import json

import pytest

from hass.memory import ConversationMemory


@pytest.mark.asyncio
async def test_memory_persist_roundtrip(tmp_path):
    path = tmp_path / "state.json"
    m = ConversationMemory(str(path))
    m.conversation_id = "abc"
    await m.save()

    raw = json.loads(path.read_text(encoding="utf-8"))
    assert raw["conversation_id"] == "abc"

    m2 = ConversationMemory(str(path))
    await m2.load()
    assert m2.conversation_id == "abc"