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Kirill Smelkov
cpython
Commits
5713b3c5
Commit
5713b3c5
authored
Jun 20, 2015
by
Jason R. Coombs
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Issue #20387: Add test capturing failure to roundtrip indented code in tokenize module.
parent
7cf36387
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Lib/test/test_tokenize.py
Lib/test/test_tokenize.py
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Lib/test/test_tokenize.py
View file @
5713b3c5
...
...
@@ -1229,6 +1229,22 @@ class UntokenizeTest(TestCase):
self
.
assertEqual
(
untokenize
(
iter
(
tokens
)),
b'Hello '
)
class
TestRoundtrip
(
TestCase
):
def
roundtrip
(
self
,
code
):
if
isinstance
(
code
,
str
):
code
=
code
.
encode
(
'utf-8'
)
return
untokenize
(
tokenize
(
BytesIO
(
code
).
readline
))
def
test_indentation_semantics_retained
(
self
):
"""
Ensure that although whitespace might be mutated in a roundtrip,
the semantic meaning of the indentation remains consistent.
"""
code
=
"if False:
\
n
\
t
x=3
\
n
\
t
x=3
\
n
"
codelines
=
roundtrip
(
code
).
split
(
'
\
n
'
)
self
.
assertEqual
(
codelines
[
1
],
codelines
[
2
])
__test__
=
{
"doctests"
:
doctests
,
'decistmt'
:
decistmt
}
def
test_main
():
...
...
@@ -1239,6 +1255,7 @@ def test_main():
support
.
run_unittest
(
TestDetectEncoding
)
support
.
run_unittest
(
TestTokenize
)
support
.
run_unittest
(
UntokenizeTest
)
support
.
run_unittest
(
TestRoundtrip
)
if
__name__
==
"__main__"
:
test_main
()
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