More verbose "connection refused" errors when doing REST with RestClient

rest-requests.spec.rb

  context "REST requests" do
    use_vcr_cassette "connection_refused_error", :record => :all
    message = "Connection refused - when attempting request: POST http://localhost:80 with headers:  and payload: payload"
    
    it "should tell me what happened when it was a refused connection" do
      lambda {
        RestClient.post("http://localhost:80", 'payload')
      }.should raise_error(Errno::ECONNREFUSED, message)
    end
  end

rest.rb

require 'rest_client'

RestClient::Request.class_eval do
  def self.execute(args, & block)
    begin
      new(args).execute(& block)
    rescue Errno::ECONNREFUSED => e
      $stderr.puts e.message  
      $stderr.puts e.backtrace.inspect  
      $stderr.puts args.inspect
      
      message = "when attempting request: #{args[:method].to_s.upcase} #{args[:url]} with headers: #{args[:headers]} and payload: #{args[:payload]}"
      raise Errno::ECONNREFUSED, message
    end
  end
end