/*
* Copyright (c) 2008-2013, 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.client.executor;
import com.hazelcast.client.HazelcastClient;
import com.hazelcast.client.executor.tasks.CancellationAwareTask;
import com.hazelcast.client.executor.tasks.FailingCallable;
import com.hazelcast.client.executor.tasks.MapPutRunnable;
import com.hazelcast.client.executor.tasks.SelectNoMembers;
import com.hazelcast.core.ExecutionCallback;
import com.hazelcast.core.Hazelcast;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IExecutorService;
import com.hazelcast.core.MemberSelector;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.annotation.QuickTest;
import java.util.concurrent.CancellationException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import static com.hazelcast.test.HazelcastTestSupport.assertTrueEventually;
import static com.hazelcast.test.HazelcastTestSupport.randomString;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
@RunWith(HazelcastParallelClassRunner.class)
@Category(QuickTest.class)
public class ClientExecutorServiceTest {
private static HazelcastInstance client;
@BeforeClass
public static void beforeClass() {
Hazelcast.newHazelcastInstance();
Hazelcast.newHazelcastInstance();
Hazelcast.newHazelcastInstance();
client = HazelcastClient.newHazelcastClient();
}
@AfterClass
public static void afterClass() {
HazelcastClient.shutdownAll();
Hazelcast.shutdownAll();
}
@Test(expected = UnsupportedOperationException.class)
public void testGetLocalExecutorStats() throws Throwable {
IExecutorService service = client.getExecutorService(randomString());
service.getLocalExecutorStats();
}
@Test
public void testIsTerminated() throws InterruptedException, ExecutionException, TimeoutException {
IExecutorService service = client.getExecutorService(randomString());
assertFalse(service.isTerminated());
}
@Test
public void testIsShutdown() throws InterruptedException, ExecutionException, TimeoutException {
IExecutorService service = client.getExecutorService(randomString());
assertFalse(service.isShutdown());
}
@Test
public void testShutdownNow() throws InterruptedException, ExecutionException, TimeoutException {
final IExecutorService service = client.getExecutorService(randomString());
service.shutdownNow();
assertTrueEventually(new AssertTask() {
public void run() throws Exception {
assertTrue(service.isShutdown());
}
});
}
@Test
public void testShutdownMultipleTimes() throws InterruptedException, ExecutionException, TimeoutException {
final IExecutorService service = client.getExecutorService(randomString());
service.shutdownNow();
service.shutdown();
assertTrueEventually(new AssertTask() {
public void run() throws Exception {
assertTrue(service.isShutdown());
}
});
}
@Test(expected = TimeoutException.class)
public void testCancellationAwareTask_whenTimeOut() throws InterruptedException, ExecutionException, TimeoutException {
IExecutorService service = client.getExecutorService(randomString());
CancellationAwareTask task = new CancellationAwareTask(5000);
Future future = service.submit(task);
future.get(1, TimeUnit.SECONDS);
}
@Test
public void testFutureAfterCancellationAwareTaskTimeOut() throws InterruptedException, ExecutionException, TimeoutException {
IExecutorService service = client.getExecutorService(randomString());
CancellationAwareTask task = new CancellationAwareTask(5000);
Future future = service.submit(task);
try {
future.get(1, TimeUnit.SECONDS);
} catch (TimeoutException ignored) {
}
assertFalse(future.isDone());
assertFalse(future.isCancelled());
}
@Test
public void testCancelFutureAfterCancellationAwareTaskTimeOut() throws InterruptedException, ExecutionException, TimeoutException {
IExecutorService service = client.getExecutorService(randomString());
CancellationAwareTask task = new CancellationAwareTask(5000);
Future future = service.submit(task);
try {
future.get(1, TimeUnit.SECONDS);
} catch (TimeoutException ignored) {
}
assertTrue(future.cancel(true));
assertTrue(future.isCancelled());
assertTrue(future.isDone());
}
@Test(expected = CancellationException.class)
public void testGetFutureAfterCancel() throws InterruptedException, ExecutionException, TimeoutException {
IExecutorService service = client.getExecutorService(randomString());
CancellationAwareTask task = new CancellationAwareTask(5000);
Future future = service.submit(task);
try {
future.get(1, TimeUnit.SECONDS);
} catch (TimeoutException ignored) {
}
future.cancel(true);
future.get();
}
@Test(expected = ExecutionException.class)
public void testSubmitFailingCallableException() throws ExecutionException, InterruptedException {
IExecutorService service = client.getExecutorService(randomString());
Future<String> failingFuture = service.submit(new FailingCallable());
failingFuture.get();
}
@Test
public void testSubmitFailingCallableException_withExecutionCallback() throws ExecutionException, InterruptedException {
IExecutorService service = client.getExecutorService(randomString());
final CountDownLatch latch = new CountDownLatch(1);
service.submit(new FailingCallable(), new ExecutionCallback<String>() {
@Override
public void onResponse(String response) {
}
@Override
public void onFailure(Throwable t) {
latch.countDown();
}
});
assertTrue(latch.await(10, TimeUnit.SECONDS));
}
@Test(expected = IllegalStateException.class)
public void testSubmitFailingCallableReasonExceptionCause() throws Throwable {
IExecutorService service = client.getExecutorService(randomString());
Future<String> failingFuture = service.submit(new FailingCallable());
try {
failingFuture.get();
} catch (ExecutionException e) {
throw e.getCause();
}
}
@Test(expected = RejectedExecutionException.class)
public void testExecute_withNoMemberSelected() {
IExecutorService service = client.getExecutorService(randomString());
String mapName = randomString();
MemberSelector selector = new SelectNoMembers();
service.execute(new MapPutRunnable(mapName), selector);
}
}