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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
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293 lines
9.1 KiB
293 lines
9.1 KiB
/* |
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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 <thread> |
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#include "test/core/util/port.h" |
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#include "test/core/util/test_config.h" |
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#include "test/cpp/util/echo_duplicate.grpc.pb.h" |
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#include "test/cpp/util/echo.grpc.pb.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++/dynamic_thread_pool.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 <grpc++/time.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 grpc::cpp::test::util::TestService; |
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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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template <class W, class R> |
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class MockClientReaderWriter GRPC_FINAL |
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: public ClientReaderWriterInterface<W, R> { |
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public: |
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void WaitForInitialMetadata() {} |
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bool Read(R* msg) GRPC_OVERRIDE { return true; } |
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bool Write(const W& msg) GRPC_OVERRIDE { return true; } |
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bool WritesDone() GRPC_OVERRIDE { return true; } |
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Status Finish() GRPC_OVERRIDE { return Status::OK; } |
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}; |
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template <> |
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class MockClientReaderWriter<EchoRequest, EchoResponse> GRPC_FINAL |
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: public ClientReaderWriterInterface<EchoRequest, EchoResponse> { |
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public: |
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MockClientReaderWriter() : writes_done_(false) {} |
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void WaitForInitialMetadata() {} |
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bool Read(EchoResponse* msg) GRPC_OVERRIDE { |
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if (writes_done_) return false; |
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msg->set_message(last_message_); |
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return true; |
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} |
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bool Write(const EchoRequest& msg, |
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const WriteOptions& options) GRPC_OVERRIDE { |
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gpr_log(GPR_INFO, "mock recv msg %s", msg.message().c_str()); |
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last_message_ = msg.message(); |
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return true; |
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} |
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bool WritesDone() GRPC_OVERRIDE { |
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writes_done_ = true; |
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return true; |
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} |
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Status Finish() GRPC_OVERRIDE { return Status::OK; } |
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private: |
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bool writes_done_; |
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grpc::string last_message_; |
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}; |
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// Mocked stub. |
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class MockStub : public TestService::StubInterface { |
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public: |
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MockStub() {} |
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~MockStub() {} |
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Status Echo(ClientContext* 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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return Status::OK; |
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} |
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Status Unimplemented(ClientContext* context, const EchoRequest& request, |
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EchoResponse* response) GRPC_OVERRIDE { |
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return Status::OK; |
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} |
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private: |
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ClientAsyncResponseReaderInterface<EchoResponse>* AsyncEchoRaw( |
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ClientContext* context, const EchoRequest& request, |
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CompletionQueue* cq) GRPC_OVERRIDE { |
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return nullptr; |
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} |
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ClientWriterInterface<EchoRequest>* RequestStreamRaw( |
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ClientContext* context, EchoResponse* response) GRPC_OVERRIDE { |
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return nullptr; |
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} |
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ClientAsyncWriterInterface<EchoRequest>* AsyncRequestStreamRaw( |
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ClientContext* context, EchoResponse* response, CompletionQueue* cq, |
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void* tag) GRPC_OVERRIDE { |
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return nullptr; |
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} |
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ClientReaderInterface<EchoResponse>* ResponseStreamRaw( |
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ClientContext* context, const EchoRequest& request) GRPC_OVERRIDE { |
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return nullptr; |
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} |
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ClientAsyncReaderInterface<EchoResponse>* AsyncResponseStreamRaw( |
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ClientContext* context, const EchoRequest& request, CompletionQueue* cq, |
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void* tag) GRPC_OVERRIDE { |
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return nullptr; |
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} |
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ClientReaderWriterInterface<EchoRequest, EchoResponse>* BidiStreamRaw( |
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ClientContext* context) GRPC_OVERRIDE { |
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return new MockClientReaderWriter<EchoRequest, EchoResponse>(); |
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} |
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ClientAsyncReaderWriterInterface<EchoRequest, EchoResponse>* |
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AsyncBidiStreamRaw(ClientContext* context, CompletionQueue* cq, |
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void* tag) GRPC_OVERRIDE { |
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return nullptr; |
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} |
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ClientAsyncResponseReaderInterface<EchoResponse>* AsyncUnimplementedRaw( |
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ClientContext* context, const EchoRequest& request, |
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CompletionQueue* cq) GRPC_OVERRIDE { |
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return nullptr; |
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} |
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}; |
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class FakeClient { |
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public: |
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explicit FakeClient(TestService::StubInterface* stub) : stub_(stub) {} |
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void DoEcho() { |
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ClientContext context; |
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EchoRequest request; |
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EchoResponse response; |
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request.set_message("hello world"); |
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Status s = stub_->Echo(&context, request, &response); |
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EXPECT_EQ(request.message(), response.message()); |
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EXPECT_TRUE(s.ok()); |
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} |
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void DoBidiStream() { |
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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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std::unique_ptr<ClientReaderWriterInterface<EchoRequest, EchoResponse>> |
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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.ok()); |
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} |
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void ResetStub(TestService::StubInterface* stub) { stub_ = stub; } |
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private: |
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TestService::StubInterface* stub_; |
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}; |
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class TestServiceImpl : public 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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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 MockTest : public ::testing::Test { |
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protected: |
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MockTest() : 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.AddListeningPort(server_address_.str(), |
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InsecureServerCredentials()); |
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builder.RegisterService(&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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DynamicThreadPool thread_pool_; |
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}; |
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// Do one real rpc and one mocked one |
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TEST_F(MockTest, SimpleRpc) { |
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ResetStub(); |
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FakeClient client(stub_.get()); |
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client.DoEcho(); |
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MockStub stub; |
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client.ResetStub(&stub); |
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client.DoEcho(); |
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} |
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TEST_F(MockTest, BidiStream) { |
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ResetStub(); |
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FakeClient client(stub_.get()); |
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client.DoBidiStream(); |
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MockStub stub; |
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client.ResetStub(&stub); |
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client.DoBidiStream(); |
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} |
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} // namespace |
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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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::testing::InitGoogleTest(&argc, argv); |
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return RUN_ALL_TESTS(); |
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}
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