public function testGetsErrorMessagesWhenValidationFails()
{
$name = '<command>';
$desc = 'The <command> you need help with';
$obj = new DefinedArg($name, $desc);
$obj->setValidator(new MustBeValidPath());
$this->assertEquals($name, $obj->name);
$this->assertEquals($desc, $obj->desc);
$this->assertTrue($obj->testIsOptional());
$this->assertTrue($obj->testMustValidateWith('Gradwell\\ValidationLib\\MustBeValidPath'));
// now, validate the data
$return = $obj->testIsValid(__FILE__);
$this->assertTrue(is_array($return));
$this->assertEquals(1, count($return));
// we do not need to test the actual error message here
// as the error message may change in future releases
//
// simply having an error message is enough
}
