/*
* 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.test;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
/**
* Tests a node can be added to one of two brains in a {@link SplitBrainTestSupport} test.
*/
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class SplitBrainAddMemberTest extends SplitBrainTestSupport {
private static final int FIRST_HALF = 1;
private static final int SECOND_HALF = 2;
@Override
protected int[] brains() {
return new int[]{FIRST_HALF, SECOND_HALF};
}
@Override
protected void onBeforeSplitBrainCreated(HazelcastInstance[] instances) {
int expectedClusterSize = FIRST_HALF + SECOND_HALF;
for (HazelcastInstance hz : instances) {
assertClusterSize(expectedClusterSize, hz);
}
}
@Override
protected void onAfterSplitBrainCreated(HazelcastInstance[] firstHalf, HazelcastInstance[] secondHalf) {
for (HazelcastInstance hz : firstHalf) {
assertClusterSize(FIRST_HALF, hz);
}
for (HazelcastInstance hz : secondHalf) {
assertClusterSize(SECOND_HALF, hz);
}
// add a new member to the second brain only
HazelcastInstance newMember = createHazelcastInstanceInBrain(1);
waitAllForSafeState(secondHalf);
for (HazelcastInstance hz : firstHalf) {
assertClusterSize(FIRST_HALF, hz);
}
for (HazelcastInstance hz : secondHalf) {
assertClusterSize(SECOND_HALF + 1, hz);
}
newMember.shutdown();
waitAllForSafeState(secondHalf);
}
@Override
protected void onAfterSplitBrainHealed(HazelcastInstance[] allInstances) {
for (HazelcastInstance hz : allInstances) {
assertClusterSize(FIRST_HALF + SECOND_HALF, hz);
}
}
}