[Python-Dev] Proposed unittest changes
Guido van Rossum
guido at python.org
Fri Apr 18 00:34:53 CEST 2008
On Thu, Apr 17, 2008 at 3:31 PM, Jonathan Lange <jml at mumak.net> wrote:
> On Thu, Apr 17, 2008 at 11:49 PM, Michael Foord
> <fuzzyman at voidspace.org.uk> wrote:
> > assert_raises_with_message (exc_class, message, callable, *args,
> > **keywargs)
> >
>
> I don't think this one should go in.
>
> I think it would be better if assertRaises just returned the exception
> object that it catches. That way, you can test properties of the
> exception other than its message.
Hm. I've got to say that returning the exception object is, um, an odd
API in the set of unittest APIs. I can see how it's sometimes more
powerful, but I'd say that in many cases assertRaisesWithMessage will
be easier to write and read. (And making it a regex match would be
even cooler.)
--
--Guido van Rossum (home page: http://www.python.org/~guido/)
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