1 package org.codehaus.classworlds;
2
3 /*
4 $Id: DefaultClassRealmTest.java,v 1.1.1.1 2004/07/01 13:59:22 jvanzyl 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.net.URL;
53
54 public class DefaultClassRealmTest
55 extends TestCase
56 {
57 public DefaultClassRealmTest( String name )
58 {
59 super( name );
60 }
61
62 // ----------------------------------------------------------------------
63 // Class testing
64 // ----------------------------------------------------------------------
65
66 public void testLoadClassFromRealm()
67 throws Exception
68 {
69 DefaultClassRealm mainRealm = new DefaultClassRealm( new ClassWorld(), "main" );
70
71 mainRealm.addConstituent( getJarUrl( "component0-1.0.jar" ) );
72
73 mainRealm.loadClass( "org.codehaus.plexus.Component0" );
74 }
75
76 public void testLoadClassFromChildRealmWhereClassIsLocatedInParentRealm()
77 throws Exception
78 {
79 DefaultClassRealm mainRealm = new DefaultClassRealm( new ClassWorld(), "main" );
80
81 mainRealm.addConstituent( getJarUrl( "component0-1.0.jar" ) );
82
83 ClassRealm childRealm = mainRealm.createChildRealm( "child" );
84
85 childRealm.loadClass( "org.codehaus.plexus.Component0" );
86 }
87
88 public void testLoadClassFromChildRealmWhereClassIsLocatedInGrantParentRealm()
89 throws Exception
90 {
91 DefaultClassRealm mainRealm = new DefaultClassRealm( new ClassWorld(), "main" );
92
93 mainRealm.addConstituent( getJarUrl( "component0-1.0.jar" ) );
94
95 ClassRealm childRealm = mainRealm.createChildRealm( "child" );
96
97 ClassRealm grandchildRealm = childRealm.createChildRealm( "grandchild" );
98
99 grandchildRealm.loadClass( "org.codehaus.plexus.Component0" );
100 }
101
102 public void testLoadNonExistentClass()
103 throws Exception
104 {
105 DefaultClassRealm mainRealm = new DefaultClassRealm( new ClassWorld(), "main" );
106
107 mainRealm.addConstituent( getJarUrl( "component0-1.0.jar" ) );
108
109 try
110 {
111 mainRealm.loadClass( "org.foo.bar.NonExistentClass" );
112
113 fail( "A ClassNotFoundException should have been thrown!" );
114 }
115 catch ( ClassNotFoundException e )
116 {
117 }
118 }
119
120 public void testImport()
121 throws Exception
122 {
123 ClassWorld world = new ClassWorld();
124
125 ClassRealm r0 = world.newRealm( "r0" );
126
127 ClassRealm r1 = world.newRealm( "r1" );
128
129 r0.addConstituent( getJarUrl( "component0-1.0.jar" ) );
130
131 r1.importFrom( "r0", "org.codehaus.plexus" );
132
133 r1.loadClass( "org.codehaus.plexus.Component0" );
134 }
135
136 // ----------------------------------------------------------------------
137 // Resource testing
138 // ----------------------------------------------------------------------
139
140 public void testResource()
141 throws Exception
142 {
143 DefaultClassRealm mainRealm = new DefaultClassRealm( new ClassWorld(), "main" );
144
145 mainRealm.addConstituent( getJarUrl( "component0-1.0.jar" ) );
146
147 URL resource = mainRealm.getResource( "META-INF/plexus/components.xml" );
148
149 assertNotNull( resource );
150 }
151
152 // ----------------------------------------------------------------------
153 //
154 // ----------------------------------------------------------------------
155
156 protected URL getJarUrl( String jarName )
157 throws Exception
158 {
159 File jarFile = new File( System.getProperty( "basedir" ), "src/test-jars/" + jarName );
160
161 return jarFile.toURL();
162 }
163 }