/*
* 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.client.executor.durable;
import com.hazelcast.client.executor.tasks.FailingCallable;
import com.hazelcast.client.test.TestHazelcastFactory;
import com.hazelcast.config.Config;
import com.hazelcast.config.DurableExecutorConfig;
import com.hazelcast.core.ExecutionCallback;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.durableexecutor.DurableExecutorService;
import com.hazelcast.durableexecutor.DurableExecutorServiceFuture;
import com.hazelcast.executor.ExecutorServiceTestSupport.BasicTestCallable;
import com.hazelcast.executor.ExecutorServiceTestSupport.SleepingTask;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.DataSerializable;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import com.hazelcast.util.RootCauseMatcher;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;
import java.io.IOException;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.Callable;
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.atomic.AtomicBoolean;
import static com.hazelcast.test.HazelcastTestSupport.assertOpenEventually;
import static com.hazelcast.test.HazelcastTestSupport.assertTrueEventually;
import static com.hazelcast.test.HazelcastTestSupport.randomString;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class ClientDurableExecutorServiceTest {
private static final String SINGLE_TASK = "singleTask";
private final TestHazelcastFactory hazelcastFactory = new TestHazelcastFactory();
@Rule
public ExpectedException expectedException = ExpectedException.none();
private HazelcastInstance client;
@Before
public void setup() {
Config config = new Config();
DurableExecutorConfig durableExecutorConfig = config.getDurableExecutorConfig(SINGLE_TASK + "*");
durableExecutorConfig.setCapacity(1);
hazelcastFactory.newHazelcastInstance(config);
hazelcastFactory.newHazelcastInstance(config);
hazelcastFactory.newHazelcastInstance(config);
hazelcastFactory.newHazelcastInstance(config);
client = hazelcastFactory.newHazelcastClient();
}
@After
public void tearDown() {
hazelcastFactory.terminateAll();
}
@Test
public void testInvokeAll() throws Exception {
DurableExecutorService service = client.getDurableExecutorService(randomString());
List<BasicTestCallable> callables = Collections.emptyList();
expectedException.expect(UnsupportedOperationException.class);
service.invokeAll(callables);
}
@Test
public void testInvokeAll_WithTimeout() throws Exception {
DurableExecutorService service = client.getDurableExecutorService(randomString());
List<BasicTestCallable> callables = Collections.emptyList();
expectedException.expect(UnsupportedOperationException.class);
service.invokeAll(callables, 1, TimeUnit.SECONDS);
}
@Test
public void testInvokeAny() throws Exception {
DurableExecutorService service = client.getDurableExecutorService(randomString());
List<BasicTestCallable> callables = Collections.emptyList();
expectedException.expect(UnsupportedOperationException.class);
service.invokeAny(callables);
}
@Test
public void testInvokeAny_WithTimeout() throws Exception {
DurableExecutorService service = client.getDurableExecutorService(randomString());
List<BasicTestCallable> callables = Collections.emptyList();
expectedException.expect(UnsupportedOperationException.class);
service.invokeAny(callables, 1, TimeUnit.SECONDS);
}
@Test
public void testAwaitTermination() throws Exception {
DurableExecutorService service = client.getDurableExecutorService(randomString());
assertFalse(service.awaitTermination(1, TimeUnit.SECONDS));
}
@Test
public void test_whenRingBufferIsFull_thenThrowRejectedExecutionException() throws Exception {
String key = randomString();
DurableExecutorService service = client.getDurableExecutorService(SINGLE_TASK + randomString());
service.submitToKeyOwner(new SleepingTask(100), key);
DurableExecutorServiceFuture<String> future = service.submitToKeyOwner(new BasicTestCallable(), key);
expectedException.expect(new RootCauseMatcher(RejectedExecutionException.class));
future.get();
}
@Test
public void test_whenRingBufferIsFull_thenClientDurableExecutorServiceCompletedFutureIsReturned() throws Exception {
final AtomicBoolean onResponse = new AtomicBoolean();
final CountDownLatch onFailureLatch = new CountDownLatch(1);
String key = randomString();
DurableExecutorService service = client.getDurableExecutorService(SINGLE_TASK + randomString());
service.submitToKeyOwner(new SleepingTask(100), key);
DurableExecutorServiceFuture<String> future = service.submitToKeyOwner(new BasicTestCallable(), key);
future.andThen(new ExecutionCallback<String>() {
@Override
public void onResponse(String response) {
onResponse.set(true);
}
@Override
public void onFailure(Throwable t) {
onFailureLatch.countDown();
}
});
try {
future.get(1, TimeUnit.HOURS);
fail("We expected that future.get() throws an ExecutionException!");
} catch (ExecutionException ignored) {
}
// assert TaskId
try {
future.getTaskId();
fail("We expected that future.getTaskId() throws an IllegalStateException!");
} catch (IllegalStateException ignored) {
}
// assert states of ClientDurableExecutorServiceCompletedFuture
assertFalse(future.cancel(false));
assertFalse(future.cancel(true));
assertFalse(future.isCancelled());
assertTrue(future.isDone());
// assert that onFailure() has been called and not onResponse()
onFailureLatch.await();
assertFalse(onResponse.get());
}
public void testFullRingBuffer_WithExecutionCallback() throws InterruptedException {
String key = randomString();
DurableExecutorService service = client.getDurableExecutorService(SINGLE_TASK + randomString());
service.submitToKeyOwner(new SleepingTask(100), key);
DurableExecutorServiceFuture<String> future = service.submitToKeyOwner(new BasicTestCallable(), key);
final CountDownLatch latch = new CountDownLatch(1);
future.andThen(new ExecutionCallback<String>() {
@Override
public void onResponse(String response) {
}
@Override
public void onFailure(Throwable t) {
if (t.getCause() instanceof RejectedExecutionException) {
latch.countDown();
}
}
});
assertOpenEventually(latch);
assertTrue(future.isDone());
assertFalse(future.cancel(true));
assertFalse(future.isCancelled());
}
@Test
public void testIsTerminated() {
DurableExecutorService service = client.getDurableExecutorService(randomString());
assertFalse(service.isTerminated());
}
@Test
public void testIsShutdown() {
DurableExecutorService service = client.getDurableExecutorService(randomString());
assertFalse(service.isShutdown());
}
@Test
public void testShutdownNow() {
final DurableExecutorService service = client.getDurableExecutorService(randomString());
service.shutdownNow();
assertTrueEventually(new AssertTask() {
public void run() throws Exception {
assertTrue(service.isShutdown());
}
});
}
@Test
public void testShutdownMultipleTimes() {
final DurableExecutorService service = client.getDurableExecutorService(randomString());
service.shutdownNow();
service.shutdown();
assertTrueEventually(new AssertTask() {
public void run() throws Exception {
assertTrue(service.isShutdown());
}
});
}
@Test
public void testSubmitFailingCallableException() throws Exception {
DurableExecutorService service = client.getDurableExecutorService(randomString());
Future<String> failingFuture = service.submit(new FailingCallable());
expectedException.expect(ExecutionException.class);
failingFuture.get();
}
@Test
public void testSubmitFailingCallableException_withExecutionCallback() throws Exception {
DurableExecutorService service = client.getDurableExecutorService(randomString());
final CountDownLatch latch = new CountDownLatch(1);
service.submit(new FailingCallable()).andThen(new ExecutionCallback<String>() {
@Override
public void onResponse(String response) {
}
@Override
public void onFailure(Throwable t) {
latch.countDown();
}
});
assertTrue(latch.await(10, TimeUnit.SECONDS));
}
@Test
public void testSubmitFailingCallableReasonExceptionCause() throws Exception {
DurableExecutorService service = client.getDurableExecutorService(randomString());
Future<String> future = service.submit(new FailingCallable());
expectedException.expect(new RootCauseMatcher(IllegalStateException.class));
future.get();
}
@Test
public void testCallableSerializedOnce() throws Exception {
String name = randomString();
DurableExecutorService service = client.getDurableExecutorService(name);
SerializedCounterCallable counterCallable = new SerializedCounterCallable();
Future future = service.submitToKeyOwner(counterCallable, name);
assertEquals(2, future.get());
}
static class SerializedCounterCallable implements Callable, DataSerializable {
int counter;
public SerializedCounterCallable() {
}
@Override
public Object call() throws Exception {
return counter;
}
@Override
public void writeData(ObjectDataOutput out) throws IOException {
out.writeInt(++counter);
}
@Override
public void readData(ObjectDataInput in) throws IOException {
counter = in.readInt() + 1;
}
}
}