New submission from Matthias Braun <[email protected]>:
The test_listdir test from Lib/test/test_os.py is using os.listdir() twice in
the root directory with and without parameters and compares the results. I just
had the test fail for me, because an unrelated process happened to create a
file in the root directory between the two invocations of os.listdir. In my
case it was rsyslog creating '/imjournal.state.tmp', but the problem is a
general one.
The test failed with:
```
..test test_os failed -- Traceback (most recent call last):
File "/home/matthiasb/dev/fbcpython/Lib/test/test_os.py", line 1914, in
test_listdir
self.assertEqual(set(os.listdir()), set(os.listdir(os.sep)))
AssertionError: Items in the first set but not the second:
'imjournal.state.tmp'
```
----------
components: Tests
messages: 364383
nosy: Matthias Braun
priority: normal
severity: normal
status: open
title: test_os / test_listdir failed as root-directory changed during test
type: behavior
versions: Python 3.7
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Python tracker <[email protected]>
<https://bugs.python.org/issue39986>
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