@haravan-tech/util/test/date.spec.js

utilities

'use strict';

const {
  isValidDate,
  nowLS,
  regex,
} = require('../');

it ('should return a time string in vi locale', () => {
  let locale = 'vi-VN';

  expect(regex.date.localeString[locale].test(nowLS(locale))).toBeTruthy();
});

it ('should be a valid date', () => {
  expect(isValidDate(new Date())).toBeTruthy();
  expect(isValidDate(new Date().getTime())).toBeTruthy();
  expect(isValidDate(new Date().toLocaleString('vi-VN'))).toBeTruthy();
});

it ('should be an invalid date', () => {
  expect(isValidDate(new Date(''))).toBeFalsy();
  expect(isValidDate('2018-20-10')).toBeFalsy();
  expect(isValidDate(null)).toBeFalsy();
});