Files
DesignPatternsPHP/Behavioral/Observer/Tests/ObserverTest.php
2019-08-19 18:11:49 +02:00

22 lines
547 B
PHP

<?php declare(strict_types=1);
namespace DesignPatterns\Behavioral\Observer\Tests;
use DesignPatterns\Behavioral\Observer\User;
use DesignPatterns\Behavioral\Observer\UserObserver;
use PHPUnit\Framework\TestCase;
class ObserverTest extends TestCase
{
public function testChangeInUserLeadsToUserObserverBeingNotified()
{
$observer = new UserObserver();
$user = new User();
$user->attach($observer);
$user->changeEmail('foo@bar.com');
$this->assertCount(1, $observer->getChangedUsers());
}
}