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1
15 package org.apache.tapestry.enhance;
16
17 import java.lang.reflect.Modifier  ;
18 import java.util.Collections ;
19
20 import org.apache.hivemind.ApplicationRuntimeException;
21 import org.apache.hivemind.ErrorLog;
22 import org.apache.hivemind.Location;
23 import org.apache.hivemind.service.BodyBuilder;
24 import org.apache.hivemind.service.MethodSignature;
25 import org.apache.hivemind.test.HiveMindTestCase;
26 import org.apache.tapestry.BaseComponent;
27 import org.apache.tapestry.IComponent;
28 import org.apache.tapestry.spec.IComponentSpecification;
29 import org.apache.tapestry.spec.IParameterSpecification;
30 import org.apache.tapestry.spec.ParameterSpecification;
31 import org.easymock.MockControl;
32
33
38 public class TestParameterPropertyWorker extends HiveMindTestCase
39 {
40
41 private ParameterSpecification buildParameterSpec(String propertyName, String type,
42 Location location)
43 {
44 ParameterSpecification ps = new ParameterSpecification();
45
46 ps.setPropertyName(propertyName);
47 ps.setType(type);
48 ps.setLocation(location);
49
50 return ps;
51 }
52
53 private IComponentSpecification buildComponentSpecification(String parameterName,
54 IParameterSpecification ps)
55 {
56 MockControl c = newControl(IComponentSpecification.class);
57 IComponentSpecification result = (IComponentSpecification) c.getMock();
58
59 result.getParameterNames();
60
61 c.setReturnValue(Collections.singletonList(parameterName));
62
63 result.getParameter(parameterName);
64 c.setReturnValue(ps);
65
66 return result;
67 }
68
69 public void testFailure() throws Exception
70 {
71 Location l = fabricateLocation(207);
72
73 IComponentSpecification spec = buildComponentSpecification("fred", buildParameterSpec(
74 "wilma",
75 "String",
76 l));
77
78 MockControl opc = newControl(EnhancementOperation.class);
79 EnhancementOperation op = (EnhancementOperation) opc.getMock();
80
81 op.convertTypeName("String");
82 Throwable ex = new ApplicationRuntimeException("Simulated error.");
83 opc.setThrowable(ex);
84
85 op.getBaseClass();
86 opc.setReturnValue(BaseComponent.class);
87
88 ErrorLog log = (ErrorLog) newMock(ErrorLog.class);
89
90 log
91 .error(
92 "Error adding property wilma to class org.apache.tapestry.BaseComponent: Simulated error.",
93 l,
94 ex);
95
96 replayControls();
97
98 ParameterPropertyWorker w = new ParameterPropertyWorker();
99 w.setErrorLog(log);
100
101 w.performEnhancement(op, spec);
102
103 verifyControls();
104 }
105
106
110
111 public void testStandard()
112 {
113 IComponentSpecification spec = buildComponentSpecification("fred", buildParameterSpec(
114 "fred",
115 null,
116 null));
117
118 MockControl opc = newControl(EnhancementOperation.class);
119 EnhancementOperation op = (EnhancementOperation) opc.getMock();
120
121 op.getPropertyType("fred");
122 opc.setReturnValue(String .class);
123
124 op.claimProperty("fred");
125
126 op.addField("_$fred", String .class);
127 op.addField("_$fred$Default", String .class);
128 op.addField("_$fred$Cached", boolean.class);
129
130 op.getClassReference(String .class);
131 opc.setReturnValue("_class$String");
132
133 BodyBuilder builder = new BodyBuilder();
134 builder.begin();
135 builder.addln("if (_$fred$Cached) return _$fred;");
136 builder.addln("org.apache.tapestry.IBinding binding = getBinding(\"fred\");");
137 builder.addln("if (binding == null) return _$fred$Default;");
138 builder.add("java.lang.String result = ");
139 builder.addln("(java.lang.String) binding.getObject(_class$String);");
140 builder.addln("if (isRendering() || binding.isInvariant())");
141 builder.begin();
142 builder.addln("_$fred = result;");
143 builder.addln("_$fred$Cached = true;");
144 builder.end();
145 builder.addln("return result;");
146 builder.end();
147
148 op.getAccessorMethodName("fred");
149 opc.setReturnValue("getFred");
150
151 op.addMethod(
152 Modifier.PUBLIC,
153 new MethodSignature(String .class, "getFred", null, null),
154 builder.toString());
155
156 builder.clear();
157
158 builder.begin();
159 builder.addln("if (! isInActiveState())");
160 builder.begin();
161 builder.addln("_$fred$Default = $1;");
162 builder.addln("return;");
163 builder.end();
164
165 builder.addln("org.apache.tapestry.IBinding binding = getBinding(\"fred\");");
166
167 builder.addln("if (binding == null)");
168 builder
169 .addln(" throw new org.apache.hivemind.ApplicationRuntimeException(\"Parameter 'fred' is not bound and can not be updated.\");");
170
171 builder.addln("binding.setObject(($w) $1);");
172
173 builder.addln("if (isRendering())");
174 builder.begin();
175 builder.addln("_$fred = $1;");
176 builder.addln("_$fred$Cached = true;");
177 builder.end();
178 builder.end();
179
180 op.addMethod(Modifier.PUBLIC, new MethodSignature(void.class, "setFred", new Class []
181 { String .class }, null), builder.toString());
182
183 BodyBuilder expectedCleanup = new BodyBuilder();
184
185 expectedCleanup.addln("org.apache.tapestry.IBinding fredBinding = getBinding(\"fred\");");
186 expectedCleanup.addln("if (_$fred$Cached && ! fredBinding.isInvariant())");
187 expectedCleanup.begin();
188 expectedCleanup.addln("_$fred$Cached = false;");
189 expectedCleanup.addln("_$fred = _$fred$Default;");
190 expectedCleanup.end();
191
192 op.extendMethodImplementation(
193 IComponent.class,
194 EnhanceUtils.CLEANUP_AFTER_RENDER_SIGNATURE,
195 expectedCleanup.toString());
196
197 replayControls();
198
199 ParameterPropertyWorker w = new ParameterPropertyWorker();
200
201 w.performEnhancement(op, spec);
202
203 verifyControls();
204 }
205
206
210
211 public void testDifferentPropertyName()
212 {
213 IComponentSpecification spec = buildComponentSpecification("barney", buildParameterSpec(
214 "fred",
215 null,
216 null));
217
218 MockControl opc = newControl(EnhancementOperation.class);
219 EnhancementOperation op = (EnhancementOperation) opc.getMock();
220
221 op.getPropertyType("fred");
222 opc.setReturnValue(String .class);
223
224 op.claimProperty("fred");
225
226 op.addField("_$fred", String .class);
227 op.addField("_$fred$Default", String .class);
228 op.addField("_$fred$Cached", boolean.class);
229
230 op.getClassReference(String .class);
231 opc.setReturnValue("_class$String");
232
233 BodyBuilder builder = new BodyBuilder();
234 builder.begin();
235 builder.addln("if (_$fred$Cached) return _$fred;");
236 builder.addln("org.apache.tapestry.IBinding binding = getBinding(\"barney\");");
237 builder.addln("if (binding == null) return _$fred$Default;");
238 builder.add("java.lang.String result = ");
239 builder.addln("(java.lang.String) binding.getObject(_class$String);");
240 builder.addln("if (isRendering() || binding.isInvariant())");
241 builder.begin();
242 builder.addln("_$fred = result;");
243 builder.addln("_$fred$Cached = true;");
244 builder.end();
245 builder.addln("return result;");
246 builder.end();
247
248 op.getAccessorMethodName("fred");
249 opc.setReturnValue("getFred");
250
251 op.addMethod(
252 Modifier.PUBLIC,
253 new MethodSignature(String .class, "getFred", null, null),
254 builder.toString());
255
256 builder.clear();
257
258 builder.begin();
259 builder.addln("if (! isInActiveState())");
260 builder.begin();
261 builder.addln("_$fred$Default = $1;");
262 builder.addln("return;");
263 builder.end();
264
265 builder.addln("org.apache.tapestry.IBinding binding = getBinding(\"barney\");");
266
267 builder.addln("if (binding == null)");
268 builder
269 .addln(" throw new org.apache.hivemind.ApplicationRuntimeException(\"Parameter 'barney' is not bound and can not be updated.\");");
270
271 builder.addln("binding.setObject(($w) $1);");
272
273 builder.addln("if (isRendering())");
274 builder.begin();
275 builder.addln("_$fred = $1;");
276 builder.addln("_$fred$Cached = true;");
277 builder.end();
278 builder.end();
279
280 op.addMethod(Modifier.PUBLIC, new MethodSignature(void.class, "setFred", new Class []
281 { String .class }, null), builder.toString());
282
283 BodyBuilder expectedCleanup = new BodyBuilder();
284
285 expectedCleanup.addln("org.apache.tapestry.IBinding fredBinding = getBinding(\"barney\");");
286 expectedCleanup.addln("if (_$fred$Cached && ! fredBinding.isInvariant())");
287 expectedCleanup.begin();
288 expectedCleanup.addln("_$fred$Cached = false;");
289 expectedCleanup.addln("_$fred = _$fred$Default;");
290 expectedCleanup.end();
291
292 op.extendMethodImplementation(
293 IComponent.class,
294 EnhanceUtils.CLEANUP_AFTER_RENDER_SIGNATURE,
295 expectedCleanup.toString());
296
297 replayControls();
298
299 ParameterPropertyWorker w = new ParameterPropertyWorker();
300
301 w.performEnhancement(op, spec);
302
303 verifyControls();
304 }
305
306 public void testPrimitiveType()
307 {
308 MockControl opc = newControl(EnhancementOperation.class);
309 EnhancementOperation op = (EnhancementOperation) opc.getMock();
310
311 BodyBuilder builder = new BodyBuilder();
312 builder.begin();
313 builder.addln("if (_$fred$Cached) return _$fred;");
314 builder.addln("org.apache.tapestry.IBinding binding = getBinding(\"barney\");");
315 builder.addln("if (binding == null) return _$fred$Default;");
316 builder.add("boolean result = ");
317 builder.addln(EnhanceUtils.class.getName() + ".toBoolean(binding);");
318 builder.addln("if (isRendering() || binding.isInvariant())");
319 builder.begin();
320 builder.addln("_$fred = result;");
321 builder.addln("_$fred$Cached = true;");
322 builder.end();
323 builder.addln("return result;");
324 builder.end();
325
326 op.getAccessorMethodName("fred");
327 opc.setReturnValue("isFred");
328
329 op.addMethod(
330 Modifier.PUBLIC,
331 new MethodSignature(boolean.class, "isFred", null, null),
332 builder.toString());
333
334 replayControls();
335
336 new ParameterPropertyWorker().buildAccessor(
337 op,
338 "barney",
339 "fred",
340 boolean.class,
341 "_$fred",
342 "_$fred$Default",
343 "_$fred$Cached",
344 true);
345
346 verifyControls();
347 }
348
349 public void testParameterCacheDisabled()
350 {
351 MockControl opc = newControl(EnhancementOperation.class);
352 EnhancementOperation op = (EnhancementOperation) opc.getMock();
353
354 BodyBuilder builder = new BodyBuilder();
355 builder.begin();
356 builder.addln("if (_$fred$Cached) return _$fred;");
357 builder.addln("org.apache.tapestry.IBinding binding = getBinding(\"barney\");");
358 builder.addln("if (binding == null) return _$fred$Default;");
359 builder.add("boolean result = ");
360 builder.addln(EnhanceUtils.class.getName() + ".toBoolean(binding);");
361 builder.addln("if (binding.isInvariant())");
362 builder.begin();
363 builder.addln("_$fred = result;");
364 builder.addln("_$fred$Cached = true;");
365 builder.end();
366 builder.addln("return result;");
367 builder.end();
368
369 op.getAccessorMethodName("fred");
370 opc.setReturnValue("isFred");
371
372 op.addMethod(
373 Modifier.PUBLIC,
374 new MethodSignature(boolean.class, "isFred", null, null),
375 builder.toString());
376
377 replayControls();
378
379 new ParameterPropertyWorker().buildAccessor(
380 op,
381 "barney",
382 "fred",
383 boolean.class,
384 "_$fred",
385 "_$fred$Default",
386 "_$fred$Cached",
387 false);
388
389 verifyControls();
390 }
391 } |
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