require "test_helper" module AccountableResourceInterfaceTest extend ActiveSupport::Testing::Declarative test "shows new form" do Family.any_instance.stubs(:get_link_token).returns("test-link-token") get new_polymorphic_url(@account.accountable) assert_response :success end test "shows edit form" do get edit_account_url(@account) assert_response :success end test "update saves currency change" do @account.update!(currency: "USD") patch send("#{@account.accountable_type.underscore}_path", @account), params: { account: { name: @account.name, currency: "EUR" } } @account.reload assert_equal "EUR", @account.currency end end