/* * 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.dolphinscheduler.common.plugin; import org.junit.Before; import org.junit.Test; import java.net.URL; import static org.junit.Assert.*; public class PluginClassLoaderTest { private PluginClassLoader pluginClassLoader; private ClassLoader parent; @Before public void setUp() { parent = Thread.currentThread().getContextClassLoader(); pluginClassLoader = new PluginClassLoader( new URL[]{}, parent, null, null); } @Test public void loadClassNull() { Class clazz = null; try { clazz = pluginClassLoader.loadClass("java.lang.Object"); } catch (ClassNotFoundException e) { e.printStackTrace(); } assertEquals(null, clazz.getClassLoader()); } @Test public void loadClassApp() { Class clazz = null; try { clazz = pluginClassLoader.loadClass("org.apache.dolphinscheduler.common.Constants"); } catch (ClassNotFoundException e) { e.printStackTrace(); } assertEquals(parent, clazz.getClassLoader()); } }