MAGETWO-54257: "Stock Status" attribute is not changed for Variation Simple Product

Author: mslabko

app/code/Magento/ConfigurableProduct/Model/Product/VariationHandler.php

@@ -29,7 +29,10 @@ class VariationHandler
     /** @var \Magento\Catalog\Model\ProductFactory */
     protected $productFactory;
 
-    /** @var \Magento\CatalogInventory\Api\StockConfigurationInterface */
+    /**
+     * @var \Magento\CatalogInventory\Api\StockConfigurationInterface
+     * @deprecated
+     */
     protected $stockConfiguration;
 
     /**
@@ -168,14 +171,10 @@ protected function fillSimpleProductData(
 
         $keysFilter = ['item_id', 'product_id', 'stock_id', 'type_id', 'website_id'];
         $postData['stock_data'] = array_diff_key((array)$parentProduct->getStockData(), array_flip($keysFilter));
-        $postData['stock_data']['manage_stock'] = $postData['quantity_and_stock_status']['qty'] === '' ? 0 : 1;
         if (!isset($postData['stock_data']['is_in_stock'])) {
             $stockStatus = $parentProduct->getQuantityAndStockStatus();
             $postData['stock_data']['is_in_stock'] = $stockStatus['is_in_stock'];
         }
-        $configDefaultValue = $this->stockConfiguration->getManageStock($product->getStoreId());
-        $postData['stock_data']['use_config_manage_stock'] = $postData['stock_data']['manage_stock'] ==
-        $configDefaultValue ? 1 : 0;
         $postData = $this->processMediaGallery($product, $postData);
         $postData['status'] = isset($postData['status'])
             ? $postData['status']

app/code/Magento/ConfigurableProduct/Test/Unit/Model/Product/VariationHandlerTest.php

@@ -254,11 +254,6 @@ public function testGenerateSimpleProducts()
         $parentProductMock->expects($this->once())
             ->method('getQuantityAndStockStatus')
             ->willReturn(['is_in_stock' => 1]);
-        $newSimpleProductMock->expects($this->once())->method('getStoreId')->willReturn('store_id');
-        $this->stockConfiguration->expects($this->once())
-            ->method('getManageStock')
-            ->with('store_id')
-            ->willReturn(1);
         $newSimpleProductMock->expects($this->once())->method('addData')->willReturnSelf();
         $parentProductMock->expects($this->once())->method('getWebsiteIds')->willReturn('website_id');
         $newSimpleProductMock->expects($this->once())->method('setWebsiteIds')->with('website_id')->willReturnSelf();