Source Code Cross Referenced for PropertyTest.java in  » Scripting » groovy-1.0 » org » codehaus » groovy » runtime » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Scripting » groovy 1.0 » org.codehaus.groovy.runtime 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         $Id: PropertyTest.java 2272 2005-06-10 13:42:22Z cstein $
003:
004:         Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
005:
006:         Redistribution and use of this software and associated documentation
007:         ("Software"), with or without modification, are permitted provided
008:         that the following conditions are met:
009:
010:         1. Redistributions of source code must retain copyright
011:            statements and notices.  Redistributions must also contain a
012:            copy of this document.
013:
014:         2. Redistributions in binary form must reproduce the
015:            above copyright notice, this list of conditions and the
016:            following disclaimer in the documentation and/or other
017:            materials provided with the distribution.
018:
019:         3. The name "groovy" must not be used to endorse or promote
020:            products derived from this Software without prior written
021:            permission of The Codehaus.  For written permission,
022:            please contact info@codehaus.org.
023:
024:         4. Products derived from this Software may not be called "groovy"
025:            nor may "groovy" appear in their names without prior written
026:            permission of The Codehaus. "groovy" is a registered
027:            trademark of The Codehaus.
028:
029:         5. Due credit should be given to The Codehaus -
030:            http://groovy.codehaus.org/
031:
032:         THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
033:         ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
034:         NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
035:         FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
036:         THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
037:         INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
038:         (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
039:         SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
040:         HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
041:         STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
042:         ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
043:         OF THE POSSIBILITY OF SUCH DAMAGE.
044:
045:         */
046:
047:        package org.codehaus.groovy.runtime;
048:
049:        import groovy.lang.MissingMethodException;
050:        import groovy.util.GroovyTestCase;
051:        import groovy.util.Node;
052:
053:        import java.awt.HeadlessException;
054:        import java.awt.Point;
055:        import java.util.ArrayList;
056:        import java.util.HashMap;
057:        import java.util.List;
058:        import java.util.Map;
059:
060:        import javax.swing.JButton;
061:        import javax.swing.JFrame;
062:        import javax.swing.JPanel;
063:
064:        /**
065:         * Test the property access of the Invoker class
066:         * 
067:         * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
068:         * @version $Revision: 2272 $
069:         */
070:        public class PropertyTest extends GroovyTestCase {
071:
072:            protected Invoker invoker = new Invoker();
073:
074:            public void testMapProperties() throws Exception {
075:                Map map = new HashMap();
076:                map.put("foo", "abc");
077:                map.put("bar", new Integer(123));
078:
079:                assertGetSetProperty(map, "foo", "abc", "def");
080:                assertGetSetProperty(map, "bar", new Integer(123), new Double(
081:                        12.34));
082:            }
083:
084:            public void testBeanProperties() throws Exception {
085:                DummyBean bean = new DummyBean();
086:
087:                assertGetSetProperty(bean, "name", "James", "Bob");
088:                assertGetSetProperty(bean, "i", new Integer(123), new Integer(
089:                        455));
090:
091:                // dynamic properties
092:                assertGetSetProperty(bean, "dynamicFoo", null, "aValue");
093:                assertGetSetProperty(bean, "dynamicFoo", "aValue", "NewValue");
094:            }
095:
096:            /** todo this is no longer possible in new groovy
097:             public void testUsingMethodProperty() throws Exception {
098:             DummyBean bean = new DummyBean();
099:
100:             assertGetSetProperty(bean, "name", "James", "Bob");
101:
102:             Object value = InvokerHelper.getProperty(bean, "getName");
103:             assertTrue("Should have returned a closure: " + value, value instanceof Closure);
104:             Closure closure = (Closure) value;
105:             Object result = closure.call(null);
106:             assertEquals("Result of call to closure", "Bob", result);
107:             }
108:             **/
109:
110:            public void testStaticProperty() throws Exception {
111:                Object value = InvokerHelper.getProperty(System.class, "out");
112:                assertEquals("static property out", System.out, value);
113:            }
114:
115:            public void testClassProperty() throws Exception {
116:                Class c = String.class;
117:                Object value = InvokerHelper.getProperty(c, "name");
118:                assertEquals("class name property", c.getName(), value);
119:            }
120:
121:            public void testMapEntryProperty() throws Exception {
122:                HashMap map = new HashMap();
123:                map.put("a", "x");
124:                Object[] array = map.entrySet().toArray();
125:                Object entry = array[0];
126:
127:                Object key = InvokerHelper.getProperty(entry, "key");
128:                assertEquals("key property", "a", key);
129:
130:                Object value = InvokerHelper.getProperty(entry, "value");
131:                assertEquals("value property", "x", value);
132:            }
133:
134:            /** todo this is no longer possible in new groovy
135:             public void testMethodProperty() throws Exception {
136:             Object value = InvokerHelper.getProperty(this, "getCheese");
137:             assertTrue("Should have returned a closure: " + value, value instanceof Closure);
138:
139:             Object result = ((Closure) value).call();
140:             assertEquals("result of closure call", getCheese(), result);
141:
142:             System.out.println("Closure: " + value + " and cheese: " + result);
143:             }
144:             **/
145:
146:            public void testListCoercionProperty() throws Exception {
147:                DummyBean bean = new DummyBean();
148:                List list = new ArrayList();
149:                list.add(new Integer(10));
150:                list.add(new Integer(20));
151:
152:                InvokerHelper.setProperty(bean, "point", list);
153:                assertEquals("Should have set a point", new Point(10, 20), bean
154:                        .getPoint());
155:            }
156:
157:            public void testListCoercionPropertyOnJFrame() throws Exception {
158:                try {
159:                    JFrame bean = new JFrame();
160:                    List list = new ArrayList();
161:                    list.add(new Integer(10));
162:                    list.add(new Integer(20));
163:
164:                    InvokerHelper.setProperty(bean, "location", list);
165:                    assertEquals("Should have set a point", new Point(10, 20),
166:                            bean.getLocation());
167:                } catch (HeadlessException e) {
168:                    // its fine to not run this test on headless environments
169:                } catch (MissingMethodException e) {
170:                    System.out.println("Failed with cause: " + e);
171:                    e.printStackTrace();
172:                    fail("Should not have throw: " + e);
173:                }
174:            }
175:
176:            public void testListNavigationProperty() throws Exception {
177:                List list = new ArrayList();
178:                list.add(new DummyBean("James"));
179:                list.add(new DummyBean("Bob"));
180:
181:                List value = (List) InvokerHelper.getProperty(list, "name");
182:                assertArrayEquals(new Object[] { "James", "Bob" }, value
183:                        .toArray());
184:            }
185:
186:            public void testListOfListNavigationProperty() throws Exception {
187:                List list = new ArrayList();
188:                list.add(new DummyBean("James"));
189:                list.add(new DummyBean("Bob"));
190:
191:                List listOfList = new ArrayList();
192:                listOfList.add(list);
193:
194:                List value = (List) InvokerHelper.getProperty(listOfList,
195:                        "name");
196:                assertArrayEquals(new Object[] { "James", "Bob" }, value
197:                        .toArray());
198:            }
199:
200:            public void testNodeNavigationProperty() throws Exception {
201:                Node z = new Node(null, "z");
202:                Node y = new Node(null, "y");
203:
204:                List children = new ArrayList();
205:                children.add(y);
206:                children.add(z);
207:
208:                Node x = new Node(null, "x", children);
209:
210:                children = new ArrayList();
211:                children.add(x);
212:                Node b = new Node(null, "b", children);
213:
214:                // @todo should try with just a node as the child
215:
216:                List value = (List) InvokerHelper.getProperty(b, "x");
217:                assertArrayEquals(new Object[] { x }, value.toArray());
218:
219:                value = (List) InvokerHelper.getProperty(value, "z");
220:                assertArrayEquals(new Object[] { z }, value.toArray());
221:            }
222:
223:            public void testUsingInPropertyOnProcessViaGroovyMethod()
224:                    throws Exception {
225:                Process process = DefaultGroovyMethods.execute("java -version");
226:                Object value = InvokerHelper.getProperty(process, "in");
227:                assertNotNull(value);
228:
229:                System.out.println("Found in: " + value);
230:
231:                process.destroy();
232:            }
233:
234:            public Object getCheese() {
235:                return "cheddar";
236:            }
237:
238:            public void testComponentParent() {
239:                JPanel panel = new JPanel();
240:                JButton bean = new JButton();
241:
242:                panel.add(bean);
243:
244:                Object value = InvokerHelper.getProperty(bean, "parent");
245:                assertTrue(value != null);
246:            }
247:
248:            // Implementation methods
249:            //-------------------------------------------------------------------------
250:
251:            protected void assertGetSetProperty(Object object, String property,
252:                    Object currentValue, Object newValue) {
253:                assertGetProperty(object, property, currentValue);
254:
255:                InvokerHelper.setProperty(object, property, newValue);
256:
257:                assertGetProperty(object, property, newValue);
258:            }
259:
260:            protected void assertGetProperty(Object object, String property,
261:                    Object expected) {
262:                Object value = InvokerHelper.getProperty(object, property);
263:
264:                assertEquals("property: " + property + " of: " + object,
265:                        expected, value);
266:            }
267:        }
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