[TIP] Building a unittest.TestCase from a doctest

[Titus Brown]

On Tue, Dec 18, 2007 at 11:34:17PM -0800, Titus Brown wrote:
-> I have a somewhat complicated path setup for a library called 'motility'
-> [0], which looks for fuzzy matches to known patterns in DNA.  It
-> contains Python bindings to a C++ library.
-> 
-> Recently I wrote a doctest-style tutorial for motility, and I also
-> started using doctests for function docs.  These are scattered
-> throughout the library:
-> 
-> 	tests/ - contains nose-style unit tests
-> 	doc/   - some files contain doctests
-> 	python/motility/*.py - some files contain doctests
-> 
-> I would like to use nose to run all of the doctests and include the
-> output in the general test results, but I cannot figure out a good
-> (clean, simple) way of including the doctests in the tests/ directory.
-> 
-> One way would be to add a file in the tests/ directory that loaded all
-> of the doctests and executed them, but I can't figure out how to get
-> them to be included as a simple TestCase.

Here's my current solution:

http://cartwheel.idyll.org/browser/trunk/motility/tests/test-doctests.py

It's not perfect, because each batch of doctests is represented as a
*single* test, but it works.  It also lets me run all the doctests with
a single shell command, too.

cheers,
--titus