from fastapi import FastAPI from fastapi.responses import ORJSONResponse from fastapi.testclient import TestClient from sqlalchemy.sql.elements import quoted_name app = FastAPI(default_response_class=ORJSONResponse) @app.get("/orjson_non_str_keys") def get_orjson_non_str_keys(): key = quoted_name(value="msg", quote=False) return {key: "Hello World", 1: 1} client = TestClient(app) def test_orjson_non_str_keys(): with client: response = client.get("/orjson_non_str_keys") assert response.json() == {"msg": "Hello World", "1": 1}