1   /*
2    * $Header$
3    * $Revision$
4    * $Date$
5    *
6    * ====================================================================
7    *
8    * Copyright (C) 2000-2002 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   * $Id$
60   */
61  
62  
63  
64  package org.jaxen;
65  
66  import java.io.ByteArrayOutputStream;
67  import java.io.IOException;
68  import java.io.NotSerializableException;
69  import java.io.ObjectOutputStream;
70  
71  import javax.xml.parsers.DocumentBuilderFactory;
72  import javax.xml.parsers.ParserConfigurationException;
73  
74  import org.jaxen.dom.DOMXPath;
75  import org.w3c.dom.Document;
76  import org.w3c.dom.Element;
77  
78  import junit.framework.TestCase;
79  
80  /***
81   * <p>
82   *  Test for function context.
83   * </p>
84   * 
85   * @author Elliotte Rusty Harold
86   * @version 1.1b4
87   *
88   */
89  public class FunctionContextTest extends TestCase
90  {
91  
92      private Document doc;
93      
94      public void setUp() throws ParserConfigurationException {
95          
96          DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
97          factory.setNamespaceAware(true);
98          doc = factory.newDocumentBuilder().newDocument();
99          Element root = doc.createElementNS("http://www.example.org/", "root");
100         doc.appendChild(root);
101         root.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns", "http://www.example.org/");
102               
103     }
104     
105     public void testJAXEN50() throws JaxenException {
106         
107         DOMXPath xpath = new DOMXPath("true()");
108         
109         SimpleNamespaceContext nsContext = new SimpleNamespaceContext();
110         // Add all namespace declarations from the node
111         nsContext.addElementNamespaces(xpath.getNavigator(), doc);
112         xpath.setNamespaceContext(nsContext);
113         
114         boolean result = xpath.booleanValueOf(doc);
115         assertTrue(result);
116         
117     }
118  
119     public void testUnresolvableFunction() throws JaxenException {
120         
121         DOMXPath xpath = new DOMXPath("nonesuch()");
122         
123         try {
124             xpath.evaluate(doc);
125             fail("Evaluated nonexistent function");
126         }
127         catch (UnresolvableException ex) {
128             assertNotNull(ex.getMessage());
129         }
130         
131     }
132  
133     public void testUnresolvableFunctionExceptionMessage() throws JaxenException {
134         
135         DOMXPath xpath = new DOMXPath("nonesuch()");
136         
137         try {
138             xpath.evaluate(doc);
139             fail("Evaluated nonexistent function");
140         }
141         catch (UnresolvableException ex) {
142             assertEquals(-1, ex.getMessage().indexOf(':'));
143         }
144         
145     }
146  
147     public void testGetFunctionContext() throws JaxenException {      
148         DOMXPath xpath = new DOMXPath("/root/child");
149         assertNotNull(xpath.getFunctionContext());
150     }
151  
152     public void testSerializeFunctionContext() throws JaxenException, IOException { 
153         
154         DOMXPath xpath = new DOMXPath("/root/child");
155         FunctionContext context = xpath.getFunctionContext();
156         ByteArrayOutputStream out = new ByteArrayOutputStream();
157         ObjectOutputStream oout = new ObjectOutputStream(out);
158         try {
159             oout.writeObject(context);
160             fail("serialized function context");
161         }
162         catch (NotSerializableException ex) {
163             assertNotNull(ex.getMessage());
164         }
165         
166     }
167  
168 }