module Webrat
  module Selenium

    class SinatraApplicationServer < ApplicationServer

      def start
        fork do
          File.open('rack.pid', 'w') { |fp| fp.write Process.pid }
          exec 'rackup', File.expand_path(Dir.pwd + '/config.ru'), '-p', Webrat.configuration.application_port.to_s
        end
      end

      def stop
        silence_stream(STDOUT) do
          pid = File.read(pid_file)
          system("kill -9 #{pid}")
          FileUtils.rm_f pid_file
        end
      end

      def fail
        $stderr.puts
        $stderr.puts
        $stderr.puts "==> Failed to boot the Sinatra application server... exiting!"
        exit
      end

      def pid_file
        prepare_pid_file(Dir.pwd, 'rack.pid')
      end

    end

  end
end