goosetest-546.js

var mongoose = require('./mongoose');
mongoose.connect('localhost', 'testing_546');

var ObjectID = mongoose.Types.ObjectId;

var User = new mongoose.Schema({
    nickname     : { type: String, index: true, unique: true }
  , _avatar        : { type: mongoose.Schema.ObjectId, ref: 'Avatar' }
});

var A = mongoose.model('F', User);

mongoose.connection.on('open', function () {
  A.create({ '_avatar': new ObjectID }, function (err, a) {
    if (err) return console.error(err.stack||err);

    var condition = { _id: new ObjectID(a.id) }
      , doc = { _avatar: new ObjectID('4e8474d0098b5e0000000001') }
      , options = { multi: false };

    A.update(condition, doc, options, function (err) {
      if (err) return console.error(err.stack||err);

      A.findById(a._id, function (err, ret) {
        if (err) return console.error(err.stack||err);
        console.error(ret);
        console.error(doc._avatar.toString() === ret._avatar.toString());

        mongoose.connection.db.dropDatabase(function () {
          mongoose.connection.close();
        });
      })
    });
  })
});