class LuhnValidatorTest

class LuhnValidatorTest extends \PHPUnit_Framework_TestCase {
  protected $context;
  protected $validator;
  protected function setUp() {
    $this->context = $this
      ->getMock('Symfony\\Component\\Validator\\ExecutionContext', array(), array(), '', false);
    $this->validator = new LuhnValidator();
    $this->validator
      ->initialize($this->context);
  }
  protected function tearDown() {
    $this->context = null;
    $this->validator = null;
  }
  public function testNullIsValid() {
    $this->context
      ->expects($this
      ->never())
      ->method('addViolation');
    $this->validator
      ->validate(null, new Luhn());
  }
  public function testEmptyStringIsValid() {
    $this->context
      ->expects($this
      ->never())
      ->method('addViolation');
    $this->validator
      ->validate('', new Luhn());
  }

  /**
   * @dataProvider getValidNumbers
   */
  public function testValidNumbers($number) {
    $this->context
      ->expects($this
      ->never())
      ->method('addViolation');
    $this->validator
      ->validate($number, new Luhn());
  }
  public function getValidNumbers() {
    return array(
      array(
        '42424242424242424242',
      ),
      array(
        '378282246310005',
      ),
      array(
        '371449635398431',
      ),
      array(
        '378734493671000',
      ),
      array(
        '5610591081018250',
      ),
      array(
        '30569309025904',
      ),
      array(
        '38520000023237',
      ),
      array(
        '6011111111111117',
      ),
      array(
        '6011000990139424',
      ),
      array(
        '3530111333300000',
      ),
      array(
        '3566002020360505',
      ),
      array(
        '5555555555554444',
      ),
      array(
        '5105105105105100',
      ),
      array(
        '4111111111111111',
      ),
      array(
        '4012888888881881',
      ),
      array(
        '4222222222222',
      ),
      array(
        '5019717010103742',
      ),
      array(
        '6331101999990016',
      ),
    );
  }

  /**
   * @dataProvider getInvalidNumbers
   */
  public function testInvalidNumbers($number) {
    $constraint = new Luhn();
    $this->context
      ->expects($this
      ->once())
      ->method('addViolation')
      ->with($constraint->message);
    $this->validator
      ->validate($number, $constraint);
  }
  public function getInvalidNumbers() {
    return array(
      array(
        '1234567812345678',
      ),
      array(
        '4222222222222222',
      ),
      array(
        '0000000000000000',
      ),
      array(
        0,
      ),
    );
  }

}