Sails socket testing also courtesy of xdissent @ #sailsjs

gistfile1.txt

// In Sails app install test dependencies:
// $ npm install mocha supertest sails-memory --save-dev

// Create some tests in `test` folder in the app.
// Run `mocha`

var request = require('supertest'),
  assert = require('assert'),
  sails = require('sails'),
  io = require('sails/node_modules/socket.io/node_modules/socket.io-client');

function connect (res) {
  var cookie = res.headers['set-cookie'] ? encodeURIComponent(res.headers['set-cookie'][0]) : '';
  return io.connect('http://' + res.req._headers.host + '?cookie=' + cookie);
}

describe('app', function () {

  before(function (done) {
    sails.lift({
      port: 0,
      host: 'localhost',
      adapters: {'default': 'memory'}
    }, function (err) {
      if (err) return done(err);
      sails.models.foo.createEach([
        {name: 'one'},
        {name: 'two'},
        {name: 'three'}
      ], done);
    });
  });

  after(function (done) {
    sails.lower(done);
  });

  describe('home', function () {

    it('should show the home page', function (done) {
      request(sails.express.server)
        .get('/')
        .expect(200, /Sails/, done);
    });

  });


  describe('foo controller', function () {

    it('should return all foo models', function (done) {
      request(sails.express.server)
        .get('/foo')
        .expect('Content-Type', /json/)
        .expect(200, function (err, res) {
          if (err) return done(err);
          assert.equal(res.body.length, 3);
          done();
        });
    });

  });

  describe('sockets', function () {

    it('should connect a socket if a session exists', function (done) {
      request(sails.express.server)
        .get('/')
        .expect(200)
        .end(function (err, res) {
          if (err) return done(err);
          var socket = connect(res);
          socket.on('error', done);
          socket.on('connect', function () {
            socket.disconnect()
            done();
          });
        });
    });

  });
});