1 /*
2 * $Header: /home/cvs/jakarta-commons/betwixt/src/test/org/apache/commons/betwixt/introspection/TestXMLIntrospector.java,v 1.4 2003/01/11 10:38:55 dion Exp $
3 * $Revision: 1.4 $
4 * $Date: 2003/01/11 10:38:55 $
5 *
6 * ====================================================================
7 *
8 * The Apache Software License, Version 1.1
9 *
10 * Copyright (c) 1999-2002 The Apache Software Foundation. All rights
11 * reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 *
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 *
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in
22 * the documentation and/or other materials provided with the
23 * distribution.
24 *
25 * 3. The end-user documentation included with the redistribution, if
26 * any, must include the following acknowlegement:
27 * "This product includes software developed by the
28 * Apache Software Foundation (http://www.apache.org/)."
29 * Alternately, this acknowlegement may appear in the software itself,
30 * if and wherever such third-party acknowlegements normally appear.
31 *
32 * 4. The names "The Jakarta Project", "Commons", and "Apache Software
33 * Foundation" must not be used to endorse or promote products derived
34 * from this software without prior written permission. For written
35 * permission, please contact apache@apache.org.
36 *
37 * 5. Products derived from this software may not be called "Apache"
38 * nor may "Apache" appear in their names without prior written
39 * permission of the Apache Group.
40 *
41 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
42 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
44 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
47 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
48 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
49 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
50 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
51 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * SUCH DAMAGE.
53 * ====================================================================
54 *
55 * This software consists of voluntary contributions made by many
56 * individuals on behalf of the Apache Software Foundation. For more
57 * information on the Apache Software Foundation, please see
58 * <http://www.apache.org/>.
59 *
60 * $Id: TestXMLIntrospector.java,v 1.4 2003/01/11 10:38:55 dion Exp $
61 */
62 package org.apache.commons.betwixt.introspection;
63
64 import java.io.StringWriter;
65
66 import java.beans.Introspector;
67 import java.beans.PropertyDescriptor;
68 import java.beans.BeanInfo;
69
70 import junit.framework.Test;
71 import junit.framework.TestSuite;
72 import junit.textui.TestRunner;
73
74 import org.apache.commons.betwixt.registry.DefaultXMLBeanInfoRegistry;
75 import org.apache.commons.betwixt.registry.NoCacheRegistry;
76
77 import org.apache.commons.betwixt.XMLBeanInfo;
78 import org.apache.commons.betwixt.XMLIntrospector;
79 import org.apache.commons.betwixt.AbstractTestCase;
80 import org.apache.commons.betwixt.ElementDescriptor;
81 import org.apache.commons.betwixt.AttributeDescriptor;
82
83 import org.apache.commons.betwixt.io.BeanWriter;
84
85
86 /*** Test harness for the XMLIntrospector
87 *
88 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
89 * @version $Revision: 1.4 $
90 */
91 public class TestXMLIntrospector extends AbstractTestCase {
92
93 public static void main( String[] args ) {
94 TestRunner.run( suite() );
95 }
96
97 public static Test suite() {
98 return new TestSuite(TestXMLIntrospector.class);
99 }
100
101 public TestXMLIntrospector(String testName) {
102 super(testName);
103 }
104
105 public void testIntrospector() throws Exception {
106 XMLIntrospector introspector = new XMLIntrospector();
107 introspector.setAttributesForPrimitives(true);
108
109 Object bean = createBean();
110
111 XMLBeanInfo info = introspector.introspect( bean );
112
113 assertTrue( "Found XMLBeanInfo", info != null );
114
115 ElementDescriptor descriptor = info.getElementDescriptor();
116
117 assertTrue( "Found root element descriptor", descriptor != null );
118
119 AttributeDescriptor[] attributes = descriptor.getAttributeDescriptors();
120
121 assertTrue( "Found attributes", attributes != null && attributes.length > 0 );
122
123 // test second introspection with caching on
124 info = introspector.introspect( bean );
125
126 assertTrue( "Found XMLBeanInfo", info != null );
127
128 descriptor = info.getElementDescriptor();
129
130 assertTrue( "Found root element descriptor", descriptor != null );
131
132 attributes = descriptor.getAttributeDescriptors();
133
134 assertTrue( "Found attributes", attributes != null && attributes.length > 0 );
135
136
137 // test introspection with caching off
138 //introspector.setCachingEnabled(false);
139 introspector.setRegistry(new NoCacheRegistry());
140 info = introspector.introspect( bean );
141
142 assertTrue( "Found XMLBeanInfo", info != null );
143
144 descriptor = info.getElementDescriptor();
145
146 assertTrue( "Found root element descriptor", descriptor != null );
147
148 attributes = descriptor.getAttributeDescriptors();
149
150 assertTrue( "Found attributes", attributes != null && attributes.length > 0 );
151
152
153 // test introspection after flushing cache
154 // introspector.setCachingEnabled(true);
155 introspector.setRegistry(new DefaultXMLBeanInfoRegistry());
156 //introspector.flushCache();
157 info = introspector.introspect( bean );
158
159 assertTrue( "Found XMLBeanInfo", info != null );
160
161 descriptor = info.getElementDescriptor();
162
163 assertTrue( "Found root element descriptor", descriptor != null );
164
165 attributes = descriptor.getAttributeDescriptors();
166
167 assertTrue( "Found attributes", attributes != null && attributes.length > 0 );
168
169 }
170
171 public void testBeanWithBeanInfo() throws Exception {
172
173 // let's check that bean info's ok
174 BeanInfo bwbiBeanInfo = Introspector.getBeanInfo(BeanWithBeanInfoBean.class);
175
176 PropertyDescriptor[] propertyDescriptors = bwbiBeanInfo.getPropertyDescriptors();
177
178 assertEquals("Wrong number of properties", 2 , propertyDescriptors.length);
179
180 // order of properties isn't guarenteed
181 if ("alpha".equals(propertyDescriptors[0].getName())) {
182
183 assertEquals("Second property name", "gamma" , propertyDescriptors[1].getName());
184
185 } else {
186
187 assertEquals("First property name", "gamma" , propertyDescriptors[0].getName());
188 assertEquals("Second property name", "alpha" , propertyDescriptors[1].getName());
189 }
190
191 // finished with the descriptors
192 propertyDescriptors = null;
193
194 // SimpleLog log = new SimpleLog("[testBeanWithBeanInfo:XMLIntrospector]");
195 // log.setLevel(SimpleLog.LOG_LEVEL_TRACE);
196
197 XMLIntrospector introspector = new XMLIntrospector();
198 introspector.setAttributesForPrimitives(false);
199 // introspector.setLog(log);
200
201 XMLBeanInfo xmlBeanInfo = introspector.introspect(BeanWithBeanInfoBean.class);
202
203 ElementDescriptor[] elementDescriptors = xmlBeanInfo.getElementDescriptor().getElementDescriptors();
204
205 // log = new SimpleLog("[testBeanWithBeanInfo]");
206 // log.setLevel(SimpleLog.LOG_LEVEL_DEBUG);
207
208 // log.debug("XMLBeanInfo:");
209 // log.debug(xmlBeanInfo);
210 // log.debug("Elements:");
211 // log.debug(elementDescriptors[0].getPropertyName());
212 // log.debug(elementDescriptors[1].getPropertyName());
213
214 assertEquals("Wrong number of elements", 2 , elementDescriptors.length);
215
216 // order of properties isn't guarenteed
217 boolean alphaFirst = true;
218 if ("alpha".equals(elementDescriptors[0].getPropertyName())) {
219
220 assertEquals("Second element name", "gamma" , elementDescriptors[1].getPropertyName());
221
222 } else {
223 alphaFirst = false;
224 assertEquals("First element name", "gamma" , elementDescriptors[0].getPropertyName());
225 assertEquals("Second element name", "alpha" , elementDescriptors[1].getPropertyName());
226 }
227
228 // might as well give test output
229 StringWriter out = new StringWriter();
230 BeanWriter writer = new BeanWriter(out);
231 writer.setWriteIDs(false);
232 BeanWithBeanInfoBean bean = new BeanWithBeanInfoBean("alpha value","beta value","gamma value");
233 writer.write(bean);
234
235 if (alphaFirst) {
236
237 xmlAssertIsomorphicContent(
238 parseFile("src/test/org/apache/commons/betwixt/introspection/test-bwbi-output-a.xml"),
239 parseString(out.toString()));
240
241 } else {
242 xmlAssertIsomorphicContent(
243 parseFile("src/test/org/apache/commons/betwixt/introspection/test-bwbi-output-g.xml"),
244 parseString(out.toString()));
245 }
246 }
247 }
248
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