itextpdf-master/xmlworker/src/test/java/com/itextpdf/tool/xml/css/DefaultCSSResolverTest.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.
 *
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package com.itextpdf.tool.xml.css;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import java.util.HashMap;
import java.util.Map;

import org.junit.Before;
import org.junit.Test;

import com.itextpdf.text.log.LoggerFactory;
import com.itextpdf.text.log.SysoLogger;
import com.itextpdf.tool.xml.Tag;
import com.itextpdf.tool.xml.css.CssInheritanceRules;
import com.itextpdf.tool.xml.css.StyleAttrCSSResolver;

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

	private StyleAttrCSSResolver css;
	private Tag parent;
	private Tag child;

	/**
	 * Setup.
	 */
	@Before
	public void setup() {
		LoggerFactory.getInstance().setLogger(new SysoLogger(3));
		css = new StyleAttrCSSResolver();
		HashMap<String, String> pAttr = new HashMap<String, String>();
        pAttr.put("style", "fontk: Verdana; color: blue; test: a");
		parent = new Tag("parent", pAttr);
		HashMap<String, String> cAttr = new HashMap<String, String>();
        cAttr.put("style", "fontk: Arial; font-size: large; test: b");
		child = new Tag("child", cAttr);
		child.setParent(parent);
	}
	/**
	 * Resolves the style attribute to css for 1 tag.
	 */
	@Test
	public void resolveTagCss() {
		css.resolveStyles(parent);
		Map<String, String> css2 = parent.getCSS();
        assertTrue("font not found", css2.containsKey("fontk"));
		assertTrue("color not found", css2.containsKey("color"));
        assertEquals("Verdana", css2.get("fontk"));
		assertEquals("blue", css2.get("color"));
	}
	/**
	 * Resolves the style attribute to css for parent and child.
	 */
	@Test
	public void resolveChildTagCss() {
		css.resolveStyles(parent);
		css.resolveStyles(child);
		Map<String, String> css2 = child.getCSS();
        assertTrue("font not found", css2.containsKey("fontk"));
		assertTrue("color not found", css2.containsKey("color"));
		assertTrue("font-size not found", css2.containsKey("font-size"));
        assertEquals("Arial", css2.get("fontk"));
		assertEquals("blue", css2.get("color"));
		assertEquals("large", css2.get("font-size"));
	}

	/**
	 * checks CSSInheritance between parent and child on tag level
	 */
	@Test
	public void cssTagLevelInheritance() {
		css.setCssInheritance(new CssInheritanceRules() {

			public boolean inheritCssTag(final String tag) {
				return !"child".equals(tag);
			}

			public boolean inheritCssSelector(final Tag tag, final String key) {
				return true;
			}
		});
		css.resolveStyles(parent);
		css.resolveStyles(child);
		Map<String, String> css2 = child.getCSS();
        assertTrue("font not found", css2.containsKey("fontk"));
		assertTrue("font-size not found", css2.containsKey("font-size"));
		assertFalse("color found while not expected", css2.containsKey("color"));
        assertEquals("Arial", css2.get("fontk"));
		assertEquals("large", css2.get("font-size"));
	}
	/**
	 * checks CSSInheritance between parent and child on css element level
	 */
	@Test
	public void cssTagStyleLevelInheritance() {
		css.setCssInheritance(new CssInheritanceRules() {

			public boolean inheritCssTag(final String tag) {
				return true;
			}

			public boolean inheritCssSelector(final Tag tag, final String key) {
				return "child".equals(tag.getName()) && "color".equals(key);
			}
		});
		css.resolveStyles(parent);
		css.resolveStyles(child);
		Map<String, String> css2 = child.getCSS();
        assertTrue("font not found", css2.containsKey("fontk"));
		assertTrue("font-size not found", css2.containsKey("font-size"));
		assertTrue("color not found", css2.containsKey("color"));
        assertEquals("Arial", css2.get("fontk"));
		assertEquals("large", css2.get("font-size"));
		assertEquals("blue", css2.get("color"));
	}
}
