mumbling.test.js

import accum from './mumbling';

const Test = {
  describe,
  it,
  assertEquals(a, b) {
    expect(a).toEqual(b);
  },
};

Test.describe('accum', function () {
  Test.it('Basic tests', function () {
    Test.assertEquals(
      accum('ZpglnRxqenU'),
      'Z-Pp-Ggg-Llll-Nnnnn-Rrrrrr-Xxxxxxx-Qqqqqqqq-Eeeeeeeee-Nnnnnnnnnn-Uuuuuuuuuuu'
    );
    Test.assertEquals(
      accum('NyffsGeyylB'),
      'N-Yy-Fff-Ffff-Sssss-Gggggg-Eeeeeee-Yyyyyyyy-Yyyyyyyyy-Llllllllll-Bbbbbbbbbbb'
    );
    Test.assertEquals(
      accum('MjtkuBovqrU'),
      'M-Jj-Ttt-Kkkk-Uuuuu-Bbbbbb-Ooooooo-Vvvvvvvv-Qqqqqqqqq-Rrrrrrrrrr-Uuuuuuuuuuu'
    );
    Test.assertEquals(
      accum('EvidjUnokmM'),
      'E-Vv-Iii-Dddd-Jjjjj-Uuuuuu-Nnnnnnn-Oooooooo-Kkkkkkkkk-Mmmmmmmmmm-Mmmmmmmmmmm'
    );
    Test.assertEquals(
      accum('HbideVbxncC'),
      'H-Bb-Iii-Dddd-Eeeee-Vvvvvv-Bbbbbbb-Xxxxxxxx-Nnnnnnnnn-Cccccccccc-Ccccccccccc'
    );
  });
});