1 package org.codehaus.classworlds; 2 3 /* 4 $Id: ConfiguratorInheritanceTest.java,v 1.2 2003/07/30 14:02:21 bwalding Exp $ 5 6 Copyright 2002 (C) The Werken Company. All Rights Reserved. 7 8 Redistribution and use of this software and associated documentation 9 ("Software"), with or without modification, are permitted provided 10 that the following conditions are met: 11 12 1. Redistributions of source code must retain copyright 13 statements and notices. Redistributions must also contain a 14 copy of this document. 15 16 2. Redistributions in binary form must reproduce the 17 above copyright notice, this list of conditions and the 18 following disclaimer in the documentation and/or other 19 materials provided with the distribution. 20 21 3. The name "classworlds" must not be used to endorse or promote 22 products derived from this Software without prior written 23 permission of The Werken Company. For written permission, 24 please contact bob@werken.com. 25 26 4. Products derived from this Software may not be called "classworlds" 27 nor may "classworlds" appear in their names without prior written 28 permission of The Werken Company. "classworlds" is a registered 29 trademark of The Werken Company. 30 31 5. Due credit should be given to The Werken Company. 32 (http://classworlds.werken.com/). 33 34 THIS SOFTWARE IS PROVIDED BY THE WERKEN COMPANY AND CONTRIBUTORS 35 ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT 36 NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 37 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 38 THE WERKEN COMPANY OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 39 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 40 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 41 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 42 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 43 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 44 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 45 OF THE POSSIBILITY OF SUCH DAMAGE. 46 47 */ 48 49 import junit.framework.TestCase; 50 51 import java.io.File; 52 import java.io.FileInputStream; 53 import java.net.URL; 54 import java.net.MalformedURLException; 55 56 public class ConfiguratorInheritanceTest extends TestCase 57 { 58 private Launcher launcher; 59 private Configurator configurator; 60 61 public ConfiguratorInheritanceTest(String name) 62 { 63 super( name ); 64 } 65 66 public void setUp() 67 { 68 this.launcher = new Launcher(); 69 this.configurator = new Configurator( this.launcher ); 70 } 71 72 public void tearDown() 73 { 74 this.launcher = null; 75 this.configurator = null; 76 } 77 78 public void testConfigure_Inheritance() throws Exception 79 { 80 this.configurator.configure( getConfigPath( "inheritance.conf" ) ); 81 82 ClassWorld classWorld = launcher.getWorld(); 83 84 // Now let's look for a class in: 85 // 86 // 1. root.maven.plugin 87 // 2. root.maven.plugins's parent which is root.maven 88 // 3. root.maven's parent which is root 89 // 90 ClassRealm rootMavenPlugin = classWorld.getRealm( "root.maven.plugin" ); 91 92 // Comes form root.maven.plugin realm. 93 assertNotNull( rootMavenPlugin.loadClass( "c.C") ); 94 95 // Comes from the root.maven realm. 96 assertNotNull( rootMavenPlugin.loadClass( "b.B") ); 97 98 // Comes from the root realm. 99 assertNotNull( rootMavenPlugin.loadClass( "a.A") ); 100 101 // Create a child realm that inherits from mommy. 102 ClassRealm checkstyleRealm = rootMavenPlugin.createChildRealm( "checkstyle" ); 103 assertNotNull( checkstyleRealm ); 104 105 // Add a constituent. 106 checkstyleRealm.addConstituent( getJarUrl( "d.jar" ) ); 107 108 // Load from class from the child realm. We are looking for 109 // a class in the constituent we just added. 110 assertNotNull( checkstyleRealm.loadClass( "d.D" ) ); 111 112 // Now load a class that we hope to find in a parent realm. 113 assertNotNull( checkstyleRealm.loadClass( "a.A" ) ); 114 115 // Now make sure the classloaders themselves are inheriting correctly. 116 assertNotNull( checkstyleRealm.getClassLoader().loadClass( "d.D" ) ); 117 assertNotNull( checkstyleRealm.getClassLoader().loadClass( "a.A" ) ); 118 119 // Test inherited search for resources. 120 assertNotNull( checkstyleRealm.getResource( "a.properties" ) ); 121 122 } 123 124 private FileInputStream getConfigPath(String name) 125 throws Exception 126 { 127 return new FileInputStream( new File( new File( System.getProperty( "basedir" ), "target/test-data" ), name ) ) ; 128 } 129 130 protected URL getJarUrl(String jarName) throws MalformedURLException 131 { 132 return new File( new File( System.getProperty( "basedir" ), 133 "target/test-data" ), 134 jarName ).toURL(); 135 } 136 }

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