attributetests.java

html 解析处理代码

// HTMLParser Library $Name: v1_6 $ - A java-based parser for HTML
// http://sourceforge.org/projects/htmlparser
// Copyright (C) 2004 Derrick Oswald
//
// Revision Control Information
//
// $Source: /cvsroot/htmlparser/htmlparser/src/org/htmlparser/tests/lexerTests/AttributeTests.java,v $
// $Author: derrickoswald $
// $Date: 2004/07/18 21:31:22 $
// $Revision: 1.19 $
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//

package org.htmlparser.tests.lexerTests;

import java.util.Vector;
import org.htmlparser.Node;

import org.htmlparser.Attribute;
import org.htmlparser.PrototypicalNodeFactory;
import org.htmlparser.Tag;
import org.htmlparser.lexer.PageAttribute;
import org.htmlparser.nodes.TagNode;
import org.htmlparser.tags.ImageTag;
import org.htmlparser.tags.LinkTag;
import org.htmlparser.tests.ParserTestCase;
import org.htmlparser.util.NodeIterator;
import org.htmlparser.util.ParserException;

public class AttributeTests extends ParserTestCase
{
    static
    {
        System.setProperty ("org.htmlparser.tests.lexerTests.AttributeTests", "AttributeTests");
    }

    private static final boolean JSP_TESTS_ENABLED = false;
    private Tag tag;
    private Vector attributes;

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

    public void getParameterTableFor(String tagContents)
    {
        getParameterTableFor (tagContents, false);
    }

    public void getParameterTableFor(String tagContents, boolean dump)
    {
        String html;
        NodeIterator iterator;
        Node node;

        html = "<" + tagContents + ">";
        createParser (html);
        parser.setNodeFactory (new PrototypicalNodeFactory (true));
        try
        {
            iterator = parser.elements ();
            node = iterator.nextNode ();
            if (node instanceof Tag)
            {
                tag = (Tag)node;
                attributes = tag.getAttributesEx ();
                if (dump)
                {
                    for (int i = 0; i < attributes.size (); i++)
                    {
                        System.out.print ("Attribute #" + i);
                        Attribute attribute = (Attribute)attributes.elementAt (i);
                        if (null != attribute.getName ())
                            System.out.print (" Name: '" + attribute.getName () + "'");
                        if (null != attribute.getAssignment ())
                            System.out.print (" Assignment: '" + attribute.getAssignment () + "'");
                        if (0 != attribute.getQuote ())
                            System.out.print (" Quote: " + attribute.getQuote ());
                        if (null != attribute.getValue ())
                            System.out.print (" Value: '" + attribute.getValue () + "'");
                        System.out.println ();
                    }
                    System.out.println ();
                }
            }
            else
                attributes = null;
            String string = node.toHtml ();
            assertEquals ("toHtml differs", html, string);
            assertTrue ("shouldn't be any more nodes", !iterator.hasMoreNodes ());
        }
        catch (ParserException pe)
        {
            fail (pe.getMessage ());
        }
    }

    /**
     * Test constructors.
     */
    public void testConstructors ()
    {
        Vector attributes;
        Tag tag;
        String html;

        attributes = new Vector ();
         // String, null
        attributes.add (new Attribute ("wombat", null));
        // String
        attributes.add (new Attribute (" "));
        // String, String
        attributes.add (new Attribute ("label", "The civil war."));
        attributes.add (new Attribute (" "));
        // String, String, String
        attributes.add (new Attribute ("frameborder", "= ", "no"));
        attributes.add (new Attribute (" "));
        // String String, String, char
        attributes.add (new Attribute ("name", "=", "topFrame", '"'));
        tag = new TagNode (null, 0, 0, attributes);
        html = "<wombat label=\"The civil war.\" frameborder= no name=\"topFrame\">";
        assertStringEquals ("tag contents", html, tag.toHtml ());
    }

    /**
     * Test bean properties.
     */
    public void testProperties ()
    {
        Attribute attribute;
        Attribute space;
        Vector attributes;
        Tag tag;
        String html;

        attributes = new Vector ();
        attribute = new Attribute ();
        attribute.setName ("wombat");
        assertTrue ("should be standalone", attribute.isStandAlone ());
        assertTrue ("should not be whitespace", !attribute.isWhitespace ());
        assertTrue ("should not be valued", !attribute.isValued ());
        assertTrue ("should not be empty", !attribute.isEmpty ());
        attributes.add (attribute);
        space = new Attribute ();
        space.setValue (" ");
        assertTrue ("should not be standalone", !space.isStandAlone ());
        assertTrue ("should be whitespace", space.isWhitespace ());
        assertTrue ("should be valued", space.isValued ());
        assertTrue ("should not be empty", !space.isEmpty ());
        attributes.add (space);
        attribute = new Attribute ();
        attribute.setName ("label");
        attribute.setAssignment ("=");
        attribute.setRawValue ("The civil war.");
        assertTrue ("should not be standalone", !attribute.isStandAlone ());
        assertTrue ("should not be whitespace", !attribute.isWhitespace ());
        assertTrue ("should be valued", attribute.isValued ());
        assertTrue ("should not be empty", !attribute.isEmpty ());
        attributes.add (attribute);
        attributes.add (space);
        attribute = new Attribute ();
        attribute.setName ("frameborder");
        attribute.setAssignment ("= ");
        attribute.setRawValue ("no");
        attributes.add (attribute);
        attributes.add (space);
        attribute = new Attribute ();
        attribute.setName ("name");
        attribute.setAssignment ("=");
        attribute.setValue ("topFrame");
        attribute.setQuote ('"');
        assertTrue ("should not be standalone", !attribute.isStandAlone ());
        assertTrue ("should not be whitespace", !attribute.isWhitespace ());
        assertTrue ("should be valued", attribute.isValued ());
        assertTrue ("should not be empty", !attribute.isEmpty ());
        attributes.add (attribute);
        tag = new TagNode (null, 0, 0, attributes);
        html = "<wombat label=\"The civil war.\" frameborder= no name=\"topFrame\">";
        assertStringEquals ("tag contents", html, tag.toHtml ());
    }

    /**
     * Test constructors.
     */
    public void testConstructors2 ()
    {
        Vector attributes;
        Tag tag;
        String html;

        attributes = new Vector ();
         // String, null
        attributes.add (new PageAttribute ("wombat", null));
        // String
        attributes.add (new PageAttribute (" "));
        // String, String
        attributes.add (new PageAttribute ("label", "The civil war."));
        attributes.add (new PageAttribute (" "));
        // String, String, String
        attributes.add (new PageAttribute ("frameborder", "= ", "no"));
        attributes.add (new PageAttribute (" "));
        // String String, String, char
        attributes.add (new PageAttribute ("name", "=", "topFrame", '"'));
        tag = new TagNode (null, 0, 0, attributes);
        html = "<wombat label=\"The civil war.\" frameborder= no name=\"topFrame\">";
        assertStringEquals ("tag contents", html, tag.toHtml ());
    }

    /**
     * Test bean properties.
     */
    public void testProperties2 ()
    {
        Attribute attribute;
        Attribute space;
        Vector attributes;
        Tag tag;
        String html;

        attributes = new Vector ();
        attribute = new PageAttribute ();
        attribute.setName ("wombat");
        assertTrue ("should be standalone", attribute.isStandAlone ());
        assertTrue ("should not be whitespace", !attribute.isWhitespace ());
        assertTrue ("should not be valued", !attribute.isValued ());
        assertTrue ("should not be empty", !attribute.isEmpty ());
        attributes.add (attribute);
        space = new PageAttribute ();
        space.setValue (" ");
        assertTrue ("should not be standalone", !space.isStandAlone ());
        assertTrue ("should be whitespace", space.isWhitespace ());
        assertTrue ("should be valued", space.isValued ());
        assertTrue ("should not be empty", !space.isEmpty ());
        attributes.add (space);
        attribute = new PageAttribute ();
        attribute.setName ("label");
        attribute.setAssignment ("=");
        attribute.setRawValue ("The civil war.");
        assertTrue ("should not be standalone", !attribute.isStandAlone ());
        assertTrue ("should not be whitespace", !attribute.isWhitespace ());
        assertTrue ("should be valued", attribute.isValued ());
        assertTrue ("should not be empty", !attribute.isEmpty ());
        attributes.add (attribute);
        attributes.add (space);
        attribute = new PageAttribute ();
        attribute.setName ("frameborder");
        attribute.setAssignment ("= ");