gistfile1.rb

require 'mongoid'
require 'rspec'

Mongoid.configure do |config|
  config.master = Mongo::Connection.new.db('testing')
  config.autocreate_indexes = true
end

class TaskGroupWorker
  include Mongoid::Document
  embedded_in :task_group, :inverse_of => :task_group_workers
end

class TaskGroup
  include Mongoid::Document
  embeds_many :task_group_workers
  collection.remove
end

task_group = TaskGroup.create

worker = TaskGroupWorker.new
task_group.task_group_workers << worker
worker.save
task_group.save

TaskGroup.first.task_group_workers.size.should == 1

require 'mongoid'
require 'rspec'

Mongoid.configure do |config|
config.master = Mongo::Connection.new.db('testing')
config.autocreate_indexes = true
end

class TaskGroupWorker
include Mongoid::Document
embedded_in :task_group, :inverse_of => :task_group_workers
end

class TaskGroup
include Mongoid::Document
embeds_many :task_group_workers
collection.remove
end

task_group = TaskGroup.create

worker = TaskGroupWorker.new
task_group.task_group_workers << worker
worker.save
task_group.save

TaskGroup.first.task_group_workers.size.should == 1
TaskGroupWorker.count.should ==1