Hapi.js and Lab asynchronous server testing

main.js

"use strict";

var Hapi = require('hapi');
var Joi = require('joi');
var database = require('./database');

exports.init = function (startListening, doneCallback) {
    var server = Hapi.createServer(nconf.get('listenIp'), nconf.get('port'), {
        cors: {
            origin: [
                nconf.get('htmlOrigin')
            ],
            credentials: true
        }
    });

    database.init(function (err) {
        if (err) {
            console.log('database error: ' + err);
            process.exit(1);
        }

        server.pack.register([
            /* plugins */
        ], function (err) {
            if (err) {
                doneCallback(err);
                return;
            }

            /* Setup routes here */

            if (startListening) {
                server.start(function () {
                    console.log('Server running at:', server.info.uri);
                    doneCallback(null, server);
                });
            } else {
                doneCallback(null, server);
            }
        });

    });
};

// Start server and listen if we're the root module
if (!module.parent) {
    exports.init(true, function (err) {
        if (err) {
            console.log(err);
        }
    });
}

test.js

"use strict";

var Code = require('code');
var Lab = require('lab');
var lab = exports.lab = Lab.script();

var describe = lab.describe;
var it = lab.it;
var before = lab.before;
var after = lab.after;
var expect = Code.expect;

var requirePath = '../../index';
var sut = require(requirePath);

describe('some tests', function () {
    var server;
    before(function (done) {
        sut.init(false, function (err, server_) {
            server = server_;
            done();
        });
    });
    it('a test', function (done) {
        console.log('we can use server here: ' + server);
        done();
    });
});