public function testValidatorSingleInvalid()
{
$data = array('month' => '6abc ');
$validators = array('month' => 'digits');
$input = new InputFilter(null, $validators, $data);
$this->assertFalse($input->hasMissing(), 'Expected hasMissing() to return false');
$this->assertTrue($input->hasInvalid(), 'Expected hasInvalid() to return true');
$this->assertFalse($input->hasUnknown(), 'Expected hasUnknown() to return false');
$this->assertFalse($input->hasValid(), 'Expected hasValid() to return false');
$messages = $input->getMessages();
$this->assertInternalType('array', $messages);
$this->assertEquals(array('month'), array_keys($messages));
$this->assertInternalType('array', $messages['month']);
$this->assertEquals("'6abc ' must contain only digits", current($messages['month']));
$errors = $input->getErrors();
$this->assertInternalType('array', $errors);
$this->assertEquals(array('month'), array_keys($errors));
$this->assertInternalType('array', $errors['month']);
$this->assertEquals("notDigits", $errors['month'][0]);
}
