TestJarFinder.java

/**
 * 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.util;

import org.apache.commons.logging.LogFactory;
import org.junit.Assert;
import org.junit.Test;

import java.io.File;

public class TestJarFinder {

  @Test
  public void testAppend() throws Exception {

    //picking a class that is for sure in a JAR in the classpath
    String jar = JarFinder.getJar(LogFactory.class);
    Assert.assertTrue(new File(jar).exists());

    //picking a class that is for sure in a directory in the classpath
    //in this case the JAR is created on the fly
    jar = JarFinder.getJar(TestJarFinder.class);
    Assert.assertTrue(new File(jar).exists());
  }

}