    1   /*
    2    * $Header: /home/projects/jaxen/scm/jaxen/src/java/test/org/jaxen/dom4j/XPathTest.java,v 1.14 2005/04/20 22:40:42 elharo Exp $
    3    * $Revision: 1.14 $
    4    * $Date: 2005/04/20 22:40:42 $
    5    *
    6    * ====================================================================
    7    *
    8    * Copyright (C) 2000-2003 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: XPathTest.java,v 1.14 2005/04/20 22:40:42 elharo Exp $
    60   */
    61
    62
    63  package org.jaxen.dom4j;
    64
    65  import junit.framework.Test;
    66  import junit.framework.TestCase;
    67  import junit.framework.TestSuite;
    68  import junit.textui.TestRunner;
    69
    70  import java.util.Iterator;
    71  import java.util.List;
    72
    73  import org.dom4j.Attribute;
    74  import org.dom4j.Document;
    75  import org.dom4j.DocumentException;
    76  import org.dom4j.Element;
    77  import org.dom4j.Namespace;
    78  import org.dom4j.io.SAXReader;
    79  import org.dom4j.tree.DefaultAttribute;
    80  import org.dom4j.tree.DefaultDocument;
    81  import org.dom4j.tree.DefaultElement;
    82  import org.jaxen.JaxenException;
    83  import org.jaxen.XPath;
    84  import org.jaxen.XPathSyntaxException;
    85  import org.jaxen.saxpath.helpers.XPathReaderFactory;
    86
    87  public class XPathTest extends TestCase
    88  {
    89
    90      private static final String BASIC_XML = "xml/basic.xml";
    91
    92      public static void main( String[] args )
    93      {
    94          TestRunner.run( suite() );
    95      }
    96
    97      public static Test suite()
    98      {
    99          return new TestSuite( XPathTest.class );
    100     }
    101
    102     public XPathTest(String name)
    103     {
    104         super( name );
    105     }
    106
    107     public void setUp()
    108     {
    109         System.setProperty( XPathReaderFactory.DRIVER_PROPERTY,
    110                             "" );
    111     }
    112
    113     public void testConstruction() throws JaxenException
    114     {
    115         new Dom4jXPath( "/foo/bar/baz" );
    116     }
    117
    118     public void testSelection() throws JaxenException, DocumentException
    119     {
    120
    121         XPath xpath = new Dom4jXPath( "/foo/bar/baz" );
    122         SAXReader reader = new SAXReader();
    123         Document doc = reader.read( BASIC_XML );
    124         List results = xpath.selectNodes( doc );
    125         assertEquals( 3, results.size() );
    126         Iterator iter = results.iterator();
    127         assertEquals( "baz",
    128                       ((Element)iter.next()).getName() );
    129         assertEquals( "baz",
    130                       ((Element)iter.next()).getName() );
    131         assertEquals( "baz",
    132                       ((Element)iter.next()).getName() );
    133         assertTrue( ! iter.hasNext() );
    134
    135     }
    136
    137     public void testAsBoolean() throws JaxenException, DocumentException
    138     {
    139         XPath xpath = new Dom4jXPath( "/root/a = 'a'" );
    140         SAXReader reader = new SAXReader();
    141         Document doc = reader.read( "xml/simple.xml" );
    142         boolean answer = xpath.booleanValueOf( doc );
    143         assertTrue( "Xpath worked: " + xpath, answer );
    144         xpath = new Dom4jXPath( "'a' = 'b'" );
    145         answer = xpath.booleanValueOf( doc );
    146         assertTrue( "XPath should return false: " + xpath, ! answer );
    147     }
    148
    149     public void testJaxen20AttributeNamespaceNodes() throws JaxenException
    150     {
    151
    152         Namespace ns1 = Namespace.get("p1", "www.acme1.org");
    153         Namespace ns2 = Namespace.get("p2", "www.acme2.org");
    154         Element element = new DefaultElement("test", ns1);
    155         Attribute attribute = new DefaultAttribute("pre:foo", "bar", ns2);
    156         element.add(attribute);
    157         Document doc = new DefaultDocument(element);
    158
    159         XPath xpath = new Dom4jXPath( "//namespace::node()" );
    160         List results = xpath.selectNodes( doc );
    161         assertEquals( 3, results.size() );
    162
    163     }
    164
    165     public void testNamespaceNodesAreInherited() throws JaxenException
    166     {
    167             Namespace ns0 = Namespace.get("p0", "www.acme0.org");
    168             Namespace ns1 = Namespace.get("p1", "www.acme1.org");
    169             Namespace ns2 = Namespace.get("p2", "www.acme2.org");
    170             Element element = new DefaultElement("test", ns1);
    171             Attribute attribute = new DefaultAttribute("pre:foo", "bar", ns2);
    172             element.add(attribute);
    173             Element root = new DefaultElement("root", ns0);
    174             root.add(element);
    175             Document doc = new DefaultDocument(root);
    176
    177             XPath xpath = new Dom4jXPath( "/*/*/namespace::node()" );
    178
    179             List results = xpath.selectNodes( doc );
    180
    181             assertEquals( 4,
    182                           results.size() );
    183     }
    184
    185     public void testSyntaxException() throws JaxenException {
    186
    187         String path = "/row/[some_node='val1']|[some_node='val2']";
    188         try {
    189             new Dom4jXPath(path);
    190             fail("Allowed union of non-node-sets");
    191         }
    192         catch (XPathSyntaxException success) {
    193             assertNotNull(success.getMessage());
    194         }
    195
    196     }
    197
    198
    199 }