def test_updating_surname_validation_throw(self):
director = Director(name='steven', surname='spilberg')
director.full_clean()
director.save()
director.surname = 'a' * 41
with self.assertRaises(ValidationError):
director.full_clean()
def test_updating_surname_no_error_throw(self):
director = Director(name='ennio', surname='spilberg')
director.full_clean()
director.save()
director.surname = 'McDoe'
director.save()
director.full_clean()
director.refresh_from_db()
self.assertEqual(Director.objects.count(), 1)
self.assertEqual(1, director.id)
self.assertEqual('ennio', director.name)
self.assertEqual('McDoe', director.surname)