makeelementtest.java

解决如何把XML应用到JAVA里问题

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

package org.dom4j;

import junit.textui.TestRunner;

/**
 * A test harness to test the DocumentHelper.makeElement() methodt
 * 
 * @author <a href="mailto:[e-mail]">James Strachan </a>
 * @version $Revision: 1.3 $
 */
public class MakeElementTest extends AbstractTestCase {
    public static void main(String[] args) {
        TestRunner.run(MakeElementTest.class);
    }

    // Test case(s)
    // -------------------------------------------------------------------------
    public void testMakeElement() throws Exception {
        Document doc = DocumentHelper.createDocument();

        Element c = DocumentHelper.makeElement(doc, "a/b/c");
        assertTrue("Should return a valid element", c != null);

        Element c2 = DocumentHelper.makeElement(doc, "a/b/c");

        assertTrue("Found same element again", c == c2);

        c.addAttribute("x", "123");

        Node found = doc.selectSingleNode("/a/b/c[@x='123']");

        assertEquals("Found same node via XPath", c, found);

        Element b = c.getParent();

        Element e = DocumentHelper.makeElement(b, "c/d/e");

        assertTrue("Should return a valid element", e != null);

        Element e2 = DocumentHelper.makeElement(b, "c/d/e");

        assertTrue("Found same element again", e == e2);

        e.addAttribute("y", "456");

        found = b.selectSingleNode("c/d/e[@y='456']");

        assertEquals("Found same node via XPath", e, found);
    }

    public void testMakeQualifiedElement() throws Exception {
        Document doc = DocumentHelper.createDocument();
        Element root = doc.addElement("root");
        root.addNamespace("", "defaultURI");
        root.addNamespace("foo", "fooURI");
        root.addNamespace("bar", "barURI");

        Element c = DocumentHelper.makeElement(doc, "root/foo:b/bar:c");
        assertTrue("Should return a valid element", c != null);

        assertEquals("c has a valid namespace", "barURI", c.getNamespaceURI());

        Element b = c.getParent();

        assertEquals("b has a valid namespace", "fooURI", b.getNamespaceURI());

        log("Created: " + c);

        Element c2 = DocumentHelper.makeElement(doc, "root/foo:b/bar:c");
        assertTrue("Found same element again", c == c2);
    }
}

/*
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 * 
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 * notices. Redistributions must also contain a copy of this document.
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 * "DOM4J" appear in their names without prior written permission of MetaStuff,
 * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
 * 
 * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
 * 
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 * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
 */