import json import logging from app.logs_setup import JsonFormatter def test_json_formatter_one_object_per_line() -> None: record = logging.LogRecord("tgit", logging.INFO, __file__, 1, "hello %s", ("мир",), None) entry = json.loads(JsonFormatter().format(record)) assert entry["msg"] == "hello мир" assert entry["level"] == "INFO" assert entry["logger"] == "tgit"