| /* |
| * 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.equalTo; |
| import static org.junit.Assert.assertThat; |
| |
| 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.values.WindowingStrategy; |
| import org.hamcrest.Matchers; |
| import org.joda.time.Duration; |
| import org.joda.time.Instant; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link LateDataUtils}. */ |
| @RunWith(JUnit4.class) |
| public class LateDataUtilsTest { |
| @Test |
| public void beforeEndOfGlobalWindowSame() { |
| FixedWindows windowFn = FixedWindows.of(Duration.standardMinutes(5)); |
| Duration allowedLateness = Duration.standardMinutes(2); |
| WindowingStrategy<?, ?> strategy = |
| WindowingStrategy.globalDefault() |
| .withWindowFn(windowFn) |
| .withAllowedLateness(allowedLateness); |
| |
| IntervalWindow window = windowFn.assignWindow(new Instant(10)); |
| assertThat( |
| LateDataUtils.garbageCollectionTime(window, strategy), |
| equalTo(window.maxTimestamp().plus(allowedLateness))); |
| } |
| |
| @Test |
| public void garbageCollectionTimeAfterEndOfGlobalWindow() { |
| FixedWindows windowFn = FixedWindows.of(Duration.standardMinutes(5)); |
| WindowingStrategy<?, ?> strategy = WindowingStrategy.globalDefault().withWindowFn(windowFn); |
| |
| IntervalWindow window = windowFn.assignWindow(new Instant(BoundedWindow.TIMESTAMP_MAX_VALUE)); |
| assertThat(window.maxTimestamp(), equalTo(GlobalWindow.INSTANCE.maxTimestamp())); |
| assertThat( |
| LateDataUtils.garbageCollectionTime(window, strategy), |
| equalTo(GlobalWindow.INSTANCE.maxTimestamp())); |
| } |
| |
| @Test |
| public void garbageCollectionTimeAfterEndOfGlobalWindowWithLateness() { |
| FixedWindows windowFn = FixedWindows.of(Duration.standardMinutes(5)); |
| Duration allowedLateness = Duration.millis(Long.MAX_VALUE); |
| WindowingStrategy<?, ?> strategy = |
| WindowingStrategy.globalDefault() |
| .withWindowFn(windowFn) |
| .withAllowedLateness(allowedLateness); |
| |
| IntervalWindow window = windowFn.assignWindow(new Instant(-100)); |
| assertThat( |
| window.maxTimestamp().plus(allowedLateness), |
| Matchers.greaterThan(GlobalWindow.INSTANCE.maxTimestamp())); |
| assertThat( |
| LateDataUtils.garbageCollectionTime(window, strategy), |
| equalTo(GlobalWindow.INSTANCE.maxTimestamp())); |
| } |
| } |