| /* |
| * 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.apache.pig.builtin.mock.Storage.resetData; |
| import static org.apache.pig.builtin.mock.Storage.tuple; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.PrintWriter; |
| import java.util.Iterator; |
| import java.util.jar.Attributes; |
| import java.util.jar.JarEntry; |
| import java.util.jar.JarOutputStream; |
| import java.util.jar.Manifest; |
| |
| import org.apache.pig.PigServer; |
| import org.apache.pig.builtin.mock.Storage; |
| import org.apache.pig.data.Tuple; |
| import org.junit.Test; |
| |
| public class TestPigServerWithMacros { |
| |
| @Test |
| public void testInlineMacro() throws Throwable { |
| PigServer pig = new PigServer(Util.getLocalTestMode()); |
| |
| Storage.Data data = resetData(pig); |
| data.set("some_path", "(l:chararray)", tuple("first row"), tuple("second row")); |
| |
| pig.registerQuery("DEFINE row_count(X) RETURNS Z { Y = group $X all; $Z = foreach Y generate COUNT($X); };"); |
| pig.registerQuery("a = load 'some_path' USING mock.Storage();"); |
| pig.registerQuery("b = row_count(a);"); |
| Iterator<Tuple> iter = pig.openIterator("b"); |
| |
| assertEquals(2L, ((Long)iter.next().get(0)).longValue()); |
| |
| pig.shutdown(); |
| } |
| |
| @Test |
| public void testRegisterResourceMacro() throws Throwable { |
| PigServer pig = new PigServer(Util.getLocalTestMode()); |
| |
| String macrosFile = "test/pig/macros.pig"; |
| File macrosJarFile = File.createTempFile("macros", ".jar"); |
| |
| System.out.println("Creating macros jar " + macrosJarFile); |
| |
| Manifest manifest = new Manifest(); |
| manifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0"); |
| |
| JarOutputStream jarStream = new JarOutputStream(new FileOutputStream(macrosJarFile), manifest); |
| |
| JarEntry jarEntry = new JarEntry(macrosFile); |
| jarEntry.setTime(System.currentTimeMillis()); |
| jarStream.putNextEntry(jarEntry); |
| |
| PrintWriter pw = new PrintWriter(jarStream); |
| pw.println("DEFINE row_count_in_jar(X) RETURNS Z { Y = group $X all; $Z = foreach Y generate COUNT($X); };"); |
| pw.close(); |
| |
| jarStream.close(); |
| |
| Storage.Data data = resetData(pig); |
| data.set("some_path", "(l:int)", tuple(tuple("1")), tuple(tuple("2")), tuple(tuple("3")), tuple(tuple("10")), tuple(tuple("11"))); |
| |
| System.out.println("Registering macros jar " + macrosJarFile); |
| pig.registerJar(macrosJarFile.toString()); |
| |
| pig.registerQuery("import '" + macrosFile + "';"); |
| pig.registerQuery("a = load 'some_path' USING mock.Storage();"); |
| pig.registerQuery("b = row_count_in_jar(a);"); |
| Iterator<Tuple> iter = pig.openIterator("b"); |
| |
| assertTrue(((Long)iter.next().get(0))==5); |
| |
| pig.shutdown(); |
| } |
| } |