geode-core/src/test/java/org/apache/geode/distributed/internal/ClusterDistributionManagerTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional information regarding
 * 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
 * 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 org.apache.geode.distributed.internal;

import static org.mockito.ArgumentMatchers.isA;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;

import org.junit.Test;

import org.apache.geode.ForcedDisconnectException;
import org.apache.geode.distributed.internal.membership.api.MemberDisconnectedException;

public class ClusterDistributionManagerTest {

  @Test
  public void membershipFailureProcessingCreatesForcedDisconnectException() {
    ClusterDistributionManager manager = mock(ClusterDistributionManager.class);
    ClusterDistributionManager.DMListener listener =
        new ClusterDistributionManager.DMListener(manager);
    listener.membershipFailure("Testing", new MemberDisconnectedException("testing"));
    // the root cause of membership failure should only be set once
    verify(manager, times(1)).setRootCause(isA(Throwable.class));
    // the root cause should be a ForcedDisconnectException
    verify(manager, times(1)).setRootCause(isA(ForcedDisconnectException.class));
  }
}