import { TimeConverter } from '../../../domain/entities/time-converter';

describe('TimeConverter', () => {
  it('should be defined', () => {
    expect(new TimeConverter()).toBeDefined();
  });

  it('should convert a Europe/Paris datetime to utc datetime', () => {
    expect(
      TimeConverter.toUtcDatetime(
        '2023-05-01',
        '07:00',
        'Europe/Paris',
      ).getUTCHours(),
    ).toBe(6);
  });

  it('should return undefined when trying to convert a Europe/Paris datetime to utc datetime without a valid date, time or timezone', () => {
    expect(
      TimeConverter.toUtcDatetime(undefined, '07:00', 'Europe/Paris'),
    ).toBeUndefined();
    expect(
      TimeConverter.toUtcDatetime('2023-13-01', '07:00', 'Europe/Paris'),
    ).toBeUndefined();
    expect(
      TimeConverter.toUtcDatetime('2023-05-01', undefined, 'Europe/Paris'),
    ).toBeUndefined();
    expect(
      TimeConverter.toUtcDatetime('2023-05-01', 'a', 'Europe/Paris'),
    ).toBeUndefined();
    expect(
      TimeConverter.toUtcDatetime('2023-13-01', '07:00', 'OlympusMons/Mars'),
    ).toBeUndefined();
  });
});