/*
*
* 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.HBaseConfiguration;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.SmallTests;
import org.junit.Test;
import org.junit.experimental.categories.Category;
/**
* Test TestDynamicClassLoader
*/
@Category(SmallTests.class)
public class TestDynamicClassLoader {
private static final Log LOG = LogFactory.getLog(TestDynamicClassLoader.class);
private static final Configuration conf = HBaseConfiguration.create();
private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
static {
conf.set("hbase.dynamic.jars.dir", TEST_UTIL.getDataTestDir().toString());
}
@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, localDirPath());
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());
}
}
private String localDirPath() {
return conf.get("hbase.local.dir")
+ File.separator + "jars" + File.separator;
}
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(localDirPath(), jarFileName);
file.delete();
assertFalse("Should be deleted: " + file.getPath(), file.exists());
}
@org.junit.Rule
public org.apache.hadoop.hbase.ResourceCheckerJUnitRule cu =
new org.apache.hadoop.hbase.ResourceCheckerJUnitRule();
}