    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 }