Faking a server using Nock

fakeServer.js

// npm install those first
const nock = require("nock");
const axios = require("axios");

nock("http://www.example.com")
  .post("/items")
  .reply(201, "user created");

axios
  .post("http://www.example.com/items", {
    name: "smith",
    id: 11
  })
  .then(result => {
    console.log("result>>>", result);
  })
  .catch(err => {
    console.log("err>>>", err);
  });