import { describe, it, expect } from 'vitest';
import { formatDateGerman, getExpirationStatus } from '@/lib/formatting/date';

describe('Date & Expiration Status Helpers', () => {
  it('formats ISO dates into German TT.MM.JJJJ format', () => {
    expect(formatDateGerman('2026-07-26')).toBe('26.07.2026');
  });

  it('returns OK for null expiration date', () => {
    const status = getExpirationStatus(null);
    expect(status.status).toBe('OK');
    expect(status.label).toBe('Kein Ablaufdatum');
  });

  it('correctly flags expired dates', () => {
    const status = getExpirationStatus('2020-01-01');
    expect(status.status).toBe('EXPIRED');
    expect(status.label).toContain('Abgelaufen');
  });
});