl/JocFGo3xd1L8DCawjlaj6eu7T7T/tpAV2qq13b5710eNRbCAfFe
-8yALiGQemx0IYhlZXNbIGWLBNhBhvVjJh7UvOqpADk4xtl8o5j0xgMIRg6WJGK6c
-6ffSIg4eP1XmovNYZ9LLEJG68tF0Q/yIN43B4dt1oq4jzSdCbG4F1EiykT2TmwPV
-YDi8tml6DfOCDGnit8svnMEmBv/fcPd31GSbXjF8M+KGGQIDAQABo2swaTAJBgNV
-HRMEAjAAMAsGA1UdDwQEAwIF4DBPBgNVHREESDBGghAqLnRlc3QuZ29vZ2xlLmZy
-ghh3YXRlcnpvb2kudGVzdC5nb29nbGUuYmWCEioudGVzdC55b3V0dWJlLmNvbYcE
-wKgBAzANBgkqhkiG9w0BAQsFAAOCAQEAS8hDQA8PSgipgAml7Q3/djwQ644ghWQv
-C2Kb+r30RCY1EyKNhnQnIIh/OUbBZvh0M0iYsy6xqXgfDhCB93AA6j0i5cS8fkhH
-Jl4RK0tSkGQ3YNY4NzXwQP/vmUgfkw8VBAZ4Y4GKxppdATjffIW+srbAmdDruIRM
-wPeikgOoRrXf0LA1fi4TqxARzeRwenQpayNfGHTvVF9aJkl8HoaMunTAdG5pIVcr
-9GKi/gEMpXUJbbVv3U5frX1Wo4CFo+rZWJ/LyCMeb0jciNLxSdMwj/E/ZuExlyeZ
-gc9ctPjSMvgSyXEKv6Vwobleeg88V2ZgzenziORoWj4KszG/lbQZvg==
------END CERTIFICATE-----
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/__init__.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/__init__.py
deleted file mode 100644
index 5fb4f3c3cfd..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/__init__.py
+++ /dev/null
@@ -1,13 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/common/__init__.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/common/__init__.py
deleted file mode 100644
index 709f6175b2e..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/common/__init__.py
+++ /dev/null
@@ -1,102 +0,0 @@
-# Copyright 2019 The gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import contextlib
-import errno
-import os
-import socket
-
-_DEFAULT_SOCK_OPTIONS = (socket.SO_REUSEADDR,
-                         socket.SO_REUSEPORT) if os.name != 'nt' else (
-                             socket.SO_REUSEADDR,)
-_UNRECOVERABLE_ERRNOS = (errno.EADDRINUSE, errno.ENOSR)
-
-
-def get_socket(bind_address='localhost',
-               port=0,
-               listen=True,
-               sock_options=_DEFAULT_SOCK_OPTIONS):
-    """Opens a socket.
-
-    Useful for reserving a port for a system-under-test.
-
-    Args:
-      bind_address: The host to which to bind.
-      port: The port to which to bind.
-      listen: A boolean value indicating whether or not to listen on the socket.
-      sock_options: A sequence of socket options to apply to the socket.
-
-    Returns:
-      A tuple containing:
-        - the address to which the socket is bound
-        - the port to which the socket is bound
-        - the socket object itself
-    """
-    _sock_options = sock_options if sock_options else []
-    if socket.has_ipv6:
-        address_families = (socket.AF_INET6, socket.AF_INET)
-    else:
-        address_families = (socket.AF_INET)
-    for address_family in address_families:
-        try:
-            sock = socket.socket(address_family, socket.SOCK_STREAM)
-            for sock_option in _sock_options:
-                sock.setsockopt(socket.SOL_SOCKET, sock_option, 1)
-            sock.bind((bind_address, port))
-            if listen:
-                sock.listen(1)
-            return bind_address, sock.getsockname()[1], sock
-        except OSError as os_error:
-            sock.close()
-            if os_error.errno in _UNRECOVERABLE_ERRNOS:
-                raise
-            else:
-                continue
-        # For PY2, socket.error is a child class of IOError; for PY3, it is
-        # pointing to OSError. We need this catch to make it 2/3 agnostic.
-        except socket.error:  # pylint: disable=duplicate-except
-            sock.close()
-            continue
-    raise RuntimeError("Failed to bind to {} with sock_options {}".format(
-        bind_address, sock_options))
-
-
-@contextlib.contextmanager
-def bound_socket(bind_address='localhost',
-                 port=0,
-                 listen=True,
-                 sock_options=_DEFAULT_SOCK_OPTIONS):
-    """Opens a socket bound to an arbitrary port.
-
-    Useful for reserving a port for a system-under-test.
-
-    Args:
-      bind_address: The host to which to bind.
-      port: The port to which to bind.
-      listen: A boolean value indicating whether or not to listen on the socket.
-      sock_options: A sequence of socket options to apply to the socket.
-
-    Yields:
-      A tuple containing:
-        - the address to which the socket is bound
-        - the port to which the socket is bound
-    """
-    host, port, sock = get_socket(bind_address=bind_address,
-                                  port=port,
-                                  listen=listen,
-                                  sock_options=sock_options)
-    try:
-        yield host, port
-    finally:
-        sock.close()
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/common/test_constants.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/common/test_constants.py
deleted file mode 100644
index 2b9eb2e35bd..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/common/test_constants.py
+++ /dev/null
@@ -1,45 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Constants shared among tests throughout RPC Framework."""
-
-# Value for maximum duration in seconds that a test is allowed for its actual
-# behavioral logic, excluding all time spent deliberately waiting in the test.
-TIME_ALLOWANCE = 10
-# Value for maximum duration in seconds of RPCs that may time out as part of a
-# test.
-SHORT_TIMEOUT = 4
-# Absurdly large value for maximum duration in seconds for should-not-time-out
-# RPCs made during tests.
-LONG_TIMEOUT = 3000
-# Values to supply on construction of an object that will service RPCs; these
-# should not be used as the actual timeout values of any RPCs made during tests.
-DEFAULT_TIMEOUT = 300
-MAXIMUM_TIMEOUT = 3600
-
-# The number of payloads to transmit in streaming tests.
-STREAM_LENGTH = 200
-
-# The size of payloads to transmit in tests.
-PAYLOAD_SIZE = 256 * 1024 + 17
-
-# The concurrency to use in tests of concurrent RPCs that will not create as
-# many threads as RPCs.
-RPC_CONCURRENCY = 200
-
-# The concurrency to use in tests of concurrent RPCs that will create as many
-# threads as RPCs.
-THREAD_CONCURRENCY = 25
-
-# The size of thread pools to use in tests.
-POOL_SIZE = 10
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/common/test_control.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/common/test_control.py
deleted file mode 100644
index 999cb5f229d..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/common/test_control.py
+++ /dev/null
@@ -1,97 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Code for instructing systems under test to block or fail."""
-
-import abc
-import contextlib
-import threading
-
-import six
-
-
-class Defect(Exception):
-    """Simulates a programming defect raised into in a system under test.
-
-  Use of a standard exception type is too easily misconstrued as an actual
-  defect in either the test infrastructure or the system under test.
-  """
-
-
-class Control(six.with_metaclass(abc.ABCMeta)):
-    """An object that accepts program control from a system under test.
-
-  Systems under test passed a Control should call its control() method
-  frequently during execution. The control() method may block, raise an
-  exception, or do nothing, all according to the enclosing test's desire for
-  the system under test to simulate freezing, failing, or functioning.
-  """
-
-    @abc.abstractmethod
-    def control(self):
-        """Potentially does anything."""
-        raise NotImplementedError()
-
-
-class PauseFailControl(Control):
-    """A Control that can be used to pause or fail code under control.
-
-  This object is only safe for use from two threads: one of the system under
-  test calling control and the other from the test system calling pause,
-  block_until_paused, and fail.
-  """
-
-    def __init__(self):
-        self._condition = threading.Condition()
-        self._pause = False
-        self._paused = False
-        self._fail = False
-
-    def control(self):
-        with self._condition:
-            if self._fail:
-                raise Defect()
-
-            while self._pause:
-                self._paused = True
-                self._condition.notify_all()
-                self._condition.wait()
-            self._paused = False
-
-    @contextlib.contextmanager
-    def pause(self):
-        """Pauses code under control while controlling code is in context."""
-        with self._condition:
-            self._pause = True
-        yield
-        with self._condition:
-            self._pause = False
-            self._condition.notify_all()
-
-    def block_until_paused(self):
-        """Blocks controlling code until code under control is paused.
-
-    May only be called within the context of a pause call.
-    """
-        with self._condition:
-            while not self._paused:
-                self._condition.wait()
-
-    @contextlib.contextmanager
-    def fail(self):
-        """Fails code under control while controlling code is in context."""
-        with self._condition:
-            self._fail = True
-        yield
-        with self._condition:
-            self._fail = False
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/common/test_coverage.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/common/test_coverage.py
deleted file mode 100644
index f90a11963fb..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/common/test_coverage.py
+++ /dev/null
@@ -1,101 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Governs coverage for tests of RPCs throughout RPC Framework."""
-
-import abc
-
-import six
-
-# This code is designed for use with the unittest module.
-# pylint: disable=invalid-name
-
-
-class Coverage(six.with_metaclass(abc.ABCMeta)):
-    """Specification of test coverage."""
-
-    @abc.abstractmethod
-    def testSuccessfulUnaryRequestUnaryResponse(self):
-        raise NotImplementedError()
-
-    @abc.abstractmethod
-    def testSuccessfulUnaryRequestStreamResponse(self):
-        raise NotImplementedError()
-
-    @abc.abstractmethod
-    def testSuccessfulStreamRequestUnaryResponse(self):
-        raise NotImplementedError()
-
-    @abc.abstractmethod
-    def testSuccessfulStreamRequestStreamResponse(self):
-        raise NotImplementedError()
-
-    @abc.abstractmethod
-    def testSequentialInvocations(self):
-        raise NotImplementedError()
-
-    @abc.abstractmethod
-    def testParallelInvocations(self):
-        raise NotImplementedError()
-
-    @abc.abstractmethod
-    def testWaitingForSomeButNotAllParallelInvocations(self):
-        raise NotImplementedError()
-
-    @abc.abstractmethod
-    def testCancelledUnaryRequestUnaryResponse(self):
-        raise NotImplementedError()
-
-    @abc.abstractmethod
-    def testCancelledUnaryRequestStreamResponse(self):
-        raise NotImplementedError()
-
-    @abc.abstractmethod
-    def testCancelledStreamRequestUnaryResponse(self):
-        raise NotImplementedError()
-
-    @abc.abstractmethod
-    def testCancelledStreamRequestStreamResponse(self):
-        raise NotImplementedError()
-
-    @abc.abstractmethod
-    def testExpiredUnaryRequestUnaryResponse(self):
-        raise NotImplementedError()
-
-    @abc.abstractmethod
-    def testExpiredUnaryRequestStreamResponse(self):
-        raise NotImplementedError()
-
-    @abc.abstractmethod
-    def testExpiredStreamRequestUnaryResponse(self):
-        raise NotImplementedError()
-
-    @abc.abstractmethod
-    def testExpiredStreamRequestStreamResponse(self):
-        raise NotImplementedError()
-
-    @abc.abstractmethod
-    def testFailedUnaryRequestUnaryResponse(self):
-        raise NotImplementedError()
-
-    @abc.abstractmethod
-    def testFailedUnaryRequestStreamResponse(self):
-        raise NotImplementedError()
-
-    @abc.abstractmethod
-    def testFailedStreamRequestUnaryResponse(self):
-        raise NotImplementedError()
-
-    @abc.abstractmethod
-    def testFailedStreamRequestStreamResponse(self):
-        raise NotImplementedError()
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/foundation/__init__.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/foundation/__init__.py
deleted file mode 100644
index 5fb4f3c3cfd..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/foundation/__init__.py
+++ /dev/null
@@ -1,13 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/foundation/_logging_pool_test.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/foundation/_logging_pool_test.py
deleted file mode 100644
index c4ea03177cc..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/foundation/_logging_pool_test.py
+++ /dev/null
@@ -1,73 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Tests for grpc.framework.foundation.logging_pool."""
-
-import threading
-import unittest
-
-from grpc.framework.foundation import logging_pool
-
-_POOL_SIZE = 16
-
-
-class _CallableObject(object):
-
-    def __init__(self):
-        self._lock = threading.Lock()
-        self._passed_values = []
-
-    def __call__(self, value):
-        with self._lock:
-            self._passed_values.append(value)
-
-    def passed_values(self):
-        with self._lock:
-            return tuple(self._passed_values)
-
-
-class LoggingPoolTest(unittest.TestCase):
-
-    def testUpAndDown(self):
-        pool = logging_pool.pool(_POOL_SIZE)
-        pool.shutdown(wait=True)
-
-        with logging_pool.pool(_POOL_SIZE) as pool:
-            self.assertIsNotNone(pool)
-
-    def testTaskExecuted(self):
-        test_list = []
-
-        with logging_pool.pool(_POOL_SIZE) as pool:
-            pool.submit(lambda: test_list.append(object())).result()
-
-        self.assertTrue(test_list)
-
-    def testException(self):
-        with logging_pool.pool(_POOL_SIZE) as pool:
-            raised_exception = pool.submit(lambda: 1 / 0).exception()
-
-        self.assertIsNotNone(raised_exception)
-
-    def testCallableObjectExecuted(self):
-        callable_object = _CallableObject()
-        passed_object = object()
-        with logging_pool.pool(_POOL_SIZE) as pool:
-            future = pool.submit(callable_object, passed_object)
-        self.assertIsNone(future.result())
-        self.assertSequenceEqual((passed_object,),
-                                 callable_object.passed_values())
-
-
-if __name__ == '__main__':
-    unittest.main(verbosity=2)
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/foundation/stream_testing.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/foundation/stream_testing.py
deleted file mode 100644
index dd5c5b3b031..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/framework/foundation/stream_testing.py
+++ /dev/null
@@ -1,57 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Utilities for testing stream-related code."""
-
-from grpc.framework.foundation import stream
-
-
-class TestConsumer(stream.Consumer):
-    """A stream.Consumer instrumented for testing.
-
-  Attributes:
-    calls: A sequence of value-termination pairs describing the history of calls
-      made on this object.
-  """
-
-    def __init__(self):
-        self.calls = []
-
-    def consume(self, value):
-        """See stream.Consumer.consume for specification."""
-        self.calls.append((value, False))
-
-    def terminate(self):
-        """See stream.Consumer.terminate for specification."""
-        self.calls.append((None, True))
-
-    def consume_and_terminate(self, value):
-        """See stream.Consumer.consume_and_terminate for specification."""
-        self.calls.append((value, True))
-
-    def is_legal(self):
-        """Reports whether or not a legal sequence of calls has been made."""
-        terminated = False
-        for value, terminal in self.calls:
-            if terminated:
-                return False
-            elif terminal:
-                terminated = True
-            elif value is None:
-                return False
-        else:  # pylint: disable=useless-else-on-loop
-            return True
-
-    def values(self):
-        """Returns the sequence of values that have been passed to this Consumer."""
-        return [value for value, _ in self.calls if value]
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/resources.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/resources.py
deleted file mode 100644
index 6efd870fc86..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/resources.py
+++ /dev/null
@@ -1,113 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Constants and functions for data used in testing."""
-
-import os
-import pkgutil
-
-_ROOT_CERTIFICATES_RESOURCE_PATH = 'credentials/ca.pem'
-_PRIVATE_KEY_RESOURCE_PATH = 'credentials/server1.key'
-_CERTIFICATE_CHAIN_RESOURCE_PATH = 'credentials/server1.pem'
-
-
-def test_root_certificates():
-    return pkgutil.get_data(__name__, _ROOT_CERTIFICATES_RESOURCE_PATH)
-
-
-def private_key():
-    return pkgutil.get_data(__name__, _PRIVATE_KEY_RESOURCE_PATH)
-
-
-def certificate_chain():
-    return pkgutil.get_data(__name__, _CERTIFICATE_CHAIN_RESOURCE_PATH)
-
-
-def cert_hier_1_root_ca_cert():
-    return pkgutil.get_data(
-        __name__, 'credentials/certificate_hierarchy_1/certs/ca.cert.pem')
-
-
-def cert_hier_1_intermediate_ca_cert():
-    return pkgutil.get_data(
-        __name__,
-        'credentials/certificate_hierarchy_1/intermediate/certs/intermediate.cert.pem'
-    )
-
-
-def cert_hier_1_client_1_key():
-    return pkgutil.get_data(
-        __name__,
-        'credentials/certificate_hierarchy_1/intermediate/private/client.key.pem'
-    )
-
-
-def cert_hier_1_client_1_cert():
-    return pkgutil.get_data(
-        __name__,
-        'credentials/certificate_hierarchy_1/intermediate/certs/client.cert.pem'
-    )
-
-
-def cert_hier_1_server_1_key():
-    return pkgutil.get_data(
-        __name__,
-        'credentials/certificate_hierarchy_1/intermediate/private/localhost-1.key.pem'
-    )
-
-
-def cert_hier_1_server_1_cert():
-    return pkgutil.get_data(
-        __name__,
-        'credentials/certificate_hierarchy_1/intermediate/certs/localhost-1.cert.pem'
-    )
-
-
-def cert_hier_2_root_ca_cert():
-    return pkgutil.get_data(
-        __name__, 'credentials/certificate_hierarchy_2/certs/ca.cert.pem')
-
-
-def cert_hier_2_intermediate_ca_cert():
-    return pkgutil.get_data(
-        __name__,
-        'credentials/certificate_hierarchy_2/intermediate/certs/intermediate.cert.pem'
-    )
-
-
-def cert_hier_2_client_1_key():
-    return pkgutil.get_data(
-        __name__,
-        'credentials/certificate_hierarchy_2/intermediate/private/client.key.pem'
-    )
-
-
-def cert_hier_2_client_1_cert():
-    return pkgutil.get_data(
-        __name__,
-        'credentials/certificate_hierarchy_2/intermediate/certs/client.cert.pem'
-    )
-
-
-def cert_hier_2_server_1_key():
-    return pkgutil.get_data(
-        __name__,
-        'credentials/certificate_hierarchy_2/intermediate/private/localhost-1.key.pem'
-    )
-
-
-def cert_hier_2_server_1_cert():
-    return pkgutil.get_data(
-        __name__,
-        'credentials/certificate_hierarchy_2/intermediate/certs/localhost-1.cert.pem'
-    )
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/test_common.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/test_common.py
deleted file mode 100644
index dae69cbcebc..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/test_common.py
+++ /dev/null
@@ -1,145 +0,0 @@
-# Copyright 2015 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Common code used throughout tests of gRPC."""
-
-import collections
-from concurrent import futures
-import threading
-
-import grpc
-import six
-
-INVOCATION_INITIAL_METADATA = (
-    ('0', 'abc'),
-    ('1', 'def'),
-    ('2', 'ghi'),
-)
-SERVICE_INITIAL_METADATA = (
-    ('3', 'jkl'),
-    ('4', 'mno'),
-    ('5', 'pqr'),
-)
-SERVICE_TERMINAL_METADATA = (
-    ('6', 'stu'),
-    ('7', 'vwx'),
-    ('8', 'yza'),
-)
-DETAILS = 'test details'
-
-
-def metadata_transmitted(original_metadata, transmitted_metadata):
-    """Judges whether or not metadata was acceptably transmitted.
-
-  gRPC is allowed to insert key-value pairs into the metadata values given by
-  applications and to reorder key-value pairs with different keys but it is not
-  allowed to alter existing key-value pairs or to reorder key-value pairs with
-  the same key.
-
-  Args:
-    original_metadata: A metadata value used in a test of gRPC. An iterable over
-      iterables of length 2.
-    transmitted_metadata: A metadata value corresponding to original_metadata
-      after having been transmitted via gRPC. An iterable over iterables of
-      length 2.
-
-  Returns:
-     A boolean indicating whether transmitted_metadata accurately reflects
-      original_metadata after having been transmitted via gRPC.
-  """
-    original = collections.defaultdict(list)
-    for key, value in original_metadata:
-        original[key].append(value)
-    transmitted = collections.defaultdict(list)
-    for key, value in transmitted_metadata:
-        transmitted[key].append(value)
-
-    for key, values in six.iteritems(original):
-        transmitted_values = transmitted[key]
-        transmitted_iterator = iter(transmitted_values)
-        try:
-            for value in values:
-                while True:
-                    transmitted_value = next(transmitted_iterator)
-                    if value == transmitted_value:
-                        break
-        except StopIteration:
-            return False
-    else:
-        return True
-
-
-def test_secure_channel(target, channel_credentials, server_host_override):
-    """Creates an insecure Channel to a remote host.
-
-  Args:
-    host: The name of the remote host to which to connect.
-    port: The port of the remote host to which to connect.
-    channel_credentials: The implementations.ChannelCredentials with which to
-      connect.
-    server_host_override: The target name used for SSL host name checking.
-
-  Returns:
-    An implementations.Channel to the remote host through which RPCs may be
-      conducted.
-  """
-    channel = grpc.secure_channel(target, channel_credentials, ((
-        'grpc.ssl_target_name_override',
-        server_host_override,
-    ),))
-    return channel
-
-
-def test_server(max_workers=10, reuse_port=False):
-    """Creates an insecure grpc server.
-
-     These servers have SO_REUSEPORT disabled to prevent cross-talk.
-     """
-    return grpc.server(futures.ThreadPoolExecutor(max_workers=max_workers),
-                       options=(('grpc.so_reuseport', int(reuse_port)),))
-
-
-class WaitGroup(object):
-
-    def __init__(self, n=0):
-        self.count = n
-        self.cv = threading.Condition()
-
-    def add(self, n):
-        self.cv.acquire()
-        self.count += n
-        self.cv.release()
-
-    def done(self):
-        self.cv.acquire()
-        self.count -= 1
-        if self.count == 0:
-            self.cv.notify_all()
-        self.cv.release()
-
-    def wait(self):
-        self.cv.acquire()
-        while self.count > 0:
-            self.cv.wait()
-        self.cv.release()
-
-
-def running_under_gevent():
-    try:
-        from gevent import monkey
-        import gevent.socket
-    except ImportError:
-        return False
-    else:
-        import socket
-        return socket.socket is gevent.socket.socket
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/thread_pool.py b/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/thread_pool.py
deleted file mode 100644
index 971806fd93f..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/tests/unit/thread_pool.py
+++ /dev/null
@@ -1,34 +0,0 @@
-# Copyright 2016 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-from concurrent import futures
-import threading
-
-
-class RecordingThreadPool(futures.ThreadPoolExecutor):
-    """A thread pool that records if used."""
-
-    def __init__(self, max_workers):
-        self._tp_executor = futures.ThreadPoolExecutor(max_workers=max_workers)
-        self._lock = threading.Lock()
-        self._was_used = False
-
-    def submit(self, fn, *args, **kwargs):  # pylint: disable=arguments-differ
-        with self._lock:
-            self._was_used = True
-        self._tp_executor.submit(fn, *args, **kwargs)
-
-    def was_used(self):
-        with self._lock:
-            return self._was_used
diff --git a/contrib/libs/grpc/src/python/grpcio_tests/ya.make b/contrib/libs/grpc/src/python/grpcio_tests/ya.make
deleted file mode 100644
index 11ac47ae693..00000000000
--- a/contrib/libs/grpc/src/python/grpcio_tests/ya.make
+++ /dev/null
@@ -1,144 +0,0 @@
-PY3TEST()
-
-LICENSE(Apache-2.0)
-
-LICENSE_TEXTS(.yandex_meta/licenses.list.txt)
-
-PEERDIR(
-    contrib/python/grpcio
-)
-
-NO_LINT()
-
-PY_SRCS(
-    TOP_LEVEL
-    # tests/_sanity/__init__.py
-    # tests/testing/proto/__init__.py
-    # tests/testing/__init__.py
-    # tests/testing/_application_common.py
-    # tests/testing/_application_testing_common.py
-    # tests/testing/_client_application.py
-    # tests/testing/_client_test.py
-    # tests/testing/_server_application.py
-    # tests/testing/_server_test.py
-    # tests/testing/_time_test.py
-    tests/unit/__init__.py
-    tests/unit/_cython/__init__.py
-    tests/unit/_cython/_common.py
-    tests/unit/_cython/test_utilities.py
-    tests/unit/_exit_scenarios.py
-    tests/unit/_from_grpc_import_star.py
-    tests/unit/_rpc_test_helpers.py
-    tests/unit/_server_shutdown_scenarios.py
-    tests/unit/_signal_client.py
-    tests/unit/_tcp_proxy.py
-    tests/unit/beta/__init__.py
-    tests/unit/beta/test_utilities.py
-    tests/unit/framework/__init__.py
-    tests/unit/framework/common/__init__.py
-    tests/unit/framework/common/test_constants.py
-    tests/unit/framework/common/test_control.py
-    tests/unit/framework/common/test_coverage.py
-    tests/unit/framework/foundation/__init__.py
-    tests/unit/resources.py
-    tests/unit/test_common.py
-    tests/unit/thread_pool.py
-    # protofiles
-    # tests/interop/__init__.py
-    # tests/interop/_intraop_test_case.py
-    # tests/interop/client.py
-    # tests/interop/methods.py
-    # tests/interop/resources.py
-    # tests/interop/server.py
-    # tests/interop/service.py
-    # protofiles
-    # tests/fork/__init__.py
-    # tests/fork/client.py
-    # tests/fork/methods.py
-    # protofiles
-    # tests/__init__.py
-    # tests/_loader.py
-    # tests/_result.py
-    # tests/_runner.py
-)
-
-TEST_SRCS(
-    # coverage
-    # tests/_sanity/_sanity_test.py
-    tests/unit/_api_test.py
-    tests/unit/_abort_test.py
-    # CRASH
-    # tests/unit/_auth_context_test.py
-    tests/unit/_auth_test.py
-    tests/unit/_channel_args_test.py
-    tests/unit/_channel_close_test.py
-    tests/unit/_channel_connectivity_test.py
-    tests/unit/_channel_ready_future_test.py
-    # FLAKY
-    # tests/unit/_compression_test.py
-    tests/unit/_contextvars_propagation_test.py
-    tests/unit/_credentials_test.py
-    tests/unit/_cython/_cancel_many_calls_test.py
-    tests/unit/_cython/_channel_test.py
-    tests/unit/_cython/_fork_test.py
-    tests/unit/_cython/_no_messages_server_completion_queue_per_call_test.py
-    tests/unit/_cython/_no_messages_single_server_completion_queue_test.py
-    tests/unit/_cython/_read_some_but_not_all_responses_test.py
-    tests/unit/_cython/_server_test.py
-    tests/unit/_cython/cygrpc_test.py
-    tests/unit/_dns_resolver_test.py
-    tests/unit/_dynamic_stubs_test.py
-    tests/unit/_empty_message_test.py
-    tests/unit/_error_message_encoding_test.py
-    tests/unit/_exit_test.py
-    tests/unit/_grpc_shutdown_test.py
-    tests/unit/_interceptor_test.py
-    tests/unit/_invalid_metadata_test.py
-    tests/unit/_invocation_defects_test.py
-    tests/unit/_local_credentials_test.py
-    tests/unit/_logging_test.py
-    tests/unit/_metadata_code_details_test.py
-    tests/unit/_metadata_flags_test.py
-    tests/unit/_metadata_test.py
-    tests/unit/_reconnect_test.py
-    tests/unit/_resource_exhausted_test.py
-    tests/unit/_rpc_part_1_test.py
-    tests/unit/_rpc_part_2_test.py
-    tests/unit/_server_shutdown_test.py
-    tests/unit/_xds_credentials_test.py
-    # tests.testing
-    # tests/unit/_server_ssl_cert_config_test.py
-    tests/unit/_server_test.py
-    tests/unit/_server_wait_for_termination_test.py
-    # CRASH
-    # tests/unit/_session_cache_test.py
-    tests/unit/_signal_handling_test.py
-    tests/unit/_version_test.py
-    tests/unit/beta/_beta_features_test.py
-    tests/unit/beta/_connectivity_channel_test.py
-    # oauth2client
-    # tests/unit/beta/_implementations_test.py
-    tests/unit/beta/_not_found_test.py
-    tests/unit/beta/_utilities_test.py
-    tests/unit/framework/foundation/_logging_pool_test.py
-    tests/unit/framework/foundation/stream_testing.py
-    # protofiles
-    # tests/interop/_insecure_intraop_test.py
-    # tests/interop/_secure_intraop_test.py
-    # tests/fork/_fork_interop_test.py
-)
-
-SIZE(MEDIUM)
-
-RESOURCE_FILES(
-    PREFIX contrib/libs/grpc/src/python/grpcio_tests/
-    tests/unit/credentials/ca.pem
-    tests/unit/credentials/server1.key
-    tests/unit/credentials/server1.pem
-)
-
-EXPLICIT_DATA()
-
-REQUIREMENTS(network:full)
-
-END()
author	robot-piglet <robot-piglet@yandex-team.com>	2023-03-23 12:15:53 +0300
committer	robot-piglet <robot-piglet@yandex-team.com>	2023-03-23 12:15:53 +0300
commit	8d5942b8f813c0e704a166c3c83902ccceefca07 (patch)
tree	d717bac5cbd96eaff6a15e1c3f7b664b3b5dfce8 /contrib/libs/grpc/src
parent	091daa0ca1dd4df8f596b17239c6f9a72abf3aab (diff)
download	ydb-8d5942b8f813c0e704a166c3c83902ccceefca07.tar.gz