service.rb

      def new(config = {})
        if config.respond_to?(:config_service?) && config.config_service?
          cleaned_settings = config
        else
          cleaned_settings = handle_settings(config)
        end
        setup_requirements

        svc = service
        if Fog.mocking?
          while svc != Fog::Service
            service::Real.send(:include, svc::Collections)
            svc = svc.superclass
          end
          service::Mock.new(cleaned_settings)
        else

          while svc != Fog::Service
            service::Real.send(:include, svc::Collections)
            svc = svc.superclass
          end
          service::Real.send(:include, service::NoLeakInspector)
          service::Real.new(cleaned_settings)
        end
      end