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   * Licensed to the Apache Software Foundation (ASF) under one
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   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
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   *
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  package org.apache.hadoop.chukwa.datacollection.adaptor.filetailer;
  
  
  import java.io.File;
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.io.PrintWriter;
  import junit.framework.TestCase;
  import org.apache.hadoop.chukwa.Chunk;
  import org.apache.hadoop.chukwa.datacollection.agent.ChukwaAgent;
  import org.apache.hadoop.chukwa.datacollection.connector.ChunkCatcherConnector;
  import org.apache.hadoop.conf.Configuration;
  import static org.apache.hadoop.chukwa.util.TempFileUtil.*;
  
  public class TestCharFileTailingAdaptorUTF8 extends TestCase {
    ChunkCatcherConnector chunks;
    File baseDir;
    public TestCharFileTailingAdaptorUTF8() {
  
      baseDir = new File(System.getProperty("test.build.data", "/tmp"));
      chunks = new ChunkCatcherConnector();
      chunks.start();
    }
  
    public void testCrSepAdaptor() throws IOException, InterruptedException,
        ChukwaAgent.AlreadyRunningException {
      
      Configuration conf = new Configuration();
      conf.set("chukwaAgent.control.port", "0");
      ChukwaAgent agent = ChukwaAgent.getAgent(conf);
      agent.start();
      File testFile = makeTestFile("chukwaTest", 80,baseDir);
      String adaptorId = agent
          .processAddCommand("add adaptor_test = org.apache.hadoop.chukwa.datacollection.adaptor.filetailer.CharFileTailingAdaptorUTF8"
              + " lines " + testFile + " 0");
      assertTrue(adaptorId.equals("adaptor_test"));
      System.out.println("getting a chunk...");
      Chunk c = chunks.waitForAChunk();
      assertTrue(c.getSeqID() == testFile.length());
  
      assertTrue(c.getRecordOffsets().length == 80);
      int recStart = 0;
      for (int rec = 0; rec < c.getRecordOffsets().length; ++rec) {
        String record = new String(c.getData(), recStart,
            c.getRecordOffsets()[rec] - recStart + 1);
        assertTrue(record.equals(rec + " abcdefghijklmnopqrstuvwxyz\n"));
        recStart = c.getRecordOffsets()[rec] + 1;
      }
      assertTrue(c.getDataType().equals("lines"));
      agent.stopAdaptor(adaptorId, false);
      agent.shutdown();
      Thread.sleep(2000);
    }
  
    
  
  }
  