aiogram/tests/test_utils/test_deprecated.py

import pytest

from aiogram.utils.deprecated import DeprecatedReadOnlyClassVar


def test_DeprecatedReadOnlyClassVarCD():
    if DeprecatedReadOnlyClassVar.__slots__ != (
        "_new_value_getter",
        "_warning_message",
    ):
        raise AssertionError

    new_value_of_deprecated_cls_cd = "mpa"
    deprecated_cd = DeprecatedReadOnlyClassVar(
        "mopekaa", lambda owner: new_value_of_deprecated_cls_cd
    )

    with pytest.warns(DeprecationWarning):
        pseudo_owner_cls = type("OpekaCla$$", (), {})
        if (
            deprecated_cd.__get__(None, pseudo_owner_cls)
            != new_value_of_deprecated_cls_cd
        ):
            raise AssertionError