| /* |
| * 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.test; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.io.PrintStream; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Random; |
| |
| import org.apache.log4j.FileAppender; |
| import org.apache.log4j.Level; |
| import org.apache.log4j.Logger; |
| import org.apache.log4j.SimpleLayout; |
| import org.apache.pig.PigConfiguration; |
| import org.apache.pig.PigServer; |
| import org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler; |
| import org.junit.AfterClass; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class TestAutoLocalMode { |
| |
| static MiniCluster cluster = MiniCluster.buildCluster(); |
| private PigServer pigServer; |
| private File logFile; |
| |
| private String miniFileName; |
| private String smallFileName; |
| private String bigFileName; |
| |
| private File createInputFile(String filename, long minSizeInBytes) throws IOException { |
| File tmpFile = Util.createTempFileDelOnExit(filename, "txt"); |
| PrintStream ps = new PrintStream(new FileOutputStream(tmpFile)); |
| Random r = new Random(1); |
| int rand; |
| while (tmpFile.length() < minSizeInBytes) { |
| rand = r.nextInt(100); |
| ps.println(rand); |
| } |
| ps.close(); |
| return tmpFile; |
| } |
| |
| @SuppressWarnings("resource") |
| private boolean checkLogFileMessage(String[] messages) { |
| BufferedReader reader = null; |
| |
| try { |
| reader = new BufferedReader(new FileReader(logFile)); |
| List<String> logMessages=new ArrayList<String>(); |
| String line; |
| while ((line=reader.readLine())!=null) |
| { |
| logMessages.add(line); |
| } |
| // Messages should appear in the expected order |
| int i = 0; |
| for(String logMsg : logMessages) { |
| if (logMsg.contains(messages[i])) { |
| i++; |
| if(i == messages.length) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } catch (IOException e) { |
| return false; |
| } |
| } |
| |
| @Before |
| public void setUp() throws Exception{ |
| pigServer = new PigServer(cluster.getExecType(), cluster.getProperties()); |
| pigServer.getPigContext().getExecutionEngine().setProperty(PigConfiguration.PIG_OPT_FETCH, "false"); |
| pigServer.getPigContext().getExecutionEngine().setProperty(PigConfiguration.PIG_AUTO_LOCAL_ENABLED, String.valueOf("true")); |
| pigServer.getPigContext().getExecutionEngine().setProperty(PigConfiguration.PIG_AUTO_LOCAL_INPUT_MAXBYTES, "200"); |
| |
| Logger logger = Logger.getLogger(JobControlCompiler.class); |
| logger.removeAllAppenders(); |
| logger.setLevel(Level.INFO); |
| SimpleLayout layout = new SimpleLayout(); |
| logFile = File.createTempFile("log", ""); |
| FileAppender appender = new FileAppender(layout, logFile.toString(), false, false, 0); |
| logger.addAppender(appender); |
| |
| miniFileName = createInputFile("miniFile", 10).getAbsolutePath(); |
| smallFileName = createInputFile("smallFile", 100).getAbsolutePath(); |
| bigFileName = createInputFile("bigFile", 1000).getAbsolutePath(); |
| } |
| |
| @AfterClass |
| public static void oneTimeTearDown() throws Exception { |
| cluster.shutDown(); |
| } |
| |
| @Test |
| public void testSmallJob() throws IOException { |
| pigServer.registerQuery("A = LOAD '" |
| + Util.generateURI(smallFileName, pigServer |
| .getPigContext()) + "' AS (num:int);"); |
| pigServer.registerQuery("B = filter A by 1 == 0;"); |
| pigServer.openIterator("B"); |
| |
| assertTrue(checkLogFileMessage(new String[]{JobControlCompiler.SMALL_JOB_LOG_MSG})); |
| } |
| |
| @Test |
| public void testBigJob() throws IOException { |
| pigServer.registerQuery("A = LOAD '" |
| + Util.generateURI(bigFileName, pigServer |
| .getPigContext()) + "' AS (num:int);"); |
| pigServer.registerQuery("B = filter A by 1 == 0;"); |
| pigServer.openIterator("B"); |
| |
| assertTrue(checkLogFileMessage(new String[]{JobControlCompiler.BIG_JOB_LOG_MSG})); |
| } |
| |
| @Test |
| public void testReplicatedJoin() throws IOException { |
| pigServer.registerQuery("A1 = LOAD '" |
| + Util.generateURI(smallFileName, pigServer |
| .getPigContext()) + "' AS (num:int);"); |
| pigServer.registerQuery("A2 = LOAD '" |
| + Util.generateURI(miniFileName, pigServer |
| .getPigContext()) + "' AS (num:int);"); |
| pigServer.registerQuery("A = join A1 by num, A2 by num using 'replicated';"); |
| pigServer.registerQuery("B = filter A by 1 == 0;"); |
| pigServer.openIterator("B"); |
| |
| assertTrue(checkLogFileMessage(new String[]{JobControlCompiler.SMALL_JOB_LOG_MSG})); |
| } |
| |
| @Test |
| public void testOrderBy() throws IOException { |
| pigServer.registerQuery("A1 = LOAD '" |
| + Util.generateURI(bigFileName, pigServer |
| .getPigContext()) + "' AS (num:int);"); |
| pigServer.registerQuery("A = filter A1 by num == 1;"); |
| pigServer.registerQuery("B = order A by num;"); |
| pigServer.openIterator("B"); |
| |
| assertTrue(checkLogFileMessage(new String[]{ |
| JobControlCompiler.BIG_JOB_LOG_MSG, |
| JobControlCompiler.SMALL_JOB_LOG_MSG, |
| JobControlCompiler.SMALL_JOB_LOG_MSG})); |
| } |
| |
| |
| } |