import {timestampToLocalDateTime, addLocalizedDateTimeToElementsTitles } from '@utilities/localDateTime';

describe('LocalDateTime Utilities', () => {
  it('should return empty string when no timestamp', () => {
    const localTime = timestampToLocalDateTime(null, null, null)
    expect(localTime).toEqual('');
  });

  it('should return readable date string', () => {
    const localTime = timestampToLocalDateTime('2019-05-03T16:02:50.908Z', 'default', {})
    expect(localTime).toEqual('5/3/2019');
  });

  it('should return formatted year when year option added', () => {
    const localTime = timestampToLocalDateTime('2019-05-03T16:02:50.908Z', 'default', {year: '2-digit'})
    expect(localTime).toEqual('19');
  });

  it('should add datetime attribute to element', () => {
    document.body.setAttribute('datetime', 2222)
    addLocalizedDateTimeToElementsTitles(document.querySelectorAll("body"), 'datetime')
    // eslint-disable-next-line no-prototype-builtins
    expect(document.querySelector('body').attributes.hasOwnProperty('datetime')).toBe(true);
  });
});