Example of using async module to setup before hook eloquently for mocha.js tests

index.js

"use strict";

var expect = require("expect.js");
var async = require("async");
var superagent = require("superagent");
var api = require("../lib/api");
var serverFactory = require("./helpers/server").init;
var Orm = require("@bjones6/hs-models");

var databaseSettings = { // this is running unexposed on localhost don't get excited
    "database": "circle_test",
    "username": "ubuntu",
    "password": "password",
    "dialect": "postgres",
    "logging": false
};

describe("Basic usage", function(){
    var models;
    var server;

    before(function(done){
        // set to outer scope the result of two asynchronous actions
        async.parallel({
            models: function(cb){
                // Initialize the ORM / database connection
                models = Orm(databaseSettings).models;
                models.sequelize.sync()
                    .then(function(){
                        cb(null, models);
                    })
                    .catch(function(err){
                        cb(err);
                    });
            },

            server: function(cb){
                // start up a basic test server with our api
                serverFactory(api, cb);
            }

        }, function(err, response){
            expect(err).to.eql(null);
            models = response.models;
            server = response.server;
            done();
        });
    });

    it('has successfully utilized to @bjones6/hs-models library and synced the database models', function(done){
        expect(models).to.have.keys(['User', 'Account', 'FacebookProfile', 'ContactProfile', 'Connection']);
        done();
    });

    it('has successfully started up a server instance with our modules API', function(done){
        // ping our API's ping route
        superagent.get("localhost:4200/ping")
            .end(function(e, res){
                expect(res.status).to.eql(200);
                done();
            });
    });
});