import tempfile
from unittest.mock import patch

from app.redis_service import RedisSupervisor


def test_redis_uses_aof_everysec_and_rdb_snapshot():
    with tempfile.TemporaryDirectory() as td:
        supervisor = RedisSupervisor(True, td, port=6380, snapshot_seconds=900, aof=True)
        supervisor.executable = "/usr/bin/redis-server"
        with patch("app.redis_service.subprocess.Popen") as popen:
            process = popen.return_value
            process.poll.return_value = None
            process.pid = 123
            supervisor._spawn()
            cmd = popen.call_args.args[0]
        assert cmd[cmd.index("--appendonly") + 1] == "yes"
        assert cmd[cmd.index("--appendfsync") + 1] == "everysec"
        assert cmd[cmd.index("--save") + 1:cmd.index("--save") + 3] == ["900", "100"]
        assert cmd[cmd.index("--dir") + 1] == td
        assert cmd[cmd.index("--maxmemory") + 1] == "0"
        assert cmd[cmd.index("--maxmemory-policy") + 1] == "noeviction"


def test_redis_status_exposes_runtime_details_for_system_ui():
    with tempfile.TemporaryDirectory() as td:
        supervisor = RedisSupervisor(True, td, port=6381, snapshot_seconds=1200, aof=True)
        supervisor.executable = "/usr/bin/redis-server"
        status = supervisor.status()
        assert status["managed"] is True
        assert status["port"] == 6381
        assert status["data_dir"] == td
        assert status["snapshot_seconds"] == 1200
        assert status["persistence"] == "AOF everysec + RDB"