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
|
# Copyright (C) 2007-2012 Michael Foord & the mock team
# E-mail: fuzzyman AT voidspace DOT org DOT uk
# http://www.voidspace.org.uk/python/mock/
from tests.support import is_instance, unittest2, X, SomeClass
from mock import (
Mock, MagicMock, NonCallableMagicMock,
NonCallableMock, patch, create_autospec,
CallableMixin
)
class TestCallable(unittest2.TestCase):
def assertNotCallable(self, mock):
self.assertTrue(is_instance(mock, NonCallableMagicMock))
self.assertFalse(is_instance(mock, CallableMixin))
def test_non_callable(self):
for mock in NonCallableMagicMock(), NonCallableMock():
self.assertRaises(TypeError, mock)
self.assertFalse(hasattr(mock, '__call__'))
self.assertIn(mock.__class__.__name__, repr(mock))
def test_heirarchy(self):
self.assertTrue(issubclass(MagicMock, Mock))
self.assertTrue(issubclass(NonCallableMagicMock, NonCallableMock))
def test_attributes(self):
one = NonCallableMock()
self.assertTrue(issubclass(type(one.one), Mock))
two = NonCallableMagicMock()
self.assertTrue(issubclass(type(two.two), MagicMock))
def test_subclasses(self):
class MockSub(Mock):
pass
one = MockSub()
self.assertTrue(issubclass(type(one.one), MockSub))
class MagicSub(MagicMock):
pass
two = MagicSub()
self.assertTrue(issubclass(type(two.two), MagicSub))
def test_patch_spec(self):
patcher = patch('%s.X' % __name__, spec=True)
mock = patcher.start()
self.addCleanup(patcher.stop)
instance = mock()
mock.assert_called_once_with()
self.assertNotCallable(instance)
self.assertRaises(TypeError, instance)
def test_patch_spec_set(self):
patcher = patch('%s.X' % __name__, spec_set=True)
mock = patcher.start()
self.addCleanup(patcher.stop)
instance = mock()
mock.assert_called_once_with()
self.assertNotCallable(instance)
self.assertRaises(TypeError, instance)
def test_patch_spec_instance(self):
patcher = patch('%s.X' % __name__, spec=X())
mock = patcher.start()
self.addCleanup(patcher.stop)
self.assertNotCallable(mock)
self.assertRaises(TypeError, mock)
def test_patch_spec_set_instance(self):
patcher = patch('%s.X' % __name__, spec_set=X())
mock = patcher.start()
self.addCleanup(patcher.stop)
self.assertNotCallable(mock)
self.assertRaises(TypeError, mock)
def test_patch_spec_callable_class(self):
class CallableX(X):
def __call__(self):
pass
class Sub(CallableX):
pass
class Multi(SomeClass, Sub):
pass
class OldStyle:
def __call__(self):
pass
class OldStyleSub(OldStyle):
pass
for arg in 'spec', 'spec_set':
for Klass in CallableX, Sub, Multi, OldStyle, OldStyleSub:
patcher = patch('%s.X' % __name__, **{arg: Klass})
mock = patcher.start()
try:
instance = mock()
mock.assert_called_once_with()
self.assertTrue(is_instance(instance, MagicMock))
# inherited spec
self.assertRaises(AttributeError, getattr, instance,
'foobarbaz')
result = instance()
# instance is callable, result has no spec
instance.assert_called_once_with()
result(3, 2, 1)
result.assert_called_once_with(3, 2, 1)
result.foo(3, 2, 1)
result.foo.assert_called_once_with(3, 2, 1)
finally:
patcher.stop()
def test_create_autopsec(self):
mock = create_autospec(X)
instance = mock()
self.assertRaises(TypeError, instance)
mock = create_autospec(X())
self.assertRaises(TypeError, mock)
def test_create_autospec_instance(self):
mock = create_autospec(SomeClass, instance=True)
self.assertRaises(TypeError, mock)
mock.wibble()
mock.wibble.assert_called_once_with()
self.assertRaises(TypeError, mock.wibble, 'some', 'args')
|
