/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* 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.hazelcast.scheduledexecutor;
import com.hazelcast.scheduledexecutor.impl.DelegatingScheduledFutureStripper;
import com.hazelcast.spi.impl.executionservice.impl.DelegatingTaskScheduler;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
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 static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class DelegatingScheduledFutureStripperTest {
ScheduledExecutorService scheduler;
ExecutorService executor;
DelegatingTaskScheduler taskScheduler;
@Before
public void setup() {
executor = Executors.newSingleThreadExecutor();
scheduler = Executors.newSingleThreadScheduledExecutor();
taskScheduler = new DelegatingTaskScheduler(scheduler, executor);
}
@After
public void teardown()
throws InterruptedException {
scheduler.shutdownNow();
scheduler.awaitTermination(10, TimeUnit.SECONDS);
}
@Test(expected = NullPointerException.class)
public void constructWithNull() {
new DelegatingScheduledFutureStripper(null);
}
@Test(expected = UnsupportedOperationException.class)
public void compareTo() {
ScheduledFuture<Integer> future = new DelegatingScheduledFutureStripper<Integer>(
scheduler.schedule(new SimpleCallableTestTask(), 0, TimeUnit.SECONDS));
future.compareTo(null);
}
@Test
public void getDelay() {
ScheduledFuture<Integer> future = new DelegatingScheduledFutureStripper<Integer>(
scheduler.schedule(new SimpleCallableTestTask(), 0, TimeUnit.SECONDS));
assertEquals(0, future.getDelay(TimeUnit.SECONDS));
future = new DelegatingScheduledFutureStripper<Integer>(
scheduler.schedule(new SimpleCallableTestTask(), 10, TimeUnit.SECONDS));
assertEquals(10, future.getDelay(TimeUnit.SECONDS), 1);
}
@Test
public void cancel()
throws ExecutionException, InterruptedException {
ScheduledFuture outter = mock(ScheduledFuture.class);
ScheduledFuture inner = mock(ScheduledFuture.class);
when(outter.get()).thenReturn(inner);
new DelegatingScheduledFutureStripper(outter).cancel(true);
verify(inner).cancel(eq(true));
}
@Test
public void cancel_twice()
throws ExecutionException, InterruptedException, TimeoutException {
ScheduledFuture original = taskScheduler.schedule(new SimpleCallableTestTask(), 10, TimeUnit.SECONDS);
ScheduledFuture stripper = new DelegatingScheduledFutureStripper(original);
stripper.cancel(true);
stripper.cancel(true);
}
@Test
public void isDone()
throws ExecutionException, InterruptedException {
ScheduledFuture outter = mock(ScheduledFuture.class);
ScheduledFuture inner = mock(ScheduledFuture.class);
when(outter.get()).thenReturn(inner);
when(outter.isDone()).thenReturn(true);
when(inner.isDone()).thenReturn(false);
assertFalse(new DelegatingScheduledFutureStripper(outter).isDone());
when(outter.isDone()).thenReturn(true);
when(inner.isDone()).thenReturn(true);
assertTrue(new DelegatingScheduledFutureStripper(outter).isDone());
}
@Test
public void isCancelled()
throws ExecutionException, InterruptedException {
ScheduledFuture outter = mock(ScheduledFuture.class);
ScheduledFuture inner = mock(ScheduledFuture.class);
when(outter.get()).thenReturn(inner);
when(outter.isCancelled()).thenReturn(false);
when(inner.isCancelled()).thenReturn(false);
assertFalse(new DelegatingScheduledFutureStripper(outter).isCancelled());
when(outter.isCancelled()).thenReturn(true);
when(inner.isCancelled()).thenReturn(false);
assertTrue(new DelegatingScheduledFutureStripper(outter).isCancelled());
when(outter.isCancelled()).thenReturn(false);
when(inner.isCancelled()).thenReturn(true);
assertTrue(new DelegatingScheduledFutureStripper(outter).isCancelled());
}
@Test
public void get()
throws ExecutionException, InterruptedException {
ScheduledFuture original = taskScheduler.schedule(new SimpleCallableTestTask(), 0, TimeUnit.SECONDS);
ScheduledFuture stripper = new DelegatingScheduledFutureStripper(original);
assertTrue(original.get() instanceof Future);
assertEquals(5, stripper.get());
}
@Test(expected = InterruptedException.class)
public void get_interrupted()
throws ExecutionException, InterruptedException {
ScheduledFuture outter = mock(ScheduledFuture.class);
ScheduledFuture inner = mock(ScheduledFuture.class);
when(outter.get()).thenThrow(new InterruptedException());
when(inner.get()).thenReturn(2);
new DelegatingScheduledFutureStripper(outter).get();
}
@Test(expected = ExecutionException.class)
public void get_executionExc()
throws ExecutionException, InterruptedException {
ScheduledFuture outter = mock(ScheduledFuture.class);
ScheduledFuture inner = mock(ScheduledFuture.class);
when(outter.get()).thenThrow(new ExecutionException(new NullPointerException()));
when(inner.get()).thenReturn(2);
new DelegatingScheduledFutureStripper(outter).get();
}
@Test(expected = UnsupportedOperationException.class)
public void get_unsupported()
throws ExecutionException, InterruptedException, TimeoutException {
ScheduledFuture future = scheduler.schedule(new SimpleCallableTestTask(), 0, TimeUnit.SECONDS);
new DelegatingScheduledFutureStripper(future).get(1, TimeUnit.SECONDS);
}
@Test
public void equals() {
ScheduledFuture original = taskScheduler.schedule(new SimpleCallableTestTask(), 0, TimeUnit.SECONDS);
ScheduledFuture joker = taskScheduler.schedule(new SimpleCallableTestTask(), 1, TimeUnit.SECONDS);
ScheduledFuture testA = new DelegatingScheduledFutureStripper(original);
ScheduledFuture testB = new DelegatingScheduledFutureStripper(original);
ScheduledFuture testC = new DelegatingScheduledFutureStripper(joker);
assertTrue(testA.equals(testA));
assertTrue(testA.equals(testB));
assertFalse(testA.equals(null));
assertFalse(testA.equals(testC));
}
private static class SimpleCallableTestTask
implements Callable<Integer> {
@Override
public Integer call()
throws Exception {
return 5;
}
}
private static class SimpleRunnableTestTask
implements Runnable {
@Override
public void run() {
}
}
}