This repository was archived by the owner on Jun 4, 2019. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 1
Expand file tree
/
Copy pathtest_delegate.py
More file actions
340 lines (227 loc) · 9.57 KB
/
test_delegate.py
File metadata and controls
340 lines (227 loc) · 9.57 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
# ===========================================================================
# 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')
from Python.Test import DelegateTest, PublicDelegate
from Python.Test import StringDelegate, ObjectDelegate
from Python.Test import BoolDelegate
import sys, os, string, unittest, types
import Python.Test as Test
import System
class DelegateTests(unittest.TestCase):
"""Test CLR delegate support."""
def testDelegateStandardAttrs(self):
"""Test standard delegate attributes."""
self.assertTrue(PublicDelegate.__name__ == 'PublicDelegate')
self.assertTrue(PublicDelegate.__module__ == 'Python.Test')
self.assertTrue(type(PublicDelegate.__dict__) == types.DictProxyType)
self.assertTrue(PublicDelegate.__doc__ == None)
def testGlobalDelegateVisibility(self):
"""Test visibility of module-level delegates."""
from Python.Test import PublicDelegate
self.assertTrue(PublicDelegate.__name__ == 'PublicDelegate')
self.assertTrue(Test.PublicDelegate.__name__ == 'PublicDelegate')
def test():
from Python.Test import InternalDelegate
self.assertRaises(ImportError, test)
def test():
i = Test.InternalDelegate
self.assertRaises(AttributeError, test)
def testNestedDelegateVisibility(self):
"""Test visibility of nested delegates."""
ob = DelegateTest.PublicDelegate
self.assertTrue(ob.__name__ == 'PublicDelegate')
ob = DelegateTest.ProtectedDelegate
self.assertTrue(ob.__name__ == 'ProtectedDelegate')
def test():
ob = DelegateTest.InternalDelegate
self.assertRaises(AttributeError, test)
def test():
ob = DelegateTest.PrivateDelegate
self.assertRaises(AttributeError, test)
def testDelegateFromFunction(self):
"""Test delegate implemented with a Python function."""
def sayhello():
return "hello"
d = StringDelegate(sayhello)
ob = DelegateTest()
self.assertTrue(ob.CallStringDelegate(d) == "hello")
self.assertTrue(d() == "hello")
ob.stringDelegate = d
self.assertTrue(ob.CallStringDelegate(ob.stringDelegate) == "hello")
self.assertTrue(ob.stringDelegate() == "hello")
def testDelegateFromMethod(self):
"""Test delegate implemented with a Python instance method."""
class Hello:
def sayhello(self):
return "hello"
inst = Hello()
d = StringDelegate(inst.sayhello)
ob = DelegateTest()
self.assertTrue(ob.CallStringDelegate(d) == "hello")
self.assertTrue(d() == "hello")
ob.stringDelegate = d
self.assertTrue(ob.CallStringDelegate(ob.stringDelegate) == "hello")
self.assertTrue(ob.stringDelegate() == "hello")
def testDelegateFromUnboundMethod(self):
"""Test failure mode for unbound methods."""
class Hello:
def sayhello(self):
return "hello"
def test():
d = StringDelegate(Hello.sayhello)
d()
self.assertRaises(TypeError, test)
def testDelegateFromStaticMethod(self):
"""Test delegate implemented with a Python static method."""
class Hello:
def sayhello():
return "hello"
sayhello = staticmethod(sayhello)
d = StringDelegate(Hello.sayhello)
ob = DelegateTest()
self.assertTrue(ob.CallStringDelegate(d) == "hello")
self.assertTrue(d() == "hello")
ob.stringDelegate = d
self.assertTrue(ob.CallStringDelegate(ob.stringDelegate) == "hello")
self.assertTrue(ob.stringDelegate() == "hello")
inst = Hello()
d = StringDelegate(inst.sayhello)
ob = DelegateTest()
self.assertTrue(ob.CallStringDelegate(d) == "hello")
self.assertTrue(d() == "hello")
ob.stringDelegate = d
self.assertTrue(ob.CallStringDelegate(ob.stringDelegate) == "hello")
self.assertTrue(ob.stringDelegate() == "hello")
def testDelegateFromClassMethod(self):
"""Test delegate implemented with a Python class method."""
class Hello:
def sayhello(self):
return "hello"
sayhello = classmethod(sayhello)
d = StringDelegate(Hello.sayhello)
ob = DelegateTest()
self.assertTrue(ob.CallStringDelegate(d) == "hello")
self.assertTrue(d() == "hello")
ob.stringDelegate = d
self.assertTrue(ob.CallStringDelegate(ob.stringDelegate) == "hello")
self.assertTrue(ob.stringDelegate() == "hello")
inst = Hello()
d = StringDelegate(inst.sayhello)
ob = DelegateTest()
self.assertTrue(ob.CallStringDelegate(d) == "hello")
self.assertTrue(d() == "hello")
ob.stringDelegate = d
self.assertTrue(ob.CallStringDelegate(ob.stringDelegate) == "hello")
self.assertTrue(ob.stringDelegate() == "hello")
def testDelegateFromCallable(self):
"""Test delegate implemented with a Python callable object."""
class Hello:
def __call__(self):
return "hello"
inst = Hello()
d = StringDelegate(inst)
ob = DelegateTest()
self.assertTrue(ob.CallStringDelegate(d) == "hello")
self.assertTrue(d() == "hello")
ob.stringDelegate = d
self.assertTrue(ob.CallStringDelegate(ob.stringDelegate) == "hello")
self.assertTrue(ob.stringDelegate() == "hello")
def testDelegateFromManagedInstanceMethod(self):
"""Test delegate implemented with a managed instance method."""
ob = DelegateTest()
d = StringDelegate(ob.SayHello)
self.assertTrue(ob.CallStringDelegate(d) == "hello")
self.assertTrue(d() == "hello")
ob.stringDelegate = d
self.assertTrue(ob.CallStringDelegate(ob.stringDelegate) == "hello")
self.assertTrue(ob.stringDelegate() == "hello")
def testDelegateFromManagedStaticMethod(self):
"""Test delegate implemented with a managed static method."""
d = StringDelegate(DelegateTest.StaticSayHello)
ob = DelegateTest()
self.assertTrue(ob.CallStringDelegate(d) == "hello")
self.assertTrue(d() == "hello")
ob.stringDelegate = d
self.assertTrue(ob.CallStringDelegate(ob.stringDelegate) == "hello")
self.assertTrue(ob.stringDelegate() == "hello")
def testDelegateFromDelegate(self):
"""Test delegate implemented with another delegate."""
def sayhello():
return "hello"
d1 = StringDelegate(sayhello)
d2 = StringDelegate(d1)
ob = DelegateTest()
self.assertTrue(ob.CallStringDelegate(d2) == "hello")
self.assertTrue(d2() == "hello")
ob.stringDelegate = d2
self.assertTrue(ob.CallStringDelegate(ob.stringDelegate) == "hello")
self.assertTrue(ob.stringDelegate() == "hello")
def testDelegateWithInvalidArgs(self):
"""Test delegate instantiation with invalid (non-callable) args."""
def test():
d = StringDelegate(None)
self.assertRaises(TypeError, test)
def test():
d = StringDelegate("spam")
self.assertRaises(TypeError, test)
def test():
d = StringDelegate(1)
self.assertRaises(TypeError, test)
def testMulticastDelegate(self):
"""Test multicast delegates."""
class Multi:
def __init__(self):
self.value = 0
def count(self):
self.value += 1
return 'ok'
inst = Multi()
d1 = StringDelegate(inst.count)
d2 = StringDelegate(inst.count)
md = System.Delegate.Combine(d1, d2)
ob = DelegateTest()
self.assertTrue(ob.CallStringDelegate(md) == "ok")
self.assertTrue(inst.value == 2)
self.assertTrue(md() == "ok")
self.assertTrue(inst.value == 4)
def testSubclassDelegateFails(self):
"""Test that subclassing of a delegate type fails."""
def test():
class Boom(PublicDelegate):
pass
self.assertRaises(TypeError, test)
def testDelegateEquality(self):
"""Test delegate equality."""
def sayhello():
return "hello"
d = StringDelegate(sayhello)
ob = DelegateTest()
ob.stringDelegate = d
self.assertTrue(ob.stringDelegate == d)
def testBoolDelegate(self):
"""Test boolean delegate."""
def always_so_negative():
return 0
d = BoolDelegate(always_so_negative)
ob = DelegateTest()
ob.CallBoolDelegate(d)
self.assertTrue(not d())
self.assertTrue(not ob.CallBoolDelegate(d))
# test async delegates
# test multicast delegates
# test explicit op_
# test sig mismatch, both on managed and Python side
# test return wrong type
def test_suite():
return unittest.makeSuite(DelegateTests)
def main():
unittest.TextTestRunner().run(test_suite())
if __name__ == '__main__':
main()