gistfile1.txt

describe OffersController do
  def do_create
    post :create, { :post_id => bb_request.id, :offer => new_offer.attributes }
  end
  
  shared_examples "an access controlled action" do |action_proc|
    it "denies access if the post is not verified" do
      expect(&action_proc).to raise_error(CanCan::AccessDenied)
    end
  end
  
  describe "#create" do
    it_behaves_like "an access controlled action", proc { do_create }
  end
  
end

...

  Failure/Error: expect(&action_proc).to raise_error(CanCan::AccessDenied)
    expected CanCan::AccessDenied, got #<NameError: undefined local variable or method `do_create' for RSpec::Core::ExampleGroup::Nested_1::Nested_2:Class>