import json
import logging
import unittest

from backend.app.logging_config import JsonLogFormatter, RequestContextFilter, bind_request_id, reset_request_id


class JsonLoggingTests(unittest.TestCase):
    def test_json_formatter_includes_request_context(self) -> None:
        token = bind_request_id("request-123")
        try:
            record = logging.LogRecord("magent.test", logging.INFO, __file__, 1, "hello %s", ("world",), None)
            RequestContextFilter().filter(record)
            payload = json.loads(JsonLogFormatter().format(record))
        finally:
            reset_request_id(token)

        self.assertEqual(payload["level"], "INFO")
        self.assertEqual(payload["logger"], "magent.test")
        self.assertEqual(payload["request_id"], "request-123")
        self.assertEqual(payload["message"], "hello world")


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