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- /*
- * Copyright (C) 2012-present the original author or authors.
- *
- * Licensed 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.pf4j;
-
- import org.junit.jupiter.api.Test;
- import org.pf4j.plugin.FailTestExtension;
- import org.pf4j.plugin.TestExtension;
-
- import java.io.File;
- import java.net.MalformedURLException;
- import java.net.URL;
- import java.net.URLClassLoader;
-
- import static org.junit.jupiter.api.Assertions.assertNotSame;
- import static org.junit.jupiter.api.Assertions.assertSame;
-
- /**
- * @author Decebal Suiu
- * @author Ajith Kumar
- */
- public class SingletonExtensionFactoryTest {
-
- @Test
- public void create() {
- ExtensionFactory extensionFactory = new SingletonExtensionFactory();
- Object extensionOne = extensionFactory.create(TestExtension.class);
- Object extensionTwo = extensionFactory.create(TestExtension.class);
- assertSame(extensionOne, extensionTwo);
- }
-
- @Test
- public void createNewEachTime() {
- ExtensionFactory extensionFactory = new SingletonExtensionFactory(FailTestExtension.class.getName());
- Object extensionOne = extensionFactory.create(TestExtension.class);
- Object extensionTwo = extensionFactory.create(TestExtension.class);
- assertNotSame(extensionOne, extensionTwo);
- }
-
- @Test
- @SuppressWarnings("unchecked")
- public void createNewEachTimeFromDifferentClassLoaders() throws Exception {
- ExtensionFactory extensionFactory = new SingletonExtensionFactory();
-
- // Get classpath locations
- URL[] classpathReferences = getClasspathReferences();
-
- // Create different classloaders for the classpath references and load classes respectively
- ClassLoader klassLoaderOne = new URLClassLoader(classpathReferences, null);
- Class klassOne = klassLoaderOne.loadClass(TestExtension.class.getName());
- ClassLoader klassLoaderTwo = new URLClassLoader(classpathReferences, null);
- Class klassTwo = klassLoaderTwo.loadClass(TestExtension.class.getName());
-
- // create instances
- Object instanceOne = extensionFactory.create(klassOne);
- Object instanceTwo = extensionFactory.create(klassTwo);
-
- // assert that instances not same
- assertNotSame(instanceOne, instanceTwo);
- }
-
- private URL[] getClasspathReferences() throws MalformedURLException {
- String classpathProperty = System.getProperty("java.class.path");
-
- String[] classpaths = classpathProperty.split(":");
- URL[] uris = new URL[classpaths.length];
-
- for (int index = 0; index < classpaths.length; index++) {
- uris[index] = new File(classpaths[index]).toURI().toURL();
- }
- return uris;
- }
-
- }
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