[pytest-dev] how to handle 'parameterize' misspelling

[holger krekel]

Hi Brianna,

On Mon, Mar 09, 2015 at 23:25 +0100, Brianna Laugher wrote:
> Hello,
> 
> https://bitbucket.org/pytest-dev/pytest/issue/463/add-alias-for-parametrize-or-provide
> 
> It is, I think, a relatively common and easy error for someone to type
> 'pytest.mark.parameterize' instead of 'pytest.mark.parametrize'. At the
> moment doing so (wrongly putting an extra 'e') results in an error like*
> "fixture 'arg' not found" *which is not very revealing as to what the
> problem actually is.
> 
> Two reasonable options would be
> 1) Treat parameterize as an alias of parametrize, so they behave identically
> 2) Check for the misspelling and raise a specific error about it
> 
> What are people's thoughts about the best approach?

For now 2) seems like a direct worthwhile fix/help to me.

FWIW I have a long-standing refactoring for markers which was at some point
95% complete (and discussed with Floris and others at a previous Pycon).
It would make registering markers much easier.  But waiting for it is
probably no the right strategy.

With the refactoring in place i'd feel more comfortable with issuing
warnings on non-registered markers.  Currently, marker registration
is a bit too clunky IMHO.

holger