| /* |
| * 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.piggybank.test.evaluation.string; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.PrintStream; |
| import java.util.Iterator; |
| |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.pig.ExecType; |
| import org.apache.pig.PigServer; |
| import org.apache.pig.backend.hadoop.datastorage.ConfigurationUtil; |
| import org.apache.pig.data.Tuple; |
| import org.apache.pig.test.MiniCluster; |
| import org.apache.pig.test.Util; |
| import org.junit.Test; |
| |
| import junit.framework.TestCase; |
| |
| public class TestLookupInFiles extends TestCase { |
| MiniCluster cluster = MiniCluster.buildCluster(); |
| private PigServer pigServer; |
| |
| @Override |
| public void setUp() throws Exception{ |
| pigServer = new PigServer(ExecType.MAPREDUCE, cluster.getProperties()); |
| } |
| @Test |
| public void testLookupInFiles() throws Exception { |
| File tmpFile = File.createTempFile("test", ".txt"); |
| PrintStream ps1 = new PrintStream(new FileOutputStream(tmpFile)); |
| |
| ps1.println("one"); |
| ps1.println("notexist"); |
| ps1.println("three"); |
| ps1.close(); |
| |
| File lookupFile1 = File.createTempFile("lookup", ".txt"); |
| PrintStream lps1 = new PrintStream(new FileOutputStream(lookupFile1)); |
| |
| lps1.println("one"); |
| lps1.println("two"); |
| lps1.println("three"); |
| lps1.close(); |
| |
| File lookupFile2 = File.createTempFile("lookup", "txt"); |
| PrintStream lps2 = new PrintStream(new FileOutputStream(lookupFile2)); |
| |
| lps2.println("one"); |
| lps2.println("ten"); |
| lps2.println("eleven"); |
| lps2.close(); |
| |
| FileSystem fs = FileSystem.get(ConfigurationUtil.toConfiguration(pigServer.getPigContext().getProperties())); |
| fs.copyFromLocalFile(new Path(lookupFile1.toString()), new Path("lookup1")); |
| fs.copyFromLocalFile(new Path(lookupFile1.toString()), new Path("lookup2")); |
| pigServer.registerQuery("A = LOAD '" + Util.generateURI(tmpFile.toString(), pigServer.getPigContext()) + "' AS (key:chararray);"); |
| pigServer.registerQuery("B = FOREACH A GENERATE org.apache.pig.piggybank.evaluation.string.LookupInFiles(key, 'lookup1', 'lookup2');"); |
| Iterator<Tuple> iter = pigServer.openIterator("B"); |
| |
| int r = (Integer)iter.next().get(0); |
| assertTrue(r==1); |
| r = (Integer)iter.next().get(0); |
| assertTrue(r==0); |
| } |
| } |