stdnum/src/be/nn.spec.ts

Standard Number Validation

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

describe('be/nn', () => {
  it('format:88 02 29-999.90', () => {
    const result = format('88 02 29-999.90');

    expect(result).toEqual('88022999990');
  });

  it('format:88022999990', () => {
    const result = format('88022999990');

    expect(result).toEqual('88022999990');
  });

  it('validate:1', () => {
    const result = validate('1');

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

  it('validate:88022999990', () => {
    const result = validate('88022999990');

    expect(result.isValid && result.compact).toEqual('88022999990');
  });

  it('validate:88022999991', () => {
    const result = validate('88022999991');

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

  it('validate:87022999991', () => {
    const result = validate('87022999991');

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

  test.each([
    '88022999297',
    '85073003328',
    '20070199922',
    '20070199951',
    '80000099902',
    '00000199938',
    '99000099913',
  ])('validate:%s', value => {
    const result = validate(value);

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

  it('validate:20070199952', () => {
    const result = validate('20070199952');

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

  it('validate:80000099903', () => {
    const result = validate('80000099903');

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

  it('validate:00000199939', () => {
    const result = validate('00000199939');

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

  it('validate:99000099942', () => {
    const result = validate('99000099942');

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

  it('validate:40000100133', () => {
    const result = validate('40000100133');

    expect(result.isValid && result.compact).toEqual('40000100133');
  });

  it('validate:00000199938', () => {
    const result = validate('00000199938');

    expect(result.isValid && result.compact).toEqual('00000199938');
  });

  it('validate:40000095579', () => {
    const result = validate('40000095579');

    expect(result.isValid && result.compact).toEqual('40000095579');
  });

  it('validate:(unspecified date in current year)', () => {
    const yy = new Date().getFullYear() % 100;
    const baseNum = parseInt(`${yy}0000999`, 10);
    const twoPrefixedBaseNumber = parseInt(`${2}${baseNum}`, 10);
    const checksum = 97 - (twoPrefixedBaseNumber % 97);
    const id = `${baseNum}${checksum}`;

    const result = validate(id);
    expect(result.isValid && result.compact).toEqual(id);
  });

  it('validate:(unspecified date 100 years ago)', () => {
    const yy = new Date().getFullYear() % 100;
    const baseNum = parseInt(`${yy}0000999`, 10);
    const checksum = 97 - (baseNum % 97);
    const id = `${baseNum}${checksum}`;

    const result = validate(id);
    expect(result.isValid && result.compact).toEqual(id);
  });
});