/**
 * <a href="http://www.openolat.org">
 * OpenOLAT - Online Learning and Training</a><br>
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License"); <br>
 * you may not use this file except in compliance with the License.<br>
 * You may obtain a copy of the License at the
 * <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache homepage</a>
 * <p>
 * Unless required by applicable law or agreed to in writing,<br>
 * software distributed under the License is distributed on an "AS IS" BASIS, <br>
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
 * See the License for the specific language governing permissions and <br>
 * limitations under the License.
 * <p>
 * Initial code contributed and copyrighted by<br>
 * frentix GmbH, http://www.frentix.com
 * <p>
 */
package org.olat.core.util;

import java.io.IOException;
import java.io.InputStream;

import org.apache.commons.io.IOUtils;
import org.junit.Assert;
import org.junit.Test;

/**
 * 
 * Initial date: 24.03.2014<br>
 * @author srosse, stephane.rosse@frentix.com, http://www.frentix.com
 *
 */
public class SimpleHtmlParserTest {
	
	@Test
	public void parse_minimalTinyMCEHTMLPage() throws IOException {
		InputStream inHtml = SimpleHtmlParserTest.class.getResourceAsStream("simple_1.html");
		String html = IOUtils.toString(inHtml);
		
		SimpleHtmlParser parser = new SimpleHtmlParser(html);
		Assert.assertEquals("<body>", parser.getBodyTag());
		Assert.assertEquals("utf-8", parser.getCharsetName());
		Assert.assertEquals("Hello", parser.getHtmlContent().trim());
		Assert.assertEquals("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">", parser.getHtmlDocType());
		Assert.assertEquals("<html xmlns=\"http://www.w3.org/1999/xhtml\">", parser.getXhtmlNamespaces().trim());
		Assert.assertTrue(parser.isValidHtml());
		Assert.assertFalse(parser.hasOwnCss());
	}
	
	@Test
	public void parse_externHtmlEditor() throws IOException {
		InputStream inHtml = SimpleHtmlParserTest.class.getResourceAsStream("simple_2.html");
		String html = IOUtils.toString(inHtml);
		
		SimpleHtmlParser parser = new SimpleHtmlParser(html);
		Assert.assertEquals("<body>", parser.getBodyTag());
		Assert.assertEquals("iso-2022-jp", parser.getCharsetName());
		Assert.assertEquals("Generated", parser.getHtmlContent().trim());
		Assert.assertEquals("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\n\t\"http://www.w3.org/TR/html4/loose.dtd\">", parser.getHtmlDocType());
		Assert.assertNull(parser.getXhtmlNamespaces());
		Assert.assertTrue(parser.isValidHtml());
		Assert.assertFalse(parser.hasOwnCss());
	}
	
	@Test
	public void parse_ErroHandling() throws IOException {
		String html = "<html><body></body></html>";
		
		SimpleHtmlParser parser = new SimpleHtmlParser(html);
		Assert.assertEquals("<body>", parser.getBodyTag());
		Assert.assertNull(parser.getCharsetName());
		Assert.assertEquals("", parser.getHtmlContent().trim());
		Assert.assertNull(parser.getHtmlDocType());
		Assert.assertNull(parser.getXhtmlNamespaces());
		Assert.assertTrue(parser.isValidHtml());
		Assert.assertFalse(parser.hasOwnCss());
	}
}