text: /**
   * 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.pulsar.zookeeper;
  
  import static org.testng.Assert.assertEquals;
  import static org.testng.Assert.assertFalse;
  import static org.testng.Assert.assertTrue;
  
  import java.io.File;
  import java.util.Collections;
  import java.util.List;
  
  import org.apache.commons.io.FileUtils;
  import org.testng.annotations.AfterMethod;
  import org.testng.annotations.BeforeMethod;
  import org.testng.annotations.Test;
  
  public class LocalBookkeeperEnsembleTest {
  
      @BeforeMethod
      void setup() throws Exception {
      }
  
      @AfterMethod
      void teardown() throws Exception {
      }
  
      @Test
      public void testAdvertisedAddress() throws Exception {
          final int numBk = 1;
  
          LocalBookkeeperEnsemble ensemble = new LocalBookkeeperEnsemble(
              numBk, 0, 0, null, null, true, "127.0.0.2");
          ensemble.startStandalone();
  
          List<String> bookies = ensemble.getZkClient().getChildren("/ledgers/available", false);
          Collections.sort(bookies);
          assertEquals(bookies.size(), 2);
          assertTrue(bookies.get(0).startsWith("127.0.0.2:"));
  
          ensemble.stop();
      }
  
      @Test
      public void testStartStop() throws Exception {
  
          final int numBk = 1;
  
          // Start local Bookies/ZooKeepers and confirm that they are running at specified ports
          LocalBookkeeperEnsemble ensemble = new LocalBookkeeperEnsemble(numBk, 0, () -> 0);
          ensemble.start();
          assertTrue(ensemble.getZkServer().isRunning());
          assertEquals(ensemble.getZkServer().getClientPort(), ensemble.getZookeeperPort());
          assertTrue(ensemble.getZkClient().getState().isConnected());
          assertTrue(ensemble.getBookies()[0].isRunning());
  
          // Stop local Bookies/ZooKeepers and confirm that they are correctly closed
          ensemble.stop();
          assertFalse(ensemble.getZkServer().isRunning());
          assertFalse(ensemble.getZkClient().getState().isConnected());
          assertFalse(ensemble.getBookies()[0].isRunning());
      }
  }
  