| /* |
| * 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. |
| */ |
| package org.apache.geode.internal.cache.control; |
| |
| import static java.util.concurrent.TimeUnit.SECONDS; |
| import static org.apache.geode.test.awaitility.GeodeAwaitility.await; |
| import static org.apache.geode.test.awaitility.GeodeAwaitility.getTimeout; |
| import static org.assertj.core.api.Assertions.assertThat; |
| import static org.assertj.core.api.Assertions.catchThrowable; |
| import static org.mockito.ArgumentMatchers.any; |
| import static org.mockito.ArgumentMatchers.anyString; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| import java.util.concurrent.CancellationException; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| |
| import org.apache.geode.Statistics; |
| import org.apache.geode.distributed.DistributedSystem; |
| import org.apache.geode.internal.cache.InternalCache; |
| |
| public class InternalResourceManagerTest { |
| |
| private final CountDownLatch hangLatch = new CountDownLatch(1); |
| private InternalResourceManager resourceManager; |
| private CountDownLatch numberOfStartupTasksRemaining; |
| |
| @Rule |
| public ExpectedException thrown = ExpectedException.none(); |
| |
| @Before |
| public void setup() { |
| InternalCache cache = mock(InternalCache.class); |
| DistributedSystem distributedSystem = mock(DistributedSystem.class); |
| |
| when(cache.getDistributedSystem()).thenReturn(distributedSystem); |
| when(distributedSystem.createAtomicStatistics(any(), anyString())) |
| .thenReturn(mock(Statistics.class)); |
| |
| resourceManager = InternalResourceManager.createResourceManager(cache); |
| numberOfStartupTasksRemaining = new CountDownLatch(1); |
| } |
| |
| @After |
| public void tearDown() { |
| hangLatch.countDown(); |
| resourceManager.close(); |
| } |
| |
| @Test |
| public void closeDoesNotHangWaitingForExecutorTasks() { |
| ScheduledExecutorService executor = resourceManager.getExecutor(); |
| |
| Future<Boolean> submittedTask = |
| executor.submit(() -> hangLatch.await(getTimeout().getValue(), SECONDS)); |
| |
| resourceManager.close(); |
| |
| await("Submitted task is done") |
| .until(() -> submittedTask.isDone()); |
| } |
| |
| @Test |
| public void nonExecutedRunnablesShouldBeInterruptedSoFutureGetDoesNotHang() |
| throws InterruptedException, ExecutionException { |
| ScheduledExecutorService executor = resourceManager.getExecutor(); |
| |
| Future<Boolean> submittedTask = |
| executor.schedule(() -> { |
| return true; |
| }, 1, TimeUnit.DAYS); |
| |
| resourceManager.close(); |
| |
| thrown.expect(CancellationException.class); |
| submittedTask.get(); |
| } |
| |
| @Test |
| public void addStartupTaskThrowsIfStartupTaskIsNull() { |
| Throwable thrown = catchThrowable(() -> resourceManager.addStartupTask(null)); |
| |
| assertThat(thrown).isInstanceOf(NullPointerException.class); |
| } |
| |
| @Test |
| public void allOfStartupTasksIsDoneIfZeroStartupTasks() { |
| CompletableFuture<Void> withoutStartupTasks = resourceManager.allOfStartupTasks(); |
| |
| assertThat(withoutStartupTasks).isDone(); |
| } |
| |
| @Test |
| public void allOfStartupTasksIsDoneAfterOneStartupTaskCompletes() { |
| resourceManager.addStartupTask(CompletableFuture.completedFuture(null)); |
| |
| CompletableFuture<Void> withOneStartupTask = resourceManager.allOfStartupTasks(); |
| |
| assertThat(withOneStartupTask).isDone(); |
| } |
| |
| @Test |
| public void allOfStartupTasksIsNotDoneIfOnlyStartupTaskIsNotComplete() { |
| resourceManager.addStartupTask(new CompletableFuture<>()); |
| |
| CompletableFuture<Void> withOneStartupTask = resourceManager.allOfStartupTasks(); |
| |
| assertThat(withOneStartupTask).isNotDone(); |
| } |
| |
| @Test |
| public void allOfStartupTasksIsDoneAfterManyStartupTasksComplete() { |
| resourceManager.addStartupTask(CompletableFuture.completedFuture(null)); |
| resourceManager.addStartupTask(CompletableFuture.completedFuture(null)); |
| |
| CompletableFuture<Void> withManyStartupTasks = resourceManager.allOfStartupTasks(); |
| |
| assertThat(withManyStartupTasks).isDone(); |
| } |
| |
| @Test |
| public void allOfStartupTasksIsNotDoneIfAnyStartupTaskIsNotComplete() { |
| resourceManager.addStartupTask(CompletableFuture.completedFuture(null)); |
| resourceManager.addStartupTask(new CompletableFuture<>()); |
| |
| CompletableFuture<Void> withManyStartupTasks = resourceManager.allOfStartupTasks(); |
| |
| assertThat(withManyStartupTasks).isNotDone(); |
| } |
| |
| @Test |
| public void allOfStartupTasksClearsAddedStartupTasks() { |
| resourceManager.addStartupTask(new CompletableFuture<>()); |
| |
| // Clears the startup tasks |
| resourceManager.allOfStartupTasks(); |
| |
| CompletableFuture<Void> withoutStartupTasks = resourceManager.allOfStartupTasks(); |
| |
| assertThat(withoutStartupTasks).isDone(); |
| } |
| |
| @Test |
| public void allOfStartupTasksIsCompletedExceptionallyIfFirstStartupTaskThrows() { |
| CompletableFuture<Void> completesExceptionally = new CompletableFuture<>(); |
| completesExceptionally.completeExceptionally(new RuntimeException()); |
| |
| resourceManager.addStartupTask(completesExceptionally); |
| resourceManager.addStartupTask(CompletableFuture.completedFuture(null)); |
| |
| CompletableFuture<Void> withManyStartupTasks = resourceManager.allOfStartupTasks(); |
| |
| assertThat(withManyStartupTasks).isCompletedExceptionally(); |
| } |
| |
| @Test |
| public void allOfStartupTasksIsCompletedExceptionallyIfLastStartupTaskThrows() { |
| CompletableFuture<Void> completesExceptionally = new CompletableFuture<>(); |
| completesExceptionally.completeExceptionally(new RuntimeException()); |
| |
| resourceManager.addStartupTask(CompletableFuture.completedFuture(null)); |
| resourceManager.addStartupTask(completesExceptionally); |
| |
| CompletableFuture<Void> withManyStartupTasks = resourceManager.allOfStartupTasks(); |
| |
| assertThat(withManyStartupTasks).isCompletedExceptionally(); |
| } |
| } |