renuo/ngx-renuo-upload

import { I18n } from './i18n';

describe('I18n', () => {
  describe('t', () => {
    it('translates a simple value', () => {
      expect(I18n.t.home.demo).toEqual('Demo');
    });
  });

  describe('tFromString', () => {
    it('translates a valid value', () => {
      expect(I18n.tFromString('home.demo')).toEqual('Demo');
    });
  });

  describe('interpolate', () => {
    it('replaces passed params', () => {
      expect(I18n.interpolate('Translation with {{param}} and {{param2}} and {{param}}', {param: 'key', param2: 'key2'}))
        .toEqual('Translation with key and key2 and key');
    });

    it('ignores extra params', () => {
      expect(I18n.interpolate('Translation with no placeholder', {param: 'key'}))
        .toEqual('Translation with no placeholder');
    });

    it('does not replace missing params with an empty string but leaves the placeholder', () => {
      expect(I18n.interpolate('Translation with {{missing}}', {})).toEqual('Translation with {{missing}}');
    });
  });

  describe('pluralize', () => {
    const translationParent = {one: 'You have one translation', other: 'You have {{count}} translations'};

    it('returns other-key of translation parent if length is 0', () => {
      expect(I18n.pluralize(translationParent, 0)).toEqual('You have 0 translations');
      expect(I18n.pluralize(translationParent, 2)).toEqual('You have 2 translations');
      expect(I18n.pluralize(translationParent, 3)).toEqual('You have 3 translations');
    });

    it('returns one-key of translation parent if length is 1', () => {
      expect(I18n.pluralize(translationParent, 1)).toEqual(translationParent.one);
    });
  });
});