# File lib/couch_potato/view/model_view_spec.rb, line 100
        def formatted_key(_key = nil)
          _key ||= @options[:key]
          if _key.is_a? Array
            '[' + _key.map{|key_part| formatted_key(key_part)}.join(', ') + ']'
          else
            "doc['#{_key}']"
          end
        end