Antoine Pitrou added the comment:
To recap a bit, here is a very simplified view of the test:
A. path is opened for writing (and then closed)
B. its st_mtime is recorded in old_mtime
C. path is opened again for writing (and closed)
D. assert `path's current mtime` >= old_mtime
Whatever the details of Windows filesystem timestamps, it should be a
no-brainer that the assertion passes :-) But it fails by some nanoseconds on
some Windows buildbots (not all):
File "C:\buildbot.python.org\3.x.kloth-win64\build\lib\test\test_pathlib.py",
line 1391, in test_touch_common
self.assertGreaterEqual(p.stat().st_mtime, old_mtime)
AssertionError: 1385156382.902938 not greater than or equal to
1385156382.9029381
File
"D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\test_pathlib.py",
line 1391, in test_touch_common
self.assertGreaterEqual(p.stat().st_mtime, old_mtime)
AssertionError: 1385150397.383464 not greater than or equal to
1385150397.3834648
File
"D:\cygwin\home\db3l\buildarea\3.x.bolen-windows\build\lib\test\test_pathlib.py",
line 1391, in test_touch_common
self.assertGreaterEqual(p.stat().st_mtime, old_mtime)
AssertionError: 1385157186.106778 not greater than or equal to
1385157186.1067784
----------
nosy: +jkloth, steve.dower
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue19715>
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