/*
* 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.internal.cluster.impl;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.internal.cluster.ClusterVersionListener;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import com.hazelcast.version.MemberVersion;
import com.hazelcast.version.Version;
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.util.concurrent.CountDownLatch;
/**
* Test cluster version transitions
*/
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class ClusterVersionChangeTest
extends HazelcastTestSupport {
@Rule
public ExpectedException expectedException = ExpectedException.none();
private HazelcastInstance instance;
private ClusterServiceImpl cluster;
private CountDownLatch clusterVersionUpgradeLatch;
private MemberVersion codebaseVersion;
@Before
public void setup() {
instance = createHazelcastInstance();
cluster = (ClusterServiceImpl) instance.getCluster();
// expecting countdown twice: once upon listener registration, once more on version upgrade
clusterVersionUpgradeLatch = new CountDownLatch(2);
getNode(instance).getNodeExtension().registerListener(new ClusterVersionChangedListener(clusterVersionUpgradeLatch));
codebaseVersion = getNode(instance).getVersion();
}
@Test
public void test_clusterVersionUpgradeFails_whenNodeMajorVersionPlusOne() {
Version newVersion = Version.of(codebaseVersion.getMajor() + 1, codebaseVersion.getMinor());
expectedException.expect(VersionMismatchException.class);
cluster.changeClusterVersion(newVersion);
}
@Test
public void test_clusterVersionUpgradeFails_whenNodeMinorVersionPlusOne() {
Version newVersion = Version.of(codebaseVersion.getMajor(), codebaseVersion.getMinor() + 1);
expectedException.expect(VersionMismatchException.class);
cluster.changeClusterVersion(newVersion);
}
public static class ClusterVersionChangedListener implements ClusterVersionListener {
private final CountDownLatch latch;
public ClusterVersionChangedListener(CountDownLatch latch) {
this.latch = latch;
}
@Override
public void onClusterVersionChange(Version newVersion) {
latch.countDown();
}
}
}