| /** |
| * 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.ImmutableList; |
| import org.apache.crunch.fn.Aggregators; |
| import org.apache.crunch.impl.mem.MemPipeline; |
| import org.apache.crunch.impl.mr.MRPipeline; |
| import org.apache.crunch.impl.spark.SparkPipeline; |
| import org.apache.crunch.test.TemporaryPath; |
| import org.apache.crunch.types.PTypeFamily; |
| import org.apache.crunch.types.avro.AvroTypeFamily; |
| import org.apache.crunch.types.writable.WritableTypeFamily; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| import java.util.Map; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| public class CreateIT { |
| |
| @Rule |
| public TemporaryPath tmpDir = new TemporaryPath(); |
| |
| @Test |
| public void testMRWritable() throws Exception { |
| run(new MRPipeline(CreateIT.class, tmpDir.getDefaultConfiguration()), WritableTypeFamily.getInstance()); |
| } |
| |
| @Test |
| public void testMRAvro() throws Exception { |
| run(new MRPipeline(CreateIT.class, tmpDir.getDefaultConfiguration()), AvroTypeFamily.getInstance()); |
| } |
| |
| @Test |
| public void testMemWritable() throws Exception { |
| run(MemPipeline.getInstance(), WritableTypeFamily.getInstance()); |
| } |
| |
| @Test |
| public void testMemAvro() throws Exception { |
| run(MemPipeline.getInstance(), AvroTypeFamily.getInstance()); |
| } |
| |
| @Test |
| public void testSparkWritable() throws Exception { |
| run(new SparkPipeline("local", "CreateIT", CreateIT.class, tmpDir.getDefaultConfiguration()), |
| WritableTypeFamily.getInstance()); |
| } |
| |
| @Test |
| public void testSparkAvro() throws Exception { |
| run(new SparkPipeline("local", "CreateIT", CreateIT.class, tmpDir.getDefaultConfiguration()), |
| AvroTypeFamily.getInstance()); |
| } |
| |
| public static void run(Pipeline p, PTypeFamily ptf) { |
| PTable<String, Long> in = p.create( |
| ImmutableList.of( |
| Pair.of("a", 2L), Pair.of("b", 3L), Pair.of("c", 5L), |
| Pair.of("a", 1L), Pair.of("b", 8L), Pair.of("c", 7L)), |
| ptf.tableOf(ptf.strings(), ptf.longs()), |
| CreateOptions.nameAndParallelism("in", 2)); |
| PTable<String, Long> out = in.groupByKey().combineValues(Aggregators.SUM_LONGS()); |
| Map<String, Long> values = out.materializeToMap(); |
| assertEquals(3, values.size()); |
| assertEquals(3L, values.get("a").longValue()); |
| assertEquals(11L, values.get("b").longValue()); |
| assertEquals(12L, values.get("c").longValue()); |
| p.done(); |
| } |
| } |