[TASK] Updated the Unit Test according to issue-14966

Author: lewisvoncken

app/code/Magento/Catalog/Model/Indexer/Product/Flat/Action/Row.php

@@ -79,7 +79,7 @@ public function execute($id = null)
 
             /* @var $status \Magento\Eav\Model\Entity\Attribute */
             $status = $this->_productIndexerHelper->getAttribute('status');
-            $statusTable = $status->getBackendTable();
+            $statusTable = $status->getBackend()->getTable();
             $statusConditions = [
                 'store_id IN(0,' . (int)$store->getId() . ')',
                 'attribute_id = ' . (int)$status->getId(),

app/code/Magento/Catalog/Test/Unit/Model/Indexer/Product/Flat/Action/RowTest.php

@@ -61,6 +61,8 @@ protected function setUp()
     {
         $objectManager = new ObjectManager($this);
 
+        $attributeTable = 'catalog_product_entity_int';
+        $statusId = 22;
         $this->connection = $this->createMock(\Magento\Framework\DB\Adapter\AdapterInterface::class);
         $this->resource = $this->createMock(\Magento\Framework\App\ResourceConnection::class);
         $this->resource->expects($this->any())->method('getConnection')
@@ -70,10 +72,36 @@ protected function setUp()
         $this->store = $this->createMock(\Magento\Store\Model\Store::class);
         $this->store->expects($this->any())->method('getId')->will($this->returnValue('store_id_1'));
         $this->storeManager->expects($this->any())->method('getStores')->will($this->returnValue([$this->store]));
-        $this->productIndexerHelper = $this->createMock(\Magento\Catalog\Helper\Product\Flat\Indexer::class);
         $this->flatItemEraser = $this->createMock(\Magento\Catalog\Model\Indexer\Product\Flat\Action\Eraser::class);
         $this->flatItemWriter = $this->createMock(\Magento\Catalog\Model\Indexer\Product\Flat\Action\Indexer::class);
         $this->flatTableBuilder = $this->createMock(\Magento\Catalog\Model\Indexer\Product\Flat\FlatTableBuilder::class);
+        $this->productIndexerHelper = $this->createMock(\Magento\Catalog\Helper\Product\Flat\Indexer::class);
+        $statusAttributeMock = $this->getMockBuilder(\Magento\Eav\Model\Entity\Attribute::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+        $this->productIndexerHelper->expects($this->any())->method('getAttribute')
+            ->with('status')
+            ->willReturn($statusAttributeMock);
+        $backendMock = $this->getMockBuilder(\Magento\Eav\Model\Entity\Attribute\Backend\AbstractBackend::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+        $backendMock->expects($this->any())->method('getTable')->willReturn($attributeTable);
+        $statusAttributeMock->expects($this->any())->method('getBackend')->willReturn(
+            $backendMock
+        );
+        $statusAttributeMock->expects($this->any())->method('getId')->willReturn($statusId);
+        $selectMock = $this->getMockBuilder(\Magento\Framework\DB\Select::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+        $this->connection->expects($this->any())->method('select')->willReturn($selectMock);
+        $selectMock->expects($this->any())->method('from')->with(
+            $attributeTable,
+            ['value']
+        )->willReturnSelf();
+        $selectMock->expects($this->any())->method('where')->willReturnSelf();
+        $pdoMock = $this->createMock(\Zend_Db_Statement_Pdo::class);
+        $this->connection->expects($this->any())->method('query')->with($selectMock)->will($this->returnValue($pdoMock));
+        $pdoMock->expects($this->any())->method('fetch')->will($this->returnValue(['value' => 1]));
 
         $this->model = $objectManager->getObject(
             \Magento\Catalog\Model\Indexer\Product\Flat\Action\Row::class, [
@@ -82,7 +110,7 @@ protected function setUp()
             'productHelper' => $this->productIndexerHelper,
             'flatItemEraser' => $this->flatItemEraser,
             'flatItemWriter' => $this->flatItemWriter,
-            'flatTableBuilder' => $this->flatTableBuilder
+            'flatTableBuilder' => $this->flatTableBuilder,
         ]);
     }