personal-document-generator/__test__/generators/nie-generator.test.js

A simple DNI (spanish ID document number) and NIE (id number for foreing people in spain) generators.

import { expect, test } from 'vitest';
import { getValidNIE } from '../../generators/nie-generator.js';

test('should return a string with the correct format X, Y or Z letter 7 numbers and a letter', () => {
  let n = 5;
  while (n > 0) {
    expect(getValidNIE()).toMatch(/(X|Y|Z){1}\d{7}[A-Z]{1}/);
    n--;
  }
});