1   /*
2    * $Header$
3    * $Revision$
4    * $Date$
5    *
6    * ====================================================================
7    *
8    * Copyright (C) 2005 Elliotte Rusty Harold
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   * $Id$
60   */
61  
62  package org.jaxen.function;
63  
64  import java.io.IOException;
65  import java.util.List;
66  
67  import javax.xml.parsers.DocumentBuilder;
68  import javax.xml.parsers.DocumentBuilderFactory;
69  import javax.xml.parsers.ParserConfigurationException;
70  
71  import junit.framework.TestCase;
72  
73  import org.jaxen.FunctionCallException;
74  import org.jaxen.JaxenException;
75  import org.jaxen.XPath;
76  import org.jaxen.dom.DOMXPath;
77  import org.w3c.dom.Attr;
78  import org.w3c.dom.Comment;
79  import org.w3c.dom.Document;
80  import org.w3c.dom.ProcessingInstruction;
81  import org.w3c.dom.Text;
82  import org.xml.sax.SAXException;
83  
84  /***
85   * @author Elliotte Rusty Harold
86   *
87   */
88  public class NameTest extends TestCase {
89  
90      private Document doc;
91      
92      public void setUp() throws ParserConfigurationException, SAXException, IOException
93      {
94          DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
95          factory.setNamespaceAware(true);
96          DocumentBuilder builder = factory.newDocumentBuilder();
97          doc = builder.parse( "xml/basic.xml" );
98      }
99  
100 
101     public NameTest(String name) {
102         super(name);
103     }
104 
105     public void testNameOfNumber() throws JaxenException
106     {
107         try
108         {
109             XPath xpath = new DOMXPath( "name(3)" );
110             xpath.selectNodes( doc );
111             fail("name of non-node-set");
112         }
113         catch (FunctionCallException e) 
114         {
115            assertEquals("The argument to the name function must be a node-set", e.getMessage());
116         }
117     }    
118 
119     public void testNameWithTwoArguments() throws JaxenException
120     {
121         try
122         {
123             XPath xpath = new DOMXPath( "name(/*, //*)" );
124             xpath.selectNodes( doc );
125             fail("name with two arguments");
126         }
127         catch (FunctionCallException e) 
128         {
129            assertEquals("name() requires zero or one argument.", e.getMessage());
130         }
131     }    
132 
133     public void testNameAllowsNoArguments() throws JaxenException
134     {
135         XPath xpath = new DOMXPath( "name()" );
136         String result = (String) xpath.evaluate( doc.getDocumentElement() );
137         assertEquals("foo", result);
138     }    
139 
140     public void testNameOfCommentIsEmptyString() throws JaxenException
141     {
142         XPath xpath = new DOMXPath( "name(/comment())" );
143         Comment c = doc.createComment("test");
144         doc.appendChild(c);
145         String result = (String) xpath.evaluate(doc);
146         assertEquals("", result);
147     }    
148 
149     public void testNameOfProcessingInstructionIsTarget() throws JaxenException
150     {
151         XPath xpath = new DOMXPath( "name(/processing-instruction())" );
152         ProcessingInstruction pi = doc.createProcessingInstruction("target", "value");
153         doc.appendChild(pi);
154         String result = (String) xpath.evaluate(doc);
155         assertEquals("target", result);
156     }    
157 
158     public void testNameOfAttribute() throws JaxenException
159     {
160         XPath xpath = new DOMXPath( "name(/*/@*)" );
161         Attr a = doc.createAttribute("name");
162         doc.getDocumentElement().setAttributeNode(a);
163         String result = (String) xpath.evaluate(doc);
164         assertEquals("name", result);
165     }    
166 
167     public void testNameOfTextIsEmptyString() throws JaxenException
168     {
169         XPath xpath = new DOMXPath( "name(/*/text())" );
170         Text c = doc.createTextNode("test");
171         doc.getDocumentElement().appendChild(c);
172         String result = (String) xpath.evaluate(doc);
173         assertEquals("", result);
174     }    
175 
176     public void testNameOfNamespaceIsPrefix() throws JaxenException
177     {
178         XPath xpath = new DOMXPath( "name(/*/namespace::node())" );
179         String result = (String) xpath.evaluate(doc);
180         assertEquals("xml", result);
181     }    
182 
183     public void testNameNoArguments()
184     {
185         try
186         {
187             XPath xpath = new DOMXPath( "name()" );
188             List results = xpath.selectNodes( doc );
189             assertEquals("", results.get(0));
190        }
191        catch (Exception e)
192         {
193             e.printStackTrace();
194             fail( e.getMessage() );
195         }
196     }    
197 
198 }