    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 }