nestjs-api-tools/src/decorators/transform/as-date.decorator.spec.ts

Wrappers for convenient API development including validation, logging and i18n wrappers

import {DateTime} from 'luxon';
import faker from 'faker';
import {transformAsDate} from './as-date.decorator';

describe('AsDate', () => {
  describe.each([
    null,
    undefined,
    {},
    {value: null},
  ])('v: %s', (v: unknown) => {
    it('should return null if object cannot be transformed to ISO-string', () => {
      expect(transformAsDate(v)).toBeNull();
    });
  });

  describe.each([
    DateTime.fromJSDate(faker.date.past()),
    '2021-01-26T11:12:54.000+03:00',
    '2020-12-03 21:05:51+00',
    {
      value: DateTime.fromJSDate(faker.date.past()),
    },
    {
      value: '2021-01-26T11:12:54.000+03:00',
    },
    {
      value: '2020-12-03 21:05:51+00',
    },
  ])('v: %s', (v: unknown) => {
    it('should return ISO-string', () => {
      expect(transformAsDate(v as any)).toMatch(/^\d{4}-[01]\d-[0-3]\d$/);
    });
  });
});