#22335: tests.user_commands.UtilsTests failure on non-English Windows systems
--------------------------------------------+--------------------
Reporter: zsiciarz | Owner: nobody
Type: Bug | Status: new
Component: Core (Management commands) | Version: master
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 1 | UI/UX: 0
--------------------------------------------+--------------------
While working my way towards #22234, I've noticed that current master
doesn't pass the test suite on Windows if the system language is other
than English. This is the output from running that test on Windows 7
(Polish language, Python 2.7.2):
{{{
(django-dev) C:\Users\USER\v\django-dev\django\tests>python runtests.py
user_commands.tests.UtilsTests
Testing against Django installed in 'c:\users\user\v\django-
dev\django\django'
Creating test database for alias 'default'...
Creating test database for alias 'other'...
E
======================================================================
ERROR: test_no_existent_external_program (user_commands.tests.UtilsTests)
----------------------------------------------------------------------
Traceback (most recent call last):
File "C:\Users\USER\v\django-dev\django\tests\user_commands\tests.py",
line 81, in test_no_existent_external
_program
self.assertRaises(CommandError, popen_wrapper,
['a_42_command_that_doesnt_exist_42'])
File "D:\Python27\Lib\unittest\case.py", line 471, in assertRaises
callableObj(*args, **kwargs)
File "c:\users\user\v\django-
dev\django\django\core\management\utils.py", line 24, in popen_wrapper
(args[0], e.strerror)), sys.exc_info()[2])
UnicodeDecodeError: 'ascii' codec can't decode byte 0xbf in position 6:
ordinal not in range(128)
----------------------------------------------------------------------
Ran 1 test in 0.045s
FAILED (errors=1)
Destroying test database for alias 'default'...
Destroying test database for alias 'other'...
}}}
This failure appears to be caused by a localized system error. The test
expects that a `CommandError` is raised, saying that a program cannot be
found. The actual error message is extracted from the original operating
system error. On English Windows, the message says ''The system cannot
find the file specified'' and the test passes. In case of Polish language,
the error says ''Nie można odnaleźć określonego pliku'' (oops, non-ASCII
characters here) and the test fails as seen above. Wrapping the system
error with `force_text` should solve this problem.
--
Ticket URL: <https://code.djangoproject.com/ticket/22335>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.
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