require 'rails_helper' RSpec.describe FetchLinkCardService do before do stub_request(:get, 'http://example.xn--fiqs8s/').to_return(request_fixture('idn.txt')) end it 'works with IDN URLs' do status = Fabricate(:status, text: 'Check out http://example.中国') FetchLinkCardService.new.call(status) expect(a_request(:get, 'http://example.xn--fiqs8s/')).to have_been_made end end