# workaround, to set default locale for ALL rspecs https://github.com/rspec/rspec-rails/issues/255

gistfile1.rb

class ActionView::TestCase::TestController
  def default_url_options(options={})
    logged_in = options[ :controller ] =~ /admin/ ? 'members' : nil
    { locale: I18n.default_locale, logged_in: logged_in }
  end
end

class ActionDispatch::Routing::RouteSet::NamedRouteCollection::UrlHelper
  def call(t, args)
    logged_in = @options[ :controller ] =~ /admin/ ? 'members' : nil
    t.url_for(handle_positional_args(t, args, { locale: I18n.default_locale, logged_in: logged_in }.merge( @options ), @segment_keys))
  end
end