/*
* 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.ExecutionCallback;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.spi.InternalCompletableFuture;
import com.hazelcast.spi.impl.operationservice.InternalOperationService;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Executor;
import static org.mockito.Matchers.isNull;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class InvocationFuture_AndThenTest extends HazelcastTestSupport {
private HazelcastInstance local;
private InternalOperationService operationService;
@Before
public void setup() {
local = createHazelcastInstance();
operationService = getOperationService(local);
}
@Test(expected = IllegalArgumentException.class)
public void whenNullCallback() {
DummyOperation op = new DummyOperation(null);
InternalCompletableFuture<Object> future = operationService.invokeOnTarget(null, op, getAddress(local));
future.andThen(null);
}
@Test(expected = IllegalArgumentException.class)
public void whenNullCallback2() {
DummyOperation op = new DummyOperation(null);
InternalCompletableFuture<Object> future = operationService.invokeOnTarget(null, op, getAddress(local));
future.andThen(null, mock(Executor.class));
}
@Test(expected = IllegalArgumentException.class)
public void whenNullExecutor() {
DummyOperation op = new DummyOperation(null);
InternalCompletableFuture<Object> future = operationService.invokeOnTarget(null, op, getAddress(local));
future.andThen(getExecutionCallbackMock(), null);
}
// there is a bug: https://github.com/hazelcast/hazelcast/issues/5001
@Test
public void whenNullResponse_thenCallbackExecuted() throws ExecutionException, InterruptedException {
DummyOperation op = new DummyOperation(null);
final ExecutionCallback<Object> callback = getExecutionCallbackMock();
InternalCompletableFuture<Object> future = operationService.invokeOnTarget(null, op, getAddress(local));
future.get();
// callback can be completed immediately, since a response (NULL_RESPONSE) has been already set
future.andThen(callback);
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
verify(callback, times(1)).onResponse(isNull());
}
});
}
@SuppressWarnings("unchecked")
private static ExecutionCallback<Object> getExecutionCallbackMock() {
return mock(ExecutionCallback.class);
}
}