    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.Document;
    79  import org.w3c.dom.ProcessingInstruction;
    80  import org.w3c.dom.Text;
    81  import org.xml.sax.SAXException;
    82
    83  /***
    84   * @author Elliotte Rusty Harold
    85   *
    86   */
    87  public class NamespaceURITest extends TestCase {
    88
    89      private Document doc;
    90
    91      public void setUp() throws ParserConfigurationException, SAXException, IOException
    92      {
    93          DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    94          factory.setNamespaceAware(true);
    95          DocumentBuilder builder = factory.newDocumentBuilder();
    96          doc = builder.parse( "xml/basic.xml" );
    97      }
    98
    99
    100     public NamespaceURITest(String name) {
    101         super(name);
    102     }
    103
    104     public void testNamespaceURIOfNumber() throws JaxenException
    105     {
    106         try
    107         {
    108             XPath xpath = new DOMXPath( "namespace-uri(3)" );
    109             xpath.selectNodes( doc );
    110             fail("namespace-uri of non-node-set");
    111         }
    112         catch (FunctionCallException e)
    113         {
    114            assertEquals("The argument to the namespace-uri function must be a node-set", e.getMessage());
    115         }
    116     }
    117
    118     public void testNamespaceURINoArguments() throws JaxenException
    119     {
    120         XPath xpath = new DOMXPath( "namespace-uri()" );
    121         List results = xpath.selectNodes( doc );
    122         assertEquals("", results.get(0));
    123     }
    124
    125     public void testNamespaceURIOfEmptyNodeSetIsEmptyString() throws JaxenException
    126     {
    127         XPath xpath = new DOMXPath( "namespace-uri(/aaa)" );
    128         String result = (String) xpath.evaluate(doc);
    129         assertEquals("", result);
    130     }
    131
    132     public void testNamespaceURIOfProcessingInstructionIsEmptyString() throws JaxenException
    133     {
    134         XPath xpath = new DOMXPath( "namespace-uri(/processing-instruction())" );
    135         ProcessingInstruction pi = doc.createProcessingInstruction("target", "value");
    136         doc.appendChild(pi);
    137         String result = (String) xpath.evaluate(doc);
    138         assertEquals("", result);
    139     }
    140
    141     public void testNamespaceURIOfAttribute() throws JaxenException
    142     {
    143         XPath xpath = new DOMXPath( "namespace-uri(/*/@*)" );
    144         Attr a = doc.createAttribute("name");
    145         doc.getDocumentElement().setAttributeNode(a);
    146         Object result = (String) xpath.evaluate(doc);
    147         assertEquals("", result);
    148     }
    149
    150     public void testNamespaceURIOfAttributeInNamespace() throws JaxenException
    151     {
    152         XPath xpath = new DOMXPath( "namespace-uri(/*/@*)" );
    153         Attr a = doc.createAttributeNS("http://www.w3.org/", "pre:name");
    154         doc.getDocumentElement().setAttributeNode(a);
    155         Object result = (String) xpath.evaluate(doc);
    156         assertEquals("http://www.w3.org/", result);
    157     }
    158
    159     public void testNamespaceURIOfTextIsEmptyString() throws JaxenException
    160     {
    161         XPath xpath = new DOMXPath( "namespace-uri(/*/text())" );
    162         Text c = doc.createTextNode("test");
    163         doc.getDocumentElement().appendChild(c);
    164         String result = (String) xpath.evaluate(doc);
    165         assertEquals("", result);
    166     }
    167
    168     public void testNamespaceURIRequiresAtMostOneArgument() throws JaxenException
    169     {
    170         XPath xpath = new DOMXPath( "namespace-uri(/*, /*)" );
    171         try {
    172             xpath.evaluate(doc);
    173             fail("Allowed namespace-uri function with no arguments");
    174         }
    175         catch (FunctionCallException ex) {
    176             assertNotNull(ex.getMessage());
    177         }
    178     }
    179
    180     public void testNamespaceURIOfNamespaceIsNull() throws JaxenException
    181     {
    182         XPath xpath = new DOMXPath( "namespace-uri(/*/namespace::node())" );
    183         String result = (String) xpath.evaluate(doc);
    184         assertEquals("", result);
    185     }
    186
    187     public void testNamespaceURIOfComment()
    188       throws JaxenException {
    189
    190         XPath xpath = new DOMXPath("namespace-uri(/a/comment())");
    191         org.w3c.dom.Element a = doc.createElementNS("http://www.example.org/", "a");
    192         doc.appendChild(a);
    193         a.appendChild(doc.createComment("data"));
    194
    195         String result = (String) xpath.evaluate(doc);
    196         assertEquals("", result);
    197
    198     }
    199
    200 }