/*******************************************************************************
* Copyright (c) 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.css.core.tests.stylesheets;
import junit.framework.TestCase;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.Path;
import org.eclipse.wst.css.core.internal.provisional.document.ICSSDocument;
import org.eclipse.wst.css.core.internal.provisional.document.ICSSModel;
import org.eclipse.wst.css.core.internal.provisional.document.ICSSNode;
import org.eclipse.wst.css.core.internal.provisional.document.ICSSStyleSheet;
import org.eclipse.wst.css.core.tests.ProjectUtil;
import org.eclipse.wst.sse.core.StructuredModelManager;
import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
import org.w3c.dom.css.CSSImportRule;
import org.w3c.dom.css.CSSRule;
import org.w3c.dom.css.CSSRuleList;
import org.w3c.dom.css.CSSStyleRule;
public class StyleSheetTest extends TestCase {
public static final String PROJECT_NAME = "testImports";
protected void setUp() throws Exception {
super.setUp();
if (!ResourcesPlugin.getWorkspace().getRoot().getProject(PROJECT_NAME).exists()) {
ProjectUtil.createSimpleProject(PROJECT_NAME, null, new String[] {});
ProjectUtil.copyBundleEntriesIntoWorkspace("/testfiles/" + PROJECT_NAME, "/" + PROJECT_NAME);
}
}
protected void tearDown() throws Exception {
super.tearDown();
}
/**
* Tests for cycles in imports. If a cycle is encountered, we should not get stuck
* in a loop or re-import the stylesheet.
* @throws Exception
*/
public void testImportCycle() throws Exception {
String filePath = "/" + PROJECT_NAME + "/WebContent/cycle0.css";
IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(filePath));
assertTrue("File doesn't exist: " + filePath, file.exists());
IStructuredModel model = null;
try {
model = StructuredModelManager.getModelManager().getModelForRead(file);
if (model instanceof ICSSModel) {
ICSSDocument document = ((ICSSModel) model).getDocument();
if (document instanceof ICSSStyleSheet) {
CSSRuleList list = ((ICSSStyleSheet) document).getCssRules(true);
assertTrue("There should be a total of 3 rules supplied stylesheet.", list.getLength() == 3);
for (int i = 0; i < list.getLength(); i++) {
CSSRule rule = list.item(i);
assertTrue("Rule should be a style rule. rule.getType() == " + rule.getType(), rule.getType() == ICSSNode.STYLERULE_NODE);
// Check that the rules are imported, it would start with the last imported stylesheet's rules and move up
assertEquals("Style rules are not equal.", ((CSSStyleRule) rule).getSelectorText(), "#cycle" + (2-i));
}
}
}
}
finally {
if (model != null)
model.releaseFromRead();
}
}
/**
* Tests the simple case of a basic @import or a stylesheet
* @throws Exception
*/
public void testSimpleImport() throws Exception {
String filePath = "/" + PROJECT_NAME + "/WebContent/site.css";
IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(filePath));
assertTrue("File doesn't exist: " + filePath, file.exists());
IStructuredModel model = null;
try {
model = StructuredModelManager.getModelManager().getModelForRead(file);
if (model instanceof ICSSModel) {
ICSSDocument document = ((ICSSModel) model).getDocument();
if (document instanceof ICSSStyleSheet) {
CSSRuleList list = ((ICSSStyleSheet) document).getCssRules(true);
String[] rules = new String[] {"#content", "a", "a:hover"};
assertTrue("There should be a total of 3 rules supplied stylesheet.", list.getLength() == rules.length);
for (int i = 0; i < list.getLength(); i++) {
CSSRule rule = list.item(i);
assertTrue("Rule should be a style rule. rule.getType() == " + rule.getType(), rule.getType() == ICSSNode.STYLERULE_NODE);
CSSStyleRule style = (CSSStyleRule)rule;
assertEquals("Selector text did not match.", rules[i], style.getSelectorText().trim());
}
}
}
}
finally {
if (model != null)
model.releaseFromRead();
}
}
/**
* Tests for the import of a non-existent stylesheet
* @throws Exception
*/
public void testNonExistentImport() throws Exception {
String filePath = "/" + PROJECT_NAME + "/WebContent/importDNE.css";
IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(filePath));
assertTrue("File doesn't exist: " + filePath, file.exists());
IStructuredModel model = null;
try {
model = StructuredModelManager.getModelManager().getModelForRead(file);
if (model instanceof ICSSModel) {
ICSSDocument document = ((ICSSModel) model).getDocument();
if (document instanceof ICSSStyleSheet) {
CSSRuleList list = ((ICSSStyleSheet) document).getCssRules(true);
assertTrue("There should be a total of 1 rule.", list.getLength() == 1);
CSSRule rule = list.item(0);
assertTrue("Rule should be a style rule. rule.getType() == " + rule.getType(), rule.getType() == ICSSNode.IMPORTRULE_NODE);
assertEquals("Stylesheet reference is different than expected.", ((CSSImportRule) rule).getHref(), "thisfiledoesntexist.css");
}
}
}
finally {
if (model != null)
model.releaseFromRead();
}
}
/**
* Tests that imports can be resolved using the various syntaxes for import.
* <ul>
* <li>@import url("example.css");</li>
* <li>@import url(example.css);</li>
* <li>@import "example.css";</li>
* </ul>
* @throws Exception
*/
public void testImportMethods() throws Exception {
String filePath = "/" + PROJECT_NAME + "/WebContent/importMethods.css";
IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(filePath));
assertTrue("File doesn't exist: " + filePath, file.exists());
IStructuredModel model = null;
try {
model = StructuredModelManager.getModelManager().getModelForRead(file);
if (model instanceof ICSSModel) {
ICSSDocument document = ((ICSSModel) model).getDocument();
if (document instanceof ICSSStyleSheet) {
CSSRuleList list = ((ICSSStyleSheet) document).getCssRules(true);
assertTrue("There should be a total of 3 rules.", list.getLength() == 3);
for (int i = 0; i < list.getLength(); i++) {
CSSRule rule = list.item(i);
assertTrue("Rule should be a style rule. rule.getType() == " + rule.getType(), rule.getType() == ICSSNode.STYLERULE_NODE);
CSSStyleRule style = (CSSStyleRule)rule;
assertEquals("Selector text did not match.", "#content", style.getSelectorText().trim());
}
}
}
}
finally {
if (model != null)
model.releaseFromRead();
}
}
/**
* Tests for the import of a stylesheet in a parent directory
* @throws Exception
*/
public void testImportFromParentDirectory() throws Exception {
String filePath = "/" + PROJECT_NAME + "/WebContent/style/sub.css";
IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(filePath));
assertTrue("File doesn't exist: " + filePath, file.exists());
IStructuredModel model = null;
try {
model = StructuredModelManager.getModelManager().getModelForRead(file);
if (model instanceof ICSSModel) {
ICSSDocument document = ((ICSSModel) model).getDocument();
if (document instanceof ICSSStyleSheet) {
CSSRuleList list = ((ICSSStyleSheet) document).getCssRules(true);
assertTrue("There should be a total of 1 rule.", list.getLength() == 1);
CSSRule rule = list.item(0);
assertTrue("Rule should be a style rule. rule.getType() == " + rule.getType(), rule.getType() == ICSSNode.STYLERULE_NODE);
assertEquals("Stylesheet reference is different than expected.", ((CSSStyleRule) rule).getSelectorText(), "#content");
}
}
}
finally {
if (model != null)
model.releaseFromRead();
}
}
}