Add support for renameFolder Admin API

src/Api/Admin/FoldersTrait.php

@@ -87,6 +87,27 @@ public function createFolder($path)
         return $this->apiClient->post($uri);
     }
 
+    /**
+     * Renames folder.
+     *
+     * @param string $fromPath The full path of an existing asset folder.
+     * @param string $toPath   The full path of the new asset folder.
+     *
+     * @return ApiResponse
+     *
+     * @throws ApiError
+     *
+     * @see https://cloudinary.com/documentation/admin_api#rename_folder
+     */
+    public function renameFolder($fromPath, $toPath)
+    {
+        $uri = [ApiEndPoint::FOLDERS, $fromPath];
+
+        $params = ['to_folder' => $toPath];
+
+        return $this->apiClient->put($uri, $params);
+    }
+
     /**
      * Deletes an empty folder.
      *

tests/Unit/Admin/FoldersTest.php

@@ -0,0 +1,47 @@
+<?php
+/**
+ * This file is part of the Cloudinary PHP package.
+ *
+ * (c) Cloudinary
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Cloudinary\Test\Unit\Admin;
+
+use Cloudinary\Api\Exception\ApiError;
+use Cloudinary\Configuration\Configuration;
+use Cloudinary\Test\Helpers\MockAdminApi;
+use Cloudinary\Test\Helpers\RequestAssertionsTrait;
+use Cloudinary\Test\Unit\UnitTestCase;
+
+/**
+ * Class FoldersTest
+ */
+final class FoldersTest extends UnitTestCase
+{
+    use RequestAssertionsTrait;
+
+    /**
+     * Test rename folder.
+     *
+     * @throws ApiError
+     */
+    public function testRenameFolder()
+    {
+        $mockAdminApi = new MockAdminApi();
+        $mockAdminApi->renameFolder(self::API_TEST_ASSET_ID, self::API_TEST_ASSET_ID2);
+
+        $lastRequest = $mockAdminApi->getMockHandler()->getLastRequest();
+
+        self::assertRequestPut($lastRequest);
+        self::assertRequestUrl($lastRequest, '/folders/' . self::API_TEST_ASSET_ID);
+        self::assertRequestBodySubset(
+            $lastRequest,
+            [
+                "to_folder" => self::API_TEST_ASSET_ID2,
+            ]
+        );
+    }
+}