self.assertEqual(self.checked_class(id2), by_id_created)
self.check_storage([obj])
- def check_from_table_row(self, *args: Any) -> None:
- """Test .from_table_row() properly reads in class from DB"""
+ def test_from_table_row(self) -> None:
+ """Test .from_table_row() properly reads in class from DB."""
+ if not hasattr(self, 'checked_class'):
+ return
id_ = self.default_ids[0]
- obj = self.checked_class(id_, *args) # pylint: disable=not-callable
+ obj = self.checked_class(id_, **self.default_init_kwargs)
obj.save(self.db_conn)
assert isinstance(obj.id_, type(self.default_ids[0]))
for row in self.db_conn.row_where(self.checked_class.table_name,
'id', obj.id_):
+ # check .from_table_row reproduces state saved, no matter if obj
+ # later changed (with caching even)
hash_original = hash(obj)
+ attr_name = self.checked_class.to_save[-1]
+ attr = getattr(obj, attr_name)
+ if isinstance(attr, (int, float)):
+ setattr(obj, attr_name, attr + 1)
+ elif isinstance(attr, str):
+ setattr(obj, attr_name, attr + "_")
+ elif isinstance(attr, bool):
+ setattr(obj, attr_name, not attr)
+ obj.cache()
+ to_cmp = getattr(obj, attr_name)
retrieved = self.checked_class.from_table_row(self.db_conn, row)
+ self.assertNotEqual(to_cmp, getattr(retrieved, attr_name))
self.assertEqual(hash_original, hash(retrieved))
+ # check cache contains what .from_table_row just produced
self.assertEqual({retrieved.id_: retrieved},
self.checked_class.get_cache())