method missing override

cached_event.rb

  # this give us activerecord like commands for events, also extend the object with the respective methods
  #
  # example
  #
  # @cachedevent.reservations return all reservations in a hash
  # {"15"=>#<BSON::OrderedHash:0x-2581ca5a {values}}
  #
  # also extends the object with
  #
  # @cachedevent.reservations.extend(ReportAgregator::Reservations)
  #
  def method_missing(sym, *args, &block)
    if self.class.eql?(BSON::OrderedHash) and self.keys.include?(sym.to_s)
      object = {} 
      self[sym.to_s].each do |obj|
        object[obj.keys.first] = obj.values.first
      end
      begin
        object.extend("ReportAgregator::#{sym.to_s.capitalize}".constantize)
      rescue
      end
    end
    return object unless object.nil?
    super(sym, *args, &block)
  end

  module Reservations
    def total_reservations_sat
      self.reject {|key,value| t['checked_in'] != true }.size
    end

    def method_missing(sym, *args, &block)
      if self.class.eql?(BSON::OrderedHash || Hash) and self.keys.include?(sym.to_s)
        object = {} 
        self[sym.to_s].each do |obj|
          object[obj.keys.first] = obj.values.first
        end
      end
      super(sym, *args, &block)
    end
  end

cached_event_test.rb

require File.dirname(__FILE__) + '/../test_helper'

module ReportAgregator
  module Reservations
    def test_method
    end
  end
end

class CachedEventWithModule < Test::Unit::TestCase 

  def setup
    CachedEvent.destroy_all
    
    @account = Factory.create(:account)
    @venue = Factory.create(:venue, :accounts => [@account])
    @event = Factory.create(:event, :venues => [@venue], :open => Date.today + 7.days)
    @reservation = Factory.create(:reservation, :event => @event)
    @cached_event = CachedEvent.last
  end

  def test_return_values_if_key_exists_and_extend_with_module_if_exists
    @cached_event.extend(ReportAgregator)
    reservations = @cached_event.reservations
    assert_equal 1, reservations.count
    assert_equal true, reservations.respond_to?('test_method')
  end

  def test_returns_values_if_key_exists_and_dont_extend_with_module
    @cached_event.extend(ReportAgregator)
    guests = @cached_event.guests
    assert_equal 0, guests.count
    assert_equal false, guests.respond_to?('test_method')
  end

  def test_return_nomethoderror_if_key_dont_exists
    @cached_event.extend(ReportAgregator)
    exception = assert_raise(NoMethodError) do 
      @cached_event.nomethod
    end
    assert_match(/undefined method `nomethod'/, exception.message)
  end
end