import contextlib
from collections.abc import Iterator
from typing import Any
from unittest import mock

from email_campaigns.config import settings


@contextlib.contextmanager
def override_settings(**kwargs: Any) -> Iterator[None]:
    new_settings = settings.model_copy(update=kwargs)
    with (
        mock.patch("email_campaigns.config.settings.__wrapped__", new_settings),
    ):
        yield