| /** |
| * 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.hadoop.streaming; |
| |
| import java.net.URL; |
| import java.net.URLClassLoader; |
| import java.net.MalformedURLException; |
| import org.junit.Test; |
| import static org.junit.Assert.*; |
| import org.apache.hadoop.conf.Configuration; |
| |
| /** |
| * Test Hadoop StreamUtil successfully returns a class loaded by the job conf |
| * but has no package name. |
| */ |
| public class TestClassWithNoPackage |
| { |
| private final String NAME = "ClassWithNoPackage"; |
| private final String JAR = "build/test/mapred/testjar/testjob.jar"; |
| |
| @Test |
| public void testGoodClassOrNull() throws MalformedURLException { |
| // Add testjob jar file to classpath. |
| Configuration conf = new Configuration(); |
| conf.setClassLoader(new URLClassLoader(new URL[]{new URL("file", null, JAR)}, |
| conf.getClassLoader())); |
| // Get class with no package name. |
| String defaultPackage = this.getClass().getPackage().getName(); |
| Class c = StreamUtil.goodClassOrNull(conf, NAME, defaultPackage); |
| assertNotNull("Class " + NAME + " not found!", c); |
| } |
| public static void main(String[]args) throws Exception |
| { |
| new TestClassWithNoPackage().testGoodClassOrNull(); |
| } |
| |
| } |