session_spec.rb

require 'spec_helper'

describe "Session" do
  describe "GET /auth/facebook and /session/create (same as /auth/facebook/callback)" do
    it "triggers callback, creates Bob and redirects to root" do
      expect do
        get '/auth/facebook'
      end.to change(User, :count).by(1) && change(Login, :count).by(1)

      response.status.should be(200)
      #response.should redirect_to root_path
    end
  end
end