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   * 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,
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   * See the License for the specific language governing permissions and
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  package org.apache.cassandra.tools.nodetool.mock;
  
  import org.junit.Test;
  
  import org.apache.cassandra.service.StorageServiceMBean;
  import org.apache.cassandra.tools.ToolRunner;
  import org.mockito.Mockito;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.mockito.ArgumentMatchers.anyBoolean;
  import static org.mockito.Mockito.when;
  
  public class DecommissionMockTest extends AbstractNodetoolMock
  {
      @Test
      public void testDecomission() throws Throwable
      {
          StorageServiceMBean mock = getMock(STORAGE_SERVICE_MBEAN);
          when(mock.isDecommissioning()).thenReturn(false);
          when(mock.getBootstrapState()).thenReturn("COMPLETED");
          invokeNodetool("decommission", "--force").assertOnCleanExit();
          Mockito.verify(mock).decommission(true);
      }
  
      @Test
      public void testDecomissionInProgress() throws Throwable
      {
          StorageServiceMBean mock = getMock(STORAGE_SERVICE_MBEAN);
          when(mock.isDecommissioning()).thenReturn(true);
          ToolRunner.ToolResult result = invokeNodetool("decommission");
          result.assertOnCleanExit();
          assertThat(result.getStdout()).contains("This node is still decommissioning.");
      }
  
      @Test
      public void testDecomissionedAlready() throws Throwable
      {
          StorageServiceMBean mock = getMock(STORAGE_SERVICE_MBEAN);
          when(mock.isDecommissioning()).thenReturn(false);
          when(mock.getBootstrapState()).thenReturn("DECOMMISSIONED");
          ToolRunner.ToolResult result = invokeNodetool("decommission", "--force");
          result.assertOnCleanExit();
          assertThat(result.getStdout()).contains("Node was already decommissioned.");
          Mockito.verify(mock, Mockito.never()).decommission(anyBoolean());
      }
  }
  