1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
|
/*******************************************************************************
* 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;
}
}
|
