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authorGravatar Craig Tiller <ctiller@google.com>2015-05-08 08:37:41 -0700
committerGravatar Craig Tiller <ctiller@google.com>2015-05-08 08:37:41 -0700
commit2be6095c10353fbcdfbdec50e269775c1a42641d (patch)
treead2b3b6850265c8f94dfb560fa4c93b27d8906e2 /test/cpp/end2end
parent41af13e6c12d7b7538998df8b7a8ee6aaf6ae0c7 (diff)
parente1b5f9b2b236da5ef9ab55f4182c498e710a0e42 (diff)
Merge github.com:grpc/grpc into churn-churn-churn-the-api-gently-down-the-stream
Diffstat (limited to 'test/cpp/end2end')
-rw-r--r--test/cpp/end2end/mock_test.cc291
1 files changed, 291 insertions, 0 deletions
diff --git a/test/cpp/end2end/mock_test.cc b/test/cpp/end2end/mock_test.cc
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+++ b/test/cpp/end2end/mock_test.cc
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+/*
+ *
+ * Copyright 2015, 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 "test/core/util/port.h"
+#include "test/core/util/test_config.h"
+#include "test/cpp/util/echo_duplicate.grpc.pb.h"
+#include "test/cpp/util/echo.grpc.pb.h"
+#include "src/cpp/server/thread_pool.h"
+#include <grpc++/channel_arguments.h>
+#include <grpc++/channel_interface.h>
+#include <grpc++/client_context.h>
+#include <grpc++/create_channel.h>
+#include <grpc++/credentials.h>
+#include <grpc++/server.h>
+#include <grpc++/server_builder.h>
+#include <grpc++/server_context.h>
+#include <grpc++/server_credentials.h>
+#include <grpc++/status.h>
+#include <grpc++/stream.h>
+#include <grpc++/time.h>
+#include <gtest/gtest.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/time.h>
+
+using grpc::cpp::test::util::EchoRequest;
+using grpc::cpp::test::util::EchoResponse;
+using grpc::cpp::test::util::TestService;
+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() {}
+ 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() {}
+ bool Read(EchoResponse* msg) GRPC_OVERRIDE {
+ if (writes_done_) return false;
+ msg->set_message(last_message_);
+ return true;
+ }
+ bool Write(const EchoRequest& msg) 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 TestService::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,
+ void* tag) 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,
+ void* tag) GRPC_OVERRIDE {
+ return nullptr;
+ }
+};
+
+class FakeClient {
+ public:
+ explicit FakeClient(TestService::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.IsOk());
+ }
+
+ 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.IsOk());
+ }
+
+ void ResetStub(TestService::StubInterface* stub) { stub_ = stub; }
+
+ private:
+ TestService::StubInterface* stub_;
+};
+
+class TestServiceImpl : public TestService::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() : thread_pool_(2) {}
+
+ 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_);
+ builder.SetThreadPool(&thread_pool_);
+ server_ = builder.BuildAndStart();
+ }
+
+ void TearDown() GRPC_OVERRIDE { server_->Shutdown(); }
+
+ void ResetStub() {
+ std::shared_ptr<ChannelInterface> channel = CreateChannel(
+ server_address_.str(), InsecureCredentials(), ChannelArguments());
+ stub_ = std::move(grpc::cpp::test::util::TestService::NewStub(channel));
+ }
+
+ std::unique_ptr<grpc::cpp::test::util::TestService::Stub> stub_;
+ std::unique_ptr<Server> server_;
+ std::ostringstream server_address_;
+ TestServiceImpl service_;
+ ThreadPool thread_pool_;
+};
+
+// 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();
+}