<?php

/**
 * @package: patterns
 * @author: Yevhen Odynets
 * @date: 2025-07-06
 * @time: 13:31
 */

declare(strict_types = 1);

namespace App\Tests;

use Pattern\Behavioral\Observer\User;
use Pattern\Behavioral\Observer\UserObserver;
use PHPUnit\Framework\TestCase;

class ObserverTest extends TestCase
{
    public function testObserver(): void
    {
        $user = new User();

        /** These names will be skipped and not be added to the log of names */
        $user->setName("Just a name");
        $user->setName("Some new name");

        $userObserver = new UserObserver();
        $user->attach($userObserver);

        /** After creating a new instance of UserObserver::class
         * and attached it to User::class instance,
         * these names will be added to the log of names */
        $user->setName("Another new name");
        $user->setName("Once again new name");
        $user->setName("Possibly other new name");

        $this->assertEquals(
            ["Another new name", "Once again new name", "Possibly other new name"],
            $userObserver->getNamesLog()
        );
    }
}