test: add test for feature testing and auto routing improved

tests/system/Test/FeatureTestAutoRoutingImprovedTest.php

@@ -0,0 +1,75 @@
+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <[email protected]>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Test;
+
+use CodeIgniter\Events\Events;
+use Config\Feature;
+use Config\Services;
+
+/**
+ * @group Others
+ *
+ * @internal
+ */
+final class FeatureTestAutoRoutingImprovedTest extends CIUnitTestCase
+{
+    use FeatureTestTrait;
+
+    public static function setUpBeforeClass(): void
+    {
+        parent::setUpBeforeClass();
+
+        Events::simulate(true);
+
+        self::initializeRouter();
+    }
+
+    public static function tearDownAfterClass(): void
+    {
+        parent::tearDownAfterClass();
+
+        Events::simulate(false);
+
+        Services::reset();
+    }
+
+    private static function initializeRouter(): void
+    {
+        $routes = Services::routes();
+        $routes->resetRoutes();
+        $routes->loadRoutes();
+
+        $routes->setAutoRoute(true);
+        config(Feature::class)->autoRoutesImproved = true;
+
+        $namespace = 'Tests\Support\Controllers';
+        $routes->setDefaultNamespace($namespace);
+
+        $router = Services::router($routes);
+
+        Services::injectMock('router', $router);
+    }
+
+    public function testCallGet()
+    {
+        $response = $this->get('newautorouting');
+
+        $response->assertSee('Hello');
+    }
+
+    public function testCallPost()
+    {
+        $response = $this->post('newautorouting/save/1/a/b');
+
+        $response->assertSee('Saved');
+    }
+}