Package org.apache.hadoop.mapreduce

Examples of org.apache.hadoop.mapreduce.Counters.findCounter()

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  @Test(expected = IOException.class)
  public final void testMapperForNullKeyValue() throws IOException,
      InterruptedException {
    Mapper.Context context = mock(Mapper.Context.class);
    Counters counters = new Counters();
    Counter counter = counters.findCounter(MergeRecordCounter.BAD_RECORD);
    when(context.getCounter(MergeRecordCounter.BAD_RECORD)).thenReturn(
        counter);
    MergeValueMapper mapper = new MergeValueMapper();
    Text val = new Text("valueOfKey");
    mapper.map(null, val, context);
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  @Test
  public final void testMapperValidValues() throws IOException,
      InterruptedException {
    Mapper.Context context = mock(Mapper.Context.class);
    Counters counters = new Counters();
    Counter counter = counters
        .findCounter(MergeRecordCounter.TOTAL_RECORDS_NEW);
    when(context.getCounter(MergeRecordCounter.TOTAL_RECORDS_NEW))
        .thenReturn(counter);
    MergeValueMapper mapper = new MergeValueMapper();
    Text key = new Text("abc123");
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    values.add(hihoValue1);
    values.add(hihoValue2);

    Reducer.Context context = mock(Reducer.Context.class);
    Counters counters = new Counters();
    Counter counter = counters.findCounter(MergeRecordCounter.OUTPUT);
    when(context.getCounter(MergeRecordCounter.OUTPUT)).thenReturn(counter);
    MergeValueReducer mergeReducer = new MergeValueReducer();
    mergeReducer.reduce(hihoTuple, values, context);
    verify(context).write(value2, key);
    assertEquals(1, context.getCounter(MergeRecordCounter.OUTPUT)
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    hihoTuple.setKey(key);
    ArrayList<HihoValue> values = new ArrayList<HihoValue>();

    Reducer.Context context = mock(Reducer.Context.class);
    Counters counters = new Counters();
    Counter counter = counters.findCounter(MergeRecordCounter.OUTPUT);
    when(context.getCounter(MergeRecordCounter.OUTPUT)).thenReturn(counter);
    MergeValueReducer mergeReducer = new MergeValueReducer();
    mergeReducer.reduce(hihoTuple, values, context);
    verify(context).write(null, key);
    assertEquals(1, context.getCounter(MergeRecordCounter.OUTPUT)
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    values.add(hihoValue1);
    values.add(hihoValue2);

    Reducer.Context context = mock(Reducer.Context.class);
    Counters counters = new Counters();
    Counter counter = counters.findCounter(MergeRecordCounter.OUTPUT);
    when(context.getCounter(MergeRecordCounter.OUTPUT)).thenReturn(counter);
    MergeValueReducer mergeReducer = new MergeValueReducer();
    mergeReducer.reduce(hihoTuple, values, context);
    verify(context).write(value2, key);
    assertEquals(1, context.getCounter(MergeRecordCounter.OUTPUT)
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    values.add(hihoValue1);
    values.add(hihoValue2);

    Reducer.Context context = mock(Reducer.Context.class);
    Counters counters = new Counters();
    Counter counter = counters.findCounter(MergeRecordCounter.OUTPUT);
    when(context.getCounter(MergeRecordCounter.OUTPUT)).thenReturn(counter);
    MergeValueReducer mergeReducer = new MergeValueReducer();
    mergeReducer.reduce(hihoTuple, values, context);
    verify(context).write(value2, key);
    assertEquals(1, context.getCounter(MergeRecordCounter.OUTPUT)
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    values.add(hihoValue1);
    values.add(hihoValue2);

    Reducer.Context context = mock(Reducer.Context.class);
    Counters counters = new Counters();
    Counter counter = counters.findCounter(MergeRecordCounter.OUTPUT);
    when(context.getCounter(MergeRecordCounter.OUTPUT)).thenReturn(counter);
    MergeValueReducer mergeReducer = new MergeValueReducer();
    mergeReducer.reduce(hihoTuple, values, context);
    verify(context).write(value2, key);
    assertEquals(1, context.getCounter(MergeRecordCounter.OUTPUT)
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    values.add(hihoValue1);
    values.add(hihoValue2);

    Reducer.Context context = mock(Reducer.Context.class);
    Counters counters = new Counters();
    Counter counter = counters.findCounter(MergeRecordCounter.OUTPUT);
    when(context.getCounter(MergeRecordCounter.OUTPUT)).thenReturn(counter);
    MergeKeyReducer mergeReducer = new MergeKeyReducer();
    mergeReducer.reduce(hihoTuple, values, context);
    verify(context).write(key, value2);
    assertEquals(1, context.getCounter(MergeRecordCounter.OUTPUT)
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    hihoValue2.setIsOld(false);
    ArrayList<HihoValue> values = new ArrayList<HihoValue>();

    Reducer.Context context = mock(Reducer.Context.class);
    Counters counters = new Counters();
    Counter counter = counters.findCounter(MergeRecordCounter.OUTPUT);
    when(context.getCounter(MergeRecordCounter.OUTPUT)).thenReturn(counter);
    MergeKeyReducer mergeReducer = new MergeKeyReducer();
    mergeReducer.reduce(hihoTuple, values, context);
    verify(context).write(key, null);
    assertEquals(1, context.getCounter(MergeRecordCounter.OUTPUT)
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    values.add(hihoValue1);
    values.add(hihoValue2);

    Reducer.Context context = mock(Reducer.Context.class);
    Counters counters = new Counters();
    Counter counter = counters.findCounter(MergeRecordCounter.OUTPUT);
    when(context.getCounter(MergeRecordCounter.OUTPUT)).thenReturn(counter);
    MergeKeyReducer mergeReducer = new MergeKeyReducer();
    mergeReducer.reduce(hihoTuple, values, context);
    verify(context).write(key, value2);
    assertEquals(1, context.getCounter(MergeRecordCounter.OUTPUT)
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