forked from fkarb/pythonnet
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathtest_event.py
More file actions
716 lines (467 loc) · 19 KB
/
test_event.py
File metadata and controls
716 lines (467 loc) · 19 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
# ===========================================================================
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
# ===========================================================================
import clr
clr.AddReference('Python.Test')
import sys, os, string, unittest, types
from Python.Test import EventTest, TestEventHandler
from Python.Test import TestEventArgs
class EventTests(unittest.TestCase):
"""Test CLR event support."""
def testPublicInstanceEvent(self):
"""Test public instance events."""
object = EventTest()
handler = GenericHandler()
self.assertTrue(handler.value == None)
object.PublicEvent += handler.handler
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler.value == 10)
object.PublicEvent -= handler.handler
def testPublicStaticEvent(self):
"""Test public static events."""
handler = GenericHandler()
self.assertTrue(handler.value == None)
EventTest.PublicStaticEvent += handler.handler
EventTest.OnPublicStaticEvent(TestEventArgs(10))
self.assertTrue(handler.value == 10)
def testProtectedInstanceEvent(self):
"""Test protected instance events."""
object = EventTest()
handler = GenericHandler()
self.assertTrue(handler.value == None)
object.ProtectedEvent += handler.handler
object.OnProtectedEvent(TestEventArgs(10))
self.assertTrue(handler.value == 10)
object.ProtectedEvent -= handler.handler
def testProtectedStaticEvent(self):
"""Test protected static events."""
object = EventTest
handler = GenericHandler()
self.assertTrue(handler.value == None)
EventTest.ProtectedStaticEvent += handler.handler
EventTest.OnProtectedStaticEvent(TestEventArgs(10))
self.assertTrue(handler.value == 10)
EventTest.ProtectedStaticEvent -= handler.handler
def testInternalEvents(self):
"""Test internal events."""
def test():
f = EventTest().InternalEvent
self.assertRaises(AttributeError, test)
def test():
f = EventTest().InternalStaticEvent
self.assertRaises(AttributeError, test)
def test():
f = EventTest.InternalStaticEvent
self.assertRaises(AttributeError, test)
def testPrivateEvents(self):
"""Test private events."""
def test():
f = EventTest().PrivateEvent
self.assertRaises(AttributeError, test)
def test():
f = EventTest().PrivateStaticEvent
self.assertRaises(AttributeError, test)
def test():
f = EventTest.PrivateStaticEvent
self.assertRaises(AttributeError, test)
def testMulticastEvent(self):
"""Test multicast events."""
object = EventTest()
handler1 = GenericHandler()
handler2 = GenericHandler()
handler3 = GenericHandler()
object.PublicEvent += handler1.handler
object.PublicEvent += handler2.handler
object.PublicEvent += handler3.handler
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler1.value == 10)
self.assertTrue(handler2.value == 10)
self.assertTrue(handler3.value == 10)
object.OnPublicEvent(TestEventArgs(20))
self.assertTrue(handler1.value == 20)
self.assertTrue(handler2.value == 20)
self.assertTrue(handler3.value == 20)
object.PublicEvent -= handler1.handler
object.PublicEvent -= handler2.handler
object.PublicEvent -= handler3.handler
def testInstanceMethodHandler(self):
"""Test instance method handlers."""
object = EventTest()
handler = GenericHandler()
object.PublicEvent += handler.handler
self.assertTrue(handler.value == None)
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler.value == 10)
object.PublicEvent -= handler.handler
self.assertTrue(handler.value == 10)
object.OnPublicEvent(TestEventArgs(20))
self.assertTrue(handler.value == 10)
def testVarArgsInstanceMethodHandler(self):
"""Test vararg instance method handlers."""
object = EventTest()
handler = VariableArgsHandler()
object.PublicEvent += handler.handler
self.assertTrue(handler.value == None)
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler.value == 10)
object.PublicEvent -= handler.handler
self.assertTrue(handler.value == 10)
object.OnPublicEvent(TestEventArgs(20))
self.assertTrue(handler.value == 10)
def testCallableObjectHandler(self):
"""Test callable object handlers."""
object = EventTest()
handler = CallableHandler()
object.PublicEvent += handler
self.assertTrue(handler.value == None)
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler.value == 10)
object.PublicEvent -= handler
self.assertTrue(handler.value == 10)
object.OnPublicEvent(TestEventArgs(20))
self.assertTrue(handler.value == 10)
def testVarArgsCallableHandler(self):
"""Test varargs callable handlers."""
object = EventTest()
handler = VarCallableHandler()
object.PublicEvent += handler
self.assertTrue(handler.value == None)
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler.value == 10)
object.PublicEvent -= handler
self.assertTrue(handler.value == 10)
object.OnPublicEvent(TestEventArgs(20))
self.assertTrue(handler.value == 10)
def testStaticMethodHandler(self):
"""Test static method handlers."""
object = EventTest()
handler = StaticMethodHandler()
StaticMethodHandler.value = None
object.PublicEvent += handler.handler
self.assertTrue(handler.value == None)
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler.value == 10)
object.PublicEvent -= handler.handler
self.assertTrue(handler.value == 10)
object.OnPublicEvent(TestEventArgs(20))
self.assertTrue(handler.value == 10)
def testClassMethodHandler(self):
"""Test class method handlers."""
object = EventTest()
handler = ClassMethodHandler()
ClassMethodHandler.value = None
object.PublicEvent += handler.handler
self.assertTrue(handler.value == None)
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler.value == 10)
object.PublicEvent -= handler.handler
self.assertTrue(handler.value == 10)
object.OnPublicEvent(TestEventArgs(20))
self.assertTrue(handler.value == 10)
def testManagedInstanceMethodHandler(self):
"""Test managed instance method handlers."""
object = EventTest()
object.PublicEvent += object.GenericHandler
self.assertTrue(object.value == 0)
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(object.value == 10)
object.PublicEvent -= object.GenericHandler
self.assertTrue(object.value == 10)
object.OnPublicEvent(TestEventArgs(20))
self.assertTrue(object.value == 10)
def testManagedStaticMethodHandler(self):
"""Test managed static method handlers."""
object = EventTest()
EventTest.s_value = 0
object.PublicEvent += object.StaticHandler
self.assertTrue(EventTest.s_value == 0)
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(EventTest.s_value == 10)
object.PublicEvent -= object.StaticHandler
self.assertTrue(EventTest.s_value == 10)
object.OnPublicEvent(TestEventArgs(20))
self.assertTrue(EventTest.s_value == 10)
def testUnboundMethodHandler(self):
"""Test failure mode for unbound method handlers."""
object = EventTest()
object.PublicEvent += GenericHandler.handler
try:
object.OnPublicEvent(TestEventArgs(10))
except TypeError:
object.PublicEvent -= GenericHandler.handler
return
raise TypeError("should have raised a TypeError")
def testFunctionHandler(self):
"""Test function handlers."""
object = EventTest()
dict = {'value':None}
def handler(sender, args, dict=dict):
dict['value'] = args.value
object.PublicEvent += handler
self.assertTrue(dict['value'] == None)
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(dict['value'] == 10)
object.PublicEvent -= handler
self.assertTrue(dict['value'] == 10)
object.OnPublicEvent(TestEventArgs(20))
self.assertTrue(dict['value'] == 10)
def testAddNonCallableHandler(self):
"""Test handling of attempts to add non-callable handlers."""
def test():
object = EventTest()
object.PublicEvent += 10
self.assertRaises(TypeError, test)
def test():
object = EventTest()
object.PublicEvent += "spam"
self.assertRaises(TypeError, test)
def test():
class spam:
pass
object = EventTest()
object.PublicEvent += spam()
self.assertRaises(TypeError, test)
def testRemoveMultipleHandlers(self):
"""Test removing multiple instances of the same handler."""
object = EventTest()
handler = MultipleHandler()
h1 = handler.handler
object.PublicEvent += h1
h2 = handler.handler
object.PublicEvent += h2
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler.value == 20)
object.PublicEvent -= h1
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler.value == 30)
object.PublicEvent -= h2
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler.value == 30)
# try again, removing in a different order.
object = EventTest()
handler = MultipleHandler()
h1 = handler.handler
object.PublicEvent += h1
h2 = handler.handler
object.PublicEvent += h2
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler.value == 20)
object.PublicEvent -= h2
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler.value == 30)
object.PublicEvent -= h1
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler.value == 30)
def testRemoveMultipleStaticHandlers(self):
"""Test removing multiple instances of a static handler."""
object = EventTest()
handler = MultipleHandler()
h1 = handler.handler
object.PublicStaticEvent += h1
h2 = handler.handler
object.PublicStaticEvent += h2
object.OnPublicStaticEvent(TestEventArgs(10))
self.assertTrue(handler.value == 20)
object.PublicStaticEvent -= h1
object.OnPublicStaticEvent(TestEventArgs(10))
self.assertTrue(handler.value == 30)
object.PublicStaticEvent -= h2
object.OnPublicStaticEvent(TestEventArgs(10))
self.assertTrue(handler.value == 30)
# try again, removing in a different order.
object = EventTest()
handler = MultipleHandler()
h1 = handler.handler
object.PublicStaticEvent += h1
h2 = handler.handler
object.PublicStaticEvent += h2
object.OnPublicStaticEvent(TestEventArgs(10))
self.assertTrue(handler.value == 20)
object.PublicStaticEvent -= h2
object.OnPublicStaticEvent(TestEventArgs(10))
self.assertTrue(handler.value == 30)
object.PublicStaticEvent -= h1
object.OnPublicStaticEvent(TestEventArgs(10))
self.assertTrue(handler.value == 30)
def testRandomMultipleHandlers(self):
"""Test random subscribe / unsubscribe of the same handlers."""
import random
object = EventTest()
handler = MultipleHandler()
handler2 = MultipleHandler()
object.PublicEvent += handler2.handler
object.PublicEvent += handler2.handler
handlers = []
for i in range(30):
method = handler.handler
object.PublicEvent += method
handlers.append(method)
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler.value == 300)
self.assertTrue(handler2.value == 20)
handler.value = 0
handler2.value = 0
for i in range(30):
item = random.choice(handlers)
handlers.remove(item)
object.PublicEvent -= item
handler.value = 0
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler.value == (len(handlers) * 10))
self.assertTrue(handler2.value == ((i + 1) * 20))
handler2.value = 0
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler2.value == 20)
object.PublicEvent -= handler2.handler
handler2.value = 0
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler2.value == 10)
object.PublicEvent -= handler2.handler
handler2.value = 0
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler2.value == 0)
def testRemoveInternalCallHandler(self):
"""Test remove on an event sink implemented w/internalcall."""
object = EventTest()
def h(sender, args):
pass
object.PublicEvent += h
object.PublicEvent -= h
def testRemoveUnknownHandler(self):
"""Test removing an event handler that was never added."""
def test():
object = EventTest()
handler = GenericHandler()
object.PublicEvent -= handler.handler
self.assertRaises(ValueError, test)
def testHandlerCallbackFailure(self):
"""Test failure mode for inappropriate handlers."""
class BadHandler:
def handler(self, one):
return 'too many'
object = EventTest()
handler = BadHandler()
def test():
object.PublicEvent += handler.handler
object.OnPublicEvent(TestEventArgs(10))
self.assertRaises(TypeError, test)
object.PublicEvent -= handler.handler
class BadHandler:
def handler(self, one, two, three, four, five):
return 'not enough'
object = EventTest()
handler = BadHandler()
def test():
object.PublicEvent += handler.handler
object.OnPublicEvent(TestEventArgs(10))
self.assertRaises(TypeError, test)
object.PublicEvent -= handler.handler
def testIncorrectInvokation(self):
"""Test incorrect invokation of events."""
object = EventTest()
handler = GenericHandler()
object.PublicEvent += handler.handler
def test():
object.OnPublicEvent()
self.assertRaises(TypeError, test)
def test():
object.OnPublicEvent(32)
self.assertRaises(TypeError, test)
object.PublicEvent -= handler.handler
def testExplicitCLSEventRegistration(self):
"""Test explicit CLS event registration."""
object = EventTest()
handler = GenericHandler()
delegate = TestEventHandler(handler.handler)
object.add_PublicEvent(delegate)
self.assertTrue(handler.value == None)
object.OnPublicEvent(TestEventArgs(10))
self.assertTrue(handler.value == 10)
object.remove_PublicEvent(delegate)
self.assertTrue(handler.value == 10)
object.OnPublicEvent(TestEventArgs(20))
self.assertTrue(handler.value == 10)
def testImplicitCLSEventRegistration(self):
"""Test implicit CLS event registration."""
def test():
object = EventTest()
handler = GenericHandler()
object.add_PublicEvent(handler.handler)
self.assertRaises(TypeError, test)
def testEventDescriptorAbuse(self):
"""Test event descriptor abuse."""
def test():
del EventTest.PublicEvent
self.assertRaises(TypeError, test)
def test():
del EventTest.__dict__['PublicEvent']
self.assertRaises(TypeError, test)
desc = EventTest.__dict__['PublicEvent']
def test():
desc.__get__(0, 0)
self.assertRaises(TypeError, test)
def test():
desc.__set__(0, 0)
self.assertRaises(TypeError, test)
def test():
object = EventTest()
object.PublicEvent = 0
self.assertRaises(TypeError, test)
def test():
EventTest.PublicStaticEvent = 0
self.assertRaises(TypeError, test)
class GenericHandler:
"""A generic handler to test event callbacks."""
def __init__(self):
self.value = None
def handler(self, sender, args):
self.value = args.value
class VariableArgsHandler:
"""A variable args handler to test event callbacks."""
def __init__(self):
self.value = None
def handler(self, *args):
ob, eventargs = args
self.value = eventargs.value
class CallableHandler:
"""A callable handler to test event callbacks."""
def __init__(self):
self.value = None
def __call__(self, sender, args):
self.value = args.value
class VarCallableHandler:
"""A variable args callable handler to test event callbacks."""
def __init__(self):
self.value = None
def __call__(self, *args):
ob, eventargs = args
self.value = eventargs.value
class StaticMethodHandler(object):
"""A static method handler to test event callbacks."""
value = None
def handler(sender, args):
StaticMethodHandler.value = args.value
handler = staticmethod(handler)
class ClassMethodHandler(object):
"""A class method handler to test event callbacks."""
value = None
def handler(cls, sender, args):
cls.value = args.value
handler = classmethod(handler)
class MultipleHandler:
"""A generic handler to test multiple callbacks."""
def __init__(self):
self.value = 0
def handler(self, sender, args):
self.value += args.value
def test_suite():
return unittest.makeSuite(EventTests)
def main():
unittest.TextTestRunner().run(test_suite())
if __name__ == '__main__':
main()