ENGCOM-6443: Resolve issue 25896: Cannot create folder using only letters #25904

Author: VladimirZaets

app/code/Magento/Cms/Model/Wysiwyg/Images/Storage.php

@@ -416,7 +416,7 @@ public function createDirectory($name, $path)
     {
         if (!preg_match(self::DIRECTORY_NAME_REGEXP, $name)) {
             throw new \Magento\Framework\Exception\LocalizedException(
-                __('Please rename the folder using only letters, numbers, underscores and dashes.')
+                __('Please rename the folder using only Latin letters, numbers, underscores and dashes.')
             );
         }
 

app/code/Magento/Cms/Test/Unit/Model/Wysiwyg/Images/StorageTest.php

@@ -7,6 +7,7 @@
 
 use Magento\Cms\Model\Wysiwyg\Images\Storage\Collection as StorageCollection;
 use Magento\Framework\App\Filesystem\DirectoryList;
+use Magento\Framework\Exception\LocalizedException;
 
 /**
  * @SuppressWarnings(PHPMD.LongVariable)
@@ -539,4 +540,18 @@ public function testUploadFile()
 
         $this->assertEquals($result, $this->imagesStorage->uploadFile($targetPath, $type));
     }
+
+    /**
+     * Test create directory with invalid name
+     */
+    public function testCreateDirectoryWithInvalidName()
+    {
+        $name = 'папка';
+        $path = '/tmp/path';
+        $this->expectException(LocalizedException::class);
+        $this->expectExceptionMessage(
+            (string)__('Please rename the folder using only Latin letters, numbers, underscores and dashes.')
+        );
+        $this->imagesStorage->createDirectory($name, $path);
+    }
 }

app/code/Magento/Cms/i18n/en_US.csv

@@ -76,6 +76,7 @@ Pages,Pages
 "The page URL key contains capital letters or disallowed symbols.","The page URL key contains capital letters or disallowed symbols."
 "The page URL key cannot be made of only numbers.","The page URL key cannot be made of only numbers."
 "Please rename the folder using only letters, numbers, underscores and dashes.","Please rename the folder using only letters, numbers, underscores and dashes."
+"Please rename the folder using only Latin letters, numbers, underscores and dashes.","Please rename the folder using only Latin letters, numbers, underscores and dashes."
 "We found a directory with the same name. Please try another folder name.","We found a directory with the same name. Please try another folder name."
 "We cannot create a new directory.","We cannot create a new directory."
 "We cannot delete directory %1.","We cannot delete directory %1."