text: 
  // import async to make control flow simplier
  var async = require('async');
  
  // import the rest of the normal stuff
  var mongoose = require('../../lib');
  
  require('./person.js')();
  
  var Person = mongoose.model('Person');
  
  // define some dummy data
  var data = [
    { name : 'bill', age : 25, birthday : new Date().setFullYear((new
      Date().getFullYear() - 25)) },
    { name : 'mary', age : 30, birthday : new Date().setFullYear((new
      Date().getFullYear() - 30)) },
    { name : 'bob', age : 21, birthday : new Date().setFullYear((new
      Date().getFullYear() - 21)) },
    { name : 'lilly', age : 26, birthday : new Date().setFullYear((new
      Date().getFullYear() - 26)) },
    { name : 'alucard', age : 1000, birthday : new Date().setFullYear((new
      Date().getFullYear() - 1000)) }
  ];
  
  
  mongoose.connect('mongodb://localhost/persons', function(err) {
    if (err) throw err;
  
    // create all of the dummy people
    async.each(data, function(item, cb) {
        Person.create(item, cb);
      }, function(err) {
        if (err) {
          // handle error
        }
  
        // create a promise (get one from the query builder)
        var prom = Person.find({age : { $lt : 1000 }}).exec();
  
        // add a callback on the promise. This will be called on both error and
        // complete
        prom.addBack(function() { console.log("completed"); });
  
        // add a callback that is only called on complete (success) events
        prom.addCallback(function() { console.log("Successful Completion!"); });
  
        // add a callback that is only called on err (rejected) events
        prom.addErrback(function() { console.log("Fail Boat"); });
  
        // you can chain things just like in the promise/A+ spec
        // note: each then() is returning a new promise, so the above methods
        // that we defined will all fire after the initial promise is fulfilled
        prom.then(function(people) {
  
          // just getting the stuff for the next query
          var ids = people.map(function(p) {
            return p._id;
          });
  
          // return the next promise
          return Person.find({ _id : { $nin : ids }}).exec();
        }).then(function(oldest) {
          console.log("Oldest person is: %s", oldest);
        }).then(cleanup);
      });
  });
  
  function cleanup() {
    Person.remove(function() {
      mongoose.disconnect();
    });
  }
  