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
|
# 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 __future__ import with_statement
from tests.support import unittest2, is_instance
from mock import MagicMock, Mock, patch, sentinel
from tests.support_with import catch_warnings, nested
something = sentinel.Something
something_else = sentinel.SomethingElse
class WithTest(unittest2.TestCase):
def test_with_statement(self):
with patch('tests._testwith.something', sentinel.Something2):
self.assertEqual(something, sentinel.Something2, "unpatched")
self.assertEqual(something, sentinel.Something)
def test_with_statement_exception(self):
try:
with patch('tests._testwith.something', sentinel.Something2):
self.assertEqual(something, sentinel.Something2, "unpatched")
raise Exception('pow')
except Exception:
pass
else:
self.fail("patch swallowed exception")
self.assertEqual(something, sentinel.Something)
def test_with_statement_as(self):
with patch('tests._testwith.something') as mock_something:
self.assertEqual(something, mock_something, "unpatched")
self.assertTrue(is_instance(mock_something, MagicMock),
"patching wrong type")
self.assertEqual(something, sentinel.Something)
def test_patch_object_with_statement(self):
class Foo(object):
something = 'foo'
original = Foo.something
with patch.object(Foo, 'something'):
self.assertNotEqual(Foo.something, original, "unpatched")
self.assertEqual(Foo.something, original)
def test_with_statement_nested(self):
with catch_warnings(record=True):
# nested is deprecated in Python 2.7
with nested(patch('tests._testwith.something'),
patch('tests._testwith.something_else')) as (mock_something, mock_something_else):
self.assertEqual(something, mock_something, "unpatched")
self.assertEqual(something_else, mock_something_else,
"unpatched")
self.assertEqual(something, sentinel.Something)
self.assertEqual(something_else, sentinel.SomethingElse)
def test_with_statement_specified(self):
with patch('tests._testwith.something', sentinel.Patched) as mock_something:
self.assertEqual(something, mock_something, "unpatched")
self.assertEqual(mock_something, sentinel.Patched, "wrong patch")
self.assertEqual(something, sentinel.Something)
def testContextManagerMocking(self):
mock = Mock()
mock.__enter__ = Mock()
mock.__exit__ = Mock()
mock.__exit__.return_value = False
with mock as m:
self.assertEqual(m, mock.__enter__.return_value)
mock.__enter__.assert_called_with()
mock.__exit__.assert_called_with(None, None, None)
def test_context_manager_with_magic_mock(self):
mock = MagicMock()
with self.assertRaises(TypeError):
with mock:
'foo' + 3
mock.__enter__.assert_called_with()
self.assertTrue(mock.__exit__.called)
def test_with_statement_same_attribute(self):
with patch('tests._testwith.something', sentinel.Patched) as mock_something:
self.assertEqual(something, mock_something, "unpatched")
with patch('tests._testwith.something') as mock_again:
self.assertEqual(something, mock_again, "unpatched")
self.assertEqual(something, mock_something,
"restored with wrong instance")
self.assertEqual(something, sentinel.Something, "not restored")
def test_with_statement_imbricated(self):
with patch('tests._testwith.something') as mock_something:
self.assertEqual(something, mock_something, "unpatched")
with patch('tests._testwith.something_else') as mock_something_else:
self.assertEqual(something_else, mock_something_else,
"unpatched")
self.assertEqual(something, sentinel.Something)
self.assertEqual(something_else, sentinel.SomethingElse)
def test_dict_context_manager(self):
foo = {}
with patch.dict(foo, {'a': 'b'}):
self.assertEqual(foo, {'a': 'b'})
self.assertEqual(foo, {})
with self.assertRaises(NameError):
with patch.dict(foo, {'a': 'b'}):
self.assertEqual(foo, {'a': 'b'})
raise NameError('Konrad')
self.assertEqual(foo, {})
if __name__ == '__main__':
unittest2.main()
|
