Initial Drupal 11 with DDEV setup

vendor/symfony/mailer/Test/Constraint/EmailCount.php

@@ -0,0 +1,61 @@
+<?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(
+        private int $expectedValue,
+        private ?string $transport = null,
+        private 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;
+    }
+}

vendor/symfony/mailer/Test/Constraint/EmailIsQueued.php

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+<?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\MessageEvent;
+
+final class EmailIsQueued extends Constraint
+{
+    public function toString(): string
+    {
+        return 'is queued';
+    }
+
+    /**
+     * @param MessageEvent $event
+     */
+    protected function matches($event): bool
+    {
+        return $event->isQueued();
+    }
+
+    /**
+     * @param MessageEvent $event
+     */
+    protected function failureDescription($event): string
+    {
+        return 'the Email '.$this->toString();
+    }
+}