require "rack/handler/puma" module ActionDispatch module SystemTesting class Server # :nodoc: class << self attr_accessor :silence_puma end self.silence_puma = false def run register setup end private def register Capybara.register_server :rails_puma do |app, port, host| Rack::Handler::Puma.run( app, Port: port, Threads: "0:1", Silent: self.class.silence_puma ) end end def setup set_server set_port end def set_server Capybara.server = :rails_puma end def set_port Capybara.always_include_port = true end end end end