module ActionDispatch::TestProcess

def assigns(key = nil)
  raise NoMethodError,
    'assigns has been extracted to a gem. To continue using it,
    add `gem "rails-controller-testing"` to your Gemfile.'
end

def cookies
  @cookie_jar ||= Cookies::CookieJar.build(@request, @request.cookies)
end

def flash
  @request.flash
end

def redirect_to_url
  @response.redirect_url
end

def session
  @request.session
end