| /* |
| * 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.beam.runners.direct; |
| |
| import static org.hamcrest.Matchers.containsInAnyOrder; |
| import static org.junit.Assert.assertThat; |
| import static org.junit.Assert.fail; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| import javax.annotation.Nullable; |
| import org.apache.beam.runners.core.ReadyCheckingSideInputReader; |
| import org.apache.beam.runners.direct.DirectExecutionContext.DirectStepContext; |
| import org.apache.beam.runners.direct.WatermarkManager.TimerUpdate; |
| import org.apache.beam.runners.local.StructuralKey; |
| import org.apache.beam.sdk.options.PipelineOptionsFactory; |
| import org.apache.beam.sdk.runners.AppliedPTransform; |
| import org.apache.beam.sdk.testing.TestPipeline; |
| import org.apache.beam.sdk.transforms.Create; |
| import org.apache.beam.sdk.transforms.DoFn; |
| import org.apache.beam.sdk.transforms.DoFnSchemaInformation; |
| import org.apache.beam.sdk.transforms.ParDo; |
| import org.apache.beam.sdk.transforms.View; |
| import org.apache.beam.sdk.transforms.windowing.BoundedWindow; |
| import org.apache.beam.sdk.transforms.windowing.GlobalWindow; |
| import org.apache.beam.sdk.transforms.windowing.IntervalWindow; |
| import org.apache.beam.sdk.transforms.windowing.PaneInfo; |
| import org.apache.beam.sdk.transforms.windowing.Window; |
| import org.apache.beam.sdk.util.IdentitySideInputWindowFn; |
| import org.apache.beam.sdk.util.WindowedValue; |
| import org.apache.beam.sdk.values.PCollection; |
| import org.apache.beam.sdk.values.PCollectionView; |
| import org.apache.beam.sdk.values.TupleTag; |
| import org.apache.beam.sdk.values.TupleTagList; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.ImmutableList; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.ImmutableMap; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.Iterables; |
| import org.hamcrest.Matchers; |
| import org.joda.time.Instant; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| import org.mockito.Mock; |
| import org.mockito.Mockito; |
| import org.mockito.MockitoAnnotations; |
| |
| /** Tests for {@link ParDoEvaluator}. */ |
| @RunWith(JUnit4.class) |
| public class ParDoEvaluatorTest { |
| @Mock private EvaluationContext evaluationContext; |
| private PCollection<Integer> inputPc; |
| private TupleTag<Integer> mainOutputTag; |
| private List<TupleTag<?>> additionalOutputTags; |
| private BundleFactory bundleFactory; |
| |
| @Rule public TestPipeline p = TestPipeline.create().enableAbandonedNodeEnforcement(false); |
| |
| @Before |
| public void setup() { |
| MockitoAnnotations.initMocks(this); |
| inputPc = p.apply(Create.of(1, 2, 3)); |
| mainOutputTag = new TupleTag<Integer>() {}; |
| additionalOutputTags = TupleTagList.empty().getAll(); |
| |
| bundleFactory = ImmutableListBundleFactory.create(); |
| } |
| |
| @Test |
| public void sideInputsNotReadyResultHasUnprocessedElements() { |
| PCollectionView<Integer> singletonView = |
| inputPc |
| .apply(Window.into(new IdentitySideInputWindowFn())) |
| .apply(View.<Integer>asSingleton().withDefaultValue(0)); |
| RecorderFn fn = new RecorderFn(singletonView); |
| PCollection<Integer> output = inputPc.apply(ParDo.of(fn).withSideInputs(singletonView)); |
| |
| UncommittedBundle<Integer> outputBundle = bundleFactory.createBundle(output); |
| when(evaluationContext.createBundle(output)).thenReturn(outputBundle); |
| |
| ParDoEvaluator<Integer> evaluator = createEvaluator(singletonView, fn, inputPc, output); |
| |
| IntervalWindow nonGlobalWindow = new IntervalWindow(new Instant(0), new Instant(10_000L)); |
| WindowedValue<Integer> first = WindowedValue.valueInGlobalWindow(3); |
| WindowedValue<Integer> second = |
| WindowedValue.of(2, new Instant(1234L), nonGlobalWindow, PaneInfo.NO_FIRING); |
| WindowedValue<Integer> third = |
| WindowedValue.of( |
| 1, |
| new Instant(2468L), |
| ImmutableList.of(nonGlobalWindow, GlobalWindow.INSTANCE), |
| PaneInfo.NO_FIRING); |
| |
| evaluator.processElement(first); |
| evaluator.processElement(second); |
| evaluator.processElement(third); |
| TransformResult<Integer> result = evaluator.finishBundle(); |
| |
| assertThat( |
| result.getUnprocessedElements(), |
| Matchers.<WindowedValue<?>>containsInAnyOrder( |
| second, WindowedValue.of(1, new Instant(2468L), nonGlobalWindow, PaneInfo.NO_FIRING))); |
| assertThat(result.getOutputBundles(), Matchers.contains(outputBundle)); |
| assertThat(fn.processed, containsInAnyOrder(1, 3)); |
| assertThat( |
| Iterables.getOnlyElement(result.getOutputBundles()).commit(Instant.now()).getElements(), |
| containsInAnyOrder( |
| first.withValue(8), |
| WindowedValue.timestampedValueInGlobalWindow(6, new Instant(2468L)))); |
| } |
| |
| private ParDoEvaluator<Integer> createEvaluator( |
| PCollectionView<Integer> singletonView, |
| RecorderFn fn, |
| PCollection<Integer> input, |
| PCollection<Integer> output) { |
| when(evaluationContext.createSideInputReader(ImmutableList.of(singletonView))) |
| .thenReturn(new ReadyInGlobalWindowReader()); |
| DirectExecutionContext executionContext = mock(DirectExecutionContext.class); |
| DirectStepContext stepContext = mock(DirectStepContext.class); |
| when(executionContext.getStepContext(Mockito.any(String.class))).thenReturn(stepContext); |
| when(stepContext.getTimerUpdate()).thenReturn(TimerUpdate.empty()); |
| when(evaluationContext.getExecutionContext( |
| Mockito.any(AppliedPTransform.class), Mockito.any(StructuralKey.class))) |
| .thenReturn(executionContext); |
| |
| DirectGraphs.performDirectOverrides(p); |
| @SuppressWarnings("unchecked") |
| AppliedPTransform<PCollection<Integer>, ?, ?> transform = |
| (AppliedPTransform<PCollection<Integer>, ?, ?>) DirectGraphs.getProducer(output); |
| return ParDoEvaluator.create( |
| evaluationContext, |
| PipelineOptionsFactory.create(), |
| stepContext, |
| transform, |
| input.getCoder(), |
| input.getWindowingStrategy(), |
| fn, |
| null /* key */, |
| ImmutableList.of(singletonView), |
| mainOutputTag, |
| additionalOutputTags, |
| ImmutableMap.of(mainOutputTag, output), |
| DoFnSchemaInformation.create(), |
| ParDoEvaluator.defaultRunnerFactory()); |
| } |
| |
| private static class RecorderFn extends DoFn<Integer, Integer> { |
| private Collection<Integer> processed; |
| private final PCollectionView<Integer> view; |
| |
| public RecorderFn(PCollectionView<Integer> view) { |
| processed = new ArrayList<>(); |
| this.view = view; |
| } |
| |
| @ProcessElement |
| public void processElement(ProcessContext c) throws Exception { |
| processed.add(c.element()); |
| c.output(c.element() + c.sideInput(view)); |
| } |
| } |
| |
| private static class ReadyInGlobalWindowReader implements ReadyCheckingSideInputReader { |
| @Override |
| @Nullable |
| public <T> T get(PCollectionView<T> view, BoundedWindow window) { |
| if (window.equals(GlobalWindow.INSTANCE)) { |
| return (T) (Integer) 5; |
| } |
| fail("Should only call get in the Global Window, others are not ready"); |
| throw new AssertionError("Unreachable"); |
| } |
| |
| @Override |
| public <T> boolean contains(PCollectionView<T> view) { |
| return true; |
| } |
| |
| @Override |
| public boolean isEmpty() { |
| return false; |
| } |
| |
| @Override |
| public boolean isReady(PCollectionView<?> view, BoundedWindow window) { |
| return window.equals(GlobalWindow.INSTANCE); |
| } |
| } |
| } |