| /* |
| * 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.portable; |
| |
| import static org.hamcrest.Matchers.equalTo; |
| import static org.junit.Assert.assertThat; |
| |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| import org.apache.beam.model.pipeline.v1.RunnerApi.PTransform; |
| import org.apache.beam.runners.core.construction.graph.PipelineNode; |
| import org.apache.beam.runners.core.construction.graph.PipelineNode.PTransformNode; |
| import org.apache.beam.sdk.transforms.windowing.BoundedWindow; |
| import org.apache.beam.sdk.transforms.windowing.FixedWindows; |
| import org.apache.beam.sdk.transforms.windowing.GlobalWindow; |
| import org.apache.beam.sdk.transforms.windowing.IntervalWindow; |
| import org.apache.beam.sdk.transforms.windowing.WindowFn; |
| import org.apache.beam.sdk.values.WindowingStrategy; |
| import org.joda.time.Duration; |
| import org.joda.time.Instant; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link WatermarkCallbackExecutor}. */ |
| @RunWith(JUnit4.class) |
| public class WatermarkCallbackExecutorTest { |
| private WatermarkCallbackExecutor executor = |
| WatermarkCallbackExecutor.create(Executors.newSingleThreadExecutor()); |
| private PTransformNode create; |
| private PTransformNode sum; |
| |
| @Before |
| public void setup() { |
| create = |
| PipelineNode.pTransform( |
| "create", |
| PTransform.newBuilder() |
| .setUniqueName("create") |
| .putInputs("in", "impulse.out") |
| .putOutputs("out", "create.out") |
| .build()); |
| sum = |
| PipelineNode.pTransform( |
| "sum", |
| PTransform.newBuilder() |
| .setUniqueName("sum") |
| .putInputs("in", "create.in") |
| .putOutputs("out", "sum.out") |
| .build()); |
| } |
| |
| @Test |
| public void onGuaranteedFiringFiresAfterTrigger() throws Exception { |
| CountDownLatch latch = new CountDownLatch(1); |
| executor.callOnGuaranteedFiring( |
| create, |
| GlobalWindow.INSTANCE, |
| WindowingStrategy.globalDefault(), |
| new CountDownLatchCallback(latch)); |
| |
| executor.fireForWatermark(create, BoundedWindow.TIMESTAMP_MAX_VALUE); |
| assertThat(latch.await(500, TimeUnit.MILLISECONDS), equalTo(true)); |
| } |
| |
| @Test |
| public void multipleCallbacksShouldFireFires() throws Exception { |
| CountDownLatch latch = new CountDownLatch(2); |
| WindowFn<Object, IntervalWindow> windowFn = FixedWindows.of(Duration.standardMinutes(10)); |
| IntervalWindow window = |
| new IntervalWindow(new Instant(0L), new Instant(0L).plus(Duration.standardMinutes(10))); |
| executor.callOnGuaranteedFiring( |
| create, window, WindowingStrategy.of(windowFn), new CountDownLatchCallback(latch)); |
| executor.callOnGuaranteedFiring( |
| create, window, WindowingStrategy.of(windowFn), new CountDownLatchCallback(latch)); |
| |
| executor.fireForWatermark(create, new Instant(0L).plus(Duration.standardMinutes(10))); |
| assertThat(latch.await(500, TimeUnit.MILLISECONDS), equalTo(true)); |
| } |
| |
| @Test |
| public void noCallbacksShouldFire() throws Exception { |
| CountDownLatch latch = new CountDownLatch(1); |
| WindowFn<Object, IntervalWindow> windowFn = FixedWindows.of(Duration.standardMinutes(10)); |
| IntervalWindow window = |
| new IntervalWindow(new Instant(0L), new Instant(0L).plus(Duration.standardMinutes(10))); |
| executor.callOnGuaranteedFiring( |
| create, window, WindowingStrategy.of(windowFn), new CountDownLatchCallback(latch)); |
| |
| executor.fireForWatermark(create, new Instant(0L).plus(Duration.standardMinutes(5))); |
| assertThat(latch.await(500, TimeUnit.MILLISECONDS), equalTo(false)); |
| } |
| |
| @Test |
| public void unrelatedStepShouldNotFire() throws Exception { |
| CountDownLatch latch = new CountDownLatch(1); |
| WindowFn<Object, IntervalWindow> windowFn = FixedWindows.of(Duration.standardMinutes(10)); |
| IntervalWindow window = |
| new IntervalWindow(new Instant(0L), new Instant(0L).plus(Duration.standardMinutes(10))); |
| executor.callOnGuaranteedFiring( |
| sum, window, WindowingStrategy.of(windowFn), new CountDownLatchCallback(latch)); |
| |
| executor.fireForWatermark(create, new Instant(0L).plus(Duration.standardMinutes(20))); |
| assertThat(latch.await(500, TimeUnit.MILLISECONDS), equalTo(false)); |
| } |
| |
| private static class CountDownLatchCallback implements Runnable { |
| private final CountDownLatch latch; |
| |
| public CountDownLatchCallback(CountDownLatch latch) { |
| this.latch = latch; |
| } |
| |
| @Override |
| public void run() { |
| latch.countDown(); |
| } |
| } |
| } |