content: /*
   * 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.distributedlog;
  
  import java.io.File;
  import org.apache.bookkeeper.shims.zk.ZooKeeperServerShim;
  import org.apache.bookkeeper.util.IOUtils;
  import org.apache.commons.lang3.tuple.Pair;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.rules.TestName;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Test Case for {@link LocalDLMEmulator}.
   */
  public class TestDLMTestUtil {
      static final Logger LOG = LoggerFactory.getLogger(TestDLMTestUtil.class);
  
      static {
          // org.apache.zookeeper.test.ClientBase uses FourLetterWordMain, from 3.5.3 four letter words
          // are disabled by default due to security reasons
          System.setProperty("zookeeper.4lw.commands.whitelist", "*");
      }
  
      @Rule
      public TestName testNames = new TestName();
  
      @Test(timeout = 60000)
      public void testRunZookeeperOnAnyPort() throws Exception {
          Pair<ZooKeeperServerShim, Integer> serverAndPort1 = null;
          Pair<ZooKeeperServerShim, Integer> serverAndPort2 = null;
          Pair<ZooKeeperServerShim, Integer> serverAndPort3 = null;
          try {
              File zkTmpDir1 = IOUtils.createTempDir("zookeeper1", "distrlog");
              serverAndPort1 = LocalDLMEmulator.runZookeeperOnAnyPort(7000, zkTmpDir1);
              File zkTmpDir2 = IOUtils.createTempDir("zookeeper2", "distrlog");
              serverAndPort2 = LocalDLMEmulator.runZookeeperOnAnyPort(7000, zkTmpDir2);
              File zkTmpDir3 = IOUtils.createTempDir("zookeeper3", "distrlog");
              serverAndPort3 = LocalDLMEmulator.runZookeeperOnAnyPort(7000, zkTmpDir3);
          } catch (Exception ex) {
              if (null != serverAndPort1) {
                  serverAndPort1.getLeft().stop();
              }
              if (null != serverAndPort2) {
                  serverAndPort2.getLeft().stop();
              }
              if (null != serverAndPort3) {
                  serverAndPort3.getLeft().stop();
              }
          }
      }
  }
  