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/*
*
* 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.
*
*/
#include "test/cpp/util/cli_call.h"
#include <grpc/grpc.h>
#include <grpcpp/channel.h>
#include <grpcpp/client_context.h>
#include <grpcpp/create_channel.h>
#include <grpcpp/server.h>
#include <grpcpp/server_builder.h>
#include <grpcpp/server_context.h>
#include <gtest/gtest.h>
#include "src/proto/grpc/testing/echo.grpc.pb.h"
#include "test/core/util/port.h"
#include "test/core/util/test_config.h"
#include "test/cpp/util/string_ref_helper.h"
using grpc::testing::EchoRequest;
using grpc::testing::EchoResponse;
namespace grpc {
namespace testing {
class TestServiceImpl : public ::grpc::testing::EchoTestService::Service {
public:
Status Echo(ServerContext* context, const EchoRequest* request,
EchoResponse* response) override {
if (!context->client_metadata().empty()) {
for (std::multimap<grpc::string_ref, grpc::string_ref>::const_iterator
iter = context->client_metadata().begin();
iter != context->client_metadata().end(); ++iter) {
context->AddInitialMetadata(ToString(iter->first),
ToString(iter->second));
}
}
context->AddTrailingMetadata("trailing_key", "trailing_value");
response->set_message(request->message());
return Status::OK;
}
};
class CliCallTest : public ::testing::Test {
protected:
CliCallTest() {}
void SetUp() override {
int port = grpc_pick_unused_port_or_die();
server_address_ << "localhost:" << port;
// Setup server
ServerBuilder builder;
builder.AddListeningPort(server_address_.str(),
InsecureServerCredentials());
builder.RegisterService(&service_);
server_ = builder.BuildAndStart();
}
void TearDown() override { server_->Shutdown(); }
void ResetStub() {
channel_ = grpc::CreateChannel(server_address_.str(),
InsecureChannelCredentials());
stub_ = grpc::testing::EchoTestService::NewStub(channel_);
}
std::shared_ptr<Channel> channel_;
std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
std::unique_ptr<Server> server_;
std::ostringstream server_address_;
TestServiceImpl service_;
};
// Send a rpc with a normal stub and then a CliCall. Verify they match.
TEST_F(CliCallTest, SimpleRpc) {
ResetStub();
// Normal stub.
EchoRequest request;
EchoResponse response;
request.set_message("Hello");
ClientContext context;
context.AddMetadata("key1", "val1");
Status s = stub_->Echo(&context, request, &response);
EXPECT_EQ(response.message(), request.message());
EXPECT_TRUE(s.ok());
const TString kMethod("/grpc.testing.EchoTestService/Echo");
TString request_bin, response_bin, expected_response_bin;
EXPECT_TRUE(request.SerializeToString(&request_bin));
EXPECT_TRUE(response.SerializeToString(&expected_response_bin));
std::multimap<TString, TString> client_metadata;
std::multimap<grpc::string_ref, grpc::string_ref> server_initial_metadata,
server_trailing_metadata;
client_metadata.insert(std::pair<TString, TString>("key1", "val1"));
Status s2 = CliCall::Call(channel_, kMethod, request_bin, &response_bin,
client_metadata, &server_initial_metadata,
&server_trailing_metadata);
EXPECT_TRUE(s2.ok());
EXPECT_EQ(expected_response_bin, response_bin);
EXPECT_EQ(context.GetServerInitialMetadata(), server_initial_metadata);
EXPECT_EQ(context.GetServerTrailingMetadata(), server_trailing_metadata);
}
} // namespace testing
} // namespace grpc
int main(int argc, char** argv) {
grpc::testing::TestEnvironment env(argc, argv);
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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