| /* |
| * |
| * Copyright 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 <grpc++/channel.h> |
| #include <grpc++/client_context.h> |
| #include <grpc++/create_channel.h> |
| #include <grpc++/impl/server_builder_option.h> |
| #include <grpc++/impl/server_builder_plugin.h> |
| #include <grpc++/impl/server_initializer.h> |
| #include <grpc++/security/credentials.h> |
| #include <grpc++/security/server_credentials.h> |
| #include <grpc++/server.h> |
| #include <grpc++/server_builder.h> |
| #include <grpc++/server_context.h> |
| #include <grpc/grpc.h> |
| #include <gtest/gtest.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/end2end/test_service_impl.h" |
| |
| #define PLUGIN_NAME "TestServerBuilderPlugin" |
| |
| namespace grpc { |
| namespace testing { |
| |
| class TestServerBuilderPlugin : public ServerBuilderPlugin { |
| public: |
| TestServerBuilderPlugin() : service_(new TestServiceImpl()) { |
| init_server_is_called_ = false; |
| finish_is_called_ = false; |
| change_arguments_is_called_ = false; |
| } |
| |
| grpc::string name() GRPC_OVERRIDE { return PLUGIN_NAME; } |
| |
| void InitServer(ServerInitializer* si) GRPC_OVERRIDE { |
| init_server_is_called_ = true; |
| if (register_service_) { |
| si->RegisterService(service_); |
| } |
| } |
| |
| void Finish(ServerInitializer* si) GRPC_OVERRIDE { finish_is_called_ = true; } |
| |
| void ChangeArguments(const grpc::string& name, void* value) GRPC_OVERRIDE { |
| change_arguments_is_called_ = true; |
| } |
| |
| bool has_async_methods() const GRPC_OVERRIDE { |
| if (register_service_) { |
| return service_->has_async_methods(); |
| } |
| return false; |
| } |
| |
| bool has_sync_methods() const GRPC_OVERRIDE { |
| if (register_service_) { |
| return service_->has_synchronous_methods(); |
| } |
| return false; |
| } |
| |
| void SetRegisterService() { register_service_ = true; } |
| |
| bool init_server_is_called() { return init_server_is_called_; } |
| bool finish_is_called() { return finish_is_called_; } |
| bool change_arguments_is_called() { return change_arguments_is_called_; } |
| |
| private: |
| bool init_server_is_called_; |
| bool finish_is_called_; |
| bool change_arguments_is_called_; |
| bool register_service_; |
| std::shared_ptr<TestServiceImpl> service_; |
| }; |
| |
| class InsertPluginServerBuilderOption : public ServerBuilderOption { |
| public: |
| InsertPluginServerBuilderOption() { register_service_ = false; } |
| |
| void UpdateArguments(ChannelArguments* arg) GRPC_OVERRIDE {} |
| |
| void UpdatePlugins( |
| std::map<grpc::string, std::unique_ptr<ServerBuilderPlugin>>* plugins) |
| GRPC_OVERRIDE { |
| plugins->clear(); |
| |
| std::unique_ptr<TestServerBuilderPlugin> plugin( |
| new TestServerBuilderPlugin()); |
| if (register_service_) plugin->SetRegisterService(); |
| (*plugins)[plugin->name()] = std::move(plugin); |
| } |
| |
| void SetRegisterService() { register_service_ = true; } |
| |
| private: |
| bool register_service_; |
| }; |
| |
| std::unique_ptr<ServerBuilderPlugin> CreateTestServerBuilderPlugin() { |
| return std::unique_ptr<ServerBuilderPlugin>(new TestServerBuilderPlugin()); |
| } |
| |
| void AddTestServerBuilderPlugin() { |
| static bool already_here = false; |
| if (already_here) return; |
| already_here = true; |
| ::grpc::ServerBuilder::InternalAddPluginFactory( |
| &CreateTestServerBuilderPlugin); |
| } |
| |
| // Force AddServerBuilderPlugin() to be called at static initialization time. |
| struct StaticTestPluginInitializer { |
| StaticTestPluginInitializer() { AddTestServerBuilderPlugin(); } |
| } static_plugin_initializer_test_; |
| |
| // When the param boolean is true, the ServerBuilder plugin will be added at the |
| // time of static initialization. When it's false, the ServerBuilder plugin will |
| // be added using ServerBuilder::SetOption(). |
| class ServerBuilderPluginTest : public ::testing::TestWithParam<bool> { |
| public: |
| ServerBuilderPluginTest() {} |
| |
| void SetUp() GRPC_OVERRIDE { |
| port_ = grpc_pick_unused_port_or_die(); |
| builder_.reset(new ServerBuilder()); |
| } |
| |
| void InsertPlugin() { |
| if (GetParam()) { |
| // Add ServerBuilder plugin in static initialization |
| EXPECT_TRUE(builder_->plugins_[PLUGIN_NAME] != nullptr); |
| } else { |
| // Add ServerBuilder plugin using ServerBuilder::SetOption() |
| builder_->SetOption(std::unique_ptr<ServerBuilderOption>( |
| new InsertPluginServerBuilderOption())); |
| } |
| } |
| |
| void InsertPluginWithTestService() { |
| if (GetParam()) { |
| // Add ServerBuilder plugin in static initialization |
| EXPECT_TRUE(builder_->plugins_[PLUGIN_NAME] != nullptr); |
| auto plugin = static_cast<TestServerBuilderPlugin*>( |
| builder_->plugins_[PLUGIN_NAME].get()); |
| EXPECT_TRUE(plugin != nullptr); |
| plugin->SetRegisterService(); |
| } else { |
| // Add ServerBuilder plugin using ServerBuilder::SetOption() |
| std::unique_ptr<InsertPluginServerBuilderOption> option( |
| new InsertPluginServerBuilderOption()); |
| option->SetRegisterService(); |
| builder_->SetOption(std::move(option)); |
| } |
| } |
| |
| void StartServer() { |
| grpc::string server_address = "localhost:" + to_string(port_); |
| builder_->AddListeningPort(server_address, InsecureServerCredentials()); |
| server_ = builder_->BuildAndStart(); |
| EXPECT_TRUE(builder_->plugins_[PLUGIN_NAME] != nullptr); |
| } |
| |
| void ResetStub() { |
| string target = "dns:localhost:" + to_string(port_); |
| channel_ = CreateChannel(target, InsecureChannelCredentials()); |
| stub_ = grpc::testing::EchoTestService::NewStub(channel_); |
| } |
| |
| void TearDown() GRPC_OVERRIDE { |
| EXPECT_TRUE(builder_->plugins_[PLUGIN_NAME] != nullptr); |
| auto plugin = static_cast<TestServerBuilderPlugin*>( |
| builder_->plugins_[PLUGIN_NAME].get()); |
| EXPECT_TRUE(plugin != nullptr); |
| EXPECT_TRUE(plugin->init_server_is_called()); |
| EXPECT_TRUE(plugin->finish_is_called()); |
| } |
| |
| string to_string(const int number) { |
| std::stringstream strs; |
| strs << number; |
| return strs.str(); |
| } |
| |
| protected: |
| std::shared_ptr<Channel> channel_; |
| std::unique_ptr<ServerBuilder> builder_; |
| std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_; |
| std::unique_ptr<Server> server_; |
| TestServiceImpl service_; |
| int port_; |
| }; |
| |
| TEST_P(ServerBuilderPluginTest, PluginWithoutServiceTest) { |
| InsertPlugin(); |
| StartServer(); |
| } |
| |
| TEST_P(ServerBuilderPluginTest, PluginWithServiceTest) { |
| InsertPluginWithTestService(); |
| StartServer(); |
| ResetStub(); |
| |
| EchoRequest request; |
| EchoResponse response; |
| request.set_message("Hello hello hello hello"); |
| ClientContext context; |
| context.set_compression_algorithm(GRPC_COMPRESS_GZIP); |
| Status s = stub_->Echo(&context, request, &response); |
| EXPECT_EQ(response.message(), request.message()); |
| EXPECT_TRUE(s.ok()); |
| } |
| |
| INSTANTIATE_TEST_CASE_P(ServerBuilderPluginTest, ServerBuilderPluginTest, |
| ::testing::Values(false, true)); |
| |
| } // namespace testing |
| } // namespace grpc |
| |
| int main(int argc, char** argv) { |
| grpc_test_init(argc, argv); |
| ::testing::InitGoogleTest(&argc, argv); |
| return RUN_ALL_TESTS(); |
| } |