| /* |
| * 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.dataflow.worker; |
| |
| import static com.google.api.client.util.Base64.encodeBase64String; |
| import static org.apache.beam.runners.dataflow.util.Structs.addString; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.google.api.services.dataflow.model.Source; |
| import org.apache.beam.runners.dataflow.util.CloudObject; |
| import org.apache.beam.runners.dataflow.util.CloudObjects; |
| import org.apache.beam.runners.dataflow.worker.util.common.worker.NativeReader; |
| import org.apache.beam.sdk.coders.BigEndianIntegerCoder; |
| import org.apache.beam.sdk.coders.Coder; |
| import org.apache.beam.sdk.coders.IterableCoder; |
| import org.apache.beam.sdk.coders.KvCoder; |
| import org.apache.beam.sdk.coders.StringUtf8Coder; |
| import org.apache.beam.sdk.coders.VoidCoder; |
| import org.apache.beam.sdk.options.PipelineOptionsFactory; |
| import org.apache.beam.sdk.transforms.windowing.IntervalWindow; |
| import org.apache.beam.sdk.transforms.windowing.IntervalWindow.IntervalWindowCoder; |
| import org.apache.beam.sdk.util.WindowedValue.FullWindowedValueCoder; |
| import org.apache.beam.sdk.util.WindowedValue.WindowedValueCoder; |
| import org.checkerframework.checker.nullness.qual.Nullable; |
| import org.hamcrest.core.IsInstanceOf; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** |
| * Tests for UngroupedShuffleReaderFactory, GroupingShuffleReaderFactory, and |
| * PartitioningShuffleReaderFactory. |
| */ |
| @RunWith(JUnit4.class) |
| @SuppressWarnings({ |
| "rawtypes", // TODO(https://issues.apache.org/jira/browse/BEAM-10556) |
| "unchecked", |
| }) |
| public class ShuffleReaderFactoryTest { |
| <T extends NativeReader> T runTestCreateShuffleReader( |
| byte[] shuffleReaderConfig, |
| @Nullable String start, |
| @Nullable String end, |
| CloudObject encoding, |
| BatchModeExecutionContext context, |
| Class<T> shuffleReaderClass, |
| String shuffleSourceAlias) |
| throws Exception { |
| CloudObject spec = CloudObject.forClassName(shuffleSourceAlias); |
| addString(spec, "shuffle_reader_config", encodeBase64String(shuffleReaderConfig)); |
| if (start != null) { |
| addString(spec, "start_shuffle_position", start); |
| } |
| if (end != null) { |
| addString(spec, "end_shuffle_position", end); |
| } |
| |
| Source cloudSource = new Source(); |
| cloudSource.setSpec(spec); |
| cloudSource.setCodec(encoding); |
| |
| NativeReader<?> reader = |
| ReaderRegistry.defaultRegistry() |
| .create(cloudSource, PipelineOptionsFactory.create(), context, null); |
| assertThat(reader, new IsInstanceOf(shuffleReaderClass)); |
| return (T) reader; |
| } |
| |
| void runTestCreateUngroupedShuffleReader( |
| byte[] shuffleReaderConfig, @Nullable String start, @Nullable String end, Coder<?> coder) |
| throws Exception { |
| UngroupedShuffleReader ungroupedShuffleReader = |
| runTestCreateShuffleReader( |
| shuffleReaderConfig, |
| start, |
| end, |
| CloudObjects.asCloudObject(coder, /*sdkComponents=*/ null), |
| BatchModeExecutionContext.forTesting(PipelineOptionsFactory.create(), "testStage"), |
| UngroupedShuffleReader.class, |
| "UngroupedShuffleSource"); |
| Assert.assertArrayEquals(shuffleReaderConfig, ungroupedShuffleReader.shuffleReaderConfig); |
| Assert.assertEquals(start, ungroupedShuffleReader.startShufflePosition); |
| Assert.assertEquals(end, ungroupedShuffleReader.stopShufflePosition); |
| |
| Assert.assertEquals(coder, ungroupedShuffleReader.coder); |
| } |
| |
| void runTestCreateGroupingShuffleReader( |
| byte[] shuffleReaderConfig, |
| @Nullable String start, |
| @Nullable String end, |
| Coder<?> keyCoder, |
| Coder<?> valueCoder) |
| throws Exception { |
| BatchModeExecutionContext context = |
| BatchModeExecutionContext.forTesting(PipelineOptionsFactory.create(), "testStage"); |
| GroupingShuffleReader groupingShuffleReader = |
| runTestCreateShuffleReader( |
| shuffleReaderConfig, |
| start, |
| end, |
| CloudObjects.asCloudObject( |
| FullWindowedValueCoder.of( |
| KvCoder.of(keyCoder, IterableCoder.of(valueCoder)), IntervalWindowCoder.of()), |
| /*sdkComponents=*/ null), |
| context, |
| GroupingShuffleReader.class, |
| "GroupingShuffleSource"); |
| Assert.assertArrayEquals(shuffleReaderConfig, groupingShuffleReader.shuffleReaderConfig); |
| Assert.assertEquals(start, groupingShuffleReader.startShufflePosition); |
| Assert.assertEquals(end, groupingShuffleReader.stopShufflePosition); |
| |
| Assert.assertEquals(keyCoder, groupingShuffleReader.keyCoder); |
| Assert.assertEquals(valueCoder, groupingShuffleReader.valueCoder); |
| Assert.assertEquals(context, groupingShuffleReader.executionContext); |
| } |
| |
| void runTestCreatePartitioningShuffleReader( |
| byte[] shuffleReaderConfig, |
| @Nullable String start, |
| @Nullable String end, |
| Coder<?> keyCoder, |
| WindowedValueCoder<?> windowedValueCoder) |
| throws Exception { |
| PartitioningShuffleReader partitioningShuffleReader = |
| runTestCreateShuffleReader( |
| shuffleReaderConfig, |
| start, |
| end, |
| CloudObjects.asCloudObject( |
| FullWindowedValueCoder.of( |
| KvCoder.of(keyCoder, windowedValueCoder.getValueCoder()), |
| IntervalWindowCoder.of()), |
| /*sdkComponents=*/ null), |
| BatchModeExecutionContext.forTesting(PipelineOptionsFactory.create(), "testStage"), |
| PartitioningShuffleReader.class, |
| "PartitioningShuffleSource"); |
| Assert.assertArrayEquals(shuffleReaderConfig, partitioningShuffleReader.shuffleReaderConfig); |
| Assert.assertEquals(start, partitioningShuffleReader.startShufflePosition); |
| Assert.assertEquals(end, partitioningShuffleReader.stopShufflePosition); |
| |
| Assert.assertEquals(keyCoder, partitioningShuffleReader.keyCoder); |
| Assert.assertEquals(windowedValueCoder, partitioningShuffleReader.windowedValueCoder); |
| } |
| |
| @Test |
| public void testCreatePlainUngroupedShuffleReader() throws Exception { |
| runTestCreateUngroupedShuffleReader(new byte[] {(byte) 0xE1}, null, null, StringUtf8Coder.of()); |
| } |
| |
| @Test |
| public void testCreateRichUngroupedShuffleReader() throws Exception { |
| runTestCreateUngroupedShuffleReader( |
| new byte[] {(byte) 0xE2}, "aaa", "zzz", BigEndianIntegerCoder.of()); |
| } |
| |
| @Test |
| public void testCreatePlainGroupingShuffleReader() throws Exception { |
| runTestCreateGroupingShuffleReader( |
| new byte[] {(byte) 0xE1}, null, null, BigEndianIntegerCoder.of(), StringUtf8Coder.of()); |
| } |
| |
| @Test |
| public void testCreateRichGroupingShuffleReader() throws Exception { |
| runTestCreateGroupingShuffleReader( |
| new byte[] {(byte) 0xE2}, |
| "aaa", |
| "zzz", |
| BigEndianIntegerCoder.of(), |
| KvCoder.of(StringUtf8Coder.of(), VoidCoder.of())); |
| } |
| |
| @Test |
| public void testCreatePlainPartitioningShuffleReader() throws Exception { |
| runTestCreatePartitioningShuffleReader( |
| new byte[] {(byte) 0xE1}, |
| null, |
| null, |
| BigEndianIntegerCoder.of(), |
| FullWindowedValueCoder.of(StringUtf8Coder.of(), IntervalWindow.getCoder())); |
| } |
| |
| @Test |
| public void testCreateRichPartitioningShuffleReader() throws Exception { |
| runTestCreatePartitioningShuffleReader( |
| new byte[] {(byte) 0xE2}, |
| "aaa", |
| "zzz", |
| BigEndianIntegerCoder.of(), |
| FullWindowedValueCoder.of( |
| KvCoder.of(StringUtf8Coder.of(), VoidCoder.of()), IntervalWindow.getCoder())); |
| } |
| } |