| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "hdfspp/ioservice.h" |
| |
| #include <future> |
| #include <functional> |
| #include <thread> |
| #include <string> |
| |
| |
| #include <google/protobuf/stubs/common.h> |
| #include <gmock/gmock.h> |
| |
| using ::testing::_; |
| using ::testing::InvokeArgument; |
| using ::testing::Return; |
| |
| using namespace hdfs; |
| |
| // Make sure IoService spins up specified number of threads |
| TEST(IoServiceTest, InitThreads) { |
| #ifndef DISABLE_CONCURRENT_WORKERS |
| std::shared_ptr<IoService> service = IoService::MakeShared(); |
| EXPECT_NE(service, nullptr); |
| |
| unsigned int thread_count = 4; |
| unsigned int result_thread_count = service->InitWorkers(thread_count); |
| EXPECT_EQ(thread_count, result_thread_count); |
| |
| service->Stop(); |
| #else |
| #pragma message("DISABLE_CONCURRENT_WORKERS is defined so hdfs_ioservice_test will compile out the InitThreads test") |
| #endif |
| } |
| |
| // Make sure IoService defaults to logical thread count |
| TEST(IoServiceTest, InitDefaultThreads) { |
| #ifndef DISABLE_CONCURRENT_WORKERS |
| std::shared_ptr<IoService> service = IoService::MakeShared(); |
| EXPECT_NE(service, nullptr); |
| |
| unsigned int thread_count = std::thread::hardware_concurrency(); |
| unsigned int result_thread_count = service->InitDefaultWorkers(); |
| EXPECT_EQ(thread_count, result_thread_count); |
| |
| service->Stop(); |
| #else |
| #pragma message("DISABLE_CONCURRENT_WORKERS is defined so hdfs_ioservice_test will compile out the InitDefaultThreads test") |
| #endif |
| } |
| |
| |
| // Check IoService::PostTask |
| TEST(IoServiceTest, SimplePost) { |
| std::shared_ptr<IoService> service = IoService::MakeShared(); |
| EXPECT_NE(service, nullptr); |
| |
| unsigned int thread_count = std::thread::hardware_concurrency(); |
| unsigned int result_thread_count = service->InitDefaultWorkers(); |
| #ifndef DISABLE_CONCURRENT_WORKERS |
| EXPECT_EQ(thread_count, result_thread_count); |
| #else |
| (void)thread_count; |
| (void)result_thread_count; |
| #endif |
| // Like with the C synchronous shims a promise/future is needed to block until the async call completes. |
| auto promise = std::make_shared<std::promise<std::string>>(); |
| std::future<std::string> future = promise->get_future(); |
| |
| // this will get invoked on a worker thread |
| std::function<void()> example_callback = [promise](){ |
| promise->set_value("hello from IoService"); |
| }; |
| service->PostTask(example_callback); |
| |
| // block until worker thread finishes |
| std::string result = future.get(); |
| EXPECT_EQ(result, "hello from IoService"); |
| |
| service->Stop(); |
| |
| } |
| |
| int main(int argc, char *argv[]) { |
| // The following line must be executed to initialize Google Mock |
| // (and Google Test) before running the tests. |
| ::testing::InitGoogleMock(&argc, argv); |
| int exit_code = RUN_ALL_TESTS(); |
| google::protobuf::ShutdownProtobufLibrary(); |
| return exit_code; |
| } |