/**
* 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.impl.mr;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.when;
import java.io.IOException;
import org.apache.crunch.PipelineExecution;
import org.apache.crunch.PipelineResult;
import org.apache.crunch.SourceTarget;
import org.apache.crunch.impl.dist.collect.PCollectionImpl;
import org.apache.crunch.impl.mr.run.RuntimeParameters;
import org.apache.crunch.io.ReadableSourceTarget;
import org.apache.crunch.types.avro.Avros;
import org.apache.hadoop.conf.Configuration;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;
@RunWith(MockitoJUnitRunner.class)
public class MRPipelineTest {
@Rule
public TemporaryFolder tempDir = new TemporaryFolder();
@Mock
private PCollectionImpl<String> pcollection;
@Mock
private ReadableSourceTarget<String> readableSourceTarget;
@Mock
private SourceTarget<String> nonReadableSourceTarget;
private MRPipeline pipeline;
@Before
public void setUp() throws IOException {
Configuration conf = new Configuration();
conf.set(RuntimeParameters.TMP_DIR, tempDir.getRoot().getAbsolutePath());
pipeline = spy(new MRPipeline(MRPipelineTest.class, conf));
}
@Test
public void testGetMaterializeSourceTarget_AlreadyMaterialized() {
when(pcollection.getMaterializedAt()).thenReturn(readableSourceTarget);
assertEquals(readableSourceTarget, pipeline.getMaterializeSourceTarget(pcollection));
}
@Test
public void testGetMaterializeSourceTarget_NotMaterialized_HasOutput() {
when(pcollection.getPType()).thenReturn(Avros.strings());
doReturn(readableSourceTarget).when(pipeline).createIntermediateOutput(Avros.strings());
when(pcollection.getMaterializedAt()).thenReturn(null);
assertEquals(readableSourceTarget, pipeline.getMaterializeSourceTarget(pcollection));
}
@Test(expected = IllegalArgumentException.class)
public void testGetMaterializeSourceTarget_NotMaterialized_NotReadableSourceTarget() {
when(pcollection.getPType()).thenReturn(Avros.strings());
doReturn(nonReadableSourceTarget).when(pipeline).createIntermediateOutput(Avros.strings());
when(pcollection.getMaterializedAt()).thenReturn(null);
pipeline.getMaterializeSourceTarget(pcollection);
}
@Test
public void testDonePipeline_NoOutputTargets() {
PipelineResult res = pipeline.done();
assertTrue(res.succeeded());
assertEquals(PipelineExecution.Status.SUCCEEDED,res.status);
}
}