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Java > Open Source Codes > org > dom4j > ElementByIDTest


1 /*
2  * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
3  *
4  * This software is open source.
5  * See the bottom of this file for the licence.
6  */

7
8 package org.dom4j;
9
10 import junit.textui.TestRunner;
11
12 /**
13  * Tests the elementByID() method
14  *
15  * @author <a HREF="mailto:james.strachan@metastuff.com">James Strachan </a>
16  * @version $Revision: 1.4 $
17  */

18 public class ElementByIDTest extends AbstractTestCase {
19     /** Input XML file to read */
20     protected static final String JavaDoc INPUT_XML_FILE = "xml/test/elementByID.xml";
21
22     public static void main(String JavaDoc[] args) {
23         TestRunner.run(ElementByIDTest.class);
24     }
25
26     // Test case(s)
27
// -------------------------------------------------------------------------
28
public void testElementByID() throws Exception JavaDoc {
29         String JavaDoc id = "message";
30         Document document = getDocument(INPUT_XML_FILE);
31
32         // test XPath
33
Element element = (Element) document.selectSingleNode("//*[@ID='" + id
34                 + "']");
35         assertTrue("Found element by ID: " + id, element != null);
36         assertEquals("ID is equal", id, element.attributeValue("ID"));
37
38         // test with elementByID
39
element = document.elementByID(id);
40
41         assertTrue("Found element by ID: " + id, element != null);
42         assertEquals("ID is equal", id, element.attributeValue("ID"));
43
44         log("Found element: " + element.getText());
45
46         element = document.elementByID("DoesNotExist");
47
48         assertTrue("Found no element", element == null);
49     }
50 }
51
52 /*
53  * Redistribution and use of this software and associated documentation
54  * ("Software"), with or without modification, are permitted provided that the
55  * following conditions are met:
56  *
57  * 1. Redistributions of source code must retain copyright statements and
58  * notices. Redistributions must also contain a copy of this document.
59  *
60  * 2. Redistributions in binary form must reproduce the above copyright notice,
61  * this list of conditions and the following disclaimer in the documentation
62  * and/or other materials provided with the distribution.
63  *
64  * 3. The name "DOM4J" must not be used to endorse or promote products derived
65  * from this Software without prior written permission of MetaStuff, Ltd. For
66  * written permission, please contact dom4j-info@metastuff.com.
67  *
68  * 4. Products derived from this Software may not be called "DOM4J" nor may
69  * "DOM4J" appear in their names without prior written permission of MetaStuff,
70  * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
71  *
72  * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
73  *
74  * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
75  * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
76  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
77  * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
78  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
79  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
80  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
81  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
82  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
83  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
84  * POSSIBILITY OF SUCH DAMAGE.
85  *
86  * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
87  */

88
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