| /* |
| * 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.apiary; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import com.google.api.services.dataflow.model.MapTask; |
| import com.google.api.services.dataflow.model.MultiOutputInfo; |
| import com.google.api.services.dataflow.model.ParDoInstruction; |
| import com.google.api.services.dataflow.model.ParallelInstruction; |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.apache.beam.sdk.fn.IdGenerators; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.ImmutableList; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link FixMultiOutputInfosOnParDoInstructions}. */ |
| @RunWith(JUnit4.class) |
| public class FixMultiOutputInfosOnParDoInstructionsTest { |
| @Rule public ExpectedException thrown = ExpectedException.none(); |
| |
| @Test |
| public void testExistingMultiOutputInfosAreUnmodified() { |
| FixMultiOutputInfosOnParDoInstructions function = |
| new FixMultiOutputInfosOnParDoInstructions(IdGenerators.decrementingLongs()); |
| MapTask output = function.apply(createMapTaskWithParDo(2, "5", "6")); |
| assertEquals(createMapTaskWithParDo(2, "5", "6"), output); |
| } |
| |
| @Test |
| public void testDefaultOutputIsAddedIfOnlySingleOutput() { |
| FixMultiOutputInfosOnParDoInstructions function = |
| new FixMultiOutputInfosOnParDoInstructions(IdGenerators.decrementingLongs()); |
| MapTask output = function.apply(createMapTaskWithParDo(1)); |
| assertEquals(createMapTaskWithParDo(1, "-1"), output); |
| } |
| |
| @Test |
| public void testDefaultOutputHasDifferentIdsForEachMapTask() { |
| FixMultiOutputInfosOnParDoInstructions function = |
| new FixMultiOutputInfosOnParDoInstructions(IdGenerators.decrementingLongs()); |
| MapTask output = function.apply(createMapTaskWithParDo(1)); |
| assertEquals(createMapTaskWithParDo(1, "-1"), output); |
| |
| output = function.apply(createMapTaskWithParDo(1)); |
| assertEquals(createMapTaskWithParDo(1, "-2"), output); |
| } |
| |
| @Test |
| public void testMissingTagsForMultipleOutputsThrows() { |
| FixMultiOutputInfosOnParDoInstructions function = |
| new FixMultiOutputInfosOnParDoInstructions(IdGenerators.decrementingLongs()); |
| thrown.expect(IllegalArgumentException.class); |
| thrown.expectMessage("Invalid ParDoInstruction"); |
| thrown.expectMessage("2 outputs specified"); |
| function.apply(createMapTaskWithParDo(2)); |
| } |
| |
| private static MapTask createMapTaskWithParDo(int numOutputs, String... tags) { |
| ParDoInstruction parDoInstruction = new ParDoInstruction(); |
| parDoInstruction.setNumOutputs(numOutputs); |
| List<MultiOutputInfo> multiOutputInfos = new ArrayList<>(tags.length); |
| for (String tag : tags) { |
| MultiOutputInfo multiOutputInfo = new MultiOutputInfo(); |
| multiOutputInfo.setTag(tag); |
| multiOutputInfos.add(multiOutputInfo); |
| } |
| parDoInstruction.setMultiOutputInfos(multiOutputInfos); |
| ParallelInstruction instruction = new ParallelInstruction(); |
| instruction.setParDo(parDoInstruction); |
| MapTask mapTask = new MapTask(); |
| mapTask.setInstructions(ImmutableList.of(instruction)); |
| return mapTask; |
| } |
| } |