from __future__ import annotations

from yuxi.channel.domain.middleware.middleware import Middleware, CallNext
from yuxi.channel.domain.service.message_context import MessageContext


def test_middleware_is_protocol() -> None:
    assert hasattr(Middleware, "name")
    assert hasattr(Middleware, "process")


class _FakeMiddleware:
    @property
    def name(self) -> str:
        return "fake"

    async def process(self, ctx: MessageContext, call_next: CallNext) -> MessageContext:
        return await call_next(ctx)


def test_fake_middleware_is_instance() -> None:
    obj = _FakeMiddleware()
    assert isinstance(obj, Middleware)