| /* |
| * |
| * 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 <grpc/grpc.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/time.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 "absl/memory/memory.h" |
| |
| #include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.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/subprocess.h" |
| |
| #include <gtest/gtest.h> |
| |
| using grpc::testing::EchoRequest; |
| using grpc::testing::EchoResponse; |
| using std::chrono::system_clock; |
| |
| static std::string g_root; |
| |
| namespace grpc { |
| namespace testing { |
| |
| namespace { |
| |
| class CrashTest : public ::testing::Test { |
| protected: |
| CrashTest() {} |
| |
| std::unique_ptr<grpc::testing::EchoTestService::Stub> CreateServerAndStub() { |
| auto port = grpc_pick_unused_port_or_die(); |
| std::ostringstream addr_stream; |
| addr_stream << "localhost:" << port; |
| auto addr = addr_stream.str(); |
| server_ = absl::make_unique<SubProcess>(std::vector<std::string>({ |
| g_root + "/client_crash_test_server", |
| "--address=" + addr, |
| })); |
| GPR_ASSERT(server_); |
| return grpc::testing::EchoTestService::NewStub( |
| grpc::CreateChannel(addr, InsecureChannelCredentials())); |
| } |
| |
| void KillServer() { server_.reset(); } |
| |
| private: |
| std::unique_ptr<SubProcess> server_; |
| }; |
| |
| TEST_F(CrashTest, KillBeforeWrite) { |
| auto stub = CreateServerAndStub(); |
| |
| EchoRequest request; |
| EchoResponse response; |
| ClientContext context; |
| context.set_wait_for_ready(true); |
| |
| auto stream = stub->BidiStream(&context); |
| |
| request.set_message("Hello"); |
| EXPECT_TRUE(stream->Write(request)); |
| EXPECT_TRUE(stream->Read(&response)); |
| EXPECT_EQ(response.message(), request.message()); |
| |
| KillServer(); |
| |
| request.set_message("You should be dead"); |
| // This may succeed or fail depending on the state of the TCP connection |
| stream->Write(request); |
| // But the read will definitely fail |
| EXPECT_FALSE(stream->Read(&response)); |
| |
| EXPECT_FALSE(stream->Finish().ok()); |
| } |
| |
| TEST_F(CrashTest, KillAfterWrite) { |
| auto stub = CreateServerAndStub(); |
| |
| EchoRequest request; |
| EchoResponse response; |
| ClientContext context; |
| context.set_wait_for_ready(true); |
| |
| auto stream = stub->BidiStream(&context); |
| |
| request.set_message("Hello"); |
| EXPECT_TRUE(stream->Write(request)); |
| EXPECT_TRUE(stream->Read(&response)); |
| EXPECT_EQ(response.message(), request.message()); |
| |
| request.set_message("I'm going to kill you"); |
| EXPECT_TRUE(stream->Write(request)); |
| |
| KillServer(); |
| |
| // This may succeed or fail depending on how quick the server was |
| stream->Read(&response); |
| |
| EXPECT_FALSE(stream->Finish().ok()); |
| } |
| |
| } // namespace |
| |
| } // namespace testing |
| } // namespace grpc |
| |
| int main(int argc, char** argv) { |
| std::string me = argv[0]; |
| auto lslash = me.rfind('/'); |
| if (lslash != std::string::npos) { |
| g_root = me.substr(0, lslash); |
| } else { |
| g_root = "."; |
| } |
| |
| grpc::testing::TestEnvironment env(argc, argv); |
| ::testing::InitGoogleTest(&argc, argv); |
| // Order seems to matter on these tests: run three times to eliminate that |
| for (int i = 0; i < 3; i++) { |
| if (RUN_ALL_TESTS() != 0) { |
| return 1; |
| } |
| } |
| return 0; |
| } |