Jouby

String package(String input) {
  var output = '';
  var currentPackageWeight = 0;

  for (var rune in input.runes) {
    var character = String.fromCharCode(rune);
    var currentValue = int.parse(character);

    if (currentPackageWeight + currentValue > 10) {
      output += '/';

Jouby

import 'package:i18n_omatic/i18n_omatic.dart';
import 'package:mockito/mockito.dart';

class MockI18nOMatic extends Mock implements I18nOMatic {}

class MockSetUp {
  static void mockI18nOMatic() {
    I18nOMatic.instance = MockI18nOMatic();
    when(I18nOMatic.instance.tr(any, any)).thenAnswer((realInvocation) {
      var strTranslated = realInvocation.positionalArguments[0].toString();