var request = require('supertest'); var app = require('../index.js'); const net = require('net') const assert = require('assert') describe("GET /", () => { it('respond with Hello World', () => { request(app).get("/").expect('Hello World'); // console.log("Res=", res); }); }); describe("GET /ip", () => { it('respond a valid ip address', (done) => { request(app).get("/ip") .set('Accept', 'application/json') .expect('Content-Type', /json/) .expect(200, done); //expect(assert.strictEqual(net.isIPv4("127.0.0.1"), true)); }); });