Contents

module Fix
  class Subject
    attr_reader :last_arg

    def initialize input, *args
      @args         = args
      @error        = nil
      @implemented  = true
      @last_arg     = -1

      begin
        @cache_value = params.inject input do |mem, param|
          @implemented  = mem.respond_to? param.first, false
          @last_arg     = @last_arg.next

          mem.__send__(*param)
        end

        @last_arg = @last_arg.next
      rescue => @error
      end
    end

    def actual
      if @error.nil?
        @cache_value.__send__(*challenge)
      else
        raise @error
      end
    end

    def params
      @args[0..-2]
    end

    def challenge
      @args.last
    end

    def implemented?
      @error.nil? && @implemented && @cache_value.respond_to?(challenge.first, false)
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
fix-0.6.1	lib/fix/subject.rb