module Excon::Test::Plugin::Server::Puma

def start(app_str = app, bind_uri = bind)
  open_process(RbConfig.ruby, '-S', 'puma', '-b', bind_uri.to_s, app_str)
  process_stderr = ""
  line = ''
  until line.include?('Use Ctrl-C to stop')
    line = read.gets
    raise process_stderr if line.nil?
    process_stderr << line
    fatal_time = elapsed_time > timeout
    raise 'puma server has taken too long to start' if fatal_time
  end
  true
end