GildedRose-Refactoring-Kata/js-jasmine/spec/shop_spec.js

var { Shop } = require('../src/shop.js');

describe('Shop', () => {
  const item = {
    name: 'foo',
    sellIn: 5,
    quality: 5
  };
  const gildedRose = new Shop([item]);
  let items = []
  describe('.updateQuality', () => {
    it("keeps name the same", () => {
      items = gildedRose.updateQuality();
      expect(items[0].name).toEqual("foo");
    });
    describe('when sellIn and quality are above 0', () => {
      beforeEach(() => {
        item.sellIn = 5;
        item.quality = 5;
        items = gildedRose.updateQuality();
      });
      it('descreases sellIn by 1', () => {
        expect(items[0].sellIn).toEqual(4);
      });
      it('decreases quality by 1', () => {
        expect(items[0].sellIn).toEqual(4);
      })
    });
  });
});