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.mapreduce;
019
020import static org.junit.Assert.*;
021
022import java.net.Inet6Address;
023import java.net.InetAddress;
024import java.net.UnknownHostException;
025import org.apache.hadoop.hbase.HBaseClassTestRule;
026import org.apache.hadoop.hbase.testclassification.SmallTests;
027import org.junit.ClassRule;
028import org.junit.Test;
029import org.junit.experimental.categories.Category;
030
031@Category({SmallTests.class})
032public class TestTableInputFormatBase {
033
034  @ClassRule
035  public static final HBaseClassTestRule CLASS_RULE =
036      HBaseClassTestRule.forClass(TestTableInputFormatBase.class);
037
038  @Test
039  public void testTableInputFormatBaseReverseDNSForIPv6()
040      throws UnknownHostException {
041    String address = "ipv6.google.com";
042    String localhost = null;
043    InetAddress addr = null;
044    TableInputFormat inputFormat = new TableInputFormat();
045    try {
046      localhost = InetAddress.getByName(address).getCanonicalHostName();
047      addr = Inet6Address.getByName(address);
048    } catch (UnknownHostException e) {
049      // google.com is down, we can probably forgive this test.
050      return;
051    }
052    System.out.println("Should retrun the hostname for this host " +
053        localhost + " addr : " + addr);
054    String actualHostName = inputFormat.reverseDNS(addr);
055    assertEquals("Should retrun the hostname for this host. Expected : " +
056        localhost + " Actual : " + actualHostName, localhost, actualHostName);
057  }
058}