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/*
*
* 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.
*
*/
#include <exception>
#include <memory>
#include <grpc/impl/codegen/port_platform.h>
#include <grpcpp/channel.h>
#include <grpcpp/client_context.h>
#include <grpcpp/server.h>
#include <grpcpp/server_builder.h>
#include <grpcpp/server_context.h>
#include "src/proto/grpc/testing/echo.grpc.pb.h"
#include "test/core/util/test_config.h"
#include <gtest/gtest.h>
namespace grpc {
namespace testing {
const char* kErrorMessage = "This service caused an exception";
#if GRPC_ALLOW_EXCEPTIONS
class ExceptingServiceImpl : public ::grpc::testing::EchoTestService::Service {
public:
Status Echo(ServerContext* /*server_context*/, const EchoRequest* /*request*/,
EchoResponse* /*response*/) override {
throw - 1;
}
Status RequestStream(ServerContext* /*context*/,
ServerReader<EchoRequest>* /*reader*/,
EchoResponse* /*response*/) override {
throw ServiceException();
}
private:
class ServiceException final : public std::exception {
public:
ServiceException() {}
private:
const char* what() const noexcept override { return kErrorMessage; }
};
};
class ExceptionTest : public ::testing::Test {
protected:
ExceptionTest() {}
void SetUp() override {
ServerBuilder builder;
builder.RegisterService(&service_);
server_ = builder.BuildAndStart();
}
void TearDown() override { server_->Shutdown(); }
void ResetStub() {
channel_ = server_->InProcessChannel(ChannelArguments());
stub_ = grpc::testing::EchoTestService::NewStub(channel_);
}
std::shared_ptr<Channel> channel_;
std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
std::unique_ptr<Server> server_;
ExceptingServiceImpl service_;
};
TEST_F(ExceptionTest, Unary) {
ResetStub();
EchoRequest request;
EchoResponse response;
request.set_message("test");
for (int i = 0; i < 10; i++) {
ClientContext context;
Status s = stub_->Echo(&context, request, &response);
EXPECT_FALSE(s.ok());
EXPECT_EQ(s.error_code(), StatusCode::UNKNOWN);
}
}
TEST_F(ExceptionTest, RequestStream) {
ResetStub();
EchoResponse response;
for (int i = 0; i < 10; i++) {
ClientContext context;
auto stream = stub_->RequestStream(&context, &response);
stream->WritesDone();
Status s = stream->Finish();
EXPECT_FALSE(s.ok());
EXPECT_EQ(s.error_code(), StatusCode::UNKNOWN);
}
}
#endif // GRPC_ALLOW_EXCEPTIONS
} // 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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