test: add FileLocatorCachedTest

tests/system/Autoloader/FileLocatorCachedTest.php

@@ -0,0 +1,55 @@
+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Autoloader;
+
+use CodeIgniter\Cache\FactoriesCache\FileVarExportHandler;
+use Config\Autoload;
+use Config\Modules;
+
+/**
+ * @internal
+ *
+ * @group Others
+ */
+final class FileLocatorCachedTest extends FileLocatorTest
+{
+    private FileVarExportHandler $handler;
+    protected FileLocator $locator;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $autoloader = new Autoloader();
+        $autoloader->initialize(new Autoload(), new Modules());
+        $autoloader->addNamespace([
+            'Unknown'       => '/i/do/not/exist',
+            'Tests/Support' => TESTPATH . '_support/',
+            'App'           => APPPATH,
+            'CodeIgniter'   => [
+                TESTPATH,
+                SYSTEMPATH,
+            ],
+            'Errors'              => APPPATH . 'Views/errors',
+            'System'              => SUPPORTPATH . 'Autoloader/system',
+            'CodeIgniter\\Devkit' => [
+                TESTPATH . '_support/',
+            ],
+            'Acme\SampleProject' => TESTPATH . '_support',
+            'Acme\Sample'        => TESTPATH . '_support/does/not/exists',
+        ]);
+
+        $this->handler = new FileVarExportHandler();
+        $fileLocator   = new FileLocator($autoloader);
+        $this->locator = new FileLocatorCached($fileLocator, $this->handler);
+    }
+}

tests/system/Autoloader/FileLocatorTest.php

@@ -20,10 +20,11 @@
  * @internal
  *
  * @group Others
+ * @no-final
  */
-final class FileLocatorTest extends CIUnitTestCase
+class FileLocatorTest extends CIUnitTestCase
 {
-    private FileLocator $locator;
+    protected FileLocator $locator;
 
     protected function setUp(): void
     {