node.js - How to make work below code using mock data

Question

How to convert below code with mock data? Below is the testing code of NodeJs post call api.

const request = require('supertest')
const app = require('../server')
describe('Post Endpoints', () => {
  it('should create a new post', async () => {
    const res = await request(app)
      .post('/api/posts')
      .send({
        userId: 1,
        title: 'test is cool',
      })
    expect(res.statusCode).toEqual(201)
    expect(res.body).toHaveProperty('post')
  })
})

question from:https://stackoverflow.com/questions/65931154/how-to-make-work-below-code-using-mock-data

Answer 1

Waitting for answers