ruby
require "spec_helper"

describe ActiveSupport::Cache do

  let(:cache) do
    ActiveSupport::Cache::MemoryStore.new
  end

  describe "#fetch" do

    let!(:person) do
      Person.new
    end

    let!(:account) do
      person.create_account(name: "savings")
    end

    it "stores the parent object" do
      cache.fetch "key" do
        person
      end.should eq person
      cache.fetch "key" do
      end.should eq person
    end

    it "stores the embedded object" do
      cache.fetch "key" do
        account
      end.should eq account
      cache.fetch "key" do
      end.should eq account
    end

  end
end

ActiveSupport::Cache
  #fetch
    stores the parent object (FAILED - 1)
    stores the embedded object (FAILED - 2)

Failures:

  1) ActiveSupport::Cache#fetch stores the parent object
     Failure/Error: cache.fetch "key" do
     TypeError:
       no _dump_data is defined for class Proc
     # ./spec/mongoid/cache_spec.rb:20:in `block (3 levels) in <top (required)>'

  2) ActiveSupport::Cache#fetch stores the embedded object
     Failure/Error: cache.fetch "key" do
     TypeError:
       no _dump_data is defined for class Proc
     # ./spec/mongoid/cache_spec.rb:28:in `block (3 levels) in <top (required)>'