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El punto final de la API ExpressJS promete expirar con las pruebas unitarias de Sinon

Estoy tratando de probar algunos puntos finales de API sin tocar la base de datos (sucede cuando se usa supertest). Así que estoy tratando de bloquear/falsificar las rutas y simplemente forzar un retorno. El otro problema es que si quisiera burlarme de los métodos internos que están en las rutas, también tengo problemas para hacerlo.

La API está estructurada así:

controlador.js

 export const route = "/named-route"; export const controller = new Router(); controller.get("/:id", async (req, res, next) => { try { const post = await getPost(req); res.status(200).json(post); } catch (err) { next(err); } });

enrutador.js

 import { controller as myController, route as myRoute } from "./controller.js"; router.use(myRoute, myController); const router = Router(); export default router;

aplicación.js

 import router from "./router.js"; const app = express(); app.use(router); export default app;

Mis intentos de prueba

 import { expect } from "chai"; import sinon from "sinon"; import request from "supertest"; import app from "./app.js"; import { controller } from "./controller.js"; describe("my controller", function () { describe("GET", function () { it("tries to get a post", async function () { // attempt 1 -- times out const controllerStub = sinon.stub(controller, "get").resolves({..json}); await request(controllerStub) .get("/named-route") .then(async (res) => { sinon.assert.match(res.body.statusCode, 200); }); // attempt 2 -- times out const controllerStub = sinon.stub(controller, "get").callsFake( async () => new Promise((resolve) => { resolve({statusCode: 200}) }); ); // same test call as above // works but hits actual DB, problematic for POST type requests const response = await request(app) .get("/named-route"); expect(response.statusCode).to.equal(200); }); }); });
about 4 years ago · Santiago Trujillo
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