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Merge pull request #14843 from sancar/fix/hotRestartMembership/maint
Let Client handle restarted members with same uuid different address
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hazelcast-client/src/test/java/com/hazelcast/client/ClientClusterRestartEventTest.java
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| /* | ||
| * Copyright (c) 2008-2019, 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. | ||
| */ | ||
|
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| package com.hazelcast.client; | ||
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| import com.hazelcast.client.config.ClientConfig; | ||
| import com.hazelcast.client.test.TestHazelcastFactory; | ||
| import com.hazelcast.config.Config; | ||
| import com.hazelcast.core.HazelcastInstance; | ||
| import com.hazelcast.core.Member; | ||
| import com.hazelcast.core.MemberAttributeEvent; | ||
| import com.hazelcast.core.MembershipEvent; | ||
| import com.hazelcast.core.MembershipListener; | ||
| import com.hazelcast.test.HazelcastParallelClassRunner; | ||
| import com.hazelcast.test.annotation.ParallelTest; | ||
| import com.hazelcast.test.annotation.QuickTest; | ||
| import org.junit.After; | ||
| import org.junit.Before; | ||
| import org.junit.Test; | ||
| import org.junit.experimental.categories.Category; | ||
| import org.junit.runner.RunWith; | ||
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| import java.util.Collections; | ||
| import java.util.Set; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
| import java.util.concurrent.CountDownLatch; | ||
| import java.util.concurrent.atomic.AtomicReference; | ||
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| import static com.hazelcast.test.HazelcastTestSupport.assertContains; | ||
| import static com.hazelcast.test.HazelcastTestSupport.assertOpenEventually; | ||
| import static org.junit.Assert.assertEquals; | ||
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| @RunWith(HazelcastParallelClassRunner.class) | ||
| @Category({QuickTest.class, ParallelTest.class}) | ||
| public class ClientClusterRestartEventTest { | ||
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| private final TestHazelcastFactory hazelcastFactory = new TestHazelcastFactory(); | ||
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| @Before | ||
| public void setUp() { | ||
| } | ||
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| @After | ||
| public void tearDown() { | ||
| hazelcastFactory.shutdownAll(); | ||
| } | ||
|
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| protected Config newConfig() { | ||
| return new Config(); | ||
| } | ||
|
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| private ClientConfig newClientConfig() { | ||
| ClientConfig clientConfig = new ClientConfig(); | ||
| clientConfig.getNetworkConfig().setConnectionAttemptLimit(Integer.MAX_VALUE); | ||
| return clientConfig; | ||
| } | ||
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| @Test | ||
| public void testSingleMemberRestart() { | ||
| HazelcastInstance instance = hazelcastFactory.newHazelcastInstance(newConfig()); | ||
| Member oldMember = instance.getCluster().getLocalMember(); | ||
| HazelcastInstance client = hazelcastFactory.newHazelcastClient(); | ||
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| final CountDownLatch memberAdded = new CountDownLatch(1); | ||
| final CountDownLatch memberRemoved = new CountDownLatch(1); | ||
| final AtomicReference<Member> addedMemberReference = new AtomicReference<Member>(); | ||
| final AtomicReference<Member> removedMemberReference = new AtomicReference<Member>(); | ||
| client.getCluster().addMembershipListener(new MembershipListener() { | ||
| @Override | ||
| public void memberAdded(MembershipEvent membershipEvent) { | ||
| addedMemberReference.set(membershipEvent.getMember()); | ||
| memberAdded.countDown(); | ||
| } | ||
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| @Override | ||
| public void memberRemoved(MembershipEvent membershipEvent) { | ||
| removedMemberReference.set(membershipEvent.getMember()); | ||
| memberRemoved.countDown(); | ||
| } | ||
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| @Override | ||
| public void memberAttributeChanged(MemberAttributeEvent memberAttributeEvent) { | ||
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| } | ||
| }); | ||
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| instance.shutdown(); | ||
| instance = hazelcastFactory.newHazelcastInstance(newConfig()); | ||
| Member newMember = instance.getCluster().getLocalMember(); | ||
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| assertOpenEventually(memberRemoved); | ||
| assertEquals(oldMember, removedMemberReference.get()); | ||
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| assertOpenEventually(memberAdded); | ||
| assertEquals(newMember, addedMemberReference.get()); | ||
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| Set<Member> members = client.getCluster().getMembers(); | ||
| assertContains(members, newMember); | ||
| assertEquals(1, members.size()); | ||
| } | ||
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| @Test | ||
| public void testMultiMemberRestart() { | ||
| HazelcastInstance instance1 = hazelcastFactory.newHazelcastInstance(newConfig()); | ||
| HazelcastInstance instance2 = hazelcastFactory.newHazelcastInstance(newConfig()); | ||
| HazelcastInstance client = hazelcastFactory.newHazelcastClient(newClientConfig()); | ||
| Member oldMember1 = instance1.getCluster().getLocalMember(); | ||
| Member oldMember2 = instance2.getCluster().getLocalMember(); | ||
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| final CountDownLatch memberAdded = new CountDownLatch(2); | ||
| final Set<Member> addedMembers = Collections.newSetFromMap(new ConcurrentHashMap<Member, Boolean>()); | ||
| final CountDownLatch memberRemoved = new CountDownLatch(2); | ||
| final Set<Member> removedMembers = Collections.newSetFromMap(new ConcurrentHashMap<Member, Boolean>()); | ||
| client.getCluster().addMembershipListener(new MembershipListener() { | ||
| @Override | ||
| public void memberAdded(MembershipEvent membershipEvent) { | ||
| addedMembers.add(membershipEvent.getMember()); | ||
| memberAdded.countDown(); | ||
| } | ||
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| @Override | ||
| public void memberRemoved(MembershipEvent membershipEvent) { | ||
| removedMembers.add(membershipEvent.getMember()); | ||
| memberRemoved.countDown(); | ||
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| } | ||
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| @Override | ||
| public void memberAttributeChanged(MemberAttributeEvent memberAttributeEvent) { | ||
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| } | ||
| }); | ||
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| instance1.shutdown(); | ||
| instance2.shutdown(); | ||
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| instance1 = hazelcastFactory.newHazelcastInstance(newConfig()); | ||
| instance2 = hazelcastFactory.newHazelcastInstance(newConfig()); | ||
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| Member newMember1 = instance1.getCluster().getLocalMember(); | ||
| Member newMember2 = instance2.getCluster().getLocalMember(); | ||
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| assertOpenEventually(memberRemoved); | ||
| assertEquals(2, removedMembers.size()); | ||
| assertContains(removedMembers, oldMember1); | ||
| assertContains(removedMembers, oldMember2); | ||
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| assertOpenEventually(memberAdded); | ||
| assertEquals(2, addedMembers.size()); | ||
| assertContains(addedMembers, newMember1); | ||
| assertContains(addedMembers, newMember2); | ||
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| Set<Member> members = client.getCluster().getMembers(); | ||
| assertContains(members, newMember1); | ||
| assertContains(members, newMember2); | ||
| assertEquals(2, members.size()); | ||
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| } | ||
| } |