itextpdf-master/xmlworker/src/test/java/com/itextpdf/tool/xml/html/LoadCssThroughLinkStyleTagTest.java
/*
 *
 * This file is part of the iText (R) project.
    Copyright (c) 1998-2022 iText Group NV
 * Authors: Balder Van Camp, Emiel Ackermann, et al.
 *
 * This program is free software; you can redistribute it and/or modify
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 * or FITNESS FOR A PARTICULAR PURPOSE.
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 * You should have received a copy of the GNU Affero General Public License
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 * http://itextpdf.com/terms-of-use/
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 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
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 * In accordance with Section 7(b) of the GNU Affero General Public License,
 * a covered work must retain the producer line in every PDF that is created
 * or manipulated using iText.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the iText software without
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 */
package com.itextpdf.tool.xml.html;

import com.itextpdf.text.log.LoggerFactory;
import com.itextpdf.text.log.SysoLogger;
import com.itextpdf.tool.xml.Pipeline;
import com.itextpdf.tool.xml.Tag;
import com.itextpdf.tool.xml.XMLWorker;
import com.itextpdf.tool.xml.css.CssFilesImpl;
import com.itextpdf.tool.xml.css.StyleAttrCSSResolver;
import com.itextpdf.tool.xml.net.FileRetrieveImpl;
import com.itextpdf.tool.xml.parser.XMLParser;
import com.itextpdf.tool.xml.pipeline.css.CssResolverPipeline;
import com.itextpdf.tool.xml.pipeline.html.HtmlPipeline;
import com.itextpdf.tool.xml.pipeline.html.HtmlPipelineContext;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

import java.io.IOException;
import java.io.StringReader;
import java.util.HashMap;
import java.util.Map;

/**
 * @author redlab_b
 *
 */
public class LoadCssThroughLinkStyleTagTest {

	private static final String HTML1 = "<html><head><link type='text/css' rel='stylesheet' href='style.css'/></head><body><p>Import css files test</p></body></html>";
	private static final String HTML2 = "<html><head><link type='text/css' rel='stylesheet' href='style.css'/><link type='text/css' rel='stylesheet' href='test.css'/></head><body><p>Import css files test</p></body></html>";
	private static final String HTML3 = "<html><head><link type='text/css' rel='stylesheet' href='style.css'/><link type='text/css' rel='stylesheet' href='test.css'/><style type='text/css'>body {padding: 5px;}</style></head><body><p>Import css files test</p></body></html>";
	private XMLParser p;
	private CssFilesImpl cssFiles;

	@Before
	public void setup() {
		LoggerFactory.getInstance().setLogger(new SysoLogger(3));
		cssFiles = new CssFilesImpl();
		String path = LoadCssThroughLinkStyleTagTest.class.getResource("/css/test.css").getPath();
		path = path.substring(0, path.lastIndexOf("test.css"));
		FileRetrieveImpl r = new FileRetrieveImpl(new String [] {path} );
		StyleAttrCSSResolver cssResolver = new StyleAttrCSSResolver(cssFiles, r );
		HtmlPipelineContext hpc = new HtmlPipelineContext(null);
		hpc.setAcceptUnknown(false).autoBookmark(true).setTagFactory(Tags.getHtmlTagProcessorFactory());
		Pipeline pipeline = new CssResolverPipeline(cssResolver, new HtmlPipeline(hpc, null));
		final XMLWorker worker = new XMLWorker(pipeline, true);
		p = new XMLParser(worker);
	}

	@Test
	public void parse1CssFileAndValidate() throws IOException {
		p.parse(new StringReader(HTML1));
		Map<String, String> props = new HashMap<String, String>();
		cssFiles.populateCss(new Tag("body"), props);
		Assert.assertTrue(props.containsKey("font-size"));
		Assert.assertTrue(props.containsKey("color"));
	}
	@Test
	public void parse2CsszFileAndValidate() throws IOException {
		p.parse(new StringReader(HTML2));
		Map<String, String> props = new HashMap<String, String>();
		cssFiles.populateCss(new Tag("body"), props);
		Assert.assertTrue(props.containsKey("font-size"));
		Assert.assertTrue(props.containsKey("color"));
		Assert.assertTrue(props.containsKey("margin-left"));
		Assert.assertTrue(props.containsKey("margin-right"));
		Assert.assertTrue(props.containsKey("margin-top"));
		Assert.assertTrue(props.containsKey("margin-bottom"));
	}
	@Test
	public void parse2CsszFilePluseStyleTagAndValidate() throws IOException {
		p.parse(new StringReader(HTML3));
		Map<String, String> props = new HashMap<String, String>();
		cssFiles.populateCss(new Tag("body"), props);
		Assert.assertTrue(props.containsKey("font-size"));
		Assert.assertTrue(props.containsKey("color"));
		Assert.assertTrue(props.containsKey("margin-left"));
		Assert.assertTrue(props.containsKey("margin-right"));
		Assert.assertTrue(props.containsKey("margin-top"));
		Assert.assertTrue(props.containsKey("margin-bottom"));
		Assert.assertTrue(props.containsKey("padding-left"));
		Assert.assertTrue(props.containsKey("padding-right"));
		Assert.assertTrue(props.containsKey("padding-top"));
		Assert.assertTrue(props.containsKey("padding-bottom"));
	}
}
