testcmshtmlconverter.java

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/*
 * File   : $Source: /usr/local/cvs/opencms/test/org/opencms/util/TestCmsHtmlConverter.java,v $
 * Date   : $Date: 2007-08-13 16:29:50 $
 * Version: $Revision: 1.12 $
 *
 * This library is part of OpenCms -
 * the Open Source Content Management System
 *
 * Copyright (c) 2002 - 2007 Alkacon Software GmbH (http://www.alkacon.com)
 *
 * 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.
 *
 * For further information about Alkacon Software GmbH, please see the
 * company website: http://www.alkacon.com
 *
 * For further information about OpenCms, please see the
 * project website: http://www.opencms.org
 * 
 * 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.opencms.util;

import org.opencms.i18n.CmsEncoder;
import org.opencms.test.OpenCmsTestCase;

import java.io.File;

/** 
 * @author Michael Emmerich 
 * @version $Revision: 1.12 $
 */
public class TestCmsHtmlConverter extends OpenCmsTestCase  {
    
    // some test Strings    
    private static final String STRING_1 = "Test: äöüÄÖÜß";     
    private static final String STRING_2 = "Test: äöüÄÖÜ߀";
    private static final String STRING_1_UTF8_RESULT = "Test: \u00e4\u00f6\u00fc\u00c4\u00d6\u00dc\u00df";     
    private static final String STRING_2_UTF8_RESULT = "Test: \u00e4\u00f6\u00fc\u00c4\u00d6\u00dc\u00df\u20ac";
  
    private static final String SIMPLE_HTML = "<h1>Test</h1><div><p>This is a test<p>some content<p>last line</div><pre>Some pre<br>\r\n   More pre\r\n</pre>Final line.";      
    
    /**
     * Default JUnit constructor.<p>
     * 
     * @param arg0 JUnit parameters
     */
    public TestCmsHtmlConverter(String arg0) {
        super(arg0);
    }

    /** 
     * Tests converstion of ISO-encoded entities.<p>
     * 
     * @throws Exception in case the test fails
     */
    public void testISO() throws Exception {
        System.out.println("Testing US-ASCII conversion");
        CmsHtmlConverter converter = new CmsHtmlConverter(CmsEncoder.ENCODING_US_ASCII, CmsHtmlConverter.PARAM_WORD);        
        String convertedHtml1 = converter.convertToString(STRING_1);
        String convertedHtml2 = converter.convertToString(STRING_2);
                
        assertEquals(STRING_1 , convertedHtml1);
        assertEquals(STRING_2 , convertedHtml2);  
    }

    /** 
     * Tests converstion of UTF8-encoded entities.<p> 
     * 
     * @throws Exception in case the test fails
     */
    public void testUTF8() throws Exception {
        System.out.println("Testing UTF-8 conversion");
        CmsHtmlConverter converter = new CmsHtmlConverter(CmsEncoder.ENCODING_UTF_8, CmsHtmlConverter.PARAM_WORD);        
        String convertedHtml1 = converter.convertToString(STRING_1);
        String convertedHtml2 = converter.convertToString(STRING_2);
             
        assertEquals(STRING_1_UTF8_RESULT , convertedHtml1);
        assertEquals(STRING_2_UTF8_RESULT , convertedHtml2);  
    }
        
    /**
     * Tests if simple pretty printing works.<p>
     * 
     * @throws Exception in case the test fails
     */
    public void testPrettyPrint() throws Exception {
        
        System.out.println("Testing HTML pretty printing");
        CmsHtmlConverter converter = new CmsHtmlConverter(CmsEncoder.ENCODING_ISO_8859_1, CmsHtmlConverter.PARAM_ENABLED);
        String result = converter.convertToString(SIMPLE_HTML);
        
        System.out.println("----------------");               
        System.out.println(result);       
        System.out.println("----------------");            
    }
    
    /**
     * Tests if all word tags are removed.<p>
     * 
     * @throws Exception in case the test fails
     */
    public void testRemoveWordTags() throws Exception {

        System.out.println("Testing Word conversion");
        CmsHtmlConverter converter = new CmsHtmlConverter(CmsEncoder.ENCODING_ISO_8859_1, CmsHtmlConverter.PARAM_WORD
            + ";"
            + CmsHtmlConverter.PARAM_XHTML);

        // read a file and convert it
        File inputfile = new File(getTestDataPath("test2.html"));
        byte[] htmlInput = CmsFileUtil.readFile(inputfile);
        String outputContent = converter.convertToString(htmlInput);
        System.out.println(outputContent);
        // now check if all word specific tags are removed
        assertContainsNot(outputContent, "<o:p>");
        assertContainsNot(outputContent, "<o:smarttagtype");
        assertContainsNot(outputContent, "<?xml:namespace ");
    }
    
    /**
     * Tests an issue with white space insertion after href tags.<p>
     * 
     * Tidy sometimes inserts unwanted, visible whitespace in a href tag because of 
     * the formatting used.<p>
     * 
     * @throws Exception in case the test fails
     */
    public void testHrefWhitespaceIssue() throws Exception {

        System.out.println("Testing href whitespace issue");
        CmsHtmlConverter converter = new CmsHtmlConverter(CmsEncoder.ENCODING_UTF_8, CmsHtmlConverter.PARAM_XHTML);        
        String input = CmsFileUtil.readFile("org/opencms/util/testConverter_03.html", CmsEncoder.ENCODING_ISO_8859_1);
        // the input has the right (that is no) white-spacing between the tags
        assertContains(input, "</a></code>).");
        String output = converter.convertToString(input);
        System.out.println("----------------");
        System.out.println(output);        
        System.out.println("----------------");
        // the output should also have no whitespace between the tags
        // but this is the case when xhtml conversion is enabled in JTidy
        assertContains(output, "</a></code>).");
    }
}