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*
* 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.hbase.util;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.fail;
import java.io.File;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseCommonTestingUtility;
import org.apache.hadoop.hbase.testclassification.MiscTests;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.junit.Test;
import org.junit.Before;
import org.junit.experimental.categories.Category;
/**
* Test TestDynamicClassLoader
*/
@Category({MiscTests.class, SmallTests.class})
public class TestDynamicClassLoader {
private static final Log LOG = LogFactory.getLog(TestDynamicClassLoader.class);
private static final HBaseCommonTestingUtility TEST_UTIL = new HBaseCommonTestingUtility();
private Configuration conf;
static {
TEST_UTIL.getConfiguration().set(
"hbase.dynamic.jars.dir", TEST_UTIL.getDataTestDir().toString());
}
@Before
public void initializeConfiguration() {
conf = new Configuration(TEST_UTIL.getConfiguration());
}
@Test
public void testLoadClassFromLocalPath() throws Exception {
ClassLoader parent = TestDynamicClassLoader.class.getClassLoader();
DynamicClassLoader classLoader = new DynamicClassLoader(conf, parent);
String className = "TestLoadClassFromLocalPath";
deleteClass(className);
try {
classLoader.loadClass(className);
fail("Should not be able to load class " + className);
} catch (ClassNotFoundException cnfe) {
// expected, move on
}
try {
String folder = TEST_UTIL.getDataTestDir().toString();
ClassLoaderTestHelper.buildJar(
folder, className, null, ClassLoaderTestHelper.localDirPath(conf));
classLoader.loadClass(className);
} catch (ClassNotFoundException cnfe) {
LOG.error("Should be able to load class " + className, cnfe);
fail(cnfe.getMessage());
}
}
@Test
public void testLoadClassFromAnotherPath() throws Exception {
ClassLoader parent = TestDynamicClassLoader.class.getClassLoader();
DynamicClassLoader classLoader = new DynamicClassLoader(conf, parent);
String className = "TestLoadClassFromAnotherPath";
deleteClass(className);
try {
classLoader.loadClass(className);
fail("Should not be able to load class " + className);
} catch (ClassNotFoundException cnfe) {
// expected, move on
}
try {
String folder = TEST_UTIL.getDataTestDir().toString();
ClassLoaderTestHelper.buildJar(folder, className, null);
classLoader.loadClass(className);
} catch (ClassNotFoundException cnfe) {
LOG.error("Should be able to load class " + className, cnfe);
fail(cnfe.getMessage());
}
}
@Test
public void testLoadClassFromLocalPathWithDynamicDirOff() throws Exception {
conf.setBoolean("hbase.use.dynamic.jars", false);
ClassLoader parent = TestDynamicClassLoader.class.getClassLoader();
DynamicClassLoader classLoader = new DynamicClassLoader(conf, parent);
String className = "TestLoadClassFromLocalPath";
deleteClass(className);
try {
String folder = TEST_UTIL.getDataTestDir().toString();
ClassLoaderTestHelper.buildJar(
folder, className, null, ClassLoaderTestHelper.localDirPath(conf));
classLoader.loadClass(className);
fail("Should not be able to load class " + className);
} catch (ClassNotFoundException cnfe) {
// expected, move on
}
}
private void deleteClass(String className) throws Exception {
String jarFileName = className + ".jar";
File file = new File(TEST_UTIL.getDataTestDir().toString(), jarFileName);
file.delete();
assertFalse("Should be deleted: " + file.getPath(), file.exists());
file = new File(conf.get("hbase.dynamic.jars.dir"), jarFileName);
file.delete();
assertFalse("Should be deleted: " + file.getPath(), file.exists());
file = new File(ClassLoaderTestHelper.localDirPath(conf), jarFileName);
file.delete();
assertFalse("Should be deleted: " + file.getPath(), file.exists());
}
}