Business
Jobs
  • About Us
  • Solutions
    • Job Postings
      Post your job and receive qualified candidates in 48h.
    • Candidate Assessments
      500+ technical and psychological tests, plus anti-fraud.
    • Headhunting
      Tailor-made executive search from start to finish.
    • Payroll + EOR
      Payroll dispersal and EOR across 15+ LATAM countries.
  • Pricing
  • Jobs

0

281
Views
Spy devuelve falso, pero puedo ver que ha sido llamado

tengo una función:

 export class Processor { public static async process(info) { return Promise.resolve('item processed'); } }
 import { Processor } from "./processor"; export const execute = (event, context) => { const records = event.Records; records.map(async (record) => { return await processRecord(record.body.info); }); async function processRecord(info) { try { console.log('before process'); await Processor.process(info); console.log('after process'); } catch (e) { throw new Error('Processing error'); } } };

Entonces tengo una prueba:

 import { execute } from "./execute"; import { Processor } from "./processor"; jest.mock("./Processor"); const mockProcessor = jest.mocked(Processor, false); describe("Execute", () => { it("should process info", () => { const processSpy = jest.spyOn(mockProcessor, "process").mockResolvedValueOnce("test-return"); const result = await execute({Records: [{body: {info: "test-info"}}]}, {}); expect(processSpy).toHaveBeenCalled(); }); });

La prueba falla en el espía de procesos, aunque se muestran los registros "antes del proceso" y "después del proceso". ¿Dónde cometí un error?

about 4 years ago · Juan Pablo Isaza
1 answers
Answer question

0

No necesita usar jest.mock('./Processor') , use jest.spyOn(Processor, 'process') es suficiente.

 import { execute } from './execute'; import { Processor } from './processor'; describe('Execute', () => { it('should process info', async () => { const processSpy = jest.spyOn(Processor, 'process').mockResolvedValueOnce('test-return'); await execute({ Records: [{ body: { info: 'test-info' } }] }, {}); expect(processSpy).toHaveBeenCalled(); }); });
about 4 years ago · Juan Pablo Isaza Report
Answer question
Find remote jobs

Discover the new way to find a job!

Top jobs
Top job categories
Business
Post vacancy Pricing Sales
Legal
Terms and conditions Privacy policy
© 2026 PeakU Inc. All Rights Reserved.
Andres GPT
Show me some job opportunities
There's an error!