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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 java.util.Collections;
  import java.util.HashSet;
  import java.util.List;
  
  import org.junit.Test;
  
  import org.apache.cassandra.db.ColumnFamilyStoreMBean;
  import org.apache.cassandra.tools.ToolRunner;
  import org.mockito.Mockito;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  import static org.mockito.Mockito.when;
  
  public class GetSSTablesMockTest extends AbstractNodetoolMock
  {
      @Test
      public void testGetSSTables()
      {
          ToolRunner.ToolResult result = invokeNodetool("getsstables");
          assertEquals(1, result.getExitCode());
          assertTrue(result.getStdout().contains("nodetool: getsstables requires ks, cf and key args"));
      }
  
      @Test
      public void testGetSSTablesWithFullAgruments()
      {
          ColumnFamilyStoreMBean mock = addAndGetMockColumnFamilyStore("ks", "cf", false);
          when(mock.isLeveledCompaction()).thenReturn(true);
          when(mock.getSSTablesForKeyWithLevel("key", false)).thenReturn(Collections.singletonMap(1, new HashSet<>(List.of("sstable1", "sstable2"))));
          ToolRunner.ToolResult result = invokeNodetool("getsstables", "--show-levels", "ks", "cf", "key");
          result.assertOnCleanExit();
          Mockito.verify(mock).isLeveledCompaction();
      }
  }
  