stdnum/src/se/personnummer.spec.ts

Standard Number Validation

import { validate, format } from './personnummer';
import { InvalidLength, InvalidChecksum } from '../exceptions';

describe('se/personnummer', () => {
  test.each([
    ['8803200017', '880320-0017'], // no hyphen assume young person
    ['880320-0017', '880320-0017'], // standard format
    ['880320+0017', '880320+0017'], // standard format, person over 100
    ['19200901-0000', '200901+0000'], // 4digit year, hypen that's useless person over 100
    ['192009010000', '200901+0000'], // 4digit year, no hyphen, person over 100
    ['20200901-0000', '200901-0000'], // 4digit year, hyphen
    ['202009010000', '200901-0000'], // 4digit year, no hyphen
  ])('format:%s', (given, want) => {
    const result = format(given);

    expect(result).toEqual(want);
  });

  it('validate:880320-0016', () => {
    const result = validate('880320-0016');

    expect(result.isValid && result.compact).toEqual('880320-0016');
  });

  // Coordination number ("Samordningsnummer")
  it('validate:701063-2391', () => {
    const result = validate('701063-2391');

    expect(result.isValid && result.compact).toEqual('701063-2391');
  });

  test.each(['811228-9874', '670919-9530', '11900102-2384'])(
    'validate:%s',
    value => {
      const result = validate(value);

      expect(result.isValid).toEqual(true);
    },
  );

  it('validate:12345678', () => {
    const result = validate('12345678');

    expect(result.error).toBeInstanceOf(InvalidLength);
  });

  it('validate:880320-0018', () => {
    const result = validate('880320-0018');

    expect(result.error).toBeInstanceOf(InvalidChecksum);
  });
});