# File lib/capybara/server.rb, line 46 def responsive? res = Net::HTTP.start(host, @port) { |http| http.get('/__identify__') } if res.is_a?(Net::HTTPSuccess) or res.is_a?(Net::HTTPRedirection) return res.body == @app.object_id.to_s end rescue Errno::ECONNREFUSED, Errno::EBADF return false end