+ def check_versioned_from_table_row(self, attr_name: str,
+ type_: type) -> None:
+ """Test .from_table_row() reads versioned attributes from DB."""
+ owner = self.checked_class(None)
+ vals: list[Any] = ['t1', 't2'] if type_ == str else [0.9, 1.1]
+ attr = getattr(owner, attr_name)
+ attr.set(vals[0])
+ attr.set(vals[1])
+ owner.save(self.db_conn)
+ for row in self.db_conn.row_where(owner.table_name, 'id', owner.id_):
+ retrieved = owner.__class__.from_table_row(self.db_conn, row)
+ attr = getattr(retrieved, attr_name)
+ self.assertEqual(sorted(attr.history.values()), vals)
+