from unittest.mock import AsyncMock, MagicMock
import pytest
from yuxi.channel.plugins.protocol import ChannelPlugin

@pytest.mark.asyncio
async def test_spec_mock_isinstance():
    from yuxi.channel.ports import InboundPort, TransportPort
    plugin = MagicMock(spec=ChannelPlugin)
    print("spec plugin isinstance InboundPort:", isinstance(plugin, InboundPort))
    print("spec plugin isinstance TransportPort:", isinstance(plugin, TransportPort))
    assert isinstance(plugin, InboundPort)
    assert isinstance(plugin, TransportPort)