Add regression and integration test suite

Port the stress-test findings into PHPUnit: realistic brett-parson.com
route model, known-issue baselines, router boundary cases, and a
standalone scaling benchmark (composer bench).

1 files changed, 31 insertions, 0 deletions

diff --git a/tests/Fixtures/AdminLoggingMiddleware.php b/tests/Fixtures/AdminLoggingMiddleware.php
new file mode 100644
index 0000000..8613475
--- /dev/null
+++ b/tests/Fixtures/AdminLoggingMiddleware.php
@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BrettParson\MiniRoute\Tests\Fixtures;
+
+use ArrayObject;
+use BrettParson\MiniRoute\Http\RequestInterface;
+use BrettParson\MiniRoute\Http\ResponseInterface;
+use BrettParson\MiniRoute\Middleware\MiddlewareInterface;
+
+/**
+ * Logs before/after into a shared log. Stands in for the real app's admin
+ * gate; distinct class from CsrfLoggingMiddleware so both group layers can
+ * be resolved independently and their onion order asserted.
+ */
+final class AdminLoggingMiddleware implements MiddlewareInterface
+{
+    public function __construct(private readonly ArrayObject $log)
+    {
+    }
+
+    public function handle(RequestInterface $request, callable $next): ResponseInterface
+    {
+        $this->log->append('admin:before');
+        $response = $next($request);
+        $this->log->append('admin:after');
+
+        return $response;
+    }
+}