AC-9340::Error occurs during Region id Processing while multi-shipping checkout

Author: ashishkumarpundeer

app/code/Magento/Catalog/Test/Unit/Controller/Adminhtml/Product/Attribute/GetRegionIdTest.php

@@ -0,0 +1,204 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\Catalog\Test\Unit\Controller\Adminhtml\Product\Attribute;
+
+use Magento\Catalog\Test\Unit\Controller\Adminhtml\Product\AttributeTest;
+use Magento\Customer\Api\AddressMetadataInterface;
+use Magento\Customer\Api\Data\AddressInterfaceFactory;
+use Magento\Customer\Api\Data\RegionInterfaceFactory;
+use Magento\Customer\Model\Address\AbstractAddress;
+use Magento\Customer\Model\Address\CompositeValidator;
+use Magento\Framework\ObjectManagerInterface;
+use PHPUnit\Framework\MockObject\MockObject;
+use Magento\Framework\Model\Context;
+use Magento\Framework\Registry;
+use Magento\Framework\Api\ExtensionAttributesFactory;
+use Magento\Framework\Api\AttributeValueFactory;
+use Magento\Directory\Helper\Data;
+use Magento\Eav\Model\Config;
+use Magento\Directory\Model\RegionFactory;
+use Magento\Directory\Model\CountryFactory;
+use Magento\Framework\Api\DataObjectHelper;
+use Magento\Framework\Model\ResourceModel\AbstractResource;
+use Magento\Framework\Data\Collection\AbstractDb;
+use Magento\Customer\Model\Address\Config as AddressConfig;
+use Magento\Framework\App\ObjectManager;
+use Magento\Framework\Model\AbstractExtensibleModel;
+use Magento\Directory\Model\Region;
+
+/**
+ * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
+ */
+class GetRegionIdTest extends AttributeTest
+{
+
+    /**
+     * @var Context|MockObject
+     */
+    private Context $context;
+
+    /**
+     * @var Registry|MockObject
+     */
+    private Registry $registry;
+
+    /**
+     * @var ExtensionAttributesFactory|MockObject
+     */
+    private ExtensionAttributesFactory $extensionFactory;
+
+    /**
+     * @var AttributeValueFactory|MockObject
+     */
+    private AttributeValueFactory $customAttributeFactory;
+
+    /**
+     * @var Data|MockObject
+     */
+    private Data $directoryData;
+
+    /**
+     * @var Config|MockObject
+     */
+    private Config $eavConfig;
+
+    /**
+     * @var \Magento\Customer\Model\Address\Config
+     */
+    protected $_addressConfig;
+
+    /**
+     * @var RegionFactory|MockObject
+     */
+    private RegionFactory $regionFactory;
+
+    /**
+     * @var CountryFactory|MockObject
+     */
+    private CountryFactory $countryFactory;
+
+    /**
+     * @var AddressMetadataInterface
+     */
+    protected $metadataService;
+
+    /**
+     * @var AddressInterfaceFactory
+     */
+    protected $addressDataFactory;
+
+    /**
+     * @var RegionInterfaceFactory
+     */
+    protected $regionDataFactory;
+
+    /**
+     * @var DataObjectHelper|MockObject
+     */
+    private DataObjectHelper $dataObjectHelper;
+
+    /**
+     * @var AbstractResource|MockObject
+     */
+    private AbstractResource $resource;
+
+    /**
+     * @var AbstractDb|MockObject
+     */
+    private AbstractDb $resourceCollection;
+
+    /** @var CompositeValidator */
+    private $compositeValidator;
+
+    /**
+     * @var ObjectManagerInterface|MockObject
+     */
+    protected $objectManagerMock;
+
+    /**
+     * @var AbstractExtensibleModel|MockObject
+     */
+    protected $abstractExtensibleModel;
+
+    /**
+     * @var Region|MockObject
+     */
+    protected $region;
+
+
+    /**
+     * @var AbstractAddress|MockObject
+     */
+    protected $abstractAddress;
+
+    protected function setUp(): void
+    {
+        $this->context = $this->createMock(Context::class);
+        $this->registry = $this->createMock(Registry::class);
+        $this->extensionFactory = $this->createMock(ExtensionAttributesFactory::class);
+        $this->customAttributeFactory = $this->createMock(AttributeValueFactory::class);
+        $this->directoryData = $this->createMock(Data::class);
+        $this->eavConfig = $this->createMock(Config::class);
+        $this->_addressConfig = $this->createMock(AddressConfig::class);
+        $this->countryFactory = $this->createMock(CountryFactory::class);
+        $this->metadataService = $this->createMock(AddressMetadataInterface::class);
+        $this->addressDataFactory = $this->createMock(AddressInterfaceFactory::class);
+        $this->regionDataFactory = $this->createMock(RegionInterfaceFactory::class);
+        $this->dataObjectHelper = $this->createMock(DataObjectHelper::class);
+        $this->resource = $this->createMock(AbstractResource::class);
+        $this->resourceCollection = $this->createMock(AbstractDb::class);
+        $this->objectManagerMock = $this->getMockBuilder(ObjectManagerInterface::class)
+            ->getMockForAbstractClass();
+        $compositeValidator = $this->createMock(CompositeValidator::class);
+        $this->compositeValidator = $compositeValidator ?: ObjectManager::getInstance();
+        $this->abstractExtensibleModel = $this->createMock(AbstractExtensibleModel::class);
+        $this->region = $this->createMock(Region::class);
+    }
+
+    public function testExecute()
+    {
+        $address = $this->getMockBuilder(AbstractAddress::class)
+            ->disableOriginalConstructor()
+            ->setMethods(['getRegionCode', 'getCountryId'])
+            ->getMock();
+        //loadByCode
+        $regionFactory = $this->getMockBuilder(RegionFactory::class)
+            ->disableOriginalConstructor()
+            ->setMethods(['create'])
+            ->getMock();
+        $region = $this->getMockBuilder(Region::class)
+            ->disableOriginalConstructor()
+            ->setMethods(['getRegionIdByCode'])
+            ->getMock();
+        $regionFactory->expects($this->once())
+            ->method('create')
+            ->willReturn($region);
+        $abstractAddress = new AbstractAddress(
+            $this->context,
+            $this->registry,
+            $this->extensionFactory,
+            $this->customAttributeFactory,
+            $this->directoryData,
+            $this->eavConfig,
+            $this->_addressConfig,
+            $regionFactory, // Use the mocked RegionFactory
+            $this->countryFactory,
+            $this->metadataService,
+            $this->addressDataFactory,
+            $this->regionDataFactory,
+            $this->dataObjectHelper,
+            $this->resource,
+            $this->resourceCollection,
+            [],
+            $this->compositeValidator
+        );
+        $regionId = $abstractAddress->getRegionId();
+        // Assert the result
+        $this->assertEquals(null, $regionId);
+    }
+}