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Java > Open Source Codes > org > jaxen > function > NameTest


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 JavaDoc;
65 import java.util.List JavaDoc;
66
67 import javax.xml.parsers.DocumentBuilder JavaDoc;
68 import javax.xml.parsers.DocumentBuilderFactory JavaDoc;
69 import javax.xml.parsers.ParserConfigurationException JavaDoc;
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 JavaDoc;
78 import org.w3c.dom.Comment JavaDoc;
79 import org.w3c.dom.Document JavaDoc;
80 import org.w3c.dom.ProcessingInstruction JavaDoc;
81 import org.w3c.dom.Text JavaDoc;
82 import org.xml.sax.SAXException JavaDoc;
83
84 /**
85  * @author Elliotte Rusty Harold
86  *
87  */

88 public class NameTest extends TestCase {
89
90     private Document JavaDoc doc;
91     
92     public void setUp() throws ParserConfigurationException JavaDoc, SAXException JavaDoc, IOException JavaDoc
93     {
94         DocumentBuilderFactory JavaDoc factory = DocumentBuilderFactory.newInstance();
95         factory.setNamespaceAware(true);
96         DocumentBuilder JavaDoc builder = factory.newDocumentBuilder();
97         doc = builder.parse( "xml/basic.xml" );
98     }
99
100
101     public NameTest(String JavaDoc 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 JavaDoc result = (String JavaDoc) 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 JavaDoc c = doc.createComment("test");
144         doc.appendChild(c);
145         String JavaDoc result = (String JavaDoc) 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 JavaDoc pi = doc.createProcessingInstruction("target", "value");
153         doc.appendChild(pi);
154         String JavaDoc result = (String JavaDoc) xpath.evaluate(doc);
155         assertEquals("target", result);
156     }
157
158     public void testNameOfAttribute() throws JaxenException
159     {
160         XPath xpath = new DOMXPath( "name(/*/@*)" );
161         Attr JavaDoc a = doc.createAttribute("name");
162         doc.getDocumentElement().setAttributeNode(a);
163         String JavaDoc result = (String JavaDoc) 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 JavaDoc c = doc.createTextNode("test");
171         doc.getDocumentElement().appendChild(c);
172         String JavaDoc result = (String JavaDoc) 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 JavaDoc result = (String JavaDoc) 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 JavaDoc results = xpath.selectNodes( doc );
189             assertEquals("", results.get(0));
190        }
191        catch (Exception JavaDoc e)
192         {
193             e.printStackTrace();
194             fail( e.getMessage() );
195         }
196     }
197
198 }
199
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