from __future__ import annotations

from yuxi.channel.domain.middleware.configurable import Configurable


def test_configurable_is_protocol() -> None:
    assert hasattr(Configurable, "on_config_updated")


class _FakeConfigurable:
    def on_config_updated(self, config: dict) -> list[str]:
        return ["updated"]


def test_fake_configurable_is_instance() -> None:
    obj = _FakeConfigurable()
    assert isinstance(obj, Configurable)