phonumber/src/setMask.test.ts

Phone number parser. Good for formatting phone numbers entered by users.

import setMask from './setMask';

describe('setMask tests (without dialCode)', () => {
  const mask = '###-###-####';

  test('Should get formatted phone number', () => {
    const result = setMask({ value: '2501234567', mask });
    expect(result).toEqual('250-123-4567');
  });

  test('Should get formatted phone number without tail', () => {
    const result = setMask({ value: '25012345678910', mask });
    expect(result).toEqual('250-123-4567');
  });

  test('Should get formatted phone number with tail', () => {
    const result = setMask({
      value: '25012345678910',
      mask,

      options: {
        withTail: true,
      },
    });
    expect(result).toEqual('250-123-45678910');
  });

  test('Should get empty value if pass empty string', () => {
    const result = setMask({ value: '', mask });
    expect(result).toEqual('');
  });

  test('Should get incorrect formatted phone if pass string contained non digit', () => {
    const result = setMask({ value: '250-123_45 67', mask });
    expect(result).not.toEqual('250-123-4567');
  });

  test('Should get formatted part phone if pass not completed string', () => {
    const result = setMask({ value: '25012345', mask });
    expect(result).toEqual('250-123-45');
  });

  test('Should get formatted phone if pass incorrect mask', () => {
    const result = setMask({
      value: '2501234567',
      mask: '+ ##$# - ### - ##a##',
    });
    expect(result).toEqual('250 - 123 - 4567');
  });
});