|
1
46
47 package org.codehaus.groovy.runtime;
48
49 import groovy.lang.Closure;
50 import groovy.lang.MissingMethodException;
51 import groovy.util.GroovyTestCase;
52 import groovy.util.Node;
53
54 import java.awt.HeadlessException  ;
55 import java.awt.Point ;
56 import java.util.ArrayList ;
57 import java.util.HashMap ;
58 import java.util.List ;
59 import java.util.Map ;
60
61 import javax.swing.JButton ;
62 import javax.swing.JFrame ;
63 import javax.swing.JPanel ;
64
65
71 public class PropertyTest extends GroovyTestCase {
72
73 protected Invoker invoker = new Invoker();
74
75 public void testMapProperties() throws Exception {
76 Map map = new HashMap ();
77 map.put("foo", "abc");
78 map.put("bar", new Integer (123));
79
80 assertGetSetProperty(map, "foo", "abc", "def");
81 assertGetSetProperty(map, "bar", new Integer (123), new Double (12.34));
82 }
83
84 public void testBeanProperties() throws Exception {
85 DummyBean bean = new DummyBean();
86
87 assertGetSetProperty(bean, "name", "James", "Bob");
88 assertGetSetProperty(bean, "i", new Integer (123), new Integer (455));
89
90 assertGetSetProperty(bean, "dynamicFoo", null, "aValue");
92 assertGetSetProperty(bean, "dynamicFoo", "aValue", "NewValue");
93 }
94
95 public void testUsingMethodProperty() throws Exception {
96 DummyBean bean = new DummyBean();
97
98 assertGetSetProperty(bean, "name", "James", "Bob");
99
100 Object value = InvokerHelper.getProperty(bean, "getName");
101 assertTrue("Should have returned a closure: " + value, value instanceof Closure);
102 Closure closure = (Closure) value;
103 Object result = closure.call(null);
104 assertEquals("Result of call to closure", "Bob", result);
105 }
106
107 public void testStaticProperty() throws Exception {
108 Object value = InvokerHelper.getProperty(System .class, "out");
109 assertEquals("static property out", System.out, value);
110 }
111
112 public void testClassProperty() throws Exception {
113 Class c = String .class;
114 Object value = InvokerHelper.getProperty(c, "name");
115 assertEquals("class name property", c.getName(), value);
116 }
117
118 public void testMapEntryProperty() throws Exception {
119 HashMap map = new HashMap ();
120 map.put("a", "x");
121 Object [] array = map.entrySet().toArray();
122 Object entry = array[0];
123
124 Object key = InvokerHelper.getProperty(entry, "key");
125 assertEquals("key property", "a", key);
126
127 Object value = InvokerHelper.getProperty(entry, "value");
128 assertEquals("value property", "x", value);
129 }
130
131 public void testMethodProperty() throws Exception {
132 Object value = InvokerHelper.getProperty(this, "getCheese");
133 assertTrue("Should have returned a closure: " + value, value instanceof Closure);
134
135 Object result = ((Closure) value).call();
136 assertEquals("result of closure call", getCheese(), result);
137
138 System.out.println("Closure: " + value + " and cheese: " + result);
139 }
140
141 public void testListCoercionProperty() throws Exception {
142 DummyBean bean = new DummyBean();
143 List list = new ArrayList ();
144 list.add(new Integer (10));
145 list.add(new Integer (20));
146
147 InvokerHelper.setProperty(bean, "point", list);
148 assertEquals("Should have set a point", new Point (10, 20), bean.getPoint());
149 }
150
151 public void testListCoercionPropertyOnJFrame() throws Exception {
152 try {
153 JFrame bean = new JFrame ();
154 List list = new ArrayList ();
155 list.add(new Integer (10));
156 list.add(new Integer (20));
157
158 InvokerHelper.setProperty(bean, "location", list);
159 assertEquals("Should have set a point", new Point (10, 20), bean.getLocation());
160 }
161 catch (HeadlessException e) {
162 }
164 catch (MissingMethodException e) {
165 System.out.println("Failed with cause: " + e);
166 e.printStackTrace();
167 fail("Should not have throw: " + e);
168 }
169 }
170
171 public void testListNavigationProperty() throws Exception {
172 List list = new ArrayList ();
173 list.add(new DummyBean("James"));
174 list.add(new DummyBean("Bob"));
175
176 List value = (List ) InvokerHelper.getProperty(list, "name");
177 assertArrayEquals(new Object [] { "James", "Bob" }, value.toArray());
178 }
179
180 public void testListOfListNavigationProperty() throws Exception {
181 List list = new ArrayList ();
182 list.add(new DummyBean("James"));
183 list.add(new DummyBean("Bob"));
184
185 List listOfList = new ArrayList ();
186 listOfList.add(list);
187
188 List value = (List ) InvokerHelper.getProperty(listOfList, "name");
189 assertArrayEquals(new Object [] { "James", "Bob" }, value.toArray());
190 }
191
192 public void testNodeNavigationProperty() throws Exception {
193 Node z = new Node(null, "z");
194 Node y = new Node(null, "y");
195
196 List children = new ArrayList ();
197 children.add(y);
198 children.add(z);
199
200 Node x = new Node(null, "x", children);
201
202 children = new ArrayList ();
203 children.add(x);
204 Node b = new Node(null, "b", children);
205
206
208 List value = (List ) InvokerHelper.getProperty(b, "x");
209 assertArrayEquals(new Object [] { x }, value.toArray());
210
211 value = (List ) InvokerHelper.getProperty(value, "z");
212 assertArrayEquals(new Object [] { z }, value.toArray());
213 }
214
215 public void testUsingInPropertyOnProcessViaGroovyMethod() throws Exception {
216 Process process = DefaultGroovyMethods.execute("java -version");
217 Object value = InvokerHelper.getProperty(process, "in");
218 assertNotNull(value);
219
220 System.out.println("Found in: " + value);
221
222 process.destroy();
223 }
224
225 public Object getCheese() {
226 return "cheddar";
227 }
228
229 public void testComponentParent() {
230 JPanel panel = new JPanel ();
231 JButton bean = new JButton ();
232
233 panel.add(bean);
234
235 Object value = InvokerHelper.getProperty(bean, "parent");
236 assertTrue(value != null);
237 }
238
239
242 protected void assertGetSetProperty(Object object, String property, Object currentValue, Object newValue) {
243 assertGetProperty(object, property, currentValue);
244
245 InvokerHelper.setProperty(object, property, newValue);
246
247 assertGetProperty(object, property, newValue);
248 }
249
250 protected void assertGetProperty(Object object, String property, Object expected) {
251 Object value = InvokerHelper.getProperty(object, property);
252
253 assertEquals("property: " + property + " of: " + object, expected, value);
254 }
255 }
256 |
Popular Tags |
Java API By Example, From Geeks To Geeks.