| /** |
| * 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 static org.mockito.Mockito.spy; |
| import static org.mockito.Mockito.when; |
| |
| import java.io.BufferedInputStream; |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.jar.JarOutputStream; |
| import java.util.regex.Pattern; |
| import java.util.zip.ZipEntry; |
| |
| import junit.framework.TestCase; |
| |
| import org.apache.hadoop.fs.FileUtil; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class TestRunJar extends TestCase { |
| private File TEST_ROOT_DIR; |
| |
| private static final String TEST_JAR_NAME="test-runjar.jar"; |
| private static final String TEST_JAR_2_NAME = "test-runjar2.jar"; |
| |
| @Override |
| @Before |
| protected void setUp() |
| throws Exception { |
| TEST_ROOT_DIR = |
| new File(System.getProperty("test.build.data", "/tmp"), getClass() |
| .getSimpleName()); |
| if (!TEST_ROOT_DIR.exists()) { |
| TEST_ROOT_DIR.mkdirs(); |
| } |
| |
| makeTestJar(); |
| } |
| |
| @Override |
| @After |
| protected void tearDown() { |
| FileUtil.fullyDelete(TEST_ROOT_DIR); |
| } |
| |
| /** |
| * Construct a jar with two files in it in our |
| * test dir. |
| */ |
| private void makeTestJar() throws IOException { |
| File jarFile = new File(TEST_ROOT_DIR, TEST_JAR_NAME); |
| JarOutputStream jstream = |
| new JarOutputStream(new FileOutputStream(jarFile)); |
| jstream.putNextEntry(new ZipEntry("foobar.txt")); |
| jstream.closeEntry(); |
| jstream.putNextEntry(new ZipEntry("foobaz.txt")); |
| jstream.closeEntry(); |
| jstream.close(); |
| } |
| |
| /** |
| * Test default unjarring behavior - unpack everything |
| */ |
| @Test |
| public void testUnJar() throws Exception { |
| File unjarDir = new File(TEST_ROOT_DIR, "unjar-all"); |
| assertFalse("unjar dir shouldn't exist at test start", |
| new File(unjarDir, "foobar.txt").exists()); |
| |
| // Unjar everything |
| RunJar.unJar(new File(TEST_ROOT_DIR, TEST_JAR_NAME), |
| unjarDir); |
| assertTrue("foobar unpacked", |
| new File(unjarDir, "foobar.txt").exists()); |
| assertTrue("foobaz unpacked", |
| new File(unjarDir, "foobaz.txt").exists()); |
| |
| } |
| |
| /** |
| * Test unjarring a specific regex |
| */ |
| public void testUnJarWithPattern() throws Exception { |
| File unjarDir = new File(TEST_ROOT_DIR, "unjar-pattern"); |
| assertFalse("unjar dir shouldn't exist at test start", |
| new File(unjarDir, "foobar.txt").exists()); |
| |
| // Unjar only a regex |
| RunJar.unJar(new File(TEST_ROOT_DIR, TEST_JAR_NAME), |
| unjarDir, |
| Pattern.compile(".*baz.*")); |
| assertFalse("foobar not unpacked", |
| new File(unjarDir, "foobar.txt").exists()); |
| assertTrue("foobaz unpacked", |
| new File(unjarDir, "foobaz.txt").exists()); |
| |
| } |
| |
| /** |
| * Tests the client classloader to verify the main class and its dependent |
| * class are loaded correctly by the application classloader, and others are |
| * loaded by the system classloader. |
| */ |
| @Test |
| public void testClientClassLoader() throws Throwable { |
| RunJar runJar = spy(new RunJar()); |
| // enable the client classloader |
| when(runJar.useClientClassLoader()).thenReturn(true); |
| // set the system classes and blacklist the test main class and the test |
| // third class so they can be loaded by the application classloader |
| String mainCls = ClassLoaderCheckMain.class.getName(); |
| String thirdCls = ClassLoaderCheckThird.class.getName(); |
| String systemClasses = "-" + mainCls + "," + |
| "-" + thirdCls + "," + |
| ApplicationClassLoader.DEFAULT_SYSTEM_CLASSES; |
| when(runJar.getSystemClasses()).thenReturn(systemClasses); |
| |
| // create the test jar |
| File testJar = makeClassLoaderTestJar(mainCls, thirdCls); |
| // form the args |
| String[] args = new String[3]; |
| args[0] = testJar.getAbsolutePath(); |
| args[1] = mainCls; |
| |
| // run RunJar |
| runJar.run(args); |
| // it should not throw an exception |
| } |
| |
| private File makeClassLoaderTestJar(String... clsNames) throws IOException { |
| File jarFile = new File(TEST_ROOT_DIR, TEST_JAR_2_NAME); |
| JarOutputStream jstream = |
| new JarOutputStream(new FileOutputStream(jarFile)); |
| for (String clsName: clsNames) { |
| String name = clsName.replace('.', '/') + ".class"; |
| InputStream entryInputStream = this.getClass().getResourceAsStream( |
| "/" + name); |
| ZipEntry entry = new ZipEntry(name); |
| jstream.putNextEntry(entry); |
| BufferedInputStream bufInputStream = new BufferedInputStream( |
| entryInputStream, 2048); |
| int count; |
| byte[] data = new byte[2048]; |
| while ((count = bufInputStream.read(data, 0, 2048)) != -1) { |
| jstream.write(data, 0, count); |
| } |
| jstream.closeEntry(); |
| } |
| jstream.close(); |
| |
| return jarFile; |
| } |
| } |