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/*******************************************************************************
* Copyright (c) 2013 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.e4.ui.workbench.renderers.swt;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import junit.framework.TestCase;
import org.eclipse.e4.core.services.events.IEventBroker;
import org.eclipse.e4.ui.css.core.engine.CSSEngine;
import org.eclipse.e4.ui.css.core.resources.IResourcesRegistry;
import org.eclipse.e4.ui.css.swt.resources.ResourceByDefinitionKey;
import org.eclipse.e4.ui.css.swt.resources.SWTResourcesRegistry;
import org.eclipse.e4.ui.model.application.MApplication;
import org.eclipse.e4.ui.model.application.impl.ApplicationFactoryImpl;
import org.eclipse.e4.ui.model.application.ui.basic.MBasicFactory;
import org.eclipse.e4.ui.model.application.ui.basic.MWindow;
import org.eclipse.e4.ui.workbench.renderers.swt.WBWRenderer.ThemeDefinitionChangedHandler;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Resource;
import org.osgi.service.event.Event;
/**
*
*/
public class ThemeDefinitionChangedHandlerTest extends TestCase {
public void testHandleEventWhenThemeChanged() throws Exception {
// given
final MApplication application = ApplicationFactoryImpl.eINSTANCE
.createApplication();
application.getChildren().add(MBasicFactory.INSTANCE.createWindow());
application.getChildren().add(MBasicFactory.INSTANCE.createWindow());
HashMap<String, Object> params = new HashMap<String, Object>();
params.put(IEventBroker.DATA, application);
Event event = new Event("topic", params);
// resources removed from registry that have to be disposed
Resource resource1 = mock(Resource.class);
doReturn(false).when(resource1).isDisposed();
Resource resource2 = mock(Resource.class);
doReturn(true).when(resource2).isDisposed();
Object resource3 = new Object();
List<Object> removedResources = new ArrayList<Object>();
removedResources.add(resource1);
removedResources.add(resource2);
removedResources.add(resource3);
//
SWTResourcesRegistry registry = mock(SWTResourcesRegistry.class);
doReturn(removedResources).when(registry)
.removeResourcesByKeyTypeAndType(ResourceByDefinitionKey.class,
Font.class, Color.class);
CSSEngine engine = mock(CSSEngine.class);
doReturn(registry).when(engine).getResourcesRegistry();
ThemeDefinitionChangedHandlerTestable handler = spy(new ThemeDefinitionChangedHandlerTestable());
doReturn(engine).when(handler).getEngine(any(MWindow.class));
// when
handler.handleEvent(event);
// then
verify(engine, times(1)).reapply();
verify(handler, times(1)).removeResources(registry);
verify(handler, times(3)).disposeResource(any(Object.class));
verify(handler, times(1)).disposeResource(resource1);
verify(handler, times(1)).disposeResource(resource2);
verify(handler, times(1)).disposeResource(resource3);
verify(resource1, times(1)).isDisposed();
verify(resource1, times(1)).dispose();
verify(resource2, times(1)).isDisposed();
verify(resource2, never()).dispose();
}
public void testHandleEventWhenElementIsNotMApplication() throws Exception {
// given
HashMap<String, Object> params = new HashMap<String, Object>();
params.put(IEventBroker.DATA, MBasicFactory.INSTANCE.createWindow());
Event event = new Event("topic", params);
CSSEngine engine = mock(CSSEngine.class);
ThemeDefinitionChangedHandlerTestable handler = spy(new ThemeDefinitionChangedHandlerTestable());
doReturn(engine).when(handler).getEngine(any(MWindow.class));
// when
handler.handleEvent(event);
// then
verify(engine, never()).reapply();
verify(handler, never()).removeResources(any(IResourcesRegistry.class));
verify(handler, never()).disposeResource(any(Object.class));
}
public void testHandleEventWhenCSSEngineNotFoundForWidget()
throws Exception {
// given
MWindow window1 = MBasicFactory.INSTANCE.createWindow();
MWindow window2 = MBasicFactory.INSTANCE.createWindow();
final MApplication application = ApplicationFactoryImpl.eINSTANCE
.createApplication();
application.getChildren().add(window1);
application.getChildren().add(window2);
HashMap<String, Object> params = new HashMap<String, Object>();
params.put(IEventBroker.DATA, application);
Event event = new Event("topic", params);
SWTResourcesRegistry registry = mock(SWTResourcesRegistry.class);
CSSEngine engine = mock(CSSEngine.class);
doReturn(registry).when(engine).getResourcesRegistry();
ThemeDefinitionChangedHandlerTestable handler = spy(new ThemeDefinitionChangedHandlerTestable());
doReturn(null).when(handler).getEngine(window1);
doReturn(engine).when(handler).getEngine(window2);
// when
handler.handleEvent(event);
// then
verify(engine, times(1)).reapply();
verify(handler, times(1)).removeResources(registry);
verify(handler, never()).disposeResource(any(Object.class));
}
protected static class ThemeDefinitionChangedHandlerTestable extends
ThemeDefinitionChangedHandler {
List<Object> processedRemovedResources;
@Override
public CSSEngine getEngine(MWindow window) {
return super.getEngine(window);
}
@Override
public List<Object> removeResources(IResourcesRegistry registry) {
return super.removeResources(registry);
}
@Override
public void disposeResource(Object resource) {
super.disposeResource(resource);
}
}
}
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