MAGETWO-85634: magento#12667: Incorrect partial attribute (EAV) reindex (Update by Schedule) for configurable product with childs visibility "Not Visible Individually" magento#1023

Author: Oleksii Korshenko

app/code/Magento/Catalog/Model/Indexer/Product/Eav/AbstractAction.php

@@ -143,6 +143,7 @@ protected function syncData($indexer, $destinationTable, $ids)
     protected function processRelations($indexer, $ids, $onlyParents = false)
     {
         $parentIds = $indexer->getRelationsByChild($ids);
+        $parentIds = array_unique(array_merge($parentIds, $ids));
         $childIds = $onlyParents ? [] : $indexer->getRelationsByParent($parentIds);
         return array_unique(array_merge($ids, $childIds, $parentIds));
     }

app/code/Magento/Catalog/Test/Unit/Model/Indexer/Product/Eav/AbstractActionTest.php

@@ -129,8 +129,9 @@ public function testReindexWithNotNullArgumentExecutesReindexEntities()
             ->disableOriginalConstructor()
             ->getMock();
 
-        $eavSource->expects($this->once())->method('getRelationsByChild')->with($childIds)->willReturn($childIds);
-        $eavSource->expects($this->once())->method('getRelationsByParent')->with($childIds)->willReturn($parentIds);
+        $eavSource->expects($this->once())->method('getRelationsByChild')->with($childIds)->willReturn($parentIds);
+        $eavSource->expects($this->once())->method('getRelationsByParent')
+            ->with(array_unique(array_merge($parentIds, $childIds)))->willReturn($parentIds);
 
         $eavDecimal->expects($this->once())->method('getRelationsByChild')->with($reindexIds)->willReturn($reindexIds);
         $eavDecimal->expects($this->once())->method('getRelationsByParent')->with($reindexIds)->willReturn([]);