Hi Carlos,
I think that's an excellent (implied) suggestion.
I know that FME has basically no frame-work for testing "workspaces"
(FME's equivalent of QGIS' "models") which makes development somewhat
hap-hazard. If QGIS had one, it would certainly be a leg-up over the
industry leader in this area. Last time I used it ArcGIS didn't either,
but that was quite a while ago.
To answer the question - I believe at present with QGIS (and ArcGIS
too), you could export the model to Python and then do conventional
unit-tests that way. But it's a clunky way of doing it.
To me at least this seems like it would be well suited to being added to
QGIS. It's not "sexy", but it's definitely useful.
Cheers,
Jonathan
On 2018-07-04 07:55, Carlos Cámara wrote:
Dear all,
I am just starting with QGIS' processing to create some complex model
which makes quite a lot of changes and I would like to know if there
is a way to test my own model while launching it, so if the tests
fail, I can get a notification and I will know that something went
wrong before I realize too late and I have to lose any changes I made
after executing the model with unexpected results.
*Example*:
I am doing several joins and spatial joins. I learnt the hard way that
after triggering several times my model, every time I was joining
layers, new fields were added with a |_1| appended to them in order
not to overwrite the previously created fields by mistake when I
repeated the model. It would be great to have some test that either
checked all the layer's fields or counted its number and, if they
weren't as expected, triggered an alarm/dialog box or created a log file.
Regards
Carlos Cámara
http://carloscamara.es
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