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import
os
import
unittest
from
bpython
import
inspection
from
bpython
.
test
.
fodder
import
encoding_ascii
from
bpython
.
test
.
fodder
import
encoding_latin1
from
bpython
.
test
.
fodder
import
encoding_utf8
foo_ascii_only
=
'''def foo():
"""Test"""
pass
'''
foo_non_ascii
=
'''def foo():
"""Test äöü"""
pass
'''
class
Callable
:
def
__call__
(
self
):
pass
class
Noncallable
:
pass
def
spam
():
pass
class
CallableMethod
:
def
method
(
self
):
pass
class
TestInspection
(
unittest
.
TestCase
):
def
test_parsekeywordpairs
(
self
):
# See issue #109
def
fails
(
spam
=
[
"-a"
,
"-b"
]):
pass
default_arg_repr
=
"['-a', '-b']"
self
.
assertEqual
(
str
([
"-a"
,
"-b"
]),
default_arg_repr
,
"This test is broken (repr does not match), fix me."
,
)
argspec
=
inspection
.
getfuncprops
(
"fails"
,
fails
)
defaults
=
argspec
.
argspec
.
defaults
self
.
assertEqual
(
str
(
defaults
[
0
]),
default_arg_repr
)
def
test_pasekeywordpairs_string
(
self
):
def
spam
(
eggs
=
"foo, bar"
):
pass
defaults
=
inspection
.
getfuncprops
(
"spam"
,
spam
).
argspec
.
defaults
self
.
assertEqual
(
repr
(
defaults
[
0
]),
"'foo, bar'"
)
def
test_parsekeywordpairs_multiple_keywords
(
self
):
def
spam
(
eggs
=
23
,
foobar
=
"yay"
):
pass
defaults
=
inspection
.
getfuncprops
(
"spam"
,
spam
).
argspec
.
defaults
self
.
assertEqual
(
repr
(
defaults
[
0
]),
"23"
)
self
.
assertEqual
(
repr
(
defaults
[
1
]),
"'yay'"
)
def
test_get_encoding_ascii
(
self
):
self
.
assertEqual
(
inspection
.
get_encoding
(
encoding_ascii
),
"ascii"
)
self
.
assertEqual
(
inspection
.
get_encoding
(
encoding_ascii
.
foo
),
"ascii"
)
def
test_get_encoding_latin1
(
self
):
self
.
assertEqual
(
inspection
.
get_encoding
(
encoding_latin1
),
"latin1"
)
self
.
assertEqual
(
inspection
.
get_encoding
(
encoding_latin1
.
foo
),
"latin1"
)
def
test_get_encoding_utf8
(
self
):
self
.
assertEqual
(
inspection
.
get_encoding
(
encoding_utf8
),
"utf-8"
)
self
.
assertEqual
(
inspection
.
get_encoding
(
encoding_utf8
.
foo
),
"utf-8"
)
def
test_get_source_ascii
(
self
):
self
.
assertEqual
(
inspection
.
get_source_unicode
(
encoding_ascii
.
foo
),
foo_ascii_only
)
def
test_get_source_utf8
(
self
):
self
.
assertEqual
(
inspection
.
get_source_unicode
(
encoding_utf8
.
foo
),
foo_non_ascii
)
def
test_get_source_latin1
(
self
):
self
.
assertEqual
(
inspection
.
get_source_unicode
(
encoding_latin1
.
foo
),
foo_non_ascii
)
def
test_get_source_file
(
self
):
path
=
os
.
path
.
join
(
os
.
path
.
dirname
(
os
.
path
.
abspath
(
__file__
)),
"fodder"
)
encoding
=
inspection
.
get_encoding_file
(
os
.
path
.
join
(
path
,
"encoding_ascii.py"
)
)
self
.
assertEqual
(
encoding
,
"ascii"
)
encoding
=
inspection
.
get_encoding_file
(
os
.
path
.
join
(
path
,
"encoding_latin1.py"
)
)
self
.
assertEqual
(
encoding
,
"latin1"
)
encoding
=
inspection
.
get_encoding_file
(
os
.
path
.
join
(
path
,
"encoding_utf8.py"
)
)
self
.
assertEqual
(
encoding
,
"utf-8"
)
class
A
:
a
=
"a"
class
B
(
A
):
b
=
"b"
class
Property
:
@
property
def
prop
(
self
):
raise
AssertionError
(
"Property __get__ executed"
)
class
Slots
:
__slots__
=
[
"s1"
,
"s2"
,
"s3"
]
class
SlotsSubclass
(
Slots
):
@
property
def
s4
(
self
):
raise
AssertionError
(
"Property __get__ executed"
)
class
OverriddenGetattr
:
def
__getattr__
(
self
,
attr
):
raise
AssertionError
(
"custom __getattr__ executed"
)
a
=
1
class
OverriddenGetattribute
:
def
__getattribute__
(
self
,
attr
):
raise
AssertionError
(
"custom __getattribute__ executed"
)
a
=
1
class
OverriddenMRO
:
def
__mro__
(
self
):
raise
AssertionError
(
"custom mro executed"
)
a
=
1
member_descriptor
=
type
(
Slots
.
s1
)
class
TestSafeGetAttribute
(
unittest
.
TestCase
):
def
test_lookup_on_object
(
self
):
a
=
A
()
a
.
x
=
1
self
.
assertEqual
(
inspection
.
getattr_safe
(
a
,
"x"
),
1
)
self
.
assertEqual
(
inspection
.
getattr_safe
(
a
,
"a"
),
"a"
)
b
=
B
()
b
.
y
=
2
self
.
assertEqual
(
inspection
.
getattr_safe
(
b
,
"y"
),
2
)
self
.
assertEqual
(
inspection
.
getattr_safe
(
b
,
"a"
),
"a"
)
self
.
assertEqual
(
inspection
.
getattr_safe
(
b
,
"b"
),
"b"
)
self
.
assertEqual
(
inspection
.
hasattr_safe
(
b
,
"y"
),
True
)
self
.
assertEqual
(
inspection
.
hasattr_safe
(
b
,
"b"
),
True
)
def
test_avoid_running_properties
(
self
):
p
=
Property
()
self
.
assertEqual
(
inspection
.
getattr_safe
(
p
,
"prop"
),
Property
.
prop
)
self
.
assertEqual
(
inspection
.
hasattr_safe
(
p
,
"prop"
),
True
)
def
test_lookup_with_slots
(
self
):
s
=
Slots
()
s
.
s1
=
"s1"
self
.
assertEqual
(
inspection
.
getattr_safe
(
s
,
"s1"
),
"s1"
)
with
self
.
assertRaises
(
AttributeError
):
inspection
.
getattr_safe
(
s
,
"s2"
)
self
.
assertEqual
(
inspection
.
hasattr_safe
(
s
,
"s1"
),
True
)
self
.
assertEqual
(
inspection
.
hasattr_safe
(
s
,
"s2"
),
False
)
def
test_lookup_on_slots_classes
(
self
):
sga
=
inspection
.
getattr_safe
s
=
SlotsSubclass
()
self
.
assertIsInstance
(
sga
(
Slots
,
"s1"
),
member_descriptor
)
self
.
assertIsInstance
(
sga
(
SlotsSubclass
,
"s1"
),
member_descriptor
)
self
.
assertIsInstance
(
sga
(
SlotsSubclass
,
"s4"
),
property
)
self
.
assertIsInstance
(
sga
(
s
,
"s4"
),
property
)
self
.
assertEqual
(
inspection
.
hasattr_safe
(
s
,
"s1"
),
False
)
self
.
assertEqual
(
inspection
.
hasattr_safe
(
s
,
"s4"
),
True
)
def
test_lookup_on_overridden_methods
(
self
):
sga
=
inspection
.
getattr_safe
self
.
assertEqual
(
sga
(
OverriddenGetattr
(),
"a"
),
1
)
self
.
assertEqual
(
sga
(
OverriddenGetattribute
(),
"a"
),
1
)
self
.
assertEqual
(
sga
(
OverriddenMRO
(),
"a"
),
1
)
with
self
.
assertRaises
(
AttributeError
):
sga
(
OverriddenGetattr
(),
"b"
)
with
self
.
assertRaises
(
AttributeError
):
sga
(
OverriddenGetattribute
(),
"b"
)
with
self
.
assertRaises
(
AttributeError
):
sga
(
OverriddenMRO
(),
"b"
)
self
.
assertEqual
(
inspection
.
hasattr_safe
(
OverriddenGetattr
(),
"b"
),
False
)
self
.
assertEqual
(
inspection
.
hasattr_safe
(
OverriddenGetattribute
(),
"b"
),
False
)
self
.
assertEqual
(
inspection
.
hasattr_safe
(
OverriddenMRO
(),
"b"
),
False
)
if
__name__
==
"__main__"
:
unittest
.
main
()
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