[TIP] paramterized or generative tests [was nose2: the nosening]

[Rob Guttman]

My use case for parameterized tests is module load/import time only.

Yield-style test generation is limited for my needs and I also sometimes
find those tests hard to understand.  So I wrote my own test framework about
a year or so ago that instead uses a decorator and auto-tags tests with each
param and value (so they can be individually selected via nose's attrib
plugin).  Tests get permuted across all combinations of parameters; new
tests get created and added to the test class on module import.  I would
love to find the right home/package for this work assuming others may find
it useful although it needs a bit more love for it to be shareable.
Ideas/suggestions welcome.

- Rob


On Thu, Aug 5, 2010 at 9:31 PM, Michael Foord <fuzzyman at voidspace.org.uk>wrote:

> On 06/08/2010 02:23, Jesse Noller wrote:
>
>> [snip...]
>>
>> ps: If nose2/unittest2 could find it in it's shiny new innocent heart
>> to say, have support for test generators; I'd die happy.
>>
>>
>
> Well there's another discussion :-)
>
> It would be very simple to support parameterized tests (of some form),
> where the number of tests can be known at test load time. Supporting
> generative tests - where the tests are generated at *test run time* is
> uglier.
>
> Would parameterized tests, where the tests are all generated at test load
> time, suffice or do you have a use case for generative tests where the tests
> have to be generated whilst the tests are running and not when the tests are
> loaded?
>
> Michael
>
>
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