| /** |
| * 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.crunch; |
| |
| import com.google.common.collect.ImmutableMap; |
| import org.apache.crunch.impl.spark.SparkPipeline; |
| import org.apache.crunch.test.CrunchTestSupport; |
| import org.junit.Test; |
| |
| import java.util.Map; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| |
| public class SparkPipelineCallableIT extends CrunchTestSupport { |
| @Test |
| public void testSparkShakes() throws Exception { |
| run(new SparkPipeline("local", "PC", SparkPipelineCallableIT.class, tempDir.getDefaultConfiguration()), |
| tempDir.copyResourceFileName("shakes.txt"), false /* fail */); |
| } |
| |
| @Test |
| public void testFailure() throws Exception { |
| run(new SparkPipeline("local", "PC", SparkPipelineCallableIT.class, tempDir.getDefaultConfiguration()), |
| tempDir.copyResourceFileName("shakes.txt"), true /* fail */); |
| } |
| |
| public static int INC1 = 0; |
| public static int INC2 = 0; |
| |
| public static void run(Pipeline p, final String input, final boolean fail) { |
| |
| PTable<String, Long> top3 = p.sequentialDo(new PipelineCallable<PCollection<String>>() { |
| @Override |
| public Status call() { |
| INC1 = 17; |
| return fail ? Status.FAILURE : Status.SUCCESS; |
| } |
| |
| @Override |
| public PCollection<String> getOutput(Pipeline pipeline) { |
| return pipeline.readTextFile(input); |
| } |
| }.named("first")) |
| .sequentialDo("onInput", new PipelineCallable<PCollection<String>>() { |
| @Override |
| protected PCollection<String> getOutput(Pipeline pipeline) { |
| return getOnlyPCollection(); |
| } |
| |
| @Override |
| public Status call() throws Exception { |
| return Status.SUCCESS; |
| } |
| }) |
| .count() |
| .sequentialDo("label", new PipelineCallable<PTable<String, Long>>() { |
| @Override |
| public Status call() { |
| INC2 = 29; |
| if (getPCollection("label") != null) { |
| return Status.SUCCESS; |
| } |
| return Status.FAILURE; |
| } |
| |
| @Override |
| public PTable<String, Long> getOutput(Pipeline pipeline) { |
| return (PTable<String, Long>) getOnlyPCollection(); |
| } |
| }.named("second")) |
| .top(3); |
| |
| if (fail) { |
| assertFalse(p.run().succeeded()); |
| } else { |
| Map<String, Long> counts = top3.materializeToMap(); |
| assertEquals(ImmutableMap.of("", 788L, "Enter Macbeth.", 7L, "Exeunt.", 21L), counts); |
| assertEquals(17, INC1); |
| assertEquals(29, INC2); |
| } |
| p.done(); |
| } |
| } |