feat: add FileLocatorCached::deleteCache()

Author: kenjis

system/Autoloader/FileLocatorCached.php

@@ -18,6 +18,8 @@
  * FileLocator with Cache
  *
  * There is no FileLocator interface, so this extends FileLocator.
+ *
+ * @see \CodeIgniter\Autoloader\FileLocatorCachedTest
  */
 final class FileLocatorCached extends FileLocator
 {
@@ -80,6 +82,14 @@ private function saveCache(): void
         }
     }
 
+    /**
+     * Delete cache data
+     */
+    public function deleteCache(): void
+    {
+        $this->cacheHandler->delete($this->cacheKey);
+    }
+
     protected function getNamespaces()
     {
         if (isset($this->cache['getNamespaces'])) {

tests/system/Autoloader/FileLocatorCachedTest.php

@@ -22,8 +22,21 @@
  */
 final class FileLocatorCachedTest extends FileLocatorTest
 {
+    private FileVarExportHandler $handler;
     private FileLocator $locator;
 
+    public static function tearDownAfterClass(): void
+    {
+        parent::tearDownAfterClass();
+
+        // Delete cache file.
+        $autoloader  = new Autoloader();
+        $handler     = new FileVarExportHandler();
+        $fileLocator = new FileLocator($autoloader);
+        $locator     = new FileLocatorCached($fileLocator, $handler);
+        $locator->deleteCache();
+    }
+
     protected function setUp(): void
     {
         parent::setUp();
@@ -51,4 +64,20 @@ protected function setUp(): void
         $fileLocator   = new FileLocator($autoloader);
         $this->locator = new FileLocatorCached($fileLocator, $this->handler);
     }
+
+    protected function tearDown(): void
+    {
+        $this->locator->__destruct();
+
+        parent::tearDown();
+    }
+
+    public function testDeleteCache()
+    {
+        $this->assertNotSame([], $this->handler->get('FileLocatorCache'));
+
+        $this->locator->deleteCache();
+
+        $this->assertFalse($this->handler->get('FileLocatorCache'));
+    }
 }