First Commit

vendor/symfony/http-foundation/Test/Constraint/SessionHasFlashMessage.php

@@ -0,0 +1,78 @@
+<?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\HttpFoundation\Test\Constraint;
+
+use PHPUnit\Framework\Constraint\Constraint;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Session\FlashBagAwareSessionInterface;
+
+final class SessionHasFlashMessage extends Constraint
+{
+    public function __construct(
+        private readonly string $messageType,
+        private readonly mixed $messages,
+    ) {
+    }
+
+    public function toString(): string
+    {
+        return \sprintf('session has flash message of type "%s" containing: %s', $this->messageType, implode(', ', $this->getExpectedMessages()));
+    }
+
+    protected function getExpectedMessages(): array
+    {
+        return \is_array($this->messages) ? $this->messages : [(string) $this->messages];
+    }
+
+    protected function matches(mixed $other): bool
+    {
+        if (!$other instanceof Request) {
+            return false;
+        }
+
+        if (!$other->hasSession()) {
+            return false;
+        }
+
+        $session = $other->getSession();
+
+        if (!$session instanceof FlashBagAwareSessionInterface) {
+            return false;
+        }
+
+        $flashbag = $session->getFlashBag();
+        $flashMessages = $flashbag->peek($this->messageType);
+        $expectedMessages = $this->getExpectedMessages();
+
+        return array_any($flashMessages, static fn (mixed $message) => \in_array($message, $expectedMessages, true));
+    }
+
+    protected function failureDescription(mixed $other): string
+    {
+        if (!$other instanceof Request) {
+            return 'because the constraint was not configured with a Request object';
+        }
+
+        $message = $this->toString();
+
+        if (!$other->hasSession()) {
+            return $message.', because the Request does not have a Session';
+        }
+
+        $session = $other->getSession();
+        if (!$session instanceof FlashBagAwareSessionInterface) {
+            return $message.', because the Session does not have a FlashBag';
+        }
+
+        return $message;
+    }
+}