| /* |
| * 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.core; |
| |
| import static org.hamcrest.Matchers.contains; |
| import static org.hamcrest.Matchers.containsInAnyOrder; |
| import static org.hamcrest.Matchers.emptyIterable; |
| import static org.hamcrest.Matchers.equalTo; |
| import static org.hamcrest.Matchers.is; |
| import static org.junit.Assert.assertThat; |
| import static org.mockito.Mockito.when; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.apache.beam.runners.core.TimerInternals.TimerData; |
| import org.apache.beam.sdk.state.TimeDomain; |
| 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.Sum; |
| 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.vendor.guava.v20_0.com.google.common.collect.ImmutableList; |
| 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 SimplePushbackSideInputDoFnRunner}. */ |
| @RunWith(JUnit4.class) |
| public class SimplePushbackSideInputDoFnRunnerTest { |
| @Mock private ReadyCheckingSideInputReader reader; |
| private TestDoFnRunner<Integer, Integer> underlying; |
| private PCollectionView<Integer> singletonView; |
| |
| @Rule public TestPipeline p = TestPipeline.create().enableAbandonedNodeEnforcement(false); |
| |
| @Before |
| public void setup() { |
| MockitoAnnotations.initMocks(this); |
| PCollection<Integer> created = p.apply(Create.of(1, 2, 3)); |
| singletonView = |
| created |
| .apply(Window.into(new IdentitySideInputWindowFn())) |
| .apply(Sum.integersGlobally().asSingletonView()); |
| |
| underlying = new TestDoFnRunner<>(); |
| } |
| |
| private SimplePushbackSideInputDoFnRunner<Integer, Integer> createRunner( |
| ImmutableList<PCollectionView<?>> views) { |
| SimplePushbackSideInputDoFnRunner<Integer, Integer> runner = |
| SimplePushbackSideInputDoFnRunner.create(underlying, views, reader); |
| runner.startBundle(); |
| return runner; |
| } |
| |
| @Test |
| public void startFinishBundleDelegates() { |
| PushbackSideInputDoFnRunner runner = createRunner(ImmutableList.of(singletonView)); |
| |
| assertThat(underlying.started, is(true)); |
| assertThat(underlying.finished, is(false)); |
| runner.finishBundle(); |
| assertThat(underlying.finished, is(true)); |
| } |
| |
| @Test |
| public void processElementSideInputNotReady() { |
| when(reader.isReady(Mockito.eq(singletonView), Mockito.any(BoundedWindow.class))) |
| .thenReturn(false); |
| |
| SimplePushbackSideInputDoFnRunner<Integer, Integer> runner = |
| createRunner(ImmutableList.of(singletonView)); |
| |
| WindowedValue<Integer> oneWindow = |
| WindowedValue.of( |
| 2, |
| new Instant(-2), |
| new IntervalWindow(new Instant(-500L), new Instant(0L)), |
| PaneInfo.ON_TIME_AND_ONLY_FIRING); |
| Iterable<WindowedValue<Integer>> oneWindowPushback = |
| runner.processElementInReadyWindows(oneWindow); |
| assertThat(oneWindowPushback, containsInAnyOrder(oneWindow)); |
| assertThat(underlying.inputElems, emptyIterable()); |
| } |
| |
| @Test |
| public void processElementSideInputNotReadyMultipleWindows() { |
| when(reader.isReady(Mockito.eq(singletonView), Mockito.any(BoundedWindow.class))) |
| .thenReturn(false); |
| |
| SimplePushbackSideInputDoFnRunner<Integer, Integer> runner = |
| createRunner(ImmutableList.of(singletonView)); |
| |
| WindowedValue<Integer> multiWindow = |
| WindowedValue.of( |
| 2, |
| new Instant(-2), |
| ImmutableList.of( |
| new IntervalWindow(new Instant(-500L), new Instant(0L)), |
| new IntervalWindow(BoundedWindow.TIMESTAMP_MIN_VALUE, new Instant(250L)), |
| GlobalWindow.INSTANCE), |
| PaneInfo.ON_TIME_AND_ONLY_FIRING); |
| Iterable<WindowedValue<Integer>> multiWindowPushback = |
| runner.processElementInReadyWindows(multiWindow); |
| assertThat(multiWindowPushback, equalTo(multiWindow.explodeWindows())); |
| assertThat(underlying.inputElems, emptyIterable()); |
| } |
| |
| @Test |
| public void processElementSideInputNotReadySomeWindows() { |
| when(reader.isReady(Mockito.eq(singletonView), Mockito.eq(GlobalWindow.INSTANCE))) |
| .thenReturn(false); |
| when(reader.isReady( |
| Mockito.eq(singletonView), |
| org.mockito.AdditionalMatchers.not(Mockito.eq(GlobalWindow.INSTANCE)))) |
| .thenReturn(true); |
| |
| SimplePushbackSideInputDoFnRunner<Integer, Integer> runner = |
| createRunner(ImmutableList.of(singletonView)); |
| |
| IntervalWindow littleWindow = new IntervalWindow(new Instant(-500L), new Instant(0L)); |
| IntervalWindow bigWindow = |
| new IntervalWindow(BoundedWindow.TIMESTAMP_MIN_VALUE, new Instant(250L)); |
| WindowedValue<Integer> multiWindow = |
| WindowedValue.of( |
| 2, |
| new Instant(-2), |
| ImmutableList.of(littleWindow, bigWindow, GlobalWindow.INSTANCE), |
| PaneInfo.NO_FIRING); |
| Iterable<WindowedValue<Integer>> multiWindowPushback = |
| runner.processElementInReadyWindows(multiWindow); |
| assertThat( |
| multiWindowPushback, |
| containsInAnyOrder(WindowedValue.timestampedValueInGlobalWindow(2, new Instant(-2L)))); |
| assertThat( |
| underlying.inputElems, |
| containsInAnyOrder( |
| WindowedValue.of( |
| 2, new Instant(-2), ImmutableList.of(littleWindow), PaneInfo.NO_FIRING), |
| WindowedValue.of(2, new Instant(-2), ImmutableList.of(bigWindow), PaneInfo.NO_FIRING))); |
| } |
| |
| @Test |
| public void processElementSideInputReadyAllWindows() { |
| when(reader.isReady(Mockito.eq(singletonView), Mockito.any(BoundedWindow.class))) |
| .thenReturn(true); |
| |
| ImmutableList<PCollectionView<?>> views = ImmutableList.of(singletonView); |
| SimplePushbackSideInputDoFnRunner<Integer, Integer> runner = createRunner(views); |
| |
| WindowedValue<Integer> multiWindow = |
| WindowedValue.of( |
| 2, |
| new Instant(-2), |
| ImmutableList.of( |
| new IntervalWindow(new Instant(-500L), new Instant(0L)), |
| new IntervalWindow(BoundedWindow.TIMESTAMP_MIN_VALUE, new Instant(250L)), |
| GlobalWindow.INSTANCE), |
| PaneInfo.ON_TIME_AND_ONLY_FIRING); |
| Iterable<WindowedValue<Integer>> multiWindowPushback = |
| runner.processElementInReadyWindows(multiWindow); |
| assertThat(multiWindowPushback, emptyIterable()); |
| assertThat( |
| underlying.inputElems, |
| containsInAnyOrder(ImmutableList.copyOf(multiWindow.explodeWindows()).toArray())); |
| } |
| |
| @Test |
| public void processElementNoSideInputs() { |
| SimplePushbackSideInputDoFnRunner<Integer, Integer> runner = createRunner(ImmutableList.of()); |
| |
| WindowedValue<Integer> multiWindow = |
| WindowedValue.of( |
| 2, |
| new Instant(-2), |
| ImmutableList.of( |
| new IntervalWindow(new Instant(-500L), new Instant(0L)), |
| new IntervalWindow(BoundedWindow.TIMESTAMP_MIN_VALUE, new Instant(250L)), |
| GlobalWindow.INSTANCE), |
| PaneInfo.ON_TIME_AND_ONLY_FIRING); |
| Iterable<WindowedValue<Integer>> multiWindowPushback = |
| runner.processElementInReadyWindows(multiWindow); |
| assertThat(multiWindowPushback, emptyIterable()); |
| // Should preserve the compressed representation when there's no side inputs. |
| assertThat(underlying.inputElems, containsInAnyOrder(multiWindow)); |
| } |
| |
| /** Tests that a call to onTimer gets delegated. */ |
| @Test |
| public void testOnTimerCalled() { |
| PushbackSideInputDoFnRunner<Integer, Integer> runner = createRunner(ImmutableList.of()); |
| |
| String timerId = "fooTimer"; |
| IntervalWindow window = new IntervalWindow(new Instant(4), new Instant(16)); |
| Instant timestamp = new Instant(72); |
| |
| // Mocking is not easily compatible with annotation analysis, so we manually record |
| // the method call. |
| runner.onTimer(timerId, window, new Instant(timestamp), TimeDomain.EVENT_TIME); |
| |
| assertThat( |
| underlying.firedTimers, |
| contains( |
| TimerData.of( |
| timerId, |
| StateNamespaces.window(IntervalWindow.getCoder(), window), |
| timestamp, |
| TimeDomain.EVENT_TIME))); |
| } |
| |
| private static class TestDoFnRunner<InputT, OutputT> implements DoFnRunner<InputT, OutputT> { |
| List<WindowedValue<InputT>> inputElems; |
| List<TimerData> firedTimers; |
| private boolean started = false; |
| private boolean finished = false; |
| |
| @Override |
| public DoFn<InputT, OutputT> getFn() { |
| return null; |
| } |
| |
| @Override |
| public void startBundle() { |
| started = true; |
| inputElems = new ArrayList<>(); |
| firedTimers = new ArrayList<>(); |
| } |
| |
| @Override |
| public void processElement(WindowedValue<InputT> elem) { |
| inputElems.add(elem); |
| } |
| |
| @Override |
| public void onTimer( |
| String timerId, BoundedWindow window, Instant timestamp, TimeDomain timeDomain) { |
| firedTimers.add( |
| TimerData.of( |
| timerId, |
| StateNamespaces.window(IntervalWindow.getCoder(), (IntervalWindow) window), |
| timestamp, |
| timeDomain)); |
| } |
| |
| @Override |
| public void finishBundle() { |
| finished = true; |
| } |
| } |
| } |