testcontent.java

Java的面向对象数据库系统的源代码

/*
 * Copyright 2001 (C) MetaStuff, Ltd. All Rights Reserved.
 *
 * This software is open source.
 * See the bottom of this file for the licence.
 *
 * $Id: TestContent.java,v 1.4 2003/12/06 20:59:44 per_nyfelt Exp $
 */

package test.dom4j;

import junit.framework.Test;
import junit.framework.TestSuite;
import junit.textui.TestRunner;
import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.Node;
import org.dom4j.ProcessingInstruction;
import org.ozoneDB.xml.dom4j.O3DocumentHelper;

import java.util.Iterator;
import java.util.List;

/** A test harness to test the content API in DOM4J
  *
  * @author <a href="mailto:[e-mail]">James Strachan</a>
  * @version $Revision: 1.4 $
  */
public class TestContent extends AbstractTestCase {

    public static void main( String[] args ) {
        TestRunner.run( suite() );
    }

    public static Test suite() {
        return new TestSuite( TestContent.class );
    }

    public TestContent(String name) {
        super(name);
    }

    // Test case(s)
    //-------------------------------------------------------------------------
    public void testRoot() throws Exception {
        Element root = document.getRootElement();
        assertTrue( "Has root element", root != null );

        List authors = root.elements( "author" );
        assertTrue( "Root has children", authors != null && authors.size() == 2 );

        Element author1 = (Element) authors.get(0);
        Element author2 = (Element) authors.get(1);

        assertTrue( "Author1 is James", author1.attributeValue( "name" ).equals( "James" ) );
        assertTrue( "Author2 is Bob", author2.attributeValue( "name" ).equals( "Bob" ) );

        testGetAttributes(author1);
        testGetAttributes(author2);
    }

    public void testContent() throws Exception {
        Element root = document.getRootElement();
        assertTrue( "Has root element", root != null );

        List content = root.content();
        assertTrue( "Root has content", content != null && content.size() >= 2 );

        boolean iterated = false;
        for ( Iterator iter = content.iterator(); iter.hasNext(); ) {
            Object object = iter.next();
            assertTrue( "Content object is a node", object instanceof Node );
            iterated = true;
        }

        assertTrue( "Iteration completed", iterated );
    }

    public void testGetNode() throws Exception {
        Element root = document.getRootElement();
        assertTrue( "Has root element", root != null );

        int count = root.nodeCount();
        assertTrue( "Root has correct node count", count == 2 );

        boolean iterated = false;
        for ( int i = 0; i < count; i++ ) {
            Node node = root.node(i);
            assertTrue( "Valid node returned from node()", node != null );
            iterated = true;
        }

        assertTrue( "Iteration completed", iterated );
    }

    public void testGetXPathNode() throws Exception {
        Element root = document.getRootElement();
        assertTrue( "Has root element", root != null );

        int count = root.nodeCount();
        assertTrue( "Root has correct node count", count == 2 );

        boolean iterated = false;
        for ( int i = 0; i < count; i++ ) {
            Node node = root.getXPathResult(i);
            assertTrue( "Valid node returned from node()", node != null );
            assertTrue( "Node supports the parent relationship", node.supportsParent() );
            iterated = true;
        }

        assertTrue( "Iteration completed", iterated );
    }

    public void testOrderOfPI() throws Exception {
        Document document = nodeFactory.createDocument();
        document.addProcessingInstruction( "xml-stylesheet", "type=\"text/xsl\" href=\"...\"" );
        document.addElement( "root" );

        List list = document.content();
        Object pi = list.get(0);
        Object root = list.get(1);

        assertTrue( "First element is a PI", pi instanceof ProcessingInstruction );
        assertTrue( "Second element is an element", root instanceof Element );

        document = O3DocumentHelper.parseText(
            "<?xml version=\"1.0\" ?>\n"
            + "<?xml-stylesheet type=\"text/xsl\" href=\"foo\" ?>\n"
            + "<root/>"
        );

        list = document.content();
        pi = list.get(0);
        root = list.get(1);

        assertTrue( "First element is a PI", pi instanceof ProcessingInstruction );
        assertTrue( "Second element is an element", root instanceof Element );

    }

    public void testAddingInTheMiddle() throws Exception {
        Document doc = nodeFactory.createDocument();
        Element root = doc.addElement( "html" );
        Element header = root.addElement( "header" );
        Element footer = root.addElement( "footer" );

        // now lets add <foo> in between header & footer
        List list = root.content();
        Element foo = nodeFactory.createElement( "foo" );
        list.add( 1, foo );

        // assertions
        assertTrue( list.size() == 3 );
        assertTrue( list.get(0) == header );
        assertTrue( list.get(1) == foo );
        assertTrue( list.get(2) == footer );
    }

    public void testAddAtIndex() throws Exception {
      System.out.println("testAddAtIndex");
        Document doc = nodeFactory.createDocument();
      System.out.println("document is " + doc);
        Element root = doc.addElement( "html" );
      System.out.println("root is " + root);
        Element header = root.addElement( "header" );
      System.out.println("header is " + header);
        Element body = root.addElement( "body" );
      System.out.println("body is " + body);

        Element foo = nodeFactory.createElement( "foo" );
        System.out.println("created element " + foo);
        Element bar = nodeFactory.createElement( "bar" );
        System.out.println("created element " + bar);

        List content = header.content();
      System.out.println("got content " + content.getClass().getName());
        content.add(0, foo);
        content.add(0, bar);
      System.out.println("content size is now " + content.size());

      System.out.println("checking header node 1 " + header.node(1));
        assertNotNull("checking header node 1: " + header.node(1));
        assertEquals( "foo", header.node(1).getName() );
      System.out.println("checking header node 0");
        assertNotNull("checking header node 0: " + header.node(0));
        assertEquals( "bar", header.node(0).getName() );

        foo = nodeFactory.createElement( "foo" );
        bar = nodeFactory.createElement( "bar" );

        content = body.content();
      System.out.println("Adding foo to body");
        content.add(0, foo);
      System.out.println("Adding bar to body");
        content.add(1, bar);

        assertNotNull("checking body node 0: " + body.node(0));
        assertEquals( "foo", body.node(0).getName() );
        assertNotNull("checking body node 1: " + body.node(1));
        assertEquals( "bar", body.node(1).getName() );
    }



    // Implementation methods
    //-------------------------------------------------------------------------
    protected void testGetAttributes(Element author) throws Exception {

        String definedName = "name";
        String undefinedName = "undefined-attribute-name";
        String defaultValue = "** Default Value **";

        String value = author.attributeValue( definedName, defaultValue );
        assertTrue( "Defined value doesn't return specified default value", value != defaultValue );

        value = author.attributeValue( undefinedName, defaultValue );
        assertTrue( "Undefined value returns specified default value", value == defaultValue );
    }

}




/*
 * Redistribution and use of this software and associated documentation
 * ("Software"), with or without modification, are permitted provided
 * that the following conditions are met:
 *
 * 1. Redistributions of source code must retain copyright
 *    statements and notices.  Redistributions must also contain a
 *    copy of this document.
 *
 * 2. Redistributions in binary form must reproduce the
 *    above copyright notice, this list of conditions and the
 *    following disclaimer in the documentation and/or other
 *    materials provided with the distribution.
 *
 * 3. The name "DOM4J" must not be used to endorse or promote
 *    products derived from this Software without prior written
 *    permission of MetaStuff, Ltd.  For written permission,
 *    please contact [e-mail].
 *
 * 4. Products derived from this Software may not be called "DOM4J"
 *    nor may "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://dom4j.org/).
 *
 * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
 * METASTUFF, LTD. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Copyright 2001 (C) MetaStuff, Ltd. All Rights Reserved.
 *
 * $Id: TestContent.java,v 1.4 2003/12/06 20:59:44 per_nyfelt Exp $
 */