[issue43961] test_logging.test_namer_rotator_inheritance() logs a logging error

[STINNER Victor]

New submission from STINNER Victor <vstinner at python.org>:

vstinner at DESKTOP-DK7VBIL C:\vstinner\python\master>python -m test test_logging -m test_namer_rotator_inheritance
Running Debug|x64 interpreter...
0:00:00 Run tests sequentially
0:00:00 [1/1] test_logging
--- Logging error ---
Traceback (most recent call last):
  File "C:\vstinner\python\master\lib\logging\handlers.py", line 74, in emit
    self.doRollover()
  File "C:\vstinner\python\master\lib\logging\handlers.py", line 179, in doRollover
    self.rotate(self.baseFilename, dfn)
  File "C:\vstinner\python\master\lib\logging\handlers.py", line 117, in rotate
    self.rotator(source, dest)
  File "C:\vstinner\python\master\lib\test\test_logging.py", line 5222, in rotator
    os.rename(source, dest + ".rotated")
FileExistsError: [WinError 183] Cannot create a file when that file already exists: 'C:\\Users\\vstinner\\AppData\\Local\\Temp\\test_logging-2-tj71b
t8k.log' -> 'C:\\Users\\vstinner\\AppData\\Local\\Temp\\test_logging-2-tj71bt8k.log.1.test.rotated'
Call stack:
  File "C:\vstinner\python\master\lib\runpy.py", line 196, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "C:\vstinner\python\master\lib\runpy.py", line 86, in _run_code
    exec(code, run_globals)
  File "C:\vstinner\python\master\lib\test\__main__.py", line 2, in <module>
    main()
  File "C:\vstinner\python\master\lib\test\libregrtest\main.py", line 719, in main
    Regrtest().main(tests=tests, **kwargs)
  File "C:\vstinner\python\master\lib\test\libregrtest\main.py", line 641, in main
    self._main(tests, kwargs)
  File "C:\vstinner\python\master\lib\test\libregrtest\main.py", line 694, in _main
    self.run_tests()
  File "C:\vstinner\python\master\lib\test\libregrtest\main.py", line 521, in run_tests
    self.run_tests_sequential()
  File "C:\vstinner\python\master\lib\test\libregrtest\main.py", line 423, in run_tests_sequential
    result = runtest(self.ns, test_name)
  File "C:\vstinner\python\master\lib\test\libregrtest\runtest.py", line 194, in runtest
    return _runtest(ns, test_name)
  File "C:\vstinner\python\master\lib\test\libregrtest\runtest.py", line 154, in _runtest
    result = _runtest_inner(ns, test_name,
  File "C:\vstinner\python\master\lib\test\libregrtest\runtest.py", line 282, in _runtest_inner
    refleak = _runtest_inner2(ns, test_name)
  File "C:\vstinner\python\master\lib\test\libregrtest\runtest.py", line 246, in _runtest_inner2
    test_runner()
  File "C:\vstinner\python\master\lib\test\support\__init__.py", line 682, in inner
    return func(*args, **kwds)
  File "C:\vstinner\python\master\lib\test\test_logging.py", line 5503, in test_main
    support.run_unittest(*tests)
  File "C:\vstinner\python\master\lib\test\support\__init__.py", line 1082, in run_unittest
    _run_suite(suite)
  File "C:\vstinner\python\master\lib\test\support\__init__.py", line 959, in _run_suite
    result = runner.run(suite)
  File "C:\vstinner\python\master\lib\test\support\testresult.py", line 169, in run
    test(self.result)
  File "C:\vstinner\python\master\lib\unittest\suite.py", line 84, in __call__
    return self.run(*args, **kwds)
  File "C:\vstinner\python\master\lib\unittest\suite.py", line 122, in run
    test(result)
  File "C:\vstinner\python\master\lib\unittest\suite.py", line 84, in __call__
    return self.run(*args, **kwds)
  File "C:\vstinner\python\master\lib\unittest\suite.py", line 122, in run
    test(result)
  File "C:\vstinner\python\master\lib\unittest\case.py", line 652, in __call__
    return self.run(*args, **kwds)
  File "C:\vstinner\python\master\lib\unittest\case.py", line 592, in run
    self._callTestMethod(testMethod)
  File "C:\vstinner\python\master\lib\unittest\case.py", line 549, in _callTestMethod
    method()
  File "C:\vstinner\python\master\lib\test\test_logging.py", line 5229, in test_namer_rotator_inheritance
    rh.emit(self.next_rec())
Message: '2'
Arguments: None

== Tests result: SUCCESS ==

1 test OK.

Total duration: 1.1 sec
Tests result: SUCCESS

----------
components: Tests
messages: 392137
nosy: vinay.sajip, vstinner
priority: normal
severity: normal
status: open
title: test_logging.test_namer_rotator_inheritance() logs a logging error
versions: Python 3.10

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43961>
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