[PyQt] Unit testing PyQt applications

[Mads Ipsen]

On 07/03/2012 09:43, Luca Beltrame wrote:
> In data mercoledì 7 marzo 2012 09:37:38, Mads Ipsen ha scritto:
>
>> the Python unittest moudle. I have attached a few examples. If you have
>> time to take a look and comment, it would be great.
> I have a question on FooTest: is having a QApplication instance enough in
> unittest to ensure emission of signals? Otherwise your problem does not only
> apply to using threads, but to any use of unittest with signals and slots.
Signals are emitted. You can emulate pressing a button using the static 
utility methods from the QTest module; the slots that the button signal 
is connected to will be called. In some cases, if the called slots 
perform a lot of processing, I usually call QtGui.qApp.processEvents() 
after triggering the event. However, I am not an expert, so I don't know 
if this is the right approach/thing to do.

>> * Hook up a slot which gets called when the thread finishes
> As I said above, are signals emitted in the FooTest case? I ask because I've
> been meaning to add unittest to my applications but I was not sure how to
> handle the case of slots and signals.
>
>> * Start the event loop by calling QtGui.qApp.exec_()
> I think I've tried this in the past and it didn't quite work for me.
>
>
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