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1 package org.netbeans.modules.xml.xam;
2
3 import java.beans.PropertyChangeEvent  ;
4 import java.beans.PropertyChangeListener ;
5 import junit.framework.*;
6 import java.util.ArrayList ;
7 import java.util.List ;
8 import org.openide.util.WeakListeners;
9
10
14 public class AbstractModelTest extends TestCase {
15 PropertyListener plistener;
16 TestComponentListener listener;
17 TestModel model;
18 TestComponent root;
19
20 static class PropertyListener implements PropertyChangeListener {
21 List <PropertyChangeEvent > events = new ArrayList <PropertyChangeEvent >();
22 public void propertyChange(PropertyChangeEvent evt) {
23 events.add(evt);
24 }
25
26 public void assertEvent(String propertyName, Object old, Object now) {
27 for (PropertyChangeEvent e : events) {
28 if (propertyName.equals(e.getPropertyName())) {
29 if (old != null && ! old.equals(e.getOldValue()) ||
30 old == null && e.getOldValue() != null) {
31 continue;
32 }
33 if (now != null && ! now.equals(e.getNewValue()) ||
34 now == null && e.getNewValue() != null) {
35 continue;
36 }
37 return; }
39 }
40 assertTrue("Expect property change event on "+propertyName+" with "+old+" and "+now, false);
41 }
42 }
43
44 class TestComponentListener implements ComponentListener {
45 List <ComponentEvent> accu = new ArrayList <ComponentEvent>();
46 public void valueChanged(ComponentEvent evt) {
47 accu.add(evt);
48 }
49 public void childrenAdded(ComponentEvent evt) {
50 accu.add(evt);
51 }
52 public void childrenDeleted(ComponentEvent evt) {
53 accu.add(evt);
54 }
55 public void reset() { accu.clear(); }
56 public int getEventCount() { return accu.size(); }
57 public List <ComponentEvent> getEvents() { return accu; }
58
59 private void assertEvent(ComponentEvent.EventType type, Component source) {
60 for (ComponentEvent e : accu) {
61 if (e.getEventType().equals(type) &&
62 e.getSource() == source) {
63 return;
64 }
65 }
66 assertTrue("Expect component change event " + type +" on source " + source +
67 ". Instead received: " + accu, false);
68 }
69 }
70
71 public AbstractModelTest(String testName) {
72 super(testName);
73 }
74
75 protected void setUp() throws Exception {
76 model = new TestModel();
77 listener = new TestComponentListener();
78 plistener = new PropertyListener();
79 model.addComponentListener(listener);
80 model.addPropertyChangeListener(plistener);
81 }
82
83 protected void tearDown() throws Exception {
84 model.removePropertyChangeListener(plistener);
85 model.removeComponentListener(listener);
86 }
87
88 public static Test suite() {
89 return new TestSuite(AbstractModelTest.class);
90 }
91
92 public void testWeakListenerRemoval() throws Exception {
93 TestModel model = new TestModel();
94 TestComponent root = model.getRootComponent();
95 TestComponentListener listener1 = new TestComponentListener();
96 TestComponentListener listener2 = new TestComponentListener();
97 TestComponentListener listener3 = new TestComponentListener();
98 TestComponentListener listener4 = new TestComponentListener();
99 TestComponentListener listener5 = new TestComponentListener();
100 model.addComponentListener((ComponentListener)WeakListeners.create(ComponentListener.class, listener1, model));
101 model.addComponentListener((ComponentListener)WeakListeners.create(ComponentListener.class, listener2, model));
102 model.addComponentListener((ComponentListener)WeakListeners.create(ComponentListener.class, listener3, model));
103 model.addComponentListener((ComponentListener)WeakListeners.create(ComponentListener.class, listener4, model));
104 model.addComponentListener((ComponentListener)WeakListeners.create(ComponentListener.class, listener5, model));
105
106 model.startTransaction();
107 model.addChildComponent(root, new TestComponent.B(model, 1), -1);
108 model.endTransaction();
109
110 listener1.assertEvent(ComponentEvent.EventType.CHILD_ADDED, root);
111 listener2.assertEvent(ComponentEvent.EventType.CHILD_ADDED, root);
112 listener3.assertEvent(ComponentEvent.EventType.CHILD_ADDED, root);
113 listener4.assertEvent(ComponentEvent.EventType.CHILD_ADDED, root);
114 listener5.assertEvent(ComponentEvent.EventType.CHILD_ADDED, root);
115
116 listener2 = null;
117 listener3 = null;
118 listener4 = null;
119 listener5 = null;
120 System.gc();
121 Thread.sleep(50);
122
123 assertEquals(1, model.getComponentListenerList().getListenerCount());
124 }
125
126 public void testStateChangeEvent() throws Exception {
127 model.startTransaction();
128 model.setState(Model.State.NOT_WELL_FORMED);
129 model.endTransaction();
130 plistener.assertEvent(Model.STATE_PROPERTY, Model.State.VALID, Model.State.NOT_WELL_FORMED);
131 }
132
133 private class FlushListener implements PropertyChangeListener {
134 long flushTime = 0;
135 public FlushListener() {
136 model.getAccess().addFlushListener(this);
137 }
138 public void propertyChange(PropertyChangeEvent evt) {
139 if (evt.getSource() == model.getAccess() && evt.getPropertyName().equals("flushed")) {
140 flushTime = ((Long )evt.getNewValue()).longValue();
141 }
142 }
143 public void assertFlushEvent(long since) {
144 assertTrue("Expect flush event after "+since, flushTime >= since);
145 }
146 public void assertNoFlushEvents(long since) {
147 assertTrue("Expect no flush events after "+since, flushTime < since);
148 }
149 }
150
151 public void testReadOnlyTransactionSkipFlush() throws Exception {
152 FlushListener list = new FlushListener();
153 long since = System.currentTimeMillis();
154 model.startTransaction();
155 model.endTransaction();
156 list.assertNoFlushEvents(since);
157 }
158
159 public void testWriteTransactionDidFlush() throws Exception {
160 FlushListener list = new FlushListener();
161 long since = System.currentTimeMillis();
162 model.startTransaction();
163 model.getRootComponent().setValue("newValue");
164 model.endTransaction();
165 list.assertFlushEvent(since);
166 }
167
168 public void testModelFactoryListener() throws Exception {
169 TestModel2.factory().addPropertyChangeListener(plistener);
170 TestModel2 m = TestModel2.factory().getModel(Util.createModelSource(
171 "resources/test1.xml"));
172 plistener.assertEvent(TestModel2.factory().MODEL_LOADED_PROPERTY, null, m);
173 }
174 }
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