[IPython-dev] IPy notebook as simple test system?

[Greg Wilson]

Is this another case where named cells would be useful?

%%test name_of_cell_to_compare_code_against
...code...

and then further down, a Markdown cell with a name ?

Thanks,
Greg

On 2013-12-05 5:44 PM, Aaron Meurer wrote:
> Here's the relevant issue:
> https://github.com/ipython/ipython/issues/1195. I would love to see
> something like this integrated into IPython.
>
> Aaron Meurer
>
> On Thu, Dec 5, 2013 at 3:42 PM, MinRK <benjaminrk at gmail.com> wrote:
>> I wrote a toy script a while ago, to show that this kind of thing is
>> feasible:
>>
>> https://gist.github.com/minrk/2620735
>>
>> -MinRK
>>
>>
>> On Thu, Dec 5, 2013 at 1:00 PM, Martín Gaitán <gaitan at phasety.com> wrote:
>>> Hi everybody
>>>
>>> I need to add some tests to fortran-magic [1] and I realized that,
>>> basically, I should test each example in the documentation which is already
>>> done as a notebook[2] .
>>>
>>> So, I got this idea: make a a way to run the code cells of a notebook and
>>> compare the calculated output against the stored output in the notebook.
>>>
>>> Looking for something like this I found [3] and [4], which facilitate the
>>> use of doctests, but it's not exactly the same. Conceptually, this are also
>>> doctests, but the main difference with what I imagine is that we don't
>>> bother writing fake code inside the actual code: No docstrings at all, just
>>> use the cells we already have.
>>>
>>> Of course the comparison should be flexible. Doctest has directives to
>>> allow ellipsis or normalizations, for example [5]. I think this could be
>>> simplified with an UI to select the portions of the output that must be
>>> compared and store this selection as cell metadata.
>>>
>>> What do you think?
>>>
>>> [1] https://github.com/mgaitan/fortran_magic
>>> [2]
>>> http://nbviewer.ipython.org/github/mgaitan/fortran_magic/blob/master/documentation.ipynb
>>> [3]
>>> http://catherinedevlin.blogspot.co.uk/2012/10/im-increasingly-amazed-at-ipython.html
>>> [4] https://github.com/tkf/ipython-doctestmagic
>>> [5] http://docs.python.org/2/library/doctest.html#directives
>>>
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>>
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