import pytest

from app.models.entities import Conversation, UserAccount
from app.services.conversations import ConversationService


@pytest.mark.asyncio
async def test_delete_conversation_rejects_conversation_owned_by_another_user() -> None:
    service = object.__new__(ConversationService)

    class Repository:
        async def get_for_user(self, conversation_id, user_id):
            return None

    service.repository = Repository()
    service.session = object()
    with pytest.raises(Exception) as exc_info:
        await service.delete(10, UserAccount(id=2, emp_no="u2", name="用户", role="user"))
    assert getattr(exc_info.value, "status_code", None) == 404