| /* |
| * 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.assertEquals; |
| |
| import java.io.File; |
| import java.io.FileWriter; |
| import java.util.Iterator; |
| |
| import org.apache.pig.ExecType; |
| import org.apache.pig.PigServer; |
| import org.apache.pig.data.Tuple; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class TestUDFWithoutParameter { |
| |
| static String[] ScriptStatement = { "A = LOAD 'test/org/apache/pig/test/data/passwd' USING PigStorage();", |
| "B = FOREACH A GENERATE org.apache.pig.test.utils.MyUDFWithoutParameter();" }; |
| |
| static File TempScriptFile = null; |
| |
| @Before |
| public void setUp() throws Exception { |
| TempScriptFile = File.createTempFile("temp_jira_753", ".pig"); |
| FileWriter writer=new FileWriter(TempScriptFile); |
| for (String line:ScriptStatement){ |
| writer.write(line+"\n"); |
| } |
| writer.close(); |
| } |
| |
| @Test |
| public void testUDFWithoutParameter() throws Exception { |
| PigServer pig = new PigServer(Util.getLocalTestMode()); |
| pig.registerScript(TempScriptFile.getAbsolutePath()); |
| |
| Iterator<Tuple> iterator=pig.openIterator("B"); |
| int index=0; |
| while(iterator.hasNext()){ |
| Tuple tuple=iterator.next(); |
| index++; |
| int result=(Integer)tuple.get(0); |
| assertEquals(result, index); |
| } |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| TempScriptFile.delete(); |
| } |
| } |