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Thu Feb 14 09:56:52 EST 2019 · https://mail.python.org/pipermail/python-dev/2019-February/156309.html

On Thu, Feb 14, 2019 at 3:25 PM Eric Snow <ericsnowcurrently at gmail.com>
wrote:

> On Thu, Feb 14, 2019, 02:47 Ronald Oussoren via Python-Dev <
> python-dev at python.org wrote:
>
>>
>> I usually use shutil.rmtree for tests that need to create temporary
>> files, and create a temporary directory for those files (that is, use
>> tempfile.mkdtemp in setUp() and use shutil.rmtree in tearDown()). That way
>> I don’t have to adjust house-keeping code when I make changes to test code.
>>
>
> Same here.
>
> -eric
>
>>
What I generally do is avoid relying on tempfile.mkdtemp() and always use
TESTFN instead. I think it's cleaner as a pradigm because it's an incentive
to not pollute the single unit tests with  `self.addCleanup()` instructions
(the whole cleanup logic is always supposed to occur in setUp/tearDown):

TESTFN = support.TESTFN
TESTFN2 = TESTFN + '2'

class FilesystemTest(unittest.TestCase):

    def setUp(self):
        remove_file_or_dir(TESTFN)
        remove_file_or_dir(TESTFN2)
    tearDown = setUp

    def test_mkdir(self):
        ...
    def test_listdir(self):
        ...
    def test_rename(self):
        ...

-- 
Giampaolo - http://grodola.blogspot.com
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[Python-Dev] Adding test.support.safe_rmpath()