[issue20145] unittest.assert*Regex functions should verify that expected_regex has a valid type
Ezio Melotti
report at bugs.python.org
Mon Feb 10 08:52:29 CET 2014
Ezio Melotti added the comment:
The two signatures of assertRaisesRegex are:
assertRaisesRegex(exception, regex, callable, *args, **kwds)
assertRaisesRegex(exception, regex, msg=None)
IIUC what you are saying is that if you forget the regex and call assertRaisesRegex(exception, callable) the test will pass.
I think it would be ok to add a check to see if the second argument is a callable or None (or maybe check if it's a string or regex object?), and give an appropriate error message if it's not.
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keywords: +easy
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