Phalcon\Test\Unit\Validation\Validator\UniquenessTest::testSingleFieldWithNull PHP Method

    public function testSingleFieldWithNull()
    {
        $this->specify('Test uniqueness with single field and a null value.', function () {
            $validation = new Validation();
            $validation->add('deleted', new Uniqueness());
            $messages = $validation->validate(null, $this->robot);
            expect($messages->count())->equals(1);
            $messages = $validation->validate(null, $this->anotherRobot);
            expect($messages->count())->equals(1);
            $messages = $validation->validate(null, $this->deletedRobot);
            expect($messages->count())->equals(0);
        });
    }