438 lines
14 KiB
C++
438 lines
14 KiB
C++
/*
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*
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* Copyright 2015, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <chrono>
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#include <thread>
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#include "test/core/util/test_config.h"
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#include "test/cpp/util/echo_duplicate.pb.h"
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#include "test/cpp/util/echo.pb.h"
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#include "src/cpp/util/time.h"
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#include "src/cpp/server/thread_pool.h"
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#include <grpc++/channel_arguments.h>
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#include <grpc++/channel_interface.h>
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#include <grpc++/client_context.h>
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#include <grpc++/create_channel.h>
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#include <grpc++/credentials.h>
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#include <grpc++/server.h>
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#include <grpc++/server_builder.h>
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#include <grpc++/server_context.h>
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#include <grpc++/server_credentials.h>
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#include <grpc++/status.h>
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#include <grpc++/stream.h>
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#include "test/core/util/port.h"
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#include <gtest/gtest.h>
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#include <grpc/grpc.h>
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#include <grpc/support/thd.h>
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#include <grpc/support/time.h>
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using grpc::cpp::test::util::EchoRequest;
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using grpc::cpp::test::util::EchoResponse;
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using std::chrono::system_clock;
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namespace grpc {
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namespace testing {
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namespace {
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// When echo_deadline is requested, deadline seen in the ServerContext is set in
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// the response in seconds.
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void MaybeEchoDeadline(ServerContext* context, const EchoRequest* request,
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EchoResponse* response) {
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if (request->has_param() && request->param().echo_deadline()) {
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gpr_timespec deadline = gpr_inf_future;
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if (context->absolute_deadline() != system_clock::time_point::max()) {
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Timepoint2Timespec(context->absolute_deadline(), &deadline);
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}
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response->mutable_param()->set_request_deadline(deadline.tv_sec);
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}
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}
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} // namespace
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class TestServiceImpl : public ::grpc::cpp::test::util::TestService::Service {
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public:
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Status Echo(ServerContext* context, const EchoRequest* request,
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EchoResponse* response) GRPC_OVERRIDE {
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response->set_message(request->message());
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MaybeEchoDeadline(context, request, response);
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return Status::OK;
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}
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// Unimplemented is left unimplemented to test the returned error.
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Status RequestStream(ServerContext* context,
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ServerReader<EchoRequest>* reader,
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EchoResponse* response) GRPC_OVERRIDE {
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EchoRequest request;
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response->set_message("");
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while (reader->Read(&request)) {
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response->mutable_message()->append(request.message());
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}
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return Status::OK;
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}
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// Return 3 messages.
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// TODO(yangg) make it generic by adding a parameter into EchoRequest
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Status ResponseStream(ServerContext* context, const EchoRequest* request,
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ServerWriter<EchoResponse>* writer) GRPC_OVERRIDE {
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EchoResponse response;
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response.set_message(request->message() + "0");
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writer->Write(response);
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response.set_message(request->message() + "1");
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writer->Write(response);
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response.set_message(request->message() + "2");
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writer->Write(response);
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return Status::OK;
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}
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Status BidiStream(ServerContext* context,
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ServerReaderWriter<EchoResponse, EchoRequest>* stream)
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GRPC_OVERRIDE {
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EchoRequest request;
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EchoResponse response;
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while (stream->Read(&request)) {
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gpr_log(GPR_INFO, "recv msg %s", request.message().c_str());
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response.set_message(request.message());
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stream->Write(response);
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}
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return Status::OK;
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}
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};
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class TestServiceImplDupPkg
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: public ::grpc::cpp::test::util::duplicate::TestService::Service {
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public:
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Status Echo(ServerContext* context, const EchoRequest* request,
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EchoResponse* response) GRPC_OVERRIDE {
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response->set_message("no package");
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return Status::OK;
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}
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};
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class End2endTest : public ::testing::Test {
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protected:
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End2endTest() : thread_pool_(2) {}
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void SetUp() GRPC_OVERRIDE {
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int port = grpc_pick_unused_port_or_die();
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server_address_ << "localhost:" << port;
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// Setup server
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ServerBuilder builder;
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builder.AddPort(server_address_.str(), InsecureServerCredentials());
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builder.RegisterService(&service_);
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builder.RegisterService(&dup_pkg_service_);
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builder.SetThreadPool(&thread_pool_);
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server_ = builder.BuildAndStart();
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}
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void TearDown() GRPC_OVERRIDE { server_->Shutdown(); }
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void ResetStub() {
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std::shared_ptr<ChannelInterface> channel = CreateChannel(
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server_address_.str(), InsecureCredentials(), ChannelArguments());
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stub_ = std::move(grpc::cpp::test::util::TestService::NewStub(channel));
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}
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std::unique_ptr<grpc::cpp::test::util::TestService::Stub> stub_;
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std::unique_ptr<Server> server_;
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std::ostringstream server_address_;
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TestServiceImpl service_;
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TestServiceImplDupPkg dup_pkg_service_;
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ThreadPool thread_pool_;
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};
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static void SendRpc(grpc::cpp::test::util::TestService::Stub* stub,
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int num_rpcs) {
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EchoRequest request;
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EchoResponse response;
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request.set_message("Hello");
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for (int i = 0; i < num_rpcs; ++i) {
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ClientContext context;
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Status s = stub->Echo(&context, request, &response);
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EXPECT_EQ(response.message(), request.message());
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EXPECT_TRUE(s.IsOk());
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}
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}
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TEST_F(End2endTest, SimpleRpc) {
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ResetStub();
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SendRpc(stub_.get(), 1);
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}
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TEST_F(End2endTest, MultipleRpcs) {
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ResetStub();
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std::vector<std::thread*> threads;
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for (int i = 0; i < 10; ++i) {
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threads.push_back(new std::thread(SendRpc, stub_.get(), 10));
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}
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for (int i = 0; i < 10; ++i) {
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threads[i]->join();
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delete threads[i];
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}
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}
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// Set a 10us deadline and make sure proper error is returned.
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TEST_F(End2endTest, RpcDeadlineExpires) {
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ResetStub();
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EchoRequest request;
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EchoResponse response;
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request.set_message("Hello");
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ClientContext context;
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std::chrono::system_clock::time_point deadline =
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std::chrono::system_clock::now() + std::chrono::microseconds(10);
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context.set_absolute_deadline(deadline);
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Status s = stub_->Echo(&context, request, &response);
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EXPECT_EQ(StatusCode::DEADLINE_EXCEEDED, s.code());
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}
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// Set a long but finite deadline.
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TEST_F(End2endTest, RpcLongDeadline) {
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ResetStub();
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EchoRequest request;
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EchoResponse response;
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request.set_message("Hello");
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ClientContext context;
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std::chrono::system_clock::time_point deadline =
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std::chrono::system_clock::now() + std::chrono::hours(1);
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context.set_absolute_deadline(deadline);
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Status s = stub_->Echo(&context, request, &response);
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EXPECT_EQ(response.message(), request.message());
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EXPECT_TRUE(s.IsOk());
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}
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// Ask server to echo back the deadline it sees.
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TEST_F(End2endTest, EchoDeadline) {
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ResetStub();
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EchoRequest request;
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EchoResponse response;
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request.set_message("Hello");
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request.mutable_param()->set_echo_deadline(true);
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ClientContext context;
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std::chrono::system_clock::time_point deadline =
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std::chrono::system_clock::now() + std::chrono::seconds(100);
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context.set_absolute_deadline(deadline);
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Status s = stub_->Echo(&context, request, &response);
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EXPECT_EQ(response.message(), request.message());
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EXPECT_TRUE(s.IsOk());
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gpr_timespec sent_deadline;
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Timepoint2Timespec(deadline, &sent_deadline);
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// Allow 1 second error.
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EXPECT_LE(response.param().request_deadline() - sent_deadline.tv_sec, 1);
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EXPECT_GE(response.param().request_deadline() - sent_deadline.tv_sec, -1);
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}
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// Ask server to echo back the deadline it sees. The rpc has no deadline.
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TEST_F(End2endTest, EchoDeadlineForNoDeadlineRpc) {
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ResetStub();
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EchoRequest request;
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EchoResponse response;
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request.set_message("Hello");
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request.mutable_param()->set_echo_deadline(true);
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ClientContext context;
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Status s = stub_->Echo(&context, request, &response);
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EXPECT_EQ(response.message(), request.message());
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EXPECT_TRUE(s.IsOk());
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EXPECT_EQ(response.param().request_deadline(), gpr_inf_future.tv_sec);
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}
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TEST_F(End2endTest, UnimplementedRpc) {
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ResetStub();
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EchoRequest request;
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EchoResponse response;
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request.set_message("Hello");
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ClientContext context;
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Status s = stub_->Unimplemented(&context, request, &response);
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EXPECT_FALSE(s.IsOk());
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EXPECT_EQ(s.code(), grpc::StatusCode::UNIMPLEMENTED);
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EXPECT_EQ(s.details(), "");
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EXPECT_EQ(response.message(), "");
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}
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TEST_F(End2endTest, RequestStreamOneRequest) {
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ResetStub();
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EchoRequest request;
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EchoResponse response;
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ClientContext context;
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auto stream = stub_->RequestStream(&context, &response);
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request.set_message("hello");
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EXPECT_TRUE(stream->Write(request));
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stream->WritesDone();
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Status s = stream->Finish();
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EXPECT_EQ(response.message(), request.message());
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EXPECT_TRUE(s.IsOk());
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}
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TEST_F(End2endTest, RequestStreamTwoRequests) {
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ResetStub();
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EchoRequest request;
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EchoResponse response;
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ClientContext context;
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auto stream = stub_->RequestStream(&context, &response);
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request.set_message("hello");
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EXPECT_TRUE(stream->Write(request));
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EXPECT_TRUE(stream->Write(request));
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stream->WritesDone();
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Status s = stream->Finish();
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EXPECT_EQ(response.message(), "hellohello");
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EXPECT_TRUE(s.IsOk());
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}
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TEST_F(End2endTest, ResponseStream) {
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ResetStub();
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EchoRequest request;
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EchoResponse response;
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ClientContext context;
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request.set_message("hello");
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auto stream = stub_->ResponseStream(&context, request);
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EXPECT_TRUE(stream->Read(&response));
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EXPECT_EQ(response.message(), request.message() + "0");
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EXPECT_TRUE(stream->Read(&response));
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EXPECT_EQ(response.message(), request.message() + "1");
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EXPECT_TRUE(stream->Read(&response));
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EXPECT_EQ(response.message(), request.message() + "2");
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EXPECT_FALSE(stream->Read(&response));
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Status s = stream->Finish();
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EXPECT_TRUE(s.IsOk());
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}
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TEST_F(End2endTest, BidiStream) {
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ResetStub();
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EchoRequest request;
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EchoResponse response;
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ClientContext context;
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grpc::string msg("hello");
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auto stream = stub_->BidiStream(&context);
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request.set_message(msg + "0");
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EXPECT_TRUE(stream->Write(request));
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EXPECT_TRUE(stream->Read(&response));
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EXPECT_EQ(response.message(), request.message());
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request.set_message(msg + "1");
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EXPECT_TRUE(stream->Write(request));
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EXPECT_TRUE(stream->Read(&response));
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EXPECT_EQ(response.message(), request.message());
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request.set_message(msg + "2");
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EXPECT_TRUE(stream->Write(request));
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EXPECT_TRUE(stream->Read(&response));
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EXPECT_EQ(response.message(), request.message());
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stream->WritesDone();
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EXPECT_FALSE(stream->Read(&response));
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Status s = stream->Finish();
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EXPECT_TRUE(s.IsOk());
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}
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// Talk to the two services with the same name but different package names.
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// The two stubs are created on the same channel.
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TEST_F(End2endTest, DiffPackageServices) {
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std::shared_ptr<ChannelInterface> channel = CreateChannel(
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server_address_.str(), InsecureCredentials(), ChannelArguments());
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EchoRequest request;
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EchoResponse response;
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request.set_message("Hello");
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std::unique_ptr<grpc::cpp::test::util::TestService::Stub> stub(
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grpc::cpp::test::util::TestService::NewStub(channel));
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ClientContext context;
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Status s = stub->Echo(&context, request, &response);
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EXPECT_EQ(response.message(), request.message());
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EXPECT_TRUE(s.IsOk());
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std::unique_ptr<grpc::cpp::test::util::duplicate::TestService::Stub>
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dup_pkg_stub(
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grpc::cpp::test::util::duplicate::TestService::NewStub(channel));
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ClientContext context2;
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s = dup_pkg_stub->Echo(&context2, request, &response);
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EXPECT_EQ("no package", response.message());
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EXPECT_TRUE(s.IsOk());
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}
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// rpc and stream should fail on bad credentials.
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TEST_F(End2endTest, BadCredentials) {
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std::unique_ptr<Credentials> bad_creds =
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ServiceAccountCredentials("", "", std::chrono::seconds(1));
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EXPECT_EQ(nullptr, bad_creds.get());
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std::shared_ptr<ChannelInterface> channel =
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CreateChannel(server_address_.str(), bad_creds, ChannelArguments());
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std::unique_ptr<grpc::cpp::test::util::TestService::Stub> stub(
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grpc::cpp::test::util::TestService::NewStub(channel));
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EchoRequest request;
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EchoResponse response;
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ClientContext context;
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grpc::string msg("hello");
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Status s = stub->Echo(&context, request, &response);
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EXPECT_EQ("", response.message());
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EXPECT_FALSE(s.IsOk());
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EXPECT_EQ(StatusCode::UNKNOWN, s.code());
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EXPECT_EQ("Rpc sent on a lame channel.", s.details());
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ClientContext context2;
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auto stream = stub->BidiStream(&context2);
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s = stream->Finish();
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EXPECT_FALSE(s.IsOk());
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EXPECT_EQ(StatusCode::UNKNOWN, s.code());
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EXPECT_EQ("Rpc sent on a lame channel.", s.details());
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}
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} // namespace testing
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} // namespace grpc
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int main(int argc, char** argv) {
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grpc_test_init(argc, argv);
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grpc_init();
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::testing::InitGoogleTest(&argc, argv);
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int result = RUN_ALL_TESTS();
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grpc_shutdown();
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google::protobuf::ShutdownProtobufLibrary();
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return result;
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}
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