001/**
002 *
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements.  See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership.  The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License.  You may obtain a copy of the License at
010 *
011 *     http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 */
019package org.apache.hadoop.hbase.mapreduce;
020
021import static org.junit.Assert.assertTrue;
022import static org.junit.Assume.assumeTrue;
023
024import org.apache.hadoop.conf.Configurable;
025import org.apache.hadoop.conf.Configuration;
026import org.apache.hadoop.hbase.HBaseConfiguration;
027import org.apache.hadoop.hbase.IntegrationTestingUtility;
028import org.apache.hadoop.hbase.testclassification.IntegrationTests;
029import org.apache.hadoop.mapreduce.Job;
030import org.apache.hadoop.util.Tool;
031import org.apache.hadoop.util.ToolRunner;
032import org.junit.Before;
033import org.junit.BeforeClass;
034import org.junit.Test;
035import org.junit.experimental.categories.Category;
036
037/**
038 * Test that we add tmpjars correctly including the named dependencies. Runs
039 * as an integration test so that classpath is realistic.
040 */
041@Category(IntegrationTests.class)
042public class IntegrationTestTableMapReduceUtil implements Configurable, Tool {
043
044  private static IntegrationTestingUtility util;
045
046  @BeforeClass
047  public static void provisionCluster() throws Exception {
048    if (null == util) {
049      util = new IntegrationTestingUtility();
050    }
051  }
052
053  @Before
054  public void skipMiniCluster() {
055    // test probably also works with a local cluster, but
056    // IntegrationTestingUtility doesn't support this concept.
057    assumeTrue("test requires a distributed cluster.", util.isDistributedCluster());
058  }
059
060  /**
061   * Look for jars we expect to be on the classpath by name.
062   */
063  @Test
064  public void testAddDependencyJars() throws Exception {
065    Job job = new Job();
066    TableMapReduceUtil.addDependencyJars(job);
067    String tmpjars = job.getConfiguration().get("tmpjars");
068
069    // verify presence of modules
070    assertTrue(tmpjars.contains("hbase-common"));
071    assertTrue(tmpjars.contains("hbase-protocol"));
072    assertTrue(tmpjars.contains("hbase-client"));
073    assertTrue(tmpjars.contains("hbase-hadoop-compat"));
074    assertTrue(tmpjars.contains("hbase-server"));
075
076    // verify presence of 3rd party dependencies.
077    assertTrue(tmpjars.contains("zookeeper"));
078    assertTrue(tmpjars.contains("netty"));
079    assertTrue(tmpjars.contains("protobuf"));
080    assertTrue(tmpjars.contains("guava"));
081    assertTrue(tmpjars.contains("htrace"));
082  }
083
084  @Override
085  public int run(String[] args) throws Exception {
086    provisionCluster();
087    skipMiniCluster();
088    testAddDependencyJars();
089    return 0;
090  }
091
092  public void setConf(Configuration conf) {
093    if (util != null) {
094      throw new IllegalArgumentException(
095          "setConf not supported after the test has been initialized.");
096    }
097    util = new IntegrationTestingUtility(conf);
098  }
099
100  @Override
101  public Configuration getConf() {
102    return util.getConfiguration();
103  }
104
105  public static void main(String[] args) throws Exception {
106    Configuration conf = HBaseConfiguration.create();
107    IntegrationTestingUtility.setUseDistributedCluster(conf);
108    int status = ToolRunner.run(conf, new IntegrationTestTableMapReduceUtil(), args);
109    System.exit(status);
110  }
111}