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, 23 insertions, 0 deletions

diff --git a/tests/Fixtures/StatefulController.php b/tests/Fixtures/StatefulController.php
new file mode 100644
index 0000000..bd09592
--- /dev/null
+++ b/tests/Fixtures/StatefulController.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BrettParson\MiniRoute\Tests\Fixtures;
+
+use BrettParson\MiniRoute\Attribute\Get;
+use BrettParson\MiniRoute\Attribute\Middleware;
+use BrettParson\MiniRoute\Http\ResponseInterface;
+
+/**
+ * Route carrying method-level middleware, used with a shared
+ * StatefulMiddleware instance to probe resolver-singleton behavior.
+ */
+final class StatefulController
+{
+    #[Get('/stateful')]
+    #[Middleware(StatefulMiddleware::class)]
+    public function run(): ResponseInterface
+    {
+        return new TestResponse(200, 'stateful');
+    }
+}