| /* |
| * Copyright (C) 2013 The Guava Authors |
| * |
| * Licensed 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 com.google.common.util.concurrent; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.ScheduledFuture; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| import junit.framework.TestCase; |
| |
| /** |
| * Test for {@link WrappingScheduledExecutorService} |
| * |
| * @author Luke Sandberg |
| */ |
| public class WrappingScheduledExecutorServiceTest extends TestCase { |
| private static final Runnable DO_NOTHING = |
| new Runnable() { |
| @Override |
| public void run() {} |
| }; |
| |
| public void testSchedule() { |
| MockExecutor mock = new MockExecutor(); |
| TestExecutor testExecutor = new TestExecutor(mock); |
| |
| @SuppressWarnings("unused") // go/futurereturn-lsc |
| Future<?> possiblyIgnoredError = testExecutor.schedule(DO_NOTHING, 10, TimeUnit.MINUTES); |
| mock.assertLastMethodCalled("scheduleRunnable", 10, TimeUnit.MINUTES); |
| |
| @SuppressWarnings("unused") // go/futurereturn-lsc |
| Future<?> possiblyIgnoredError1 = |
| testExecutor.schedule(Executors.callable(DO_NOTHING), 5, TimeUnit.SECONDS); |
| mock.assertLastMethodCalled("scheduleCallable", 5, TimeUnit.SECONDS); |
| } |
| |
| public void testSchedule_repeating() { |
| MockExecutor mock = new MockExecutor(); |
| TestExecutor testExecutor = new TestExecutor(mock); |
| @SuppressWarnings("unused") // go/futurereturn-lsc |
| Future<?> possiblyIgnoredError = |
| testExecutor.scheduleWithFixedDelay(DO_NOTHING, 100, 10, TimeUnit.MINUTES); |
| mock.assertLastMethodCalled("scheduleWithFixedDelay", 100, 10, TimeUnit.MINUTES); |
| |
| @SuppressWarnings("unused") // go/futurereturn-lsc |
| Future<?> possiblyIgnoredError1 = |
| testExecutor.scheduleAtFixedRate(DO_NOTHING, 3, 7, TimeUnit.SECONDS); |
| mock.assertLastMethodCalled("scheduleAtFixedRate", 3, 7, TimeUnit.SECONDS); |
| } |
| |
| private static final class WrappedCallable<T> implements Callable<T> { |
| private final Callable<T> delegate; |
| |
| public WrappedCallable(Callable<T> delegate) { |
| this.delegate = delegate; |
| } |
| |
| @Override |
| public T call() throws Exception { |
| return delegate.call(); |
| } |
| } |
| |
| private static final class WrappedRunnable implements Runnable { |
| private final Runnable delegate; |
| |
| public WrappedRunnable(Runnable delegate) { |
| this.delegate = delegate; |
| } |
| |
| @Override |
| public void run() { |
| delegate.run(); |
| } |
| } |
| |
| private static final class TestExecutor extends WrappingScheduledExecutorService { |
| public TestExecutor(MockExecutor mock) { |
| super(mock); |
| } |
| |
| @Override |
| protected <T> Callable<T> wrapTask(Callable<T> callable) { |
| return new WrappedCallable<T>(callable); |
| } |
| |
| @Override |
| protected Runnable wrapTask(Runnable command) { |
| return new WrappedRunnable(command); |
| } |
| } |
| |
| private static final class MockExecutor implements ScheduledExecutorService { |
| String lastMethodCalled = ""; |
| long lastInitialDelay; |
| long lastDelay; |
| TimeUnit lastUnit; |
| |
| void assertLastMethodCalled(String method, long delay, TimeUnit unit) { |
| assertEquals(method, lastMethodCalled); |
| assertEquals(delay, lastDelay); |
| assertEquals(unit, lastUnit); |
| } |
| |
| void assertLastMethodCalled(String method, long initialDelay, long delay, TimeUnit unit) { |
| assertEquals(method, lastMethodCalled); |
| assertEquals(initialDelay, lastInitialDelay); |
| assertEquals(delay, lastDelay); |
| assertEquals(unit, lastUnit); |
| } |
| |
| @Override |
| public ScheduledFuture<?> schedule(Runnable command, long delay, TimeUnit unit) { |
| assertThat(command).isInstanceOf(WrappedRunnable.class); |
| lastMethodCalled = "scheduleRunnable"; |
| lastDelay = delay; |
| lastUnit = unit; |
| return null; |
| } |
| |
| @Override |
| public <V> ScheduledFuture<V> schedule(Callable<V> callable, long delay, TimeUnit unit) { |
| assertThat(callable).isInstanceOf(WrappedCallable.class); |
| lastMethodCalled = "scheduleCallable"; |
| lastDelay = delay; |
| lastUnit = unit; |
| return null; |
| } |
| |
| @Override |
| public ScheduledFuture<?> scheduleAtFixedRate( |
| Runnable command, long initialDelay, long period, TimeUnit unit) { |
| assertThat(command).isInstanceOf(WrappedRunnable.class); |
| lastMethodCalled = "scheduleAtFixedRate"; |
| lastInitialDelay = initialDelay; |
| lastDelay = period; |
| lastUnit = unit; |
| return null; |
| } |
| |
| @Override |
| public ScheduledFuture<?> scheduleWithFixedDelay( |
| Runnable command, long initialDelay, long delay, TimeUnit unit) { |
| assertThat(command).isInstanceOf(WrappedRunnable.class); |
| lastMethodCalled = "scheduleWithFixedDelay"; |
| lastInitialDelay = initialDelay; |
| lastDelay = delay; |
| lastUnit = unit; |
| return null; |
| } |
| |
| // No need to test these methods as they are handled by WrappingExecutorServiceTest |
| @Override |
| public boolean awaitTermination(long timeout, TimeUnit unit) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> tasks) |
| throws InterruptedException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public <T> List<Future<T>> invokeAll( |
| Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit) |
| throws InterruptedException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public <T> T invokeAny(Collection<? extends Callable<T>> tasks) |
| throws ExecutionException, InterruptedException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public <T> T invokeAny(Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit) |
| throws ExecutionException, InterruptedException, TimeoutException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public boolean isShutdown() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public boolean isTerminated() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void shutdown() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public List<Runnable> shutdownNow() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public <T> Future<T> submit(Callable<T> task) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public Future<?> submit(Runnable task) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public <T> Future<T> submit(Runnable task, T result) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void execute(Runnable command) { |
| throw new UnsupportedOperationException(); |
| } |
| } |
| } |