def test_can_save_same_record_to_diffrent_pack(self):
pack1 = Pack.objects.create()
pack2 = Pack.objects.create()
Record.objects.create(pack=pack1, text='dup')
record = Record(pack=pack2, text='dup')
record.full_clean() # should not raise
def test_cannot_save_empty_records(self):
pack = Pack.objects.create()
record = Record(pack=pack, text='')
with self.assertRaises(ValidationError):
record.save()
record.full_clean()