| /** |
| * 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.pig.tez; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| import org.apache.commons.io.FileUtils; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.pig.PigServer; |
| import org.apache.pig.builtin.RoundRobinPartitioner; |
| import org.apache.pig.test.Util; |
| import org.junit.AfterClass; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| /** |
| * Test class for tez specific behaviour tests |
| */ |
| public class TestTezJobExecution { |
| |
| private static final String TEST_DIR = Util.getTestDirectory(TestTezJobExecution.class); |
| |
| private PigServer pigServer; |
| |
| @BeforeClass |
| public static void oneTimeSetUp() throws Exception { |
| Util.deleteDirectory(new File(TEST_DIR)); |
| new File(TEST_DIR).mkdirs(); |
| } |
| |
| @AfterClass |
| public static void oneTimeTearDown() throws Exception { |
| Util.deleteDirectory(new File(TEST_DIR)); |
| } |
| |
| @Before |
| public void setUp() throws Exception { |
| pigServer = new PigServer(Util.getLocalTestMode()); |
| } |
| |
| @Test |
| public void testUnionParallelRoundRobinBatchSize() throws IOException { |
| String input = TEST_DIR + Path.SEPARATOR + "input1"; |
| String output = TEST_DIR + Path.SEPARATOR + "output1"; |
| Util.createInputFile(pigServer.getPigContext(), input, new String[] { |
| "1", "1", "1", "2", "2", "2" |
| }); |
| String query = "A = LOAD '" + input + "';" |
| + "B = LOAD '" + input + "';" |
| + "C = UNION A, B PARALLEL 2;" |
| + "STORE C into '" + output + "';"; |
| pigServer.getPigContext().getProperties().setProperty( |
| RoundRobinPartitioner.PIG_ROUND_ROBIN_PARTITIONER_BATCH_SIZE, "3"); |
| pigServer.registerQuery(query); |
| String part0 = FileUtils.readFileToString(new File(output + Path.SEPARATOR + "part-v002-o000-r-00000")); |
| String part1 = FileUtils.readFileToString(new File(output + Path.SEPARATOR + "part-v002-o000-r-00001")); |
| assertEquals("1\n1\n1\n1\n1\n1\n", part0); |
| assertEquals("2\n2\n2\n2\n2\n2\n", part1); |
| } |
| |
| } |