| /* |
| * 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.construction; |
| |
| import static org.hamcrest.Matchers.equalTo; |
| import static org.junit.Assert.assertThat; |
| |
| import com.google.auto.value.AutoValue; |
| import org.apache.beam.model.pipeline.v1.RunnerApi; |
| import org.apache.beam.sdk.transforms.windowing.AfterWatermark; |
| import org.apache.beam.sdk.transforms.windowing.FixedWindows; |
| import org.apache.beam.sdk.transforms.windowing.Sessions; |
| import org.apache.beam.sdk.transforms.windowing.SlidingWindows; |
| import org.apache.beam.sdk.transforms.windowing.TimestampCombiner; |
| import org.apache.beam.sdk.transforms.windowing.Trigger; |
| import org.apache.beam.sdk.transforms.windowing.Window.ClosingBehavior; |
| import org.apache.beam.sdk.transforms.windowing.WindowFn; |
| import org.apache.beam.sdk.values.WindowingStrategy; |
| import org.apache.beam.sdk.values.WindowingStrategy.AccumulationMode; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.ImmutableList; |
| import org.joda.time.Duration; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameter; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| /** Unit tests for {@link WindowingStrategy}. */ |
| @RunWith(Parameterized.class) |
| public class WindowingStrategyTranslationTest { |
| |
| // Each spec activates tests of all subsets of its fields |
| @AutoValue |
| abstract static class ToProtoAndBackSpec { |
| abstract WindowingStrategy getWindowingStrategy(); |
| } |
| |
| private static ToProtoAndBackSpec toProtoAndBackSpec(WindowingStrategy windowingStrategy) { |
| return new AutoValue_WindowingStrategyTranslationTest_ToProtoAndBackSpec(windowingStrategy); |
| } |
| |
| private static final WindowFn<?, ?> REPRESENTATIVE_WINDOW_FN = |
| FixedWindows.of(Duration.millis(12)); |
| |
| private static final Trigger REPRESENTATIVE_TRIGGER = AfterWatermark.pastEndOfWindow(); |
| |
| @Parameters(name = "{index}: {0}") |
| public static Iterable<ToProtoAndBackSpec> data() { |
| return ImmutableList.of( |
| toProtoAndBackSpec(WindowingStrategy.globalDefault()), |
| toProtoAndBackSpec( |
| WindowingStrategy.of( |
| FixedWindows.of(Duration.millis(11)).withOffset(Duration.millis(3)))), |
| toProtoAndBackSpec( |
| WindowingStrategy.of( |
| SlidingWindows.of(Duration.millis(37)) |
| .every(Duration.millis(3)) |
| .withOffset(Duration.millis(2)))), |
| toProtoAndBackSpec(WindowingStrategy.of(Sessions.withGapDuration(Duration.millis(389)))), |
| toProtoAndBackSpec( |
| WindowingStrategy.of(REPRESENTATIVE_WINDOW_FN) |
| .withClosingBehavior(ClosingBehavior.FIRE_ALWAYS) |
| .withMode(AccumulationMode.ACCUMULATING_FIRED_PANES) |
| .withTrigger(REPRESENTATIVE_TRIGGER) |
| .withAllowedLateness(Duration.millis(71)) |
| .withTimestampCombiner(TimestampCombiner.EARLIEST)), |
| toProtoAndBackSpec( |
| WindowingStrategy.of(REPRESENTATIVE_WINDOW_FN) |
| .withClosingBehavior(ClosingBehavior.FIRE_IF_NON_EMPTY) |
| .withMode(AccumulationMode.DISCARDING_FIRED_PANES) |
| .withTrigger(REPRESENTATIVE_TRIGGER) |
| .withAllowedLateness(Duration.millis(93)) |
| .withTimestampCombiner(TimestampCombiner.LATEST)), |
| toProtoAndBackSpec( |
| WindowingStrategy.of(REPRESENTATIVE_WINDOW_FN) |
| .withClosingBehavior(ClosingBehavior.FIRE_IF_NON_EMPTY) |
| .withMode(AccumulationMode.RETRACTING_FIRED_PANES) |
| .withTrigger(REPRESENTATIVE_TRIGGER) |
| .withAllowedLateness(Duration.millis(100)) |
| .withTimestampCombiner(TimestampCombiner.LATEST))); |
| } |
| |
| @Parameter(0) |
| public ToProtoAndBackSpec toProtoAndBackSpec; |
| |
| @Test |
| public void testToProtoAndBack() throws Exception { |
| WindowingStrategy<?, ?> windowingStrategy = toProtoAndBackSpec.getWindowingStrategy(); |
| SdkComponents components = SdkComponents.create(); |
| components.registerEnvironment(Environments.createDockerEnvironment("java")); |
| WindowingStrategy<?, ?> toProtoAndBackWindowingStrategy = |
| WindowingStrategyTranslation.fromProto( |
| WindowingStrategyTranslation.toMessageProto(windowingStrategy, components)); |
| |
| assertThat( |
| toProtoAndBackWindowingStrategy, |
| equalTo((WindowingStrategy) windowingStrategy.fixDefaults())); |
| } |
| |
| @Test |
| public void testToProtoAndBackWithComponents() throws Exception { |
| WindowingStrategy<?, ?> windowingStrategy = toProtoAndBackSpec.getWindowingStrategy(); |
| SdkComponents components = SdkComponents.create(); |
| components.registerEnvironment(Environments.createDockerEnvironment("java")); |
| RunnerApi.WindowingStrategy proto = |
| WindowingStrategyTranslation.toProto(windowingStrategy, components); |
| RehydratedComponents protoComponents = |
| RehydratedComponents.forComponents(components.toComponents()); |
| |
| assertThat( |
| WindowingStrategyTranslation.fromProto(proto, protoComponents).fixDefaults(), |
| equalTo(windowingStrategy.fixDefaults())); |
| |
| protoComponents.getCoder( |
| components.registerCoder(windowingStrategy.getWindowFn().windowCoder())); |
| assertThat( |
| proto.getAssignsToOneWindow(), |
| equalTo(windowingStrategy.getWindowFn().assignsToOneWindow())); |
| } |
| } |