require "spec_helper"

class Exhibitor
  include Mongoid::Document
  has_and_belongs_to_many :artworks
end

class Artwork
  include Mongoid::Document
  has_and_belongs_to_many :exhibitors
end
      
describe "Test" do

  before do
    [ Exhibitor, Artwork ].each(&:delete_all)
  end
  
  describe "works" do
  
    it "sometimes" do
      exhibitor = Exhibitor.create!
      artwork = Artwork.create!
      exhibitor.artworks = [ artwork ]
      exhibitor.save!
      exhibitor.artworks.count.should == 1
      
      exhibitor = Exhibitor.find(exhibitor.id)
      exhibitor.artworks.count.should == 1
      exhibitor.artworks = [] # assigning to nil here works, maybe acceptable workaround for now
      exhibitor.save!
      Exhibitor.find(exhibitor.id).artworks.count.should == 0 # returns 1
    end
    
  end
  
end