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