import json

from app.modules.notifier import append_json_event


def test_append_json_event_writes_jsonl(tmp_path):
    output = tmp_path / "logs" / "events.jsonl"

    append_json_event(output, {"event": "long_stay_alert", "count": 5})
    append_json_event(output, {"event": "half_hour_report", "count": 3})

    lines = output.read_text(encoding="utf-8").splitlines()

    assert json.loads(lines[0]) == {"event": "long_stay_alert", "count": 5}
    assert json.loads(lines[1]) == {"event": "half_hour_report", "count": 3}