def test_thumbnail_or_file(self):
"""thumbnail_or_file() returns self.thumbnail if set, or else returns
self.file"""
image = ImageAttachment(content_object=self.obj, creator=self.user)
with open('apps/upload/tests/media/test.jpg') as f:
up_file = File(f)
image.file.save(up_file.name, up_file, save=True)
eq_(image.file, image.thumbnail_or_file())
generate_thumbnail(image, up_file.name)
eq_(image.thumbnail, image.thumbnail_or_file())
