geode-core/src/integrationTest/java/org/apache/geode/internal/cache/partitioned/PartitionedRegionRebalanceOpIntegrationTest.java

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 * copyright ownership. The ASF licenses this file to You 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
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 * http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.geode.internal.cache.partitioned;

import static org.assertj.core.api.Assertions.assertThat;

import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;

import org.junit.Test;

import org.apache.geode.cache.PartitionAttributes;
import org.apache.geode.cache.PartitionAttributesFactory;
import org.apache.geode.cache.partition.PartitionRebalanceInfo;
import org.apache.geode.internal.cache.PartitionedRegion;
import org.apache.geode.internal.cache.PartitionedRegionTestHelper;
import org.apache.geode.internal.cache.partitioned.rebalance.MoveBuckets;
import org.apache.geode.internal.cache.partitioned.rebalance.RebalanceDirector;


public class PartitionedRegionRebalanceOpIntegrationTest {
  private PartitionedRegion leaderRegion;
  private PartitionedRegion colocRegion1;
  private PartitionedRegion colocRegion2;

  @Test
  public void testRebalanceModelContainsAllColocatedRegionsWhenRebalanceTargetIsNotLeaderRegion() {
    leaderRegion =
        (PartitionedRegion) PartitionedRegionTestHelper.createPartionedRegion("leader");
    PartitionAttributesFactory paf = new PartitionAttributesFactory();
    PartitionAttributes pa = paf.setColocatedWith("/leader").create();
    colocRegion1 =
        (PartitionedRegion) PartitionedRegionTestHelper.createPartionedRegion("colo1", pa);
    colocRegion2 =
        (PartitionedRegion) PartitionedRegionTestHelper.createPartionedRegion("colo2", pa);
    RebalanceDirector director = new MoveBuckets();
    PartitionedRegionRebalanceOp rebalanceOp =
        new PartitionedRegionRebalanceOp(colocRegion1, false, director, false, true,
            new AtomicBoolean(false), null);
    Set<PartitionRebalanceInfo> rebalanceInfo = rebalanceOp.execute();
    // 3 regions include the leader region and 2 colocated regions.
    assertThat(rebalanceInfo).hasSize(3);
  }
}