import { toDateFormat } from '.';

const TZ = 'America/Toronto';

describe('Date', () => {
  describe('toDateFormat', () => {
    it('should be America/Toronto timeZone', () => {
      // we're explicitly setting TZ in `jest.config.js`
      // this test is to verify that
      expect(Intl.DateTimeFormat().resolvedOptions().timeZone).toBe(TZ);
    });
    it('should format date correctly', () => {
      // if TZ is not 'America/Toronto' the following test cases will fail
      expect(toDateFormat(1592877684000)).toBe('Jun 22 at 10:01 pm');
      expect(toDateFormat(1592877340000)).toBe('Jun 22 at 9:55 pm');
      expect(toDateFormat(1592850067000)).toBe('Jun 22 at 2:21 pm');
      expect(toDateFormat(1615308615000)).toBe('Mar 9 at 11:50 am');
      expect(toDateFormat(1615308108000)).toBe('Mar 9 at 11:41 am');
      // this was previously rendering as 0:28 pm:
      expect(toDateFormat(1615912139000)).toBe('Mar 16 at 12:28 pm');
      expect(toDateFormat(1592883929000)).toBe('Jun 22 at 11:45 pm');
      expect(toDateFormat(1592883518000)).toBe('Jun 22 at 11:38 pm');
      expect(toDateFormat(1592882817000)).toBe('Jun 22 at 11:26 pm');
      expect(toDateFormat(1592881746000)).toBe('Jun 22 at 11:09 pm');
      expect(toDateFormat(1592879617000)).toBe('Jun 22 at 10:33 pm');
      expect(toDateFormat(1592879267000)).toBe('Jun 22 at 10:27 pm');
      expect(toDateFormat(1592879146000)).toBe('Jun 22 at 10:25 pm');
      expect(toDateFormat(1592878450000)).toBe('Jun 22 at 10:14 pm');
    });
  });
});