    1   /*
    2    * $Header: /home/projects/jaxen/scm/jaxen/src/java/test/org/jaxen/saxpath/helpers/XPathReaderFactoryTest.java,v 1.6 2005/09/24 22:28:17 elharo Exp $
    3    * $Revision: 1.6 $
    4    * $Date: 2005/09/24 22:28:17 $
    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: XPathReaderFactoryTest.java,v 1.6 2005/09/24 22:28:17 elharo Exp $
    60   */
    61
    62  package org.jaxen.saxpath.helpers;
    63
    64  import junit.framework.TestCase;
    65
    66  import org.jaxen.saxpath.SAXPathException;
    67  import org.jaxen.saxpath.XPathReader;
    68
    69  public class XPathReaderFactoryTest extends TestCase
    70  {
    71      public XPathReaderFactoryTest(String name)
    72      {
    73          super( name );
    74      }
    75
    76
    77      protected void tearDown() {
    78          System.setProperty( XPathReaderFactory.DRIVER_PROPERTY, "" );
    79      }
    80
    81      public void testDefault() throws SAXPathException
    82      {
    83          System.setProperty( XPathReaderFactory.DRIVER_PROPERTY,
    84                              "" );
    85          XPathReader reader = XPathReaderFactory.createReader();
    86          assertNotNull( reader );
    87      }
    88
    89      public void testValidByProperty() throws SAXPathException
    90      {
    91          System.setProperty( XPathReaderFactory.DRIVER_PROPERTY,
    92                              "org.jaxen.saxpath.helpers.MockXPathReader"  );
    93
    94          XPathReader reader = XPathReaderFactory.createReader();
    95          assertNotNull( reader );
    96          assertSame( MockXPathReader.class, reader.getClass() );
    97      }
    98
    99      public void testInvalidByProperty()
    100     {
    101         System.setProperty( XPathReaderFactory.DRIVER_PROPERTY,
    102                             "java.lang.String" );
    103
    104         try
    105         {
    106             XPathReaderFactory.createReader();
    107             fail( "Should have thrown SAXPathException" );
    108         }
    109         catch (SAXPathException e) {
    110             // expected and correct
    111             assertNotNull(e.getMessage());
    112         }
    113     }
    114
    115     public void testNonExistantByProperty()
    116     {
    117         System.setProperty( XPathReaderFactory.DRIVER_PROPERTY,
    118                             "i.am.a.class.that.does.not.Exist" );
    119
    120         try
    121         {
    122             XPathReaderFactory.createReader();
    123             fail( "Should have thrown SAXPathException" );
    124         }
    125         catch (org.jaxen.saxpath.SAXPathException e)
    126         {
    127             // expected and correct
    128         }
    129     }
    130
    131     public void testValidExplicit() throws SAXPathException
    132     {
    133         XPathReader reader = XPathReaderFactory.createReader( "org.jaxen.saxpath.helpers.MockXPathReader" );
    134         assertNotNull( reader );
    135         assertSame( MockXPathReader.class, reader.getClass() );
    136     }
    137
    138     public void testInvalidExplicit()
    139     {
    140         try
    141         {
    142             XPathReaderFactory.createReader( "java.lang.String" );
    143             fail( "Should have thrown SAXPathException" );
    144         }
    145         catch (org.jaxen.saxpath.SAXPathException e)
    146         {
    147             // expected and correct
    148         }
    149     }
    150
    151     public void testNonExistantExplicit()
    152     {
    153         try
    154         {
    155             XPathReaderFactory.createReader( "i.am.a.class.that.does.not.Exist" );
    156             fail( "Should have thrown SAXPathException" );
    157         }
    158         catch (org.jaxen.saxpath.SAXPathException e)
    159         {
    160             // expected and correct
    161         }
    162     }
    163 }