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Copy file metadata in atomic save

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Closes gh-6405
This commit is contained in:
Thomas Kluyver 2014-09-11 15:06:08 -07:00
parent 052f990333
commit 9bde43a7fd
1 changed files with 9 additions and 0 deletions
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9
IPython/utils/tests/test_io.py
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@ -16,6 +16,7 @@ from __future__ import absolute_import
import io as stdlib_io
import os.path
import stat
import sys
from subprocess import Popen, PIPE
@ -135,6 +136,10 @@ def test_atomic_writing():
with stdlib_io.open(f1, 'w') as f:
f.write(u'Before')
if os.name != 'nt':
os.chmod(f1, 0o701)
orig_mode = stat.S_IMODE(os.stat(f1).st_mode)
with nt.assert_raises(CustomExc):
with atomic_writing(f1) as f:
f.write(u'Failing write')
@ -149,3 +154,7 @@ def test_atomic_writing():
with stdlib_io.open(f1, 'r') as f:
nt.assert_equal(f.read(), u'Overwritten')
if os.name != 'nt':
mode = stat.S_IMODE(os.stat(f1).st_mode)
nt.assert_equal(mode, orig_mode)