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Diffstat (limited to 'test/cpp/util/grpc_tool_test.cc')
| -rw-r--r-- | test/cpp/util/grpc_tool_test.cc | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/test/cpp/util/grpc_tool_test.cc b/test/cpp/util/grpc_tool_test.cc new file mode 100644 index 0000000000..77c3f3fc24 --- /dev/null +++ b/test/cpp/util/grpc_tool_test.cc @@ -0,0 +1,219 @@ +/* + * + * 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 "test/cpp/util/grpc_tool.h" + +#include <sstream> + +#include <grpc++/channel.h> +#include <grpc++/client_context.h> +#include <grpc++/create_channel.h> +#include <grpc++/ext/proto_server_reflection_plugin.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 "src/proto/grpc/testing/echo.pb.h" +#include "test/core/util/port.h" +#include "test/core/util/test_config.h" +#include "test/cpp/util/string_ref_helper.h" + +using grpc::testing::EchoRequest; +using grpc::testing::EchoResponse; + +namespace grpc { +namespace testing { + +class TestServiceImpl : public ::grpc::testing::EchoTestService::Service { + public: + Status Echo(ServerContext* context, const EchoRequest* request, + EchoResponse* response) GRPC_OVERRIDE { + if (!context->client_metadata().empty()) { + for (std::multimap<grpc::string_ref, grpc::string_ref>::const_iterator + iter = context->client_metadata().begin(); + iter != context->client_metadata().end(); ++iter) { + context->AddInitialMetadata(ToString(iter->first), + ToString(iter->second)); + } + } + context->AddTrailingMetadata("trailing_key", "trailing_value"); + response->set_message(request->message()); + return Status::OK; + } +}; + +class GrpcToolTest : public ::testing::Test { + protected: + GrpcToolTest() {} + + 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() { + channel_ = + CreateChannel(server_address_.str(), InsecureChannelCredentials()); + stub_ = grpc::testing::EchoTestService::NewStub(channel_); + } + + std::shared_ptr<Channel> channel_; + std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_; + std::unique_ptr<Server> server_; + std::ostringstream server_address_; + TestServiceImpl service_; + reflection::ProtoServerReflectionPlugin plugin_; +}; + +static bool PrintStream(std::stringstream* ss, const grpc::string& output) { + (*ss) << output << std::endl; + return true; +} + +template <typename T> +static size_t ArraySize(T& a) { + return ((sizeof(a) / sizeof(*(a))) / + static_cast<size_t>(!(sizeof(a) % sizeof(*(a))))); +} + +#define USAGE_REGEX "( grpc_cli .+\n){2,10}" + +TEST_F(GrpcToolTest, NoCommand) { + // Test input "grpc_cli" + std::stringstream output_stream; + const char* argv[] = {"grpc_cli"}; + // Exit with 1, print usage instruction in stderr + EXPECT_EXIT( + GrpcToolMainLib( + ArraySize(argv), argv, + std::bind(PrintStream, &output_stream, std::placeholders::_1)), + ::testing::ExitedWithCode(1), "No command specified\n" USAGE_REGEX); + // No output + EXPECT_TRUE(0 == output_stream.tellp()); +} + +TEST_F(GrpcToolTest, InvalidCommand) { + // Test input "grpc_cli" + std::stringstream output_stream; + const char* argv[] = {"grpc_cli", "abc"}; + // Exit with 1, print usage instruction in stderr + EXPECT_EXIT( + GrpcToolMainLib( + ArraySize(argv), argv, + std::bind(PrintStream, &output_stream, std::placeholders::_1)), + ::testing::ExitedWithCode(1), "Invalid command 'abc'\n" USAGE_REGEX); + // No output + EXPECT_TRUE(0 == output_stream.tellp()); +} + +TEST_F(GrpcToolTest, HelpCommand) { + // Test input "grpc_cli help" + std::stringstream output_stream; + const char* argv[] = {"grpc_cli", "help"}; + // Exit with 1, print usage instruction in stderr + EXPECT_EXIT(GrpcToolMainLib(ArraySize(argv), argv, + std::bind(PrintStream, &output_stream, + std::placeholders::_1)), + ::testing::ExitedWithCode(1), USAGE_REGEX); + // No output + EXPECT_TRUE(0 == output_stream.tellp()); +} + +TEST_F(GrpcToolTest, CallCommand) { + // Test input "grpc_cli call Echo" + std::stringstream output_stream; + grpc::string server_address = server_address_.str(); + const char* argv[] = {"grpc_cli", "call", server_address.c_str(), "Echo", + "message: 'Hello'"}; + + EXPECT_TRUE(0 == GrpcToolMainLib(ArraySize(argv), argv, + std::bind(PrintStream, &output_stream, + std::placeholders::_1))); + // Expected output: "message: \"Hello\"" + EXPECT_TRUE(NULL != + strstr(output_stream.str().c_str(), "message: \"Hello\"")); +} + +TEST_F(GrpcToolTest, TooFewArguments) { + // Test input "grpc_cli call localhost:<port> Echo "message: 'Hello'" + std::stringstream output_stream; + grpc::string server_address = server_address_.str(); + const char* argv[] = {"grpc_cli", "call", "Echo"}; + + // Exit with 1 + EXPECT_EXIT( + GrpcToolMainLib( + ArraySize(argv), argv, + std::bind(PrintStream, &output_stream, std::placeholders::_1)), + ::testing::ExitedWithCode(1), ".*Wrong number of arguments for call.*"); + // No output + EXPECT_TRUE(0 == output_stream.tellp()); +} + +TEST_F(GrpcToolTest, TooManyArguments) { + // Test input "grpc_cli call localhost:<port> Echo Echo "message: 'Hello'" + std::stringstream output_stream; + grpc::string server_address = server_address_.str(); + const char* argv[] = {"grpc_cli", "call", server_address.c_str(), + "Echo", "Echo", "message: 'Hello'"}; + + // Exit with 1 + EXPECT_EXIT( + GrpcToolMainLib( + ArraySize(argv), argv, + std::bind(PrintStream, &output_stream, std::placeholders::_1)), + ::testing::ExitedWithCode(1), ".*Wrong number of arguments for call.*"); + // No output + EXPECT_TRUE(0 == output_stream.tellp()); +} + +} // namespace testing +} // namespace grpc + +int main(int argc, char** argv) { + grpc_test_init(argc, argv); + ::testing::InitGoogleTest(&argc, argv); + ::testing::FLAGS_gtest_death_test_style = "threadsafe"; + return RUN_ALL_TESTS(); +} |