spec_helper.rbで簡易サーバー実装

spec_helper.rb

require 'webrick'

def server_start res_codes
    _res_codes = res_codes.dup
    server_thread = Thread.new do
      server = WEBrick::HTTPServer.new(
        Port: 10080,
        Logger: WEBrick::Log.new('/dev/null'),
        AccessLog: [],
        StartCallback: Proc.new { Thread.main.wakeup }
      )
      server.mount_proc('/') { |req, res| res.status = _res_codes.shift || 200 }
      Thread.current[:server] = server
      server.start
    end
    Thread.stop
    yield
    server_thread[:server].shutdown
end