♻️ Add store resolver back to constructor parameters for back-compatibility

Author: Marcel Moldovan

app/code/Magento/Checkout/Block/Checkout/DirectoryDataProcessor.php

@@ -6,6 +6,7 @@
 namespace Magento\Checkout\Block\Checkout;
 
 use Magento\Directory\Helper\Data as DirectoryHelper;
+use Magento\Store\Api\StoreResolverInterface;
 use Magento\Store\Model\StoreManagerInterface;
 
 /**
@@ -49,19 +50,21 @@ class DirectoryDataProcessor implements \Magento\Checkout\Block\Checkout\LayoutP
     /**
      * @param \Magento\Directory\Model\ResourceModel\Country\CollectionFactory $countryCollection
      * @param \Magento\Directory\Model\ResourceModel\Region\CollectionFactory $regionCollection
-     * @param StoreManagerInterface $storeManager
+     * @param StoreResolverInterface $storeResolver
      * @param DirectoryHelper $directoryHelper
+     * @param StoreManagerInterface $storeManager
      */
     public function __construct(
         \Magento\Directory\Model\ResourceModel\Country\CollectionFactory $countryCollection,
         \Magento\Directory\Model\ResourceModel\Region\CollectionFactory $regionCollection,
-        StoreManagerInterface $storeManager,
-        DirectoryHelper $directoryHelper
+        StoreResolverInterface $storeResolver,
+        DirectoryHelper $directoryHelper,
+        StoreManagerInterface $storeManager = null
     ) {
         $this->countryCollectionFactory = $countryCollection;
         $this->regionCollectionFactory = $regionCollection;
-        $this->storeManager = $storeManager;
         $this->directoryHelper = $directoryHelper;
+        $this->storeManager = $storeManager ?: \Magento\Framework\App\ObjectManager::getInstance()->get(StoreManagerInterface::class);
     }
 
     /**

app/code/Magento/Checkout/Test/Unit/Block/Checkout/DirectoryDataProcessorTest.php

@@ -32,6 +32,11 @@ class DirectoryDataProcessorTest extends \PHPUnit_Framework_TestCase
      */
     protected $regionCollectionMock;
 
+    /**
+     * @var \PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $storeResolverMock;
+
     /**
      * @var \PHPUnit_Framework_MockObject_MockObject
      */
@@ -72,6 +77,9 @@ protected function setUp()
             '',
             false
         );
+        $this->storeResolverMock = $this->getMock(
+            \Magento\Store\Api\StoreResolverInterface::class
+        );
         $this->storeManagerMock = $this->getMock(
             \Magento\Store\Model\StoreManagerInterface::class
         );
@@ -86,8 +94,9 @@ protected function setUp()
         $this->model = new \Magento\Checkout\Block\Checkout\DirectoryDataProcessor(
             $this->countryCollectionFactoryMock,
             $this->regionCollectionFactoryMock,
-            $this->storeManagerMock,
-            $this->directoryDataHelperMock
+            $this->storeResolverMock,
+            $this->directoryDataHelperMock,
+            $this->storeManagerMock
         );
     }