Source Code Cross Referenced for PropertyAccessImplTest.java in  » Library » Tapestry » org » apache » tapestry » ioc » internal » services » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Library » Tapestry » org.apache.tapestry.ioc.internal.services 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        // Copyright 2006, 2007 The Apache Software Foundation
002:        //
003:        // Licensed under the Apache License, Version 2.0 (the "License");
004:        // you may not use this file except in compliance with the License.
005:        // You may obtain a copy of the License at
006:        //
007:        //     http://www.apache.org/licenses/LICENSE-2.0
008:        //
009:        // Unless required by applicable law or agreed to in writing, software
010:        // distributed under the License is distributed on an "AS IS" BASIS,
011:        // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012:        // See the License for the specific language governing permissions and
013:        // limitations under the License.
014:
015:        package org.apache.tapestry.ioc.internal.services;
016:
017:        import java.awt.Image;
018:        import java.beans.BeanDescriptor;
019:        import java.beans.BeanInfo;
020:        import java.beans.EventSetDescriptor;
021:        import java.beans.MethodDescriptor;
022:        import java.beans.PropertyDescriptor;
023:        import java.util.Arrays;
024:        import java.util.Random;
025:
026:        import org.apache.tapestry.ioc.Registry;
027:        import org.apache.tapestry.ioc.annotations.Scope;
028:        import org.apache.tapestry.ioc.internal.IOCInternalTestCase;
029:        import org.apache.tapestry.ioc.services.ClassPropertyAdapter;
030:        import org.apache.tapestry.ioc.services.PropertyAccess;
031:        import org.apache.tapestry.ioc.services.PropertyAdapter;
032:        import org.testng.annotations.Test;
033:
034:        public class PropertyAccessImplTest extends IOCInternalTestCase {
035:            private static final String CLASS_NAME = PropertyAccessImplTest.class
036:                    .getName();
037:
038:            private PropertyAccess _access = new PropertyAccessImpl();
039:
040:            private Random _random = new Random();
041:
042:            public static class Bean {
043:                private int _value;
044:
045:                public int getValue() {
046:                    return _value;
047:                }
048:
049:                public void setValue(int value) {
050:                    _value = value;
051:                }
052:
053:                @Override
054:                public String toString() {
055:                    return "PropertyUtilsTestBean";
056:                }
057:
058:                public void setWriteOnly(boolean b) {
059:                }
060:
061:                public String getReadOnly() {
062:                    return null;
063:                }
064:            }
065:
066:            public static class ExceptionBean {
067:                public boolean getFailure() {
068:                    throw new RuntimeException("getFailure");
069:                }
070:
071:                public void setFailure(boolean b) {
072:                    throw new RuntimeException("setFailure");
073:                }
074:
075:                @Override
076:                public String toString() {
077:                    return "PropertyUtilsExceptionBean";
078:                }
079:            }
080:
081:            public static class UglyBean {
082:            }
083:
084:            public static class UglyBeanBeanInfo implements  BeanInfo {
085:
086:                public BeanInfo[] getAdditionalBeanInfo() {
087:                    return new BeanInfo[0];
088:                }
089:
090:                public BeanDescriptor getBeanDescriptor() {
091:                    return null;
092:                }
093:
094:                public int getDefaultEventIndex() {
095:                    return 0;
096:                }
097:
098:                public int getDefaultPropertyIndex() {
099:                    return 0;
100:                }
101:
102:                public EventSetDescriptor[] getEventSetDescriptors() {
103:                    return new EventSetDescriptor[0];
104:                }
105:
106:                public Image getIcon(int iconKind) {
107:                    return null;
108:                }
109:
110:                public MethodDescriptor[] getMethodDescriptors() {
111:                    return new MethodDescriptor[0];
112:                }
113:
114:                public PropertyDescriptor[] getPropertyDescriptors() {
115:                    throw new RuntimeException("This is the UglyBean.");
116:                }
117:
118:            }
119:
120:            public static class BooleanHolder {
121:                private boolean _flag;
122:
123:                public boolean isFlag() {
124:                    return _flag;
125:                }
126:
127:                public void setFlag(boolean flag) {
128:                    _flag = flag;
129:                }
130:            }
131:
132:            @Test
133:            public void simple_read_access() {
134:                Bean b = new Bean();
135:
136:                int value = _random.nextInt();
137:
138:                b.setValue(value);
139:
140:                assertEquals(_access.get(b, "value"), value);
141:            }
142:
143:            @Test
144:            public void property_name_case_is_ignored_on_read() {
145:                Bean b = new Bean();
146:
147:                int value = _random.nextInt();
148:
149:                b.setValue(value);
150:
151:                assertEquals(_access.get(b, "VALUE"), value);
152:            }
153:
154:            @Test
155:            public void simple_write_access() {
156:                Bean b = new Bean();
157:
158:                int value = _random.nextInt();
159:
160:                _access.set(b, "value", value);
161:
162:                assertEquals(b.getValue(), value);
163:            }
164:
165:            @Test
166:            public void property_name_case_is_ignored_on_write() {
167:                Bean b = new Bean();
168:
169:                int value = _random.nextInt();
170:
171:                _access.set(b, "VALUE", value);
172:
173:                assertEquals(b.getValue(), value);
174:            }
175:
176:            @Test
177:            public void missing_property() {
178:                Bean b = new Bean();
179:
180:                try {
181:                    _access.get(b, "zaphod");
182:
183:                    unreachable();
184:                } catch (IllegalArgumentException ex) {
185:                    assertEquals(ex.getMessage(), "Class " + CLASS_NAME
186:                            + "$Bean does not "
187:                            + "contain a property named 'zaphod'.");
188:                }
189:            }
190:
191:            @Test
192:            public void attempt_to_update_read_only_property() {
193:                Bean b = new Bean();
194:
195:                try {
196:                    _access.set(b, "class", null);
197:                    unreachable();
198:                } catch (UnsupportedOperationException ex) {
199:                    assertEquals(
200:                            ex.getMessage(),
201:                            "Class "
202:                                    + CLASS_NAME
203:                                    + "$Bean does not provide an mutator ('setter') method for property 'class'.");
204:                }
205:            }
206:
207:            @Test
208:            public void attempt_to_read_from_write_only_property() {
209:                Bean b = new Bean();
210:
211:                try {
212:                    _access.get(b, "writeOnly");
213:                    unreachable();
214:                } catch (UnsupportedOperationException ex) {
215:                    assertEquals(
216:                            ex.getMessage(),
217:                            "Class "
218:                                    + CLASS_NAME
219:                                    + "$Bean does not provide an accessor ('getter') method for property 'writeOnly'.");
220:                }
221:            }
222:
223:            @Test
224:            public void exception_thrown_inside_getter() {
225:                ExceptionBean b = new ExceptionBean();
226:
227:                try {
228:                    _access.get(b, "failure");
229:                    unreachable();
230:                } catch (RuntimeException ex) {
231:                    assertEquals(ex.getMessage(),
232:                            "Error reading property 'failure' of PropertyUtilsExceptionBean: getFailure");
233:                }
234:            }
235:
236:            @Test
237:            public void exception_thrown_inside_setter() {
238:                ExceptionBean b = new ExceptionBean();
239:
240:                try {
241:                    _access.set(b, "failure", false);
242:                    unreachable();
243:                } catch (RuntimeException ex) {
244:                    assertEquals(ex.getMessage(),
245:                            "Error updating property 'failure' of PropertyUtilsExceptionBean: setFailure");
246:                }
247:            }
248:
249:            @Test
250:            public void failure_when_introspecting_class() {
251:                UglyBean b = new UglyBean();
252:
253:                try {
254:                    _access.get(b, "google");
255:                    unreachable();
256:                } catch (RuntimeException ex) {
257:                    assertEquals(ex.getMessage(),
258:                            "java.lang.RuntimeException: This is the UglyBean.");
259:                }
260:            }
261:
262:            @Test
263:            public void clear_wipes_internal_cache() {
264:                ClassPropertyAdapter cpa1 = _access.getAdapter(Bean.class);
265:
266:                assertSame(cpa1.getBeanType(), Bean.class);
267:
268:                ClassPropertyAdapter cpa2 = _access.getAdapter(Bean.class);
269:
270:                assertSame(cpa2, cpa1);
271:
272:                _access.clearCache();
273:
274:                ClassPropertyAdapter cpa3 = _access.getAdapter(Bean.class);
275:
276:                assertNotSame(cpa3, cpa1);
277:            }
278:
279:            @Test
280:            public void class_property_adapter_toString() {
281:                ClassPropertyAdapter cpa = _access.getAdapter(Bean.class);
282:
283:                assertEquals(cpa.toString(), "<ClassPropertyAdaptor "
284:                        + CLASS_NAME
285:                        + "$Bean : class, readOnly, value, writeOnly>");
286:            }
287:
288:            @Test
289:            public void property_adapter_read_only_property() {
290:                ClassPropertyAdapter cpa = _access.getAdapter(Bean.class);
291:                PropertyAdapter pa = cpa.getPropertyAdapter("readOnly");
292:
293:                assertTrue(pa.isRead());
294:                assertFalse(pa.isUpdate());
295:
296:                assertNull(pa.getWriteMethod());
297:                assertEquals(pa.getReadMethod(), findMethod(Bean.class,
298:                        "getReadOnly"));
299:            }
300:
301:            @Test
302:            public void property_adapter_write_only_property() {
303:                ClassPropertyAdapter cpa = _access.getAdapter(Bean.class);
304:                PropertyAdapter pa = cpa.getPropertyAdapter("writeOnly");
305:
306:                assertFalse(pa.isRead());
307:                assertTrue(pa.isUpdate());
308:
309:                assertEquals(pa.getWriteMethod(), findMethod(Bean.class,
310:                        "setWriteOnly"));
311:                assertNull(pa.getReadMethod());
312:            }
313:
314:            @Test
315:            public void class_property_adapter_returns_null_for_unknown_property() {
316:                ClassPropertyAdapter cpa = _access.getAdapter(Bean.class);
317:
318:                assertNull(cpa.getPropertyAdapter("google"));
319:            }
320:
321:            @Test
322:            public void access_to_property_type() {
323:                ClassPropertyAdapter cpa = _access.getAdapter(Bean.class);
324:
325:                assertEquals(cpa.getPropertyAdapter("value").getType(),
326:                        int.class);
327:                assertEquals(cpa.getPropertyAdapter("readOnly").getType(),
328:                        String.class);
329:                assertEquals(cpa.getPropertyAdapter("writeOnly").getType(),
330:                        boolean.class);
331:            }
332:
333:            @Test
334:            public void property_names() {
335:                ClassPropertyAdapter cpa = _access.getAdapter(Bean.class);
336:
337:                assertEquals(cpa.getPropertyNames(), Arrays.asList("class",
338:                        "readOnly", "value", "writeOnly"));
339:            }
340:
341:            @Test
342:            public void integration() {
343:                Registry registry = buildRegistry();
344:
345:                PropertyAccess pa = registry.getService("PropertyAccess",
346:                        PropertyAccess.class);
347:
348:                Bean b = new Bean();
349:
350:                int value = _random.nextInt();
351:
352:                pa.set(b, "value", value);
353:
354:                assertEquals(b.getValue(), value);
355:            }
356:
357:            @Test
358:            public void super _interface_methods_inherited_by_sub_interface() {
359:                ClassPropertyAdapter cpa = _access
360:                        .getAdapter(SubInterface.class);
361:
362:                assertEquals(cpa.getPropertyNames(), Arrays.asList(
363:                        "grandParentProperty", "parentProperty", "subProperty"));
364:            }
365:
366:            @Test
367:            public void indexed_properties_are_ignored() {
368:                ClassPropertyAdapter cpa = _access
369:                        .getAdapter(BeanWithIndexedProperty.class);
370:
371:                assertEquals(cpa.getPropertyNames(), Arrays.asList("class",
372:                        "primitiveProperty"));
373:            }
374:
375:            @Test
376:            public void get_annotation_when_annotation_not_present() {
377:                PropertyAdapter pa = _access.getAdapter(AnnotatedBean.class)
378:                        .getPropertyAdapter("readWrite");
379:
380:                assertNull(pa.getAnnotation(Scope.class));
381:            }
382:
383:            @Test
384:            public void get_annotation_with_annotation_on_write_method() {
385:                PropertyAdapter pa = _access.getAdapter(AnnotatedBean.class)
386:                        .getPropertyAdapter("annotationOnWrite");
387:
388:                Scope annotation = pa.getAnnotation(Scope.class);
389:                assertNotNull(annotation);
390:
391:                assertEquals(annotation.value(), "onwrite");
392:            }
393:
394:            @Test
395:            public void read_method_annotation_overrides_write_method_annotation() {
396:                PropertyAdapter pa = _access.getAdapter(AnnotatedBean.class)
397:                        .getPropertyAdapter("annotationOnRead");
398:
399:                Scope annotation = pa.getAnnotation(Scope.class);
400:                assertNotNull(annotation);
401:
402:                assertEquals(annotation.value(), "onread");
403:            }
404:
405:            @Test
406:            public void no_write_method_reading_missing_annotation() {
407:                PropertyAdapter pa = _access.getAdapter(AnnotatedBean.class)
408:                        .getPropertyAdapter("readOnly");
409:
410:                assertNull(pa.getAnnotation(Scope.class));
411:            }
412:        }
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