/*
* 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.partitionservice;
import com.hazelcast.client.config.ClientConfig;
import com.hazelcast.client.impl.HazelcastClientInstanceImpl;
import com.hazelcast.client.test.TestHazelcastFactory;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.internal.partition.impl.InternalPartitionServiceImpl;
import com.hazelcast.nio.Address;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.PortableReader;
import com.hazelcast.nio.serialization.PortableWriter;
import com.hazelcast.partition.PartitionLostEvent;
import com.hazelcast.partition.PartitionLostListener;
import com.hazelcast.partition.PartitionLostListenerStressTest.EventCollectingPartitionLostListener;
import com.hazelcast.spi.EventRegistration;
import com.hazelcast.spi.impl.PortablePartitionLostEvent;
import com.hazelcast.spi.impl.eventservice.InternalEventService;
import com.hazelcast.spi.partition.IPartitionLostEvent;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.After;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.io.IOException;
import java.util.Collection;
import java.util.List;
import static com.hazelcast.client.impl.ClientTestUtil.getHazelcastClientInstanceImpl;
import static com.hazelcast.internal.partition.InternalPartitionService.PARTITION_LOST_EVENT_TOPIC;
import static com.hazelcast.internal.partition.InternalPartitionService.SERVICE_NAME;
import static com.hazelcast.test.HazelcastTestSupport.assertTrueEventually;
import static com.hazelcast.test.HazelcastTestSupport.getAddress;
import static com.hazelcast.test.HazelcastTestSupport.getNode;
import static com.hazelcast.test.HazelcastTestSupport.warmUpPartitions;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
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 ClientPartitionLostListenerTest {
private final TestHazelcastFactory hazelcastFactory = new TestHazelcastFactory();
@After
public void tearDown() {
hazelcastFactory.terminateAll();
}
@Test
public void test_partitionLostListener_registered() {
final HazelcastInstance instance = hazelcastFactory.newHazelcastInstance();
final HazelcastInstance client = hazelcastFactory.newHazelcastClient();
client.getPartitionService().addPartitionLostListener(mock(PartitionLostListener.class));
assertRegistrationsSizeEventually(instance, 1);
}
@Test
public void test_partitionLostListener_removed() {
final HazelcastInstance instance = hazelcastFactory.newHazelcastInstance();
final HazelcastInstance client = hazelcastFactory.newHazelcastClient();
final String registrationId = client.getPartitionService().addPartitionLostListener(mock(PartitionLostListener.class));
assertRegistrationsSizeEventually(instance, 1);
client.getPartitionService().removePartitionLostListener(registrationId);
assertRegistrationsSizeEventually(instance, 0);
}
@Test
public void test_partitionLostListener_invoked() {
final HazelcastInstance instance = hazelcastFactory.newHazelcastInstance();
final HazelcastInstance client = hazelcastFactory.newHazelcastClient();
warmUpPartitions(instance, client);
final EventCollectingPartitionLostListener listener = new EventCollectingPartitionLostListener();
client.getPartitionService().addPartitionLostListener(listener);
assertRegistrationsSizeEventually(instance, 1);
final InternalPartitionServiceImpl partitionService = getNode(instance).getNodeEngine().getService(SERVICE_NAME);
final int partitionId = 5;
partitionService.onPartitionLost(new IPartitionLostEvent(partitionId, 0, null));
assertPartitionLostEventEventually(listener, partitionId);
}
@Test
public void test_partitionLostListener_invoked_fromOtherNode() {
final HazelcastInstance instance1 = hazelcastFactory.newHazelcastInstance();
final HazelcastInstance instance2 = hazelcastFactory.newHazelcastInstance();
final ClientConfig clientConfig = new ClientConfig();
clientConfig.getNetworkConfig().setSmartRouting(false);
final HazelcastInstance client = hazelcastFactory.newHazelcastClient(clientConfig);
warmUpPartitions(instance1, instance2, client);
final HazelcastClientInstanceImpl clientInstanceImpl = getHazelcastClientInstanceImpl(client);
final Address clientOwnerAddress = clientInstanceImpl.getClientClusterService().getOwnerConnectionAddress();
final HazelcastInstance other = getAddress(instance1).equals(clientOwnerAddress) ? instance2 : instance1;
final EventCollectingPartitionLostListener listener = new EventCollectingPartitionLostListener();
client.getPartitionService().addPartitionLostListener(listener);
assertRegistrationsSizeEventually(instance1, 1);
assertRegistrationsSizeEventually(instance2, 1);
final InternalPartitionServiceImpl partitionService = getNode(other).getNodeEngine().getService(SERVICE_NAME);
final int partitionId = 5;
partitionService.onPartitionLost(new IPartitionLostEvent(partitionId, 0, null));
assertPartitionLostEventEventually(listener, partitionId);
}
private void assertRegistrationsSizeEventually(final HazelcastInstance instance, final int size) {
assertTrueEventually(new AssertTask() {
@Override
public void run()
throws Exception {
final InternalEventService eventService = getNode(instance).getNodeEngine().getEventService();
final Collection<EventRegistration> registrations = eventService
.getRegistrations(SERVICE_NAME, PARTITION_LOST_EVENT_TOPIC);
assertEquals(size, registrations.size());
}
});
}
private void assertPartitionLostEventEventually(final EventCollectingPartitionLostListener listener, final int partitionId) {
assertTrueEventually(new AssertTask() {
@Override
public void run()
throws Exception {
final List<PartitionLostEvent> events = listener.getEvents();
assertFalse(events.isEmpty());
assertEquals(partitionId, events.get(0).getPartitionId());
}
});
}
@Test
public void test_portableMapPartitionLostEvent_serialization()
throws IOException {
final Address source = new Address();
final PortablePartitionLostEvent event = new PortablePartitionLostEvent(1, 2, source);
final PortableWriter writer = mock(PortableWriter.class);
final ObjectDataOutput output = mock(ObjectDataOutput.class);
when(writer.getRawDataOutput()).thenReturn(output);
event.writePortable(writer);
verify(writer).writeInt("p", 1);
verify(writer).writeInt("l", 2);
verify(output).writeObject(source);
}
@Test
public void test_portableMapPartitionLostEvent_deserialization()
throws IOException {
final Address source = new Address();
final PortablePartitionLostEvent event = new PortablePartitionLostEvent();
final PortableReader reader = mock(PortableReader.class);
final ObjectDataInput input = mock(ObjectDataInput.class);
when(reader.getRawDataInput()).thenReturn(input);
when(reader.readInt("p")).thenReturn(1);
when(reader.readInt("l")).thenReturn(2);
when(input.readObject()).thenReturn(source);
event.readPortable(reader);
assertEquals(1, event.getPartitionId());
assertEquals(2, event.getLostBackupCount());
assertEquals(source, event.getSource());
}
}