Re: Testing reusable application: compatible way

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On 12/07/2014 02:28 PM, Carl Meyer wrote:
> On 12/07/2014 08:40 AM, Matwey V. Kornilov wrote:
>> I've followed this documentation:
>> https://docs.djangoproject.com/en/1.7/topics/testing/advanced/#using-the-django-test-runner-to-test-reusable-applications
>> and found that it works only for Django 1.7, whereas I would like to
>> have a code snipped working also for 1.5, 1.6.
>>
>> An issue with the runtests.py from the link above thatdjango.setup() has
>> been introduced only in 1.7 and elder version seems to require different
>> way to prepare settings object.
>
> Older Django versions didn't require any explicit initialization step,
> so all you need to do is check `hasattr(django, 'setup')` and only call
> it if it exists (or you can check the Django version instead, if you
> prefer).
>
> DiscoverRunner was only introduced in 1.6, so if you want to be
> 1.5-compatible you'll also need a fallback to the old
> DjangoTestSuiteRunner. And note that the format of test labels changed:
> in DjangoTestSuiteRunner it was an app-label, where in DiscoverRunner
> it's a full Python dotted path.

I forgot that the documented example uses django.test.utils.get_runner
instead of directly importing DiscoverRunner. `get_runner` existed
already in 1.5, so that code should work back to 1.5, I would think.

> You can see an example `runtests.py` that accounts for these differences
> here:
> https://github.com/carljm/django-model-utils/blob/master/runtests.py#L34
>
> Carl
>

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