self.assertEqual(1, error_mock.call_count)
def test_version_argument(self):
+ if sys.version_info >= (3, 0):
+ import warnings
+ warnings.simplefilter("ignore")
with redirected_streams(stdout=StringIO, stderr=StringIO) as (out, err):
with self.assertRaises(SystemExit):
self.run_ls(['--version'], None)