| /******************************************************************************* |
| * Copyright (c) 2006, 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 |
| * Matthew Hall - bugs 213145, 241585, 246103, 194734, 268688 |
| * Ovidio Mallo - bug 247741 |
| *******************************************************************************/ |
| |
| package org.eclipse.core.tests.internal.databinding.beans; |
| |
| import java.beans.PropertyDescriptor; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| |
| import junit.framework.Test; |
| import junit.framework.TestSuite; |
| |
| import org.eclipse.core.databinding.beans.BeanProperties; |
| import org.eclipse.core.databinding.beans.BeansObservables; |
| import org.eclipse.core.databinding.beans.IBeanObservable; |
| import org.eclipse.core.databinding.beans.IBeanProperty; |
| import org.eclipse.core.databinding.beans.PojoObservables; |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.core.databinding.observable.map.IObservableMap; |
| import org.eclipse.core.databinding.observable.map.MapDiff; |
| import org.eclipse.core.databinding.observable.set.WritableSet; |
| import org.eclipse.core.tests.databinding.observable.ThreadRealm; |
| import org.eclipse.jface.databinding.conformance.util.ChangeEventTracker; |
| import org.eclipse.jface.databinding.conformance.util.CurrentRealm; |
| import org.eclipse.jface.databinding.conformance.util.MapChangeEventTracker; |
| import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase; |
| |
| /** |
| * @since 3.2 |
| * |
| */ |
| public class JavaBeanObservableMapTest extends AbstractDefaultRealmTestCase { |
| private Bean model1; |
| |
| private Bean model2; |
| |
| private WritableSet set; |
| |
| private PropertyDescriptor propertyDescriptor; |
| |
| private IObservableMap map; |
| private IBeanObservable beanObservable; |
| |
| protected void setUp() throws Exception { |
| super.setUp(); |
| |
| ThreadRealm realm = new ThreadRealm(); |
| realm.init(Thread.currentThread()); |
| model1 = new Bean("1"); |
| model2 = new Bean("2"); |
| |
| set = new WritableSet(realm, new HashSet(), Bean.class); |
| set.add(model1); |
| set.add(model2); |
| |
| String propertyName = "value"; |
| propertyDescriptor = ((IBeanProperty) BeanProperties.value(Bean.class, |
| propertyName)).getPropertyDescriptor(); |
| map = BeansObservables.observeMap(set, Bean.class, propertyName); |
| beanObservable = (IBeanObservable) map; |
| } |
| |
| public void testGetValue() throws Exception { |
| assertEquals( |
| "The 'value' from the map should be the value of the property of the model.", |
| model1.getValue(), map.get(model1)); |
| } |
| |
| public void testGetValue_KeyOutOfDomain() { |
| Bean model3 = new Bean("3"); |
| assertFalse(map.containsKey(model3)); |
| assertFalse(model3.getValue().equals(map.get(model3))); |
| } |
| |
| public void testSetValueNotifications() throws Exception { |
| String oldValue = model1.getValue(); |
| String newValue = model1.getValue() + model1.getValue(); |
| MapChangeEventTracker listener = new MapChangeEventTracker(); |
| |
| map.addMapChangeListener(listener); |
| assertEquals(0, listener.count); |
| model1.setValue(newValue); |
| assertEquals(1, listener.count); |
| assertTrue(listener.event.diff.getChangedKeys().contains(model1)); |
| assertEquals(newValue, listener.event.diff.getNewValue(model1)); |
| assertEquals(oldValue, listener.event.diff.getOldValue(model1)); |
| assertFalse(listener.event.diff.getAddedKeys().contains(model1)); |
| assertFalse(listener.event.diff.getRemovedKeys().contains(model1)); |
| } |
| |
| public void testPutValue() throws Exception { |
| String oldValue = model1.getValue(); |
| String newValue = model1.getValue() + model1.getValue(); |
| MapChangeEventTracker listener = new MapChangeEventTracker(); |
| map.addMapChangeListener(listener); |
| |
| assertEquals(0, listener.count); |
| map.put(model1, newValue); |
| assertEquals(1, listener.count); |
| assertEquals(newValue, model1.getValue()); |
| assertEquals(oldValue, listener.event.diff.getOldValue(model1)); |
| assertEquals(newValue, listener.event.diff.getNewValue(model1)); |
| assertFalse(listener.event.diff.getAddedKeys().contains(model1)); |
| assertTrue(listener.event.diff.getChangedKeys().contains(model1)); |
| assertFalse(listener.event.diff.getRemovedKeys().contains(model1)); |
| } |
| |
| public void testAddKey() throws Exception { |
| MapChangeEventTracker listener = new MapChangeEventTracker(); |
| map.addMapChangeListener(listener); |
| |
| Bean model3 = new Bean("3"); |
| |
| assertEquals(0, listener.count); |
| set.add(model3); |
| assertEquals(1, listener.count); |
| assertTrue(listener.event.diff.getAddedKeys().contains(model3)); |
| assertEquals(model3.getValue(), map.get(model3)); |
| |
| String newValue = model3.getValue() + model3.getValue(); |
| model3.setValue(newValue); |
| assertEquals(2, listener.count); |
| assertEquals(3, map.size()); |
| } |
| |
| public void testRemoveKey() throws Exception { |
| MapChangeEventTracker listener = new MapChangeEventTracker(); |
| map.addMapChangeListener(listener); |
| |
| assertEquals(0, listener.count); |
| set.remove(model1); |
| assertEquals(1, listener.count); |
| assertFalse(listener.event.diff.getAddedKeys().contains(model1)); |
| assertFalse(listener.event.diff.getChangedKeys().contains(model1)); |
| assertTrue(listener.event.diff.getRemovedKeys().contains(model1)); |
| assertEquals(1, map.size()); |
| } |
| |
| public void testGetObserved() throws Exception { |
| assertEquals(set, beanObservable.getObserved()); |
| } |
| |
| public void testGetPropertyDescriptor() throws Exception { |
| assertEquals(propertyDescriptor, beanObservable.getPropertyDescriptor()); |
| } |
| |
| public void testConstructor_SkipRegisterListeners() throws Exception { |
| Realm realm = new CurrentRealm(true); |
| WritableSet set = new WritableSet(realm); |
| Bean bean = new Bean(); |
| set.add(bean); |
| |
| IObservableMap observable = PojoObservables.observeMap(set, Bean.class, |
| "value"); |
| assertFalse(bean.hasListeners("value")); |
| ChangeEventTracker.observe(observable); |
| |
| assertFalse(bean.hasListeners("value")); |
| } |
| |
| public void testConstructor_RegistersListeners() throws Exception { |
| Realm realm = new CurrentRealm(true); |
| WritableSet set = new WritableSet(realm); |
| Bean bean = new Bean(); |
| set.add(bean); |
| |
| IObservableMap observable = BeansObservables.observeMap(set, |
| Bean.class, "value"); |
| assertFalse(bean.hasListeners("value")); |
| ChangeEventTracker.observe(observable); |
| |
| assertTrue(bean.hasListeners("value")); |
| } |
| |
| public void testSetBeanProperty_CorrectForNullOldAndNewValues() { |
| // The java bean spec allows the old and new values in a |
| // PropertyChangeEvent to be null, which indicates that an unknown |
| // change occured. |
| |
| // This test ensures that JavaBeanObservableValue fires the correct |
| // value diff even if the bean implementor is lazy :-P |
| |
| WritableSet set = new WritableSet(new CurrentRealm(true)); |
| |
| Bean bean = new AnnoyingBean(); |
| bean.setValue("old"); |
| set.add(bean); |
| |
| IObservableMap map = BeansObservables.observeMap(set, Bean.class, |
| "value"); |
| MapChangeEventTracker tracker = MapChangeEventTracker.observe(map); |
| |
| bean.setValue("new"); |
| |
| assertEquals(1, tracker.count); |
| |
| assertEquals(Collections.EMPTY_SET, tracker.event.diff.getAddedKeys()); |
| assertEquals(Collections.singleton(bean), tracker.event.diff |
| .getChangedKeys()); |
| assertEquals(Collections.EMPTY_SET, tracker.event.diff.getRemovedKeys()); |
| |
| assertEquals("old", tracker.event.diff.getOldValue(bean)); |
| assertEquals("new", tracker.event.diff.getNewValue(bean)); |
| } |
| |
| public void testModifyObservableMap_FiresMapChange() { |
| Bean bean = new Bean(Collections.singletonMap("key", "oldValue")); |
| IObservableMap observable = BeansObservables.observeMap(bean, "map"); |
| MapChangeEventTracker tracker = MapChangeEventTracker |
| .observe(observable); |
| |
| observable.put("key", "newValue"); |
| |
| assertEquals(1, tracker.count); |
| assertDiff(tracker.event.diff, Collections.singletonMap("key", |
| "oldValue"), Collections.singletonMap("key", "newValue")); |
| } |
| |
| public void testSetBeanPropertyOutsideRealm_FiresEventInsideRealm() { |
| Bean bean = new Bean(Collections.EMPTY_MAP); |
| CurrentRealm realm = new CurrentRealm(true); |
| IObservableMap observable = BeansObservables.observeMap(realm, bean, |
| "map"); |
| MapChangeEventTracker tracker = MapChangeEventTracker |
| .observe(observable); |
| |
| realm.setCurrent(false); |
| bean.setMap(Collections.singletonMap("key", "value")); |
| assertEquals(0, tracker.count); |
| |
| realm.setCurrent(true); |
| assertEquals(1, tracker.count); |
| assertDiff(tracker.event.diff, Collections.EMPTY_MAP, Collections |
| .singletonMap("key", "value")); |
| } |
| |
| private static void assertDiff(MapDiff diff, Map oldMap, Map newMap) { |
| oldMap = new HashMap(oldMap); // defensive copy in case arg is |
| // unmodifiable |
| diff.applyTo(oldMap); |
| assertEquals("applying diff to list did not produce expected result", |
| newMap, oldMap); |
| } |
| |
| public static Test suite() { |
| TestSuite suite = new TestSuite(JavaBeanObservableMapTest.class |
| .getName()); |
| suite.addTestSuite(JavaBeanObservableMapTest.class); |
| return suite; |
| } |
| } |