"""R6: 서킷브레이커 OPEN 경보 태스크 참조 보관."""
import asyncio
import pytest
from app.services import korea_investment_api as kia


@pytest.mark.asyncio
async def test_alert_task_held_and_released(monkeypatch):
    from app.services.telegram_notifier import telegram_notifier
    gate = asyncio.Event()

    async def fake(*a, **k):
        await gate.wait()

    monkeypatch.setattr(telegram_notifier, "notify_system_warning", fake)
    kia._breaker_alert_tasks.clear()
    cb = kia.CircuitBreaker(failure_threshold=1, recovery_timeout=1)
    kia._alert_breaker_open_v2(cb)
    assert len(kia._breaker_alert_tasks) == 1
    gate.set()
    await asyncio.sleep(0.05)
    assert len(kia._breaker_alert_tasks) == 0


@pytest.mark.asyncio
async def test_alert_task_exception_logged_not_raised(monkeypatch, caplog):
    from app.services.telegram_notifier import telegram_notifier

    async def boom(*a, **k):
        raise RuntimeError("tg down")

    monkeypatch.setattr(telegram_notifier, "notify_system_warning", boom)
    kia._breaker_alert_tasks.clear()
    cb = kia.CircuitBreaker(failure_threshold=1, recovery_timeout=1)
    kia._alert_breaker_open_v2(cb)
    await asyncio.sleep(0.05)
    assert not kia._breaker_alert_tasks
    assert "경보 태스크 실패" in caplog.text