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
|
# Test the module type
import unittest
from test.support import run_unittest, gc_collect
import sys
ModuleType = type(sys)
class FullLoader:
@classmethod
def module_repr(cls, m):
return "<module '{}' (crafted)>".format(m.__name__)
class BareLoader:
pass
class ModuleTests(unittest.TestCase):
def test_uninitialized(self):
# An uninitialized module has no __dict__ or __name__,
# and __doc__ is None
foo = ModuleType.__new__(ModuleType)
self.assertTrue(foo.__dict__ is None)
self.assertRaises(SystemError, dir, foo)
try:
s = foo.__name__
self.fail("__name__ = %s" % repr(s))
except AttributeError:
pass
self.assertEqual(foo.__doc__, ModuleType.__doc__)
def test_no_docstring(self):
# Regularly initialized module, no docstring
foo = ModuleType("foo")
self.assertEqual(foo.__name__, "foo")
self.assertEqual(foo.__doc__, None)
self.assertEqual(foo.__dict__, {"__name__": "foo", "__doc__": None})
def test_ascii_docstring(self):
# ASCII docstring
foo = ModuleType("foo", "foodoc")
self.assertEqual(foo.__name__, "foo")
self.assertEqual(foo.__doc__, "foodoc")
self.assertEqual(foo.__dict__,
{"__name__": "foo", "__doc__": "foodoc"})
def test_unicode_docstring(self):
# Unicode docstring
foo = ModuleType("foo", "foodoc\u1234")
self.assertEqual(foo.__name__, "foo")
self.assertEqual(foo.__doc__, "foodoc\u1234")
self.assertEqual(foo.__dict__,
{"__name__": "foo", "__doc__": "foodoc\u1234"})
def test_reinit(self):
# Reinitialization should not replace the __dict__
foo = ModuleType("foo", "foodoc\u1234")
foo.bar = 42
d = foo.__dict__
foo.__init__("foo", "foodoc")
self.assertEqual(foo.__name__, "foo")
self.assertEqual(foo.__doc__, "foodoc")
self.assertEqual(foo.bar, 42)
self.assertEqual(foo.__dict__,
{"__name__": "foo", "__doc__": "foodoc", "bar": 42})
self.assertTrue(foo.__dict__ is d)
@unittest.expectedFailure
def test_dont_clear_dict(self):
# See issue 7140.
def f():
foo = ModuleType("foo")
foo.bar = 4
return foo
gc_collect()
self.assertEqual(f().__dict__["bar"], 4)
def test_clear_dict_in_ref_cycle(self):
destroyed = []
m = ModuleType("foo")
m.destroyed = destroyed
s = """class A:
def __init__(self, l):
self.l = l
def __del__(self):
self.l.append(1)
a = A(destroyed)"""
exec(s, m.__dict__)
del m
gc_collect()
self.assertEqual(destroyed, [1])
def test_module_repr_minimal(self):
# reprs when modules have no __file__, __name__, or __loader__
m = ModuleType('foo')
del m.__name__
self.assertEqual(repr(m), "<module '?'>")
def test_module_repr_with_name(self):
m = ModuleType('foo')
self.assertEqual(repr(m), "<module 'foo'>")
def test_module_repr_with_name_and_filename(self):
m = ModuleType('foo')
m.__file__ = '/tmp/foo.py'
self.assertEqual(repr(m), "<module 'foo' from '/tmp/foo.py'>")
def test_module_repr_with_filename_only(self):
m = ModuleType('foo')
del m.__name__
m.__file__ = '/tmp/foo.py'
self.assertEqual(repr(m), "<module '?' from '/tmp/foo.py'>")
def test_module_repr_with_bare_loader_but_no_name(self):
m = ModuleType('foo')
del m.__name__
# Yes, a class not an instance.
m.__loader__ = BareLoader
self.assertEqual(
repr(m), "<module '?' (<class 'test.test_module.BareLoader'>)>")
def test_module_repr_with_full_loader_but_no_name(self):
# m.__loader__.module_repr() will fail because the module has no
# m.__name__. This exception will get suppressed and instead the
# loader's repr will be used.
m = ModuleType('foo')
del m.__name__
# Yes, a class not an instance.
m.__loader__ = FullLoader
self.assertEqual(
repr(m), "<module '?' (<class 'test.test_module.FullLoader'>)>")
def test_module_repr_with_bare_loader(self):
m = ModuleType('foo')
# Yes, a class not an instance.
m.__loader__ = BareLoader
self.assertEqual(
repr(m), "<module 'foo' (<class 'test.test_module.BareLoader'>)>")
def test_module_repr_with_full_loader(self):
m = ModuleType('foo')
# Yes, a class not an instance.
m.__loader__ = FullLoader
self.assertEqual(
repr(m), "<module 'foo' (crafted)>")
def test_module_repr_with_bare_loader_and_filename(self):
# Because the loader has no module_repr(), use the file name.
m = ModuleType('foo')
# Yes, a class not an instance.
m.__loader__ = BareLoader
m.__file__ = '/tmp/foo.py'
self.assertEqual(repr(m), "<module 'foo' from '/tmp/foo.py'>")
def test_module_repr_with_full_loader_and_filename(self):
# Even though the module has an __file__, use __loader__.module_repr()
m = ModuleType('foo')
# Yes, a class not an instance.
m.__loader__ = FullLoader
m.__file__ = '/tmp/foo.py'
self.assertEqual(repr(m), "<module 'foo' (crafted)>")
def test_module_repr_builtin(self):
self.assertEqual(repr(sys), "<module 'sys' (built-in)>")
def test_module_repr_source(self):
r = repr(unittest)
self.assertEqual(r[:25], "<module 'unittest' from '")
self.assertEqual(r[-13:], "__init__.py'>")
# frozen and namespace module reprs are tested in importlib.
def test_main():
run_unittest(ModuleTests)
if __name__ == '__main__':
test_main()
|
