src/contrib/gridmix/src/test/system/org/apache/hadoop/mapred/gridmix/TestGridmixEmulationOfMultipleHDFSPublicDCFiles.java

/**
 * 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.hadoop.mapred.gridmix;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.mapred.gridmix.test.system.GridMixConfig;
import org.apache.hadoop.mapred.gridmix.test.system.GridMixRunMode;
import org.apache.hadoop.mapred.gridmix.test.system.UtilsForGridmix;
import org.junit.Assert;
import org.junit.Test;
import java.io.IOException;

public class TestGridmixEmulationOfMultipleHDFSPublicDCFiles extends 
    GridmixSystemTestCase {
  private static final Log LOG = LogFactory.
     getLog("TestGridmixEmulationOfMultipleHDFSPublicDCFiles.class");

  /**
   * Generate the compressed input data and dist cache files based 
   * on input trace. Verify the Gridmix emulation of
   * multiple HDFS public distributed cache file.
   * @throws Exception - if an error occurs.
   */
  @Test
  public void testGenerateAndEmulationOfMultipleHDFSDCFiles() 
      throws Exception  {
    final long inputSize = 7168;
    final String tracePath = getTraceFile("distcache_case2_trace");
    Assert.assertNotNull("Trace file was not found.", tracePath);
    final String [] runtimeValues ={"LOADJOB",
       RoundRobinUserResolver.class.getName(),
       "STRESS",
       inputSize+"m",
       "file://" + UtilsForGridmix.getProxyUsersFile(conf),
       tracePath};
    final String [] otherArgs = {
      "-D",
      "mapreduce.job.complete.cancel.delegation.tokens=false",
      "-D", GridMixConfig.GRIDMIX_DISTCACHE_ENABLE +
      "=true"
    };
    runGridmixAndVerify(runtimeValues, otherArgs, tracePath, GridMixRunMode.
        DATA_GENERATION_AND_RUN_GRIDMIX);
  }
  
  /**
   * Verify the Gridmix emulation of Single HDFS public distributed cache file 
   * by using an existing input compressed data and HDFS dist cache file. 
   * @throws Exception - if an error occurs.
   */
  @Test
  public void testGridmixEmulationOfMulitpleHDFSPublicDCFile() 
      throws Exception {
    final String tracePath = getTraceFile("distcache_case2_trace");
    Assert.assertNotNull("Trace file was not found.", tracePath);
    final String [] runtimeValues ={"LOADJOB",
       SubmitterUserResolver.class.getName(),
       "SERIAL",
       tracePath};
    final String [] otherArgs = {
      "-D", GridMixConfig.GRIDMIX_DISTCACHE_ENABLE +
      "=true"
    };
    runGridmixAndVerify(runtimeValues, otherArgs,  tracePath, 
        GridMixRunMode.RUN_GRIDMIX);
  }
}