LnfManagerTest.java

/*******************************************************************************
 * Copyright (c) 2007, 2014 compeople AG 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:
 *    compeople AG - initial API and implementation
 *******************************************************************************/
package org.eclipse.riena.navigation.ui.swt.lnf;

import junit.framework.TestCase;

import org.osgi.framework.Bundle;
import org.osgi.framework.FrameworkUtil;

import org.eclipse.riena.core.test.collect.NonUITestCase;
import org.eclipse.riena.ui.swt.lnf.LnfKeyConstants;
import org.eclipse.riena.ui.swt.lnf.LnfManager;
import org.eclipse.riena.ui.swt.lnf.rienadefault.RienaDefaultLnf;

/**
 * Tests of the class <code>LnfManager</code>.
 */
@NonUITestCase
public class LnfManagerTest extends TestCase {

	// save & restore the current Look and Feel
	private RienaDefaultLnf oldLnf;

	@Override
	protected void setUp() throws Exception {
		oldLnf = LnfManager.getLnf();
	}

	@Override
	protected void tearDown() throws Exception {
		LnfManager.setLnf(oldLnf);
	}

	/**
	 * Test of the method <code>getLnfClassName()</code>.
	 */
	public void testGetLnfClassNameAndGetLnfUnderDifferentConfigurations() {
		// check for riena default L&F
		assertEquals(RienaDefaultLnf.class.getName(), LnfManager.getLnf().getClass().getName());
		assertEquals(RienaDefaultLnf.class, LnfManager.getLnf().getClass());

		// check for some other default L&F
		final RienaDefaultLnf otherDefaultLnf = new OtherDefaultTestLnf();
		LnfManager.setDefaultLnf(otherDefaultLnf);

		assertEquals(otherDefaultLnf.getClass().getName(), LnfManager.getLnf().getClass().getName());
		assertEquals(otherDefaultLnf.getClass(), LnfManager.getLnf().getClass());

		// check for non-default L&F set
		LnfManager.setLnf(FrameworkUtil.getBundle(LnfManagerTest.class).getSymbolicName() + ":"
				+ TestLnf1.class.getName());

		assertEquals(TestLnf1.class.getName(), LnfManager.getLnf().getClass().getName());
		assertEquals(TestLnf1.class, LnfManager.getLnf().getClass());

		// check for clearing non-default L&F
		LnfManager.setLnf((String) null);

		assertEquals(otherDefaultLnf.getClass().getName(), LnfManager.getLnf().getClass().getName());
		assertEquals(otherDefaultLnf.getClass(), LnfManager.getLnf().getClass());
	}

	public void testGetLnfClassNameAndGetLnfWithSystemProperty() {
		LnfManager.setLnf((RienaDefaultLnf) null);

		final Bundle bundle = FrameworkUtil.getBundle(LnfManagerTest.class);

		assertNotNull(bundle);

		try {
			// check for system property L&F setting
			System.setProperty("riena.lnf", bundle.getSymbolicName() + ":" + TestLnf1.class.getName());

			assertEquals(TestLnf1.class.getName(), LnfManager.getLnf().getClass().getName());
			assertEquals(TestLnf1.class, LnfManager.getLnf().getClass());

			// check for non-override of system property
			LnfManager.setLnf(new TestLnf2());

			assertEquals(TestLnf2.class.getName(), LnfManager.getLnf().getClass().getName());
			assertEquals(TestLnf2.class, LnfManager.getLnf().getClass());
		} finally {
			System.clearProperty("riena.lnf");
		}
	}

	/**
	 * Test of the method <code>dispose()</code>.
	 */
	public void testDispose() {
		final RienaDefaultLnf myLnf = new RienaDefaultLnf();
		LnfManager.setLnf(myLnf);
		myLnf.initialize();

		assertNotNull(myLnf.getFont(LnfKeyConstants.EMBEDDED_TITLEBAR_FONT));

		LnfManager.dispose();

		assertNull(myLnf.getFont(LnfKeyConstants.EMBEDDED_TITLEBAR_FONT));
	}

	public static class TestLnf1 extends RienaDefaultLnf {
	};

	public static class TestLnf2 extends RienaDefaultLnf {
	};

	public static class OtherDefaultTestLnf extends RienaDefaultLnf {
	};
}