001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.util;
019
020import java.io.File;
021import java.io.IOException;
022import org.apache.hadoop.hbase.HBaseCommonTestingUtil;
023import org.apache.hadoop.hbase.testclassification.MediumTests;
024import org.apache.hadoop.hbase.testclassification.MiscTests;
025import org.apache.kerby.kerberos.kerb.KrbException;
026import org.apache.kerby.kerberos.kerb.server.SimpleKdcServer;
027import org.junit.jupiter.api.Tag;
028import org.junit.jupiter.api.Test;
029
030@Tag(MiscTests.TAG)
031@Tag(MediumTests.TAG)
032public class TestSimpleKdcServerUtil {
033  private static final HBaseCommonTestingUtil UTIL = new HBaseCommonTestingUtil();
034
035  /**
036   * Test we are able to ride over clashing port... BindException.. when starting up a kdc server.
037   */
038  @Test
039  public void testBindException() throws KrbException, IOException {
040    SimpleKdcServer kdc = null;
041    try {
042      File dir = new File(UTIL.getDataTestDir().toString());
043      kdc = SimpleKdcServerUtil.getRunningSimpleKdcServer(dir,
044        HBaseCommonTestingUtil::randomFreePort, true);
045      kdc.createPrincipal("wah");
046    } finally {
047      kdc.stop();
048    }
049  }
050}