unit with mocha & chai.

gistfile1.txt

process.env.NODE_ENV = 'test';

let chai = require('chai');
let chaiHttp = require('chai-http');
let server = require('../app');
let should = chai.should();

chai.use(chaiHttp);

describe('Server', () => {

  describe('/GET ', () => {
    it('it should load main page', (done) => {
      chai.request(server)
        .get('/')
        .end((err, res) => {
          res.should.have.status(200);
          done();
        });
    });
  });

  describe('/GET ', () => {
    it('it should load url /foo/bar', (done) => {
      chai.request(server)
        .get('/foo/bar')
        .end((err, res) => {
          res.should.have.status(404);
          done();
        });
    });
  });

});