11792: Can't add customizable options to product

Author: RomaKis

app/code/Magento/Catalog/Test/Unit/Ui/DataProvider/Product/Form/Modifier/CustomOptionsTest.php

@@ -154,7 +154,17 @@ public function testModifyMeta()
             ->method('getAll')
             ->willReturn([]);
 
-        $this->assertArrayHasKey(CustomOptions::GROUP_CUSTOM_OPTIONS_NAME, $this->getModel()->modifyMeta([]));
+        $meta = $this->getModel()->modifyMeta([]);
+
+        $this->assertArrayHasKey(CustomOptions::GROUP_CUSTOM_OPTIONS_NAME, $meta);
+
+        $buttonAdd = $meta['custom_options']['children']['container_header']['children']['button_add'];
+        $buttonAddTargetName = $buttonAdd['arguments']['data']['config']['actions'][0]['targetName'];
+        $expectedTargetName = '${ $.ns }.${ $.ns }.' . CustomOptions::GROUP_CUSTOM_OPTIONS_NAME
+            . '.' . CustomOptions::GRID_OPTIONS_NAME;
+
+        $this->assertEquals($expectedTargetName, $buttonAddTargetName);
+
     }
 
     /**

app/code/Magento/Catalog/Ui/DataProvider/Product/Form/Modifier/CustomOptions.php

@@ -348,7 +348,8 @@ protected function getHeaderContainerConfig($sortOrder)
                                 'sortOrder' => 20,
                                 'actions' => [
                                     [
-                                        'targetName' => 'ns = ${ $.ns }, index = ' . static::GRID_OPTIONS_NAME,
+                                        'targetName' => '${ $.ns }.${ $.ns }.' . static::GROUP_CUSTOM_OPTIONS_NAME
+                                            . '.' . static::GRID_OPTIONS_NAME,
                                         'actionName' => 'processingAddChild',
                                     ]
                                 ]