unit testing

[Tim Chase]

>>> Does anyone else feel that unittesting is too much work? Not in general,
>>> just the official unittest module for small to medium sized projects?
> [snip]
>>  I actually do a lot of unit testing. I find it both annoying and
>> highly necessary and useful.
> 
> +1 QOTW.
> 
> I feel exactly the same way.  Writing tests (whether you use unittest, 
> doctest, py.test or whatever) is always a pain and a time sink. But 
> writing those tests catches so many bugs that it's worth it for any code 
> you expect to use more than twice. =)

If test-driven development doesn't appeal, you might prefer Titus 
Brown's methodology from PyCon '07:

"""
I don't do test-driven development; I do stupidity-driven 
testing. When I do something stupid, I write a test to make sure 
I don't do it again.
"""

http://ivory.idyll.org/blog/feb-07/stupidity-driven-testing

-tkc