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How do I make FactoryBoy ImageField generate an image before calling save ()?

Subj.

Right now (Factory Boy version 2.4.1.) With this code:

class ImageFactory(factory.django.DjangoModelFactory):
    class Meta:
        model = Image

    image = factory.django.ImageField(width=1024, height=768)

image

will be None

at the time of saving, so if the model image

has been save

overridden and its function works with image

, it will not work. And this is definitely my business.

So - how to make the image generated before the call save

?

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1 answer


I found a workaround:



class ImageFactory(factory.django.DjangoModelFactory):
    class Meta:
        model = Image

    image = factory.LazyAttribute(
            lambda _: ContentFile(
                factory.django.ImageField()._make_data(
                    {'width': 1024, 'height': 768}
                ), 'example.jpg'
            )
        )
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