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[3.6] bpo-30649: test_os tolerates 50 ms delta for utime (#2156) (#2175) 

* bpo-30649: test_os tolerates 50 ms delta for utime (#2156)

On Windows, tolerate a delta of 50 ms instead of 20 ms in
test_utime_current() and test_utime_current_old() of test_os.

On other platforms, reduce the delta from 20 ms to 10 ms.
(cherry picked from commit c94caca65c)

* bpo-30649: Revert utime delta in test_os (#2176)

PPC64 Fedora 3.x buildbot requires at least a delta of 14 ms: revert
the utime delta to 20 ms.

I tried 10 ms, but test_os failed on the PPC64 Fedora 3.x buildbot.
(cherry picked from commit 3402f72688)
This commit is contained in:
Victor Stinner 2017-06-14 14:26:52 +02:00 committed by GitHub
parent 22d909f8c2
commit c2a506e40e
1 changed files with 6 additions and 1 deletions
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7
Lib/test/test_os.py
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@ -622,8 +622,13 @@ class UtimeTests(unittest.TestCase):
if not self.support_subsecond(self.fname):
delta = 1.0
elif os.name == 'nt':
# On Windows, the usual resolution of time.time() is 15.6 ms.
# bpo-30649: Tolerate 50 ms for slow Windows buildbots.
delta = 0.050
else:
# On Windows, the usual resolution of time.time() is 15.6 ms
# bpo-30649: PPC64 Fedora 3.x buildbot requires
# at least a delta of 14 ms
delta = 0.020
st = os.stat(self.fname)
msg = ("st_time=%r, current=%r, dt=%r"