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Martin Aspeli wrote:
> Jens Vagelpohl wrote:
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>> On 27 Dec 2006, at 16:16, Tres Seaver wrote:
>>> Rocky Burt wrote:
>>>> On Wed, 2006-27-12 at 11:46 +0100, Jens Vagelpohl wrote:
>>>>> P.S.: I _hate hate hate_ doctests ;)
>>> I won't speak for Jens, but I find they have two serious drawbacks when
>>> used as *unit tests* (as opposted to quasi-functional tests with
>>> - Tests dont run in isolation from one another (this is why I say
>>> - The contortions required to get testable output printed often
>>> obscure the intent of the test itself.
>> From painful experience with the customer work right now, and from the
>> work on the CMF branch to convert tools to utilities I'll add that they
>> make debugging a lot harder (where can I step into and through the test
>> code with pdb as I normally do?) and the fact that they don't just stop
>> executing when an error is encountered like a normal unit test does.
>> They continue, usually spewing miles and miles of text, and it's really
>> annoying to scroll back screen after screen after screen to find the
>> real problem.
I tend to run with 'bin/zopectl test -D' to stop the test in
"postmortem" mode at the first failure: works for both "traditional"
unit tests and doctests.
> I agree with the pdb problem. I tend to use them either to explain
> narratives about how code works, for functional tests with
> zope.testbrowser, and sometimes they just "feel" right for the thing to
> be tested, but I quickly came off using them for everything.
> To only see the first test failure (it'll continue to execute
> regardless, because you may have cleanup code that needs to run
> after...) in the output, you can do this, which I always do:
> import unittest
> import doctest
> from some.module import test_module
> optionflags = doctest.REPORT_ONLY_FIRST_FAILURE | doctest.ELLIPSIS
> def test_suite():
> suite = unittest.TestSuite()
> return suite
Cool, I didn't know that one.
Tres Seaver +1 540-429-0999 [EMAIL PROTECTED]
Palladion Software "Excellence by Design" http://palladion.com
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