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
|
import unittest
from kiwi.component import AlreadyImplementedError, Interface, \
get_utility, provide_utility, remove_utility, implements, utilities
class IBanana(Interface):
pass
class Obj(object): pass
o = Obj()
class TestUtilities(unittest.TestCase):
def tearDown(self):
utilities.clean()
def testGet(self):
self.assertEqual(None, get_utility(IBanana, None))
provide_utility(IBanana, o)
self.assertRaises(TypeError, get_utility, object)
self.assertEqual(get_utility(IBanana), o)
def testProvide(self):
self.assertRaises(NotImplementedError, get_utility, IBanana)
provide_utility(IBanana, o)
self.assertRaises(TypeError, provide_utility, object, o)
def testRemove(self):
self.assertRaises(NotImplementedError, remove_utility, IBanana)
provide_utility(IBanana, o)
self.assertEqual(remove_utility(IBanana), o)
self.assertRaises(NotImplementedError, remove_utility, IBanana)
def testAlreadyImplemented(self):
self.assertRaises(NotImplementedError, get_utility, IBanana)
provide_utility(IBanana, o)
self.assertRaises(AlreadyImplementedError,
provide_utility, IBanana, o)
def testZopeInterface(self):
try:
from zope.interface import Interface
except ImportError:
return
class IApple(Interface):
pass
self.assertRaises(NotImplementedError, get_utility, IApple)
provide_utility(IApple, o)
self.assertRaises(AlreadyImplementedError,
provide_utility, IApple, o)
def testImplements(self):
class I1(Interface):
pass
class C(object):
implements(I1)
c = C()
class X(object):
pass
x = X()
self.assertEqual(I1.providedBy(x), False)
#self.assertEqual(I1.providedBy(C), False)
self.assertEqual(I1.providedBy(c), True)
def testInterfaceSub(self):
class I1(Interface):
pass
class I2(I1):
pass
class C(object):
implements(I2)
class D(object):
implements(I1)
c = C()
self.assertEqual(I1.providedBy(c), True)
self.assertEqual(I2.providedBy(c), True)
d = D()
self.assertEqual(I1.providedBy(d), True)
self.assertEqual(I2.providedBy(d), False)
def testZImplements(self):
try:
from zope.interface import Interface, implements
except ImportError:
return
class I1(Interface):
pass
class C(object):
implements(I1)
c = C()
class X(object):
pass
x = X()
self.assertEqual(I1.providedBy(x), False)
self.assertEqual(I1.providedBy(C), False)
self.assertEqual(I1.providedBy(c), True)
def testZInterfaceSub(self):
try:
from zope.interface import Interface, implements
except ImportError:
return
class I1(Interface):
pass
class I2(I1):
pass
class C(object):
implements(I2)
class D(object):
implements(I1)
c = C()
self.assertEqual(I1.providedBy(c), True)
self.assertEqual(I2.providedBy(c), True)
d = D()
self.assertEqual(I1.providedBy(d), True)
self.assertEqual(I2.providedBy(d), False)
if __name__ == '__main__':
unittest.main()
|
