[Numpy-discussion] Code samples in docstrings mistaken as doctests

[Michael Abshoff]

Stéfan van der Walt wrote:
> 2008/6/24 Stéfan van der Walt <stefan at sun.ac.za>:
>> It should be fairly easy to execute the example code, just to make
>> sure it runs.  We can always work out a scheme to test its validity
>> later.

Hi,

> Mike Hansen just explained to me that the Sage doctest system sets the
> random seed before executing each test.  If we address
> 
> a) Random variables

we have some small extensions to the doctesting framework that allow us 
to mark doctests as "#random" so that the result it not checked. Carl 
Witty wrote some code that makes the random number generator in a lot of 
the Sage components behave consistently on all supported platforms.

> b) Plotting representations and
> c) Endianness

Yeah, the Sage test suite seems to catch at least one of those in every 
release cycle.

Another thing we just implemented is a "jar of pickles" that lets us 
verify that there is no cross platform issues (32 vs. 64 bits and big 
vs. little endian) as well as no problems with loading pickles from 
previous releases.

> we're probably halfway there.
> 
> Regards
> Stéfan

Cheers,

Michael

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