[Qgis-developer] Tool for creating unit tests for SEXTANTE.

[Tim Sutton]

Hi


On Thu, Mar 7, 2013 at 10:53 AM, Victor Olaya <volayaf at gmail.com> wrote:
> Hi all,
>
> I have been thinking about how to ease the process of creating unit
> tests for SEXTANTE algorithms. Ideally, there should be (at least) a
> test for each algorithm. I do not fancy the idea of automating that
> and just feeding whatever data to an algorithm and checking it
> produced something, since that is not a good solution. Instead, I
> would like to have meaningful tests, taking a sample dataset, running
> an algorithm, and checking it produces a correct result.
>
> This is time-consuming, but I have created a small tool, so anyone,
> even non-programmers, can use it and help us. Basically, you have to
> run an algorithm using a test dataset that will be provided along with
> SEXTANTE. Then you check that the resulting data is correct. If so,
> you go to the SEXTANTE history, right click on that algorithm you have
> just run, and select "create test". It will create the corresponding
> python code that calls that algorithm with that same input values and
> tests the output is exactly that one. That code can later be send
> somehow, to be included in the testing suite.
>
> Before lauching this and tell people to start helping us, I would like
> to hear your opinion on it, and if you have something to add, please
> feel free to comment.
>

This is awesome stuff! It would be really create if these tests could
be run as part of our standard test framework (e.g. invoked by make
test), so that we could collect pass failure metrics accross different
platforms. Is this already the case, or something you could add
support for?

Regards

Tim

> Thanks!
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> Qgis-developer at lists.osgeo.org
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