gistfile1.rb

module RR::Adapters::RRMethods
  def lazy(expected)
    RR::WildcardMatchers::LazyMatcher.new(expected)
  end
end

module RR::WildcardMatchers
  class LazyMatcher
    def initialize(value)
      @value = value
    end

    def ==(other)
      if @value.is_a?(Hash)
        @value.keys.each {|key| @value[key] = @value[key].call if @value[key].is_a?(Proc) }
      elsif @value.is_a?(Array)
        @value.map! {|v| v.is_a?(Proc) ? v.call : v }
      elsif @value.is_a?(Proc)
        @value = @value.call
      end
        
      @value == other
    end

    def inspect
      @value.inspect
    end
  end
end