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.HBaseClassTestRule;
023import org.apache.hadoop.hbase.HBaseCommonTestingUtility;
024import org.apache.hadoop.hbase.testclassification.MediumTests;
025import org.apache.hadoop.hbase.testclassification.MiscTests;
026import org.apache.kerby.kerberos.kerb.KrbException;
027import org.apache.kerby.kerberos.kerb.server.SimpleKdcServer;
028import org.junit.ClassRule;
029import org.junit.Test;
030import org.junit.experimental.categories.Category;
031
032@Category({ MiscTests.class, MediumTests.class})
033public class TestSimpleKdcServerUtil {
034  @ClassRule
035  public static final HBaseClassTestRule CLASS_RULE =
036    HBaseClassTestRule.forClass(TestSimpleKdcServerUtil.class);
037  private static final HBaseCommonTestingUtility UTIL = new HBaseCommonTestingUtility();
038
039  /**
040   * Test we are able to ride over clashing port... BindException.. when starting up a
041   * kdc server.
042   */
043  @Test
044  public void testBindException() throws KrbException, IOException {
045    SimpleKdcServer kdc = null;
046    try {
047      File dir = new File(UTIL.getDataTestDir().toString());
048      kdc = SimpleKdcServerUtil.
049        getRunningSimpleKdcServer(dir, HBaseCommonTestingUtility::randomFreePort, true);
050      kdc.createPrincipal("wah");
051    } finally {
052      kdc.stop();
053    }
054  }
055}