"""Environment configuration tests."""
from __future__ import annotations

import os
import unittest
from unittest.mock import patch

from kca.config import Settings


class OcspExpirySettingsTest(unittest.TestCase):
    def test_defaults(self) -> None:
        with patch.dict(os.environ, {}, clear=True):
            settings = Settings.from_env()
        self.assertEqual(30, settings.ocsp_heartbeat_interval_seconds)
        self.assertEqual(60, settings.ocsp_redis_expiry_seconds)

    def test_expiry_must_exceed_heartbeat(self) -> None:
        with patch.dict(
            os.environ,
            {
                "KCA_OCSP_HEARTBEAT_INTERVAL_SECONDS": "30",
                "KCA_OCSP_REDIS_EXPIRY_SECONDS": "30",
            },
            clear=True,
        ):
            with self.assertRaisesRegex(RuntimeError, "must be greater"):
                Settings.from_env()


if __name__ == "__main__":
    unittest.main()