[New-bugs-announce] [issue6514] "python -m unittest <testmodule>" does not run any tests

Jean-Paul Calderone report at bugs.python.org
Sat Jul 18 16:51:26 CEST 2009

New submission from Jean-Paul Calderone <exarkun at divmod.com>:

exarkun at boson:~$ cat > test_foo.py
from unittest import TestCase

class SomeTests(TestCase):
    def test_foo(self):
exarkun at boson:~$ python -m unittest test_foo

Ran 0 tests in 0.000s

exarkun at boson:~$ python -m unittest test_foo.SomeTests
Traceback (most recent call last):
  File "/usr/lib/python2.5/runpy.py", line 95, in run_module
    filename, loader, alter_sys)
  File "/usr/lib/python2.5/runpy.py", line 52, in _run_module_code
    mod_name, mod_fname, mod_loader)
  File "/usr/lib/python2.5/runpy.py", line 32, in _run_code
    exec code in run_globals
  File "/usr/lib/python2.5/unittest.py", line 816, in <module>
  File "/usr/lib/python2.5/unittest.py", line 767, in __init__
  File "/usr/lib/python2.5/unittest.py", line 794, in parseArgs
  File "/usr/lib/python2.5/unittest.py", line 800, in createTests
  File "/usr/lib/python2.5/unittest.py", line 565, in loadTestsFromNames
    suites = [self.loadTestsFromName(name, module) for name in names]
  File "/usr/lib/python2.5/unittest.py", line 553, in loadTestsFromName
    test = obj()
  File "/usr/lib/python2.5/unittest.py", line 209, in __init__
    (self.__class__, methodName)
ValueError: no such test method in <class 'test_foo.SomeTests'>: runTest
exarkun at boson:~$ python -m unittest test_foo.SomeTests.test_foo
Ran 1 test in 0.000s

exarkun at boson:~$ 

I don't really know what's happening in the middle case.  The first case
seems to fail because the test loader goes around looking for subclasses
of __main__.TestCase.  It only finds subclasses of unittest.TestCase,
though, which it rejects.

components: Library (Lib)
messages: 90681
nosy: exarkun
severity: normal
status: open
title: "python -m unittest <testmodule>" does not run any tests
type: behavior
versions: Python 2.4, Python 2.5, Python 2.6

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