content: /*
   * 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.chukwa.extraction.demux;
  
  import org.apache.hadoop.chukwa.ChukwaArchiveKey;
  import org.apache.hadoop.chukwa.ChunkImpl;
  import org.apache.hadoop.chukwa.ChunkBuilder;
  import org.apache.hadoop.chukwa.extraction.engine.ChukwaRecordKey;
  import org.apache.hadoop.chukwa.extraction.engine.ChukwaRecord;
  import org.apache.hadoop.chukwa.extraction.demux.processor.mapper.ChukwaTestOutputCollector;
  import org.apache.hadoop.mapred.Mapper;
  import org.apache.hadoop.mapred.Reporter;
  import org.apache.hadoop.mapred.JobConf;
  import junit.framework.TestCase;
  
  
  import java.io.IOException;
  
  /**
   * Tests that settings related to the Demux mapper do what they should.
   */
  public class TestDemuxMapperConfigs extends TestCase {
  
    public static  String SAMPLE_RECORD_DATA = "sampleRecordData";
  
    public void testSetDefaultMapProcessor() throws IOException {
      Mapper<ChukwaArchiveKey, ChunkImpl, ChukwaRecordKey, ChukwaRecord> mapper =
              new Demux.MapClass();
  
      JobConf conf = new JobConf();
      conf.set("chukwa.demux.mapper.default.processor",
               "org.apache.hadoop.chukwa.extraction.demux.processor.mapper.MockMapProcessor,");
      mapper.configure(conf);
  
      ChunkBuilder cb = new ChunkBuilder();
      cb.addRecord(SAMPLE_RECORD_DATA.getBytes());
      ChunkImpl chunk = (ChunkImpl)cb.getChunk();
  
      ChukwaTestOutputCollector<ChukwaRecordKey, ChukwaRecord> output =
              new ChukwaTestOutputCollector<ChukwaRecordKey, ChukwaRecord>();
  
      mapper.map(new ChukwaArchiveKey(), chunk, output, Reporter.NULL);
      ChukwaRecordKey recordKey = new ChukwaRecordKey("someReduceType", SAMPLE_RECORD_DATA);
  
      assertEquals("MockMapProcessor never invoked - no records found", 1, output.data.size());
      assertNotNull("MockMapProcessor never invoked", output.data.get(recordKey));
    }
  
    public void testSetCustomeMapProcessor() throws IOException {
      Mapper<ChukwaArchiveKey, ChunkImpl, ChukwaRecordKey, ChukwaRecord> mapper =
              new Demux.MapClass();
      String custom_DataType = "cus_dt";
  
      JobConf conf = new JobConf();
      conf.set(custom_DataType,
              "org.apache.hadoop.chukwa.extraction.demux.processor.mapper.MockMapProcessor,");
      mapper.configure(conf);
  
      ChunkBuilder cb = new ChunkBuilder();
      cb.addRecord(SAMPLE_RECORD_DATA.getBytes());
      ChunkImpl chunk = (ChunkImpl)cb.getChunk();
      chunk.setDataType(custom_DataType);
  
      ChukwaTestOutputCollector<ChukwaRecordKey, ChukwaRecord> output =
              new ChukwaTestOutputCollector<ChukwaRecordKey, ChukwaRecord>();
  
      mapper.map(new ChukwaArchiveKey(), chunk, output, Reporter.NULL);
      ChukwaRecordKey recordKey = new ChukwaRecordKey("someReduceType", SAMPLE_RECORD_DATA);
  
      assertEquals("MockMapProcessor never invoked - no records found", 1, output.data.size());
      assertNotNull("MockMapProcessor never invoked", output.data.get(recordKey));
    }
  
  
  }
  