/* * * Copyright 2015-2016, Google Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #include <thread> #include <grpc++/channel.h> #include <grpc++/client_context.h> #include <grpc++/create_channel.h> #include <grpc++/server.h> #include <grpc++/server_builder.h> #include <grpc++/server_context.h> #include <grpc/grpc.h> #include <grpc/support/thd.h> #include <grpc/support/time.h> #include <gtest/gtest.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" using grpc::testing::EchoRequest; using grpc::testing::EchoResponse; using grpc::testing::EchoTestService; using std::chrono::system_clock; namespace grpc { namespace testing { namespace { template <class W, class R> class MockClientReaderWriter GRPC_FINAL : public ClientReaderWriterInterface<W, R> { public: void WaitForInitialMetadata() GRPC_OVERRIDE {} bool Read(R* msg) GRPC_OVERRIDE { return true; } bool Write(const W& msg) GRPC_OVERRIDE { return true; } bool WritesDone() GRPC_OVERRIDE { return true; } Status Finish() GRPC_OVERRIDE { return Status::OK; } }; template <> class MockClientReaderWriter<EchoRequest, EchoResponse> GRPC_FINAL : public ClientReaderWriterInterface<EchoRequest, EchoResponse> { public: MockClientReaderWriter() : writes_done_(false) {} void WaitForInitialMetadata() GRPC_OVERRIDE {} bool Read(EchoResponse* msg) GRPC_OVERRIDE { if (writes_done_) return false; msg->set_message(last_message_); return true; } bool Write(const EchoRequest& msg, const WriteOptions& options) GRPC_OVERRIDE { gpr_log(GPR_INFO, "mock recv msg %s", msg.message().c_str()); last_message_ = msg.message(); return true; } bool WritesDone() GRPC_OVERRIDE { writes_done_ = true; return true; } Status Finish() GRPC_OVERRIDE { return Status::OK; } private: bool writes_done_; grpc::string last_message_; }; // Mocked stub. class MockStub : public EchoTestService::StubInterface { public: MockStub() {} ~MockStub() {} Status Echo(ClientContext* context, const EchoRequest& request, EchoResponse* response) GRPC_OVERRIDE { response->set_message(request.message()); return Status::OK; } Status Unimplemented(ClientContext* context, const EchoRequest& request, EchoResponse* response) GRPC_OVERRIDE { return Status::OK; } private: ClientAsyncResponseReaderInterface<EchoResponse>* AsyncEchoRaw( ClientContext* context, const EchoRequest& request, CompletionQueue* cq) GRPC_OVERRIDE { return nullptr; } ClientWriterInterface<EchoRequest>* RequestStreamRaw( ClientContext* context, EchoResponse* response) GRPC_OVERRIDE { return nullptr; } ClientAsyncWriterInterface<EchoRequest>* AsyncRequestStreamRaw( ClientContext* context, EchoResponse* response, CompletionQueue* cq, void* tag) GRPC_OVERRIDE { return nullptr; } ClientReaderInterface<EchoResponse>* ResponseStreamRaw( ClientContext* context, const EchoRequest& request) GRPC_OVERRIDE { return nullptr; } ClientAsyncReaderInterface<EchoResponse>* AsyncResponseStreamRaw( ClientContext* context, const EchoRequest& request, CompletionQueue* cq, void* tag) GRPC_OVERRIDE { return nullptr; } ClientReaderWriterInterface<EchoRequest, EchoResponse>* BidiStreamRaw( ClientContext* context) GRPC_OVERRIDE { return new MockClientReaderWriter<EchoRequest, EchoResponse>(); } ClientAsyncReaderWriterInterface<EchoRequest, EchoResponse>* AsyncBidiStreamRaw(ClientContext* context, CompletionQueue* cq, void* tag) GRPC_OVERRIDE { return nullptr; } ClientAsyncResponseReaderInterface<EchoResponse>* AsyncUnimplementedRaw( ClientContext* context, const EchoRequest& request, CompletionQueue* cq) GRPC_OVERRIDE { return nullptr; } }; class FakeClient { public: explicit FakeClient(EchoTestService::StubInterface* stub) : stub_(stub) {} void DoEcho() { ClientContext context; EchoRequest request; EchoResponse response; request.set_message("hello world"); Status s = stub_->Echo(&context, request, &response); EXPECT_EQ(request.message(), response.message()); EXPECT_TRUE(s.ok()); } void DoBidiStream() { EchoRequest request; EchoResponse response; ClientContext context; grpc::string msg("hello"); std::unique_ptr<ClientReaderWriterInterface<EchoRequest, EchoResponse>> stream = stub_->BidiStream(&context); request.set_message(msg + "0"); EXPECT_TRUE(stream->Write(request)); EXPECT_TRUE(stream->Read(&response)); EXPECT_EQ(response.message(), request.message()); request.set_message(msg + "1"); EXPECT_TRUE(stream->Write(request)); EXPECT_TRUE(stream->Read(&response)); EXPECT_EQ(response.message(), request.message()); request.set_message(msg + "2"); EXPECT_TRUE(stream->Write(request)); EXPECT_TRUE(stream->Read(&response)); EXPECT_EQ(response.message(), request.message()); stream->WritesDone(); EXPECT_FALSE(stream->Read(&response)); Status s = stream->Finish(); EXPECT_TRUE(s.ok()); } void ResetStub(EchoTestService::StubInterface* stub) { stub_ = stub; } private: EchoTestService::StubInterface* stub_; }; class TestServiceImpl : public EchoTestService::Service { public: Status Echo(ServerContext* context, const EchoRequest* request, EchoResponse* response) GRPC_OVERRIDE { response->set_message(request->message()); return Status::OK; } Status BidiStream(ServerContext* context, ServerReaderWriter<EchoResponse, EchoRequest>* stream) GRPC_OVERRIDE { EchoRequest request; EchoResponse response; while (stream->Read(&request)) { gpr_log(GPR_INFO, "recv msg %s", request.message().c_str()); response.set_message(request.message()); stream->Write(response); } return Status::OK; } }; class MockTest : public ::testing::Test { protected: MockTest() {} void SetUp() GRPC_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() GRPC_OVERRIDE { server_->Shutdown(); } void ResetStub() { std::shared_ptr<Channel> channel = CreateChannel(server_address_.str(), InsecureChannelCredentials()); stub_ = grpc::testing::EchoTestService::NewStub(channel); } std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_; std::unique_ptr<Server> server_; std::ostringstream server_address_; TestServiceImpl service_; }; // Do one real rpc and one mocked one TEST_F(MockTest, SimpleRpc) { ResetStub(); FakeClient client(stub_.get()); client.DoEcho(); MockStub stub; client.ResetStub(&stub); client.DoEcho(); } TEST_F(MockTest, BidiStream) { ResetStub(); FakeClient client(stub_.get()); client.DoBidiStream(); MockStub stub; client.ResetStub(&stub); client.DoBidiStream(); } } // namespace } // namespace testing } // namespace grpc int main(int argc, char** argv) { grpc_test_init(argc, argv); ::testing::InitGoogleTest(&argc, argv); return RUN_ALL_TESTS(); }