1   /*
2    * $Header: /home/projects/jaxen/scm/jaxen/src/java/test/org/jaxen/dom4j/XPathTest.java,v 1.14 2005/04/20 22:40:42 elharo Exp $
3    * $Revision: 1.14 $
4    * $Date: 2005/04/20 22:40:42 $
5    *
6    * ====================================================================
7    *
8    * Copyright (C) 2000-2003 bob mcwhirter & James Strachan.
9    * All rights reserved.
10   *
11   * Redistribution and use in source and binary forms, with or without
12   * modification, are permitted provided that the following conditions
13   * are met:
14   * 
15   * 1. Redistributions of source code must retain the above copyright
16   *    notice, this list of conditions, and the following disclaimer.
17   *
18   * 2. Redistributions in binary form must reproduce the above copyright
19   *    notice, this list of conditions, and the disclaimer that follows 
20   *    these conditions in the documentation and/or other materials 
21   *    provided with the distribution.
22   *
23   * 3. The name "Jaxen" must not be used to endorse or promote products
24   *    derived from this software without prior written permission.  For
25   *    written permission, please contact license@jaxen.org.
26   * 
27   * 4. Products derived from this software may not be called "Jaxen", nor
28   *    may "Jaxen" appear in their name, without prior written permission
29   *    from the Jaxen Project Management (pm@jaxen.org).
30   * 
31   * In addition, we request (but do not require) that you include in the 
32   * end-user documentation provided with the redistribution and/or in the 
33   * software itself an acknowledgement equivalent to the following:
34   *     "This product includes software developed by the
35   *      Jaxen Project (http://www.jaxen.org/)."
36   * Alternatively, the acknowledgment may be graphical using the logos 
37   * available at http://www.jaxen.org/
38   *
39   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
40   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
41   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
42   * DISCLAIMED.  IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT
43   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
45   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
46   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
47   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
48   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
49   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50   * SUCH DAMAGE.
51   *
52   * ====================================================================
53   * This software consists of voluntary contributions made by many 
54   * individuals on behalf of the Jaxen Project and was originally 
55   * created by bob mcwhirter <bob@werken.com> and 
56   * James Strachan <jstrachan@apache.org>.  For more information on the 
57   * Jaxen Project, please see <http://www.jaxen.org/>.
58   * 
59   * $Id: XPathTest.java,v 1.14 2005/04/20 22:40:42 elharo Exp $
60   */
61  
62  
63  package org.jaxen.dom4j;
64  
65  import junit.framework.Test;
66  import junit.framework.TestCase;
67  import junit.framework.TestSuite;
68  import junit.textui.TestRunner;
69  
70  import java.util.Iterator;
71  import java.util.List;
72  
73  import org.dom4j.Attribute;
74  import org.dom4j.Document;
75  import org.dom4j.DocumentException;
76  import org.dom4j.Element;
77  import org.dom4j.Namespace;
78  import org.dom4j.io.SAXReader;
79  import org.dom4j.tree.DefaultAttribute;
80  import org.dom4j.tree.DefaultDocument;
81  import org.dom4j.tree.DefaultElement;
82  import org.jaxen.JaxenException;
83  import org.jaxen.XPath;
84  import org.jaxen.XPathSyntaxException;
85  import org.jaxen.saxpath.helpers.XPathReaderFactory;
86  
87  public class XPathTest extends TestCase
88  {
89  
90      private static final String BASIC_XML = "xml/basic.xml";
91  
92      public static void main( String[] args ) 
93      {
94          TestRunner.run( suite() );
95      }
96      
97      public static Test suite() 
98      {
99          return new TestSuite( XPathTest.class );
100     }
101     
102     public XPathTest(String name)
103     {
104         super( name );
105     }
106 
107     public void setUp()
108     {
109         System.setProperty( XPathReaderFactory.DRIVER_PROPERTY,
110                             "" );
111     }
112 
113     public void testConstruction() throws JaxenException
114     {
115         new Dom4jXPath( "/foo/bar/baz" );
116     }
117 
118     public void testSelection() throws JaxenException, DocumentException
119     {
120 
121         XPath xpath = new Dom4jXPath( "/foo/bar/baz" );
122         SAXReader reader = new SAXReader();
123         Document doc = reader.read( BASIC_XML );
124         List results = xpath.selectNodes( doc );
125         assertEquals( 3, results.size() );
126         Iterator iter = results.iterator();
127         assertEquals( "baz",
128                       ((Element)iter.next()).getName() );
129         assertEquals( "baz",
130                       ((Element)iter.next()).getName() );
131         assertEquals( "baz",
132                       ((Element)iter.next()).getName() );
133         assertTrue( ! iter.hasNext() );
134 
135     }
136     
137     public void testAsBoolean() throws JaxenException, DocumentException
138     {
139         XPath xpath = new Dom4jXPath( "/root/a = 'a'" );
140         SAXReader reader = new SAXReader();
141         Document doc = reader.read( "xml/simple.xml" );
142         boolean answer = xpath.booleanValueOf( doc );
143         assertTrue( "Xpath worked: " + xpath, answer );
144         xpath = new Dom4jXPath( "'a' = 'b'" );
145         answer = xpath.booleanValueOf( doc );
146         assertTrue( "XPath should return false: " + xpath, ! answer );
147     }
148     
149     public void testJaxen20AttributeNamespaceNodes() throws JaxenException
150     {
151 
152         Namespace ns1 = Namespace.get("p1", "www.acme1.org");
153         Namespace ns2 = Namespace.get("p2", "www.acme2.org");
154         Element element = new DefaultElement("test", ns1);
155         Attribute attribute = new DefaultAttribute("pre:foo", "bar", ns2);
156         element.add(attribute); 
157         Document doc = new DefaultDocument(element);
158         
159         XPath xpath = new Dom4jXPath( "//namespace::node()" );
160         List results = xpath.selectNodes( doc );
161         assertEquals( 3, results.size() );
162 
163     }
164     
165     public void testNamespaceNodesAreInherited() throws JaxenException
166     {
167             Namespace ns0 = Namespace.get("p0", "www.acme0.org");
168             Namespace ns1 = Namespace.get("p1", "www.acme1.org");
169             Namespace ns2 = Namespace.get("p2", "www.acme2.org");
170             Element element = new DefaultElement("test", ns1);
171             Attribute attribute = new DefaultAttribute("pre:foo", "bar", ns2);
172             element.add(attribute);
173             Element root = new DefaultElement("root", ns0);
174             root.add(element);
175             Document doc = new DefaultDocument(root);
176             
177             XPath xpath = new Dom4jXPath( "/*/*/namespace::node()" );
178 
179             List results = xpath.selectNodes( doc );
180 
181             assertEquals( 4,
182                           results.size() );
183     }
184     
185     public void testSyntaxException() throws JaxenException {
186         
187         String path = "/row/[some_node='val1']|[some_node='val2']";
188         try {
189             new Dom4jXPath(path);
190             fail("Allowed union of non-node-sets");
191         }
192         catch (XPathSyntaxException success) {
193             assertNotNull(success.getMessage());
194         }
195         
196     }
197     
198     
199 }