def test_thumbnails_are_generated_on_save(self):
with open('products/fixtures/the-cathedral-the-bazaar.jpg', 'rb') as f:
image = ProductImage(
product=self.product,
image=ImageFile(f, name='tctb.jpg'),
)
with self.assertLogs('products.signals', level='INFO') as cm:
image.save()
self.assertGreaterEqual(len(cm.output), 1)
image.refresh_from_db()
with open('products/fixtures/the-cathedral-the-bazaar.thumb.jpg', 'rb') as f:
expected_content = f.read()
assert image.thumbnail.read() == expected_content
image.thumbnail.delete(save=False)
image.image.delete(save=False)
