EmailCount.php

<?php


/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\Mailer\Test\Constraint;

use PHPUnit\Framework\Constraint\Constraint;
use Symfony\Component\Mailer\Event\MessageEvents;
final class EmailCount extends Constraint {
    public function __construct(int $expectedValue, ?string $transport = null, bool $queued = false) {
    }
    public function toString() : string {
        return \sprintf('%shas %s "%d" emails', $this->transport ? $this->transport . ' ' : '', $this->queued ? 'queued' : 'sent', $this->expectedValue);
    }
    
    /**
     * @param MessageEvents $events
     */
    protected function matches($events) : bool {
        return $this->expectedValue === $this->countEmails($events);
    }
    
    /**
     * @param MessageEvents $events
     */
    protected function failureDescription($events) : string {
        return \sprintf('the Transport %s (%d %s)', $this->toString(), $this->countEmails($events), $this->queued ? 'queued' : 'sent');
    }
    private function countEmails(MessageEvents $events) : int {
        $count = 0;
        foreach ($events->getEvents($this->transport) as $event) {
            if ($this->queued && $event->isQueued() || !$this->queued && !$event->isQueued()) {
                ++$count;
            }
        }
        return $count;
    }

}