AC-15338::Added public function for image_file_name_pattern constant

Author: del77428

app/code/Magento/MediaGalleryRenditions/Model/GenerateRenditions.php

@@ -1,7 +1,7 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2025 Adobe
+ * All Rights Reserved.
  */
 declare(strict_types=1);
 
@@ -26,6 +26,16 @@ class GenerateRenditions implements GenerateRenditionsInterface
 {
     private const IMAGE_FILE_NAME_PATTERN = '#\.(jpg|jpeg|gif|png)$# i';
 
+    /**
+     * Get image file name pattern for validation
+     *
+     * @return string
+     */
+    public function getImageFileNamePattern(): string
+    {
+        return self::IMAGE_FILE_NAME_PATTERN;
+    }
+
     /**
      * @var AdapterFactory
      */
@@ -162,7 +172,7 @@ private function validateAsset(string $path): void
             );
         }
 
-        if (!preg_match(self::IMAGE_FILE_NAME_PATTERN, $path)) {
+        if (!preg_match($this->getImageFileNamePattern(), $path)) {
             throw new LocalizedException(
                 __('Could not create rendition for image, unsupported file type: %path.', ['path' => $path])
             );

app/code/Magento/MediaGalleryRenditions/Test/Integration/Model/GenerateRenditionsTest.php

@@ -1,7 +1,7 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2025 Adobe
+ * All Rights Reserved.
  */
 
 declare(strict_types=1);
@@ -145,6 +145,34 @@ private function copyImage(string $path): void
         );
     }
 
+    /**
+     * Test getImageFileNamePattern method returns correct regex pattern
+     */
+    public function testGetImageFileNamePattern(): void
+    {
+        $pattern = $this->generateRenditions->getImageFileNamePattern();
+        // Assert the pattern is the expected string
+        $this->assertEquals('#\.(jpg|jpeg|gif|png)$# i', $pattern);
+        // Test that the pattern correctly validates supported file types
+        $validExtensions = ['test.jpg', 'test.jpeg', 'test.gif', 'test.png', 'TEST.JPG', 'TEST.PNG'];
+        foreach ($validExtensions as $filename) {
+            $this->assertEquals(
+                1,
+                preg_match($pattern, $filename),
+                "Pattern should match valid image file: $filename"
+            );
+        }
+        // Test that the pattern correctly rejects unsupported file types
+        $invalidExtensions = ['test.txt', 'test.pdf', 'test.webp', 'test.bmp', 'test'];
+        foreach ($invalidExtensions as $filename) {
+            $this->assertEquals(
+                0,
+                preg_match($pattern, $filename),
+                "Pattern should not match invalid image file: $filename"
+            );
+        }
+    }
+
     /**
      * @return array
      */