# File spec/spider/spider_instance_spec.rb, line 393
  def it_should_prevent_cycles_with(cacher)
    u = 'http://localhost:8888/'
    u_p = URI.parse(u)
    u2 = 'http://localhost:8888/foo'
    u_p2 = URI.parse(u2)

    with_web_server(LoopingServlet) do
      si = SpiderInstance.new(nil => [u])
      si.check_already_seen_with cacher
      si.start!
    end
  end