Exemplo n.º 1
0
  @Test
  public void testFailingMapTask() {
    int keyCnt = 100;
    int valCnt = 20;

    try {
      // environment
      initEnvironment(3 * 1024 * 1024);
      addInput(new UniformPactRecordGenerator(keyCnt, valCnt, false), 0);
      addOutput(this.outList);

      // chained combine config
      {
        final TaskConfig combineConfig = new TaskConfig(new Configuration());

        // input
        combineConfig.addInputToGroup(0);
        combineConfig.setInputSerializer(serFact, 0);

        // output
        combineConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
        combineConfig.setOutputSerializer(serFact);

        // driver
        combineConfig.setDriverStrategy(DriverStrategy.PARTIAL_GROUP);
        combineConfig.setDriverComparator(compFact, 0);
        combineConfig.setMemoryDriver(3 * 1024 * 1024);

        // udf
        combineConfig.setStubClass(MockFailingCombineStub.class);

        getTaskConfig().addChainedTask(ChainedCombineDriver.class, combineConfig, "combine");
      }

      // chained map+combine
      {
        final RegularPactTask<GenericMapper<PactRecord, PactRecord>, PactRecord> testTask =
            new RegularPactTask<GenericMapper<PactRecord, PactRecord>, PactRecord>();

        super.registerTask(testTask, MapDriver.class, MockMapStub.class);

        boolean stubFailed = false;

        try {
          testTask.invoke();
        } catch (Exception e) {
          stubFailed = true;
        }

        Assert.assertTrue("Stub exception was not forwarded.", stubFailed);
      }
    } catch (Exception e) {
      e.printStackTrace();
      Assert.fail(e.getMessage());
    }
  }
Exemplo n.º 2
0
  @Test
  public void testMapTask() {
    final int keyCnt = 100;
    final int valCnt = 20;

    try {

      // environment
      initEnvironment(3 * 1024 * 1024);
      addInput(new UniformPactRecordGenerator(keyCnt, valCnt, false), 0);
      addOutput(this.outList);

      // chained combine config
      {
        final TaskConfig combineConfig = new TaskConfig(new Configuration());

        // input
        combineConfig.addInputToGroup(0);
        combineConfig.setInputSerializer(serFact, 0);

        // output
        combineConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
        combineConfig.setOutputSerializer(serFact);

        // driver
        combineConfig.setDriverStrategy(DriverStrategy.PARTIAL_GROUP);
        combineConfig.setDriverComparator(compFact, 0);
        combineConfig.setMemoryDriver(3 * 1024 * 1024);

        // udf
        combineConfig.setStubClass(MockReduceStub.class);

        getTaskConfig().addChainedTask(ChainedCombineDriver.class, combineConfig, "combine");
      }

      // chained map+combine
      {
        RegularPactTask<GenericMapper<PactRecord, PactRecord>, PactRecord> testTask =
            new RegularPactTask<GenericMapper<PactRecord, PactRecord>, PactRecord>();
        registerTask(testTask, MapDriver.class, MockMapStub.class);

        try {
          testTask.invoke();
        } catch (Exception e) {
          e.printStackTrace();
          Assert.fail("Invoke method caused exception.");
        }
      }

      Assert.assertEquals(keyCnt, this.outList.size());
    } catch (Exception e) {
      e.printStackTrace();
      Assert.fail(e.getMessage());
    }
  }