import {describe, it, expect} from 'vitest';
import {Instant} from '@/';

describe('Instant', () => {
  describe('#round', () => {
    it('with string as option', async () => {
      let instant = Instant.fromEpochMilliseconds(1709910237265);
      expect(instant.toString()).toEqual('2024-03-08T15:03:57.265Z');
      expect(instant.round('second').toString()).toEqual('2024-03-08T15:03:57.000Z');
      expect(instant.round('minute').toString()).toEqual('2024-03-08T15:04:00.000Z');
      expect(instant.round('hour').toString()).toEqual('2024-03-08T15:00:00.000Z');
    });

    it('rounds using rounding increment', async () => {
      let instant = Instant.fromEpochMilliseconds(1709910237265);
      expect(instant.toString()).toEqual('2024-03-08T15:03:57.265Z');
      expect(instant.round({smallestUnit: 'second', roundingIncrement: 5}).toString()).toEqual(
        '2024-03-08T15:03:55.000Z',
      );
      expect(instant.round({smallestUnit: 'minute', roundingIncrement: 10}).toString()).toEqual(
        '2024-03-08T15:00:00.000Z',
      );
      expect(instant.round({smallestUnit: 'hour', roundingIncrement: 6}).toString()).toEqual(
        '2024-03-08T18:00:00.000Z',
      );
    });
  });
});