org.eclipse.ajdt.ui.tests/src/org/eclipse/ajdt/ui/tests/VerificationTest.java

/*******************************************************************************
 * Copyright (c) 2005 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:
 *     Matt Chapman - initial version
 *******************************************************************************/

package org.eclipse.ajdt.ui.tests;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.eclipse.ajdt.ui.AspectJUIPlugin;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.Platform;

/**
 */
public class VerificationTest extends UITestCase {

	/**
	 * The Structure Model view is defined in the plugin.xml but it should be
	 * commented out as it only for development or debugging purposes. This test
	 * checks in the registry that the view is not defined.
	 * 
	 */
	public void testAbsentStructureModelView() {
		assertFalse(
				"Structure Model view should be commented out in plugin.xml", //$NON-NLS-1$
				isViewDefined("org.eclipse.ajdt.ui.ajde.StructureModelView")); //$NON-NLS-1$
	}

	/**
	 * The Pointcut Navigator view is defined in the plugin.xml but it should be
	 * commented out as it is still under development. This test checks in the
	 * registry that the view is not defined.
	 * 
	 */
	public void testAbsentNavigatorView() {
		assertFalse(
				"Pointcut Navigator view should be commented out in plugin.xml", //$NON-NLS-1$
				isViewDefined("org.eclipse.ajdt.ui.navigator.PointcutNavigatorView")); //$NON-NLS-1$
	}

	public void testViewsAreValid() {
		List /* IConfigurationElement */extToTest = new ArrayList();
		IExtensionPoint[] allExP = Platform.getExtensionRegistry()
				.getExtensionPoints();
		for (int e = 0; e < allExP.length; e++) {
			IExtensionPoint exP = allExP[e];
			IExtension[] exs = exP.getExtensions();
			for (int i = 0; i < exs.length; i++) {
				IConfigurationElement[] ces = exs[i].getConfigurationElements();
				for (int j = 0; j < ces.length; j++) {
					String className = ces[j].getAttribute("class"); //$NON-NLS-1$
					if ((className != null)
							&& className.startsWith("org.eclipse.ajdt")) { //$NON-NLS-1$
						extToTest.add(ces[j]);
					}
					IConfigurationElement[] sub = ces[j].getChildren();
					for (int k = 0; k < sub.length; k++) {
						String subClassName = sub[k].getAttribute("class"); //$NON-NLS-1$
						if ((subClassName != null)
								&& subClassName.startsWith("org.eclipse.ajdt")) { //$NON-NLS-1$
							extToTest.add(sub[k]);
						}
					}
				}
			}
		}
		for (Iterator iter = extToTest.iterator(); iter.hasNext();) {
			IConfigurationElement elem = (IConfigurationElement) iter.next();
			String className = elem.getAttribute("class"); //$NON-NLS-1$
			IExtension decl = elem.getDeclaringExtension();
			// only attempt to resolve classes defined in ajdt.ui plugin
			if (decl.getNamespace().equals(AspectJUIPlugin.PLUGIN_ID)) {
				try {
					Class.forName(className);
				} catch (ClassNotFoundException e) {
					e.printStackTrace();
					fail("Failed to resolve class: " + elem.getAttribute("class") //$NON-NLS-1$//$NON-NLS-2$
							+ " declared under extension point: " + decl.getExtensionPointUniqueIdentifier()); //$NON-NLS-1$

				}
			}
		}
	}

	private boolean isViewDefined(String viewID) {
		String viewExtension = "org.eclipse.ui.views"; //$NON-NLS-1$

		IExtensionPoint exP = Platform.getExtensionRegistry()
				.getExtensionPoint(viewExtension);
		IExtension[] exs = exP.getExtensions();

		for (int i = 0; i < exs.length; i++) {
			IConfigurationElement[] ces = exs[i].getConfigurationElements();
			for (int j = 0; j < ces.length; j++) {
				String id = ces[j].getAttribute("id"); //$NON-NLS-1$
				if (id.equals(viewID)) {
					return true;
				}
			}
		}
		return false;
	}
}