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MailConstraintBase.php
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MailConstraintBase.php
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<?php
declare(strict_types=1);
/**
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
* @link https://cakephp.org CakePHP(tm) Project
* @since 3.7.0
* @license https://opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\TestSuite\Constraint\Email;
use Cake\TestSuite\TestEmailTransport;
use PHPUnit\Framework\Constraint\Constraint;
/**
* Base class for all mail assertion constraints
*
* @internal
*/
abstract class MailConstraintBase extends Constraint
{
/**
* @var int|null
*/
protected ?int $at = null;
/**
* Constructor
*
* @param int|null $at At
* @return void
*/
public function __construct(?int $at = null)
{
$this->at = $at;
}
/**
* Gets the email or emails to check
*
* @return array<\Cake\Mailer\Message>
*/
public function getMessages(): array
{
$messages = TestEmailTransport::getMessages();
if ($this->at !== null) {
if (!isset($messages[$this->at])) {
return [];
}
return [$messages[$this->at]];
}
return $messages;
}
}