aiogram/tests/test_utils/test_deprecated.py

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import pytest
from aiogram.utils.deprecated import DeprecatedReadOnlyClassVar
def test_DeprecatedReadOnlyClassVarCD():
assert DeprecatedReadOnlyClassVar.__slots__ == ("_new_value_getter", "_warning_message")
new_value_of_deprecated_cls_cd = "mpa"
pseudo_owner_cls = type("OpekaCla$$", (), {})
deprecated_cd = DeprecatedReadOnlyClassVar("mopekaa", lambda owner: new_value_of_deprecated_cls_cd)
with pytest.warns(DeprecationWarning):
assert deprecated_cd.__get__(None, pseudo_owner_cls) == new_value_of_deprecated_cls_cd