Closed
Description
Bug report
Bug description:
from dataclasses import dataclass
from unittest.mock import create_autospec
@dataclass
class Description:
name: str
mock = create_autospec(Description, instance=True)
print(isinstance(mock, Description))
# 3.13.3
True
# 3.14.0b2
False
Furthermore the resulting mock doesn't have attributes present on a dataclass instance, like __annotations__
, __class__
, __dataclass_fields__
, __dataclass_params__
.
print(dir(mock))
print(dir(Description("Hello World"))
Likely related to #124429. /CC @sobolevn
CPython versions tested on:
3.14
Operating systems tested on:
macOS