1   /*
2    * Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved.
3    * 
4    * This software is open source. 
5    * See the bottom of this file for the licence.
6    * 
7    * $Id: TestXPath.java,v 1.22 2004/06/25 08:03:47 maartenc Exp $
8    */
9   
10  package org.dom4j;
11  
12  import java.util.List;
13  
14  import junit.framework.Test;
15  import junit.framework.TestSuite;
16  import junit.textui.TestRunner;
17  
18  import org.dom4j.tree.DefaultElement;
19  import org.dom4j.xpath.DefaultXPath;
20  
21  /*** A test harness to test XPath expression evaluation in DOM4J
22    *
23    * @author <a href="mailto:james.strachan@metastuff.com">James Strachan</a>
24    * @version $Revision: 1.22 $
25    */
26  
27  public class TestXPath extends AbstractTestCase {
28  
29      protected static boolean VERBOSE = true;
30  
31      protected static String[] paths =
32          {
33              ".",
34              "*",
35              "/",
36              "/.",
37              "/*",
38              "/node()",
39              "/child::node()",
40              "/self::node()",
41              "root",
42              "/root",
43              "/root/author",
44              "text()",
45              "//author",
46              "//author/text()",
47              "//@location",
48              "//attribute::*",
49              "//namespace::*",
50              "normalize-space(/root)",
51              "//author[@location]",
52              "//author[@location='UK']",
53              "root|author",
54              "//*[.='James Strachan']",
55              "//root/author[1]",
56              "normalize-space(/root/author)",
57              "normalize-space(' a  b  c  d ')",
58              "//root|//author[1]|//author[2]",
59              "//root/author[2]",
60              "//root/author[3]" };
61  
62      public static void main(String[] args) {
63  
64          TestRunner.run(suite());
65  
66      }
67  
68      public static Test suite() {
69  
70          return new TestSuite(TestXPath.class);
71  
72      }
73  
74      public TestXPath(String name) {
75  
76          super(name);
77  
78      }
79  
80      // Test case(s)
81  
82      //-------------------------------------------------------------------------                    
83  
84      public void testXPaths() throws Exception {
85  
86          int size = paths.length;
87  
88          for (int i = 0; i < size; i++) {
89  
90              testXPath(paths[i]);
91  
92          }
93  
94      }
95  
96      public void testCreateXPathBug() throws Exception {
97  
98          Element element = new DefaultElement( "foo" );
99          XPath xpath = element.createXPath( "//bar" );        
100 
101         assertTrue("created a valid XPath: " + xpath != null );
102     }
103     
104     public void testBug857704() throws Exception {
105         Document doc = DocumentHelper.parseText("<foo xmlns:bar='http://blort'/>");
106         doc.selectNodes("//*[preceding-sibling::*]");       // shouldn't throw NPE
107     }
108 
109     public void testBooleanValueOf() throws Exception {
110         Document doc = DocumentHelper.parseText("<root><foo>blah</foo></root>");
111         
112         XPath path = new DefaultXPath("//root");
113         assertTrue(path.booleanValueOf(doc));
114         
115         path = new DefaultXPath("//root2");
116         assertFalse(path.booleanValueOf(doc));
117     }
118 
119     // Implementation methods
120 
121     //-------------------------------------------------------------------------                    
122 
123     protected void testXPath(String xpathExpression) {
124 
125         log("Searched path: " + xpathExpression);
126 
127         XPath xpath = DocumentHelper.createXPath(xpathExpression);
128 
129         List list = xpath.selectNodes(document);
130 
131         log("Found        : " + list.size() + " result(s)");
132 
133         if (VERBOSE) {
134 
135             log("...........................................");
136 
137             log("XPath:       :" + xpath);
138 
139             log("...........................................");
140 
141         }
142 
143         log("Results");
144 
145         if (list == null) {
146 
147             log("null");
148 
149         }
150 
151         else {
152 
153             log("[");
154 
155             for (int i = 0, size = list.size(); i < size; i++) {
156 
157                 Object object = list.get(i);
158 
159                 String text = "null";
160 
161                 if (object instanceof Node) {
162 
163                     Node node = (Node) object;
164 
165                     text = node.asXML();
166 
167                 }
168 
169                 else if (object != null) {
170 
171                     text = object.toString();
172 
173                 }
174 
175                 log("    " + text);
176 
177             }
178 
179             log("]");
180 
181         }
182 
183         log("...........................................");
184 
185     }
186 
187 }
188 
189 /*
190  * Redistribution and use of this software and associated documentation
191  * ("Software"), with or without modification, are permitted provided
192  * that the following conditions are met:
193  *
194  * 1. Redistributions of source code must retain copyright
195  *    statements and notices.  Redistributions must also contain a
196  *    copy of this document.
197  *
198  * 2. Redistributions in binary form must reproduce the
199  *    above copyright notice, this list of conditions and the
200  *    following disclaimer in the documentation and/or other
201  *    materials provided with the distribution.
202  *
203  * 3. The name "DOM4J" must not be used to endorse or promote
204  *    products derived from this Software without prior written
205  *    permission of MetaStuff, Ltd.  For written permission,
206  *    please contact dom4j-info@metastuff.com.
207  *
208  * 4. Products derived from this Software may not be called "DOM4J"
209  *    nor may "DOM4J" appear in their names without prior written
210  *    permission of MetaStuff, Ltd. DOM4J is a registered
211  *    trademark of MetaStuff, Ltd.
212  *
213  * 5. Due credit should be given to the DOM4J Project - 
214  *    http://www.dom4j.org
215  *
216  * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS
217  * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
218  * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
219  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
220  * METASTUFF, LTD. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
221  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
222  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
223  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
224  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
225  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
226  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
227  * OF THE POSSIBILITY OF SUCH DAMAGE.
228  *
229  * Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved.
230  *
231  * $Id: TestXPath.java,v 1.22 2004/06/25 08:03:47 maartenc Exp $
232  */