Mocked Time Out

timeout.js

var nock = require('nock');
var request = require('supertest')("http://api.postcodes.io");
var expect = require('chai').expect;


describe("Testing API with a mocked backend", function () {

  it("returns a successful mocked response", function (done) {
    
    //override the mocha timeout in this test to 60 seconds
    this.timeout(60000);
          
    //setup mocked backend for a specific end point
    nock("http://api.postcodes.io")
      .get('/postcodes/')
      //simulate a 10 second delay
      .delayBody(10000)
      .reply(200, {
        "status": 200,
        "message": "This simulates a 10 second delay"
      });
    
    //perform the request to the api which will now be intercepted by nock
    request
      .get('/postcodes/')
      .end(function (err, res) {
        expect(res.body.status).to.equal(200);
        expect(res.body.message).to.equal("This simulates a 10 second delay");
        done();
      });
  })
});