"""R4: 분석(ML 추론 포함)이 이벤트 루프 스레드에서 실행되지 않아야 한다."""
import asyncio
import threading
import time
import pytest

from app.services import market_analyzer as ma


@pytest.mark.asyncio
async def test_analyze_runs_off_loop_thread(monkeypatch):
    main_tid = threading.get_ident()
    seen = {}

    def fake(chart_data, code, name, criteria, ml_chart_data=None):
        seen["tid"] = threading.get_ident()
        return "OK"

    monkeypatch.setattr(ma, "_analyze_chart_items_v2", fake)
    res = await ma.analyze_stock_for_batch_db([{"a": 1}], "005930", "삼성")
    assert res == "OK"
    assert seen["tid"] != main_tid


@pytest.mark.asyncio
async def test_loop_not_blocked_during_analysis(monkeypatch):
    def slow(*a, **k):
        time.sleep(0.3)
        return None

    monkeypatch.setattr(ma, "_analyze_chart_items_v2", slow)
    ticks = 0

    async def ticker():
        nonlocal ticks
        while True:
            await asyncio.sleep(0.02)
            ticks += 1

    t = asyncio.create_task(ticker())
    await ma.analyze_stock_for_batch_db([{"a": 1}], "005930", "삼성")
    t.cancel()
    assert ticks >= 5