| /* |
| * 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.*; |
| |
| import java.io.File; |
| import java.util.Iterator; |
| |
| import org.apache.pig.PigServer; |
| import org.apache.pig.data.DataByteArray; |
| import org.apache.pig.data.Tuple; |
| import org.apache.pig.data.TupleFactory; |
| import org.junit.After; |
| import org.junit.AfterClass; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| /** |
| * Test "foreach alias generate *" |
| */ |
| public class TestForEachStar { |
| private static final String INPUT_FILE = "TestForEachStarInput"; |
| |
| @BeforeClass |
| public static void oneTimeSetup() throws Exception{ |
| String[] input = { "one\ttwo" }; |
| Util.createLocalInputFile(INPUT_FILE, input); |
| } |
| @AfterClass |
| public static void oneTimeTearDown() throws Exception { |
| new File(INPUT_FILE).delete(); |
| } |
| |
| |
| @Before |
| public void setUp() throws Exception { |
| |
| } |
| |
| |
| @After |
| public void tearDown() throws Exception { |
| } |
| |
| @Test |
| public void testForeachStarSchemaUnkown() throws Exception { |
| PigServer pig = new PigServer(Util.getLocalTestMode()); |
| String query = |
| " l1 = load '" + INPUT_FILE + "' ;" |
| + "f1 = foreach l1 generate * ;" |
| ; |
| Util.registerMultiLineQuery(pig, query); |
| pig.explain("f1",System.out); |
| Iterator<Tuple> it = pig.openIterator("f1"); |
| |
| |
| Tuple expectedResCharArray = (Tuple)Util.getPigConstant("('one','two')"); |
| Tuple expectedRes = TupleFactory.getInstance().newTuple(); |
| for(Object field : expectedResCharArray.getAll() ){ |
| expectedRes.append(new DataByteArray(field.toString())); |
| } |
| assertTrue("has output", it.hasNext()); |
| assertEquals(expectedRes, it.next()); |
| } |
| |
| |
| |
| } |