@SuppressWarnings("unchecked")
@Test
public void testGetAggregatorStepsWithParDoBoundExtractsSteps() {
@SuppressWarnings("rawtypes")
ParDo.Bound bound = mock(ParDo.Bound.class, "Bound");
AggregatorProvidingDoFn<ThreadGroup, StrictMath> fn = new AggregatorProvidingDoFn<>();
when(bound.getFn()).thenReturn(fn);
Aggregator<Long, Long> aggregatorOne = fn.addAggregator(new Sum.SumLongFn());
Aggregator<Integer, Integer> aggregatorTwo = fn.addAggregator(new Min.MinIntegerFn());
TransformTreeNode transformNode = mock(TransformTreeNode.class);
when(transformNode.getTransform()).thenReturn(bound);
doAnswer(new VisitNodesAnswer(ImmutableList.of(transformNode)))
.when(p)
.traverseTopologically(Mockito.any(PipelineVisitor.class));
AggregatorPipelineExtractor extractor = new AggregatorPipelineExtractor(p);
Map<Aggregator<?, ?>, Collection<PTransform<?, ?>>> aggregatorSteps =
extractor.getAggregatorSteps();
assertEquals(ImmutableSet.<PTransform<?, ?>>of(bound), aggregatorSteps.get(aggregatorOne));
assertEquals(ImmutableSet.<PTransform<?, ?>>of(bound), aggregatorSteps.get(aggregatorTwo));
assertEquals(aggregatorSteps.size(), 2);
}
@SuppressWarnings("unchecked")
@Test
public void testGetAggregatorStepsWithOneAggregatorInMultipleStepsAddsSteps() {
@SuppressWarnings("rawtypes")
ParDo.Bound bound = mock(ParDo.Bound.class, "Bound");
@SuppressWarnings("rawtypes")
ParDo.BoundMulti otherBound = mock(ParDo.BoundMulti.class, "otherBound");
AggregatorProvidingDoFn<String, Math> fn = new AggregatorProvidingDoFn<>();
when(bound.getFn()).thenReturn(fn);
when(otherBound.getFn()).thenReturn(fn);
Aggregator<Long, Long> aggregatorOne = fn.addAggregator(new Sum.SumLongFn());
Aggregator<Double, Double> aggregatorTwo = fn.addAggregator(new Min.MinDoubleFn());
TransformTreeNode transformNode = mock(TransformTreeNode.class);
when(transformNode.getTransform()).thenReturn(bound);
TransformTreeNode otherTransformNode = mock(TransformTreeNode.class);
when(otherTransformNode.getTransform()).thenReturn(otherBound);
doAnswer(new VisitNodesAnswer(ImmutableList.of(transformNode, otherTransformNode)))
.when(p)
.traverseTopologically(Mockito.any(PipelineVisitor.class));
AggregatorPipelineExtractor extractor = new AggregatorPipelineExtractor(p);
Map<Aggregator<?, ?>, Collection<PTransform<?, ?>>> aggregatorSteps =
extractor.getAggregatorSteps();
assertEquals(
ImmutableSet.<PTransform<?, ?>>of(bound, otherBound), aggregatorSteps.get(aggregatorOne));
assertEquals(
ImmutableSet.<PTransform<?, ?>>of(bound, otherBound), aggregatorSteps.get(aggregatorTwo));
assertEquals(2, aggregatorSteps.size());
}