/*
* 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.spi.impl.operationservice.impl;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.spi.BackupAwareOperation;
import com.hazelcast.spi.BackupOperation;
import com.hazelcast.spi.Operation;
import com.hazelcast.spi.exception.WrongTargetException;
import com.hazelcast.spi.impl.NodeEngineImpl;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.ExpectedRuntimeException;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.TestHazelcastInstanceFactory;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicReference;
import static org.junit.Assert.assertNotNull;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class OperationFailureTest extends HazelcastTestSupport {
// static reference to store backup operation failure
private static final AtomicReference<Throwable> backupOperationFailure = new AtomicReference<Throwable>();
@Test
public void onFailure_shouldBeCalled_whenOperationExecutionFails() {
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory();
HazelcastInstance hz = factory.newHazelcastInstance();
NodeEngineImpl nodeEngine = getNodeEngineImpl(hz);
FailingOperation op = new FailingOperation(new CountDownLatch(1));
nodeEngine.getOperationService().execute(op);
assertOpenEventually(op.latch);
assertInstanceOf(ExpectedRuntimeException.class, op.failure);
}
@Test
public void onFailure_shouldBeCalled_whenOperationIsRejected() {
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory();
HazelcastInstance hz = factory.newHazelcastInstance();
NodeEngineImpl nodeEngine = getNodeEngineImpl(hz);
FailingOperation op = new FailingOperation(new CountDownLatch(1));
op.setPartitionId(1).setReplicaIndex(1);
nodeEngine.getOperationService().execute(op);
assertOpenEventually(op.latch);
assertInstanceOf(WrongTargetException.class, op.failure);
}
@Test
public void onFailure_shouldBeCalled_whenBackupExecutionFails() {
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory();
HazelcastInstance hz = factory.newHazelcastInstance();
HazelcastInstance hz2 = factory.newHazelcastInstance();
warmUpPartitions(hz, hz2);
NodeEngineImpl nodeEngine = getNodeEngineImpl(hz);
nodeEngine.getOperationService().invokeOnPartition(null, new EmptyBackupAwareOperation(), 0);
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertNotNull(backupOperationFailure.get());
}
});
Throwable failure = backupOperationFailure.getAndSet(null);
assertInstanceOf(ExpectedRuntimeException.class, failure);
}
private static class FailingOperation extends Operation {
final CountDownLatch latch;
volatile Throwable failure;
FailingOperation(CountDownLatch latch) {
this.latch = latch;
}
@Override
public void run() throws Exception {
throw new ExpectedRuntimeException();
}
@Override
public void onExecutionFailure(Throwable e) {
failure = e;
latch.countDown();
}
}
private static class EmptyBackupAwareOperation extends Operation implements BackupAwareOperation {
@Override
public void run() throws Exception {
}
@Override
public boolean shouldBackup() {
return true;
}
@Override
public int getSyncBackupCount() {
return 1;
}
@Override
public int getAsyncBackupCount() {
return 0;
}
@Override
public Operation getBackupOperation() {
return new FailingBackupOperation();
}
}
private static class FailingBackupOperation extends Operation implements BackupOperation {
@Override
public void run() throws Exception {
throw new ExpectedRuntimeException();
}
@Override
public void onExecutionFailure(Throwable e) {
backupOperationFailure.set(e);
}
}
}