ClusterRollingRestartTest.java example

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/*
 * 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.cluster.ClusterState;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.nio.Address;
import com.hazelcast.test.HazelcastParametersRunnerFactory;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.TestHazelcastInstanceFactory;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;

import java.util.Arrays;
import java.util.Collection;

import static com.hazelcast.internal.cluster.impl.AdvancedClusterStateTest.changeClusterStateEventually;

@RunWith(Parameterized.class)
@Parameterized.UseParametersRunnerFactory(HazelcastParametersRunnerFactory.class)
@Category({QuickTest.class, ParallelTest.class})
public class ClusterRollingRestartTest extends HazelcastTestSupport {

    @Parameterized.Parameters(name = "clusterState:{0},partitionAssignmentType:{1}")
    public static Collection<Object[]> parameters() {
        return Arrays.asList(new Object[][]{
                {ClusterState.FROZEN, PartitionAssignmentType.NEVER},
                {ClusterState.PASSIVE, PartitionAssignmentType.NEVER},
                {ClusterState.FROZEN, PartitionAssignmentType.AT_THE_END},
                {ClusterState.PASSIVE, PartitionAssignmentType.AT_THE_END},
                {ClusterState.FROZEN, PartitionAssignmentType.DURING_STARTUP},
                {ClusterState.PASSIVE, PartitionAssignmentType.DURING_STARTUP}
        });
    }

    @Parameterized.Parameter(0)
    public ClusterState clusterState;

    @Parameterized.Parameter(1)
    public PartitionAssignmentType partitionAssignmentType;

    @Test
    public void test_rollingRestart() {
        final TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory();
        final int nodeCount = 3;
        final HazelcastInstance[] instances = new HazelcastInstance[nodeCount];
        instances[0] = factory.newHazelcastInstance();

        if (partitionAssignmentType == PartitionAssignmentType.DURING_STARTUP) {
            warmUpPartitions(instances[0]);
        }

        for (int i = 1; i < nodeCount; i++) {
            instances[i] = factory.newHazelcastInstance();
        }

        if (partitionAssignmentType == PartitionAssignmentType.AT_THE_END) {
            warmUpPartitions(instances);
        }

        changeClusterStateEventually(instances[0], clusterState);

        Address address = getNode(instances[0]).getThisAddress();
        instances[0].shutdown();
        instances[0] = factory.newHazelcastInstance(address);

        for (HazelcastInstance instance : instances) {
            assertClusterSizeEventually(nodeCount, instance);
            assertClusterState(clusterState, instance);
        }

        changeClusterStateEventually(instances[0], ClusterState.ACTIVE);
    }

    private enum PartitionAssignmentType {
        NEVER, DURING_STARTUP, AT_THE_END
    }
}