ACP2E-412: Cant link configurable options with REST to product created on Backend

Author: glo23503

app/code/Magento/Catalog/Model/Product/Type.php

@@ -25,8 +25,6 @@ class Type implements OptionSourceInterface
 {
     const TYPE_SIMPLE = 'simple';
 
-    const TYPE_CONFIGURABLE = 'configurable';
-
     const TYPE_BUNDLE = 'bundle';
 
     const TYPE_VIRTUAL = 'virtual';

app/code/Magento/ConfigurableProduct/Model/OptionRepository.php

@@ -228,7 +228,7 @@ public function save($sku, OptionInterface $option)
 
         try {
             if ($product->getTypeId() === ProductType::TYPE_SIMPLE) {
-                $product->setTypeId(ProductType::TYPE_CONFIGURABLE);
+                $product->setTypeId(ConfigurableType::TYPE_CODE);
                 $product->save();
             }
             $option->save();

dev/tests/api-functional/testsuite/Magento/ConfigurableProduct/Api/LinkManagementTest.php

@@ -9,9 +9,11 @@
 namespace Magento\ConfigurableProduct\Api;
 
 use Magento\Catalog\Model\ResourceModel\Eav\Attribute;
+use Magento\Eav\Api\AttributeRepositoryInterface;
 use Magento\Eav\Model\AttributeRepository;
 use Magento\Eav\Model\Entity\Attribute\Option;
 use Magento\Framework\Webapi\Rest\Request;
+use Magento\TestFramework\Helper\Bootstrap;
 use Magento\TestFramework\TestCase\WebapiAbstract;
 
 /**
@@ -87,6 +89,52 @@ public function testAddChild(): void
         $this->assertTrue($res);
     }
 
+    /**
+     * @magentoApiDataFixture Magento/Catalog/_files/product_simple.php
+     * @magentoApiDataFixture Magento/ConfigurableProduct/_files/configurable_attribute.php
+     * @magentoApiDataFixture Magento/ConfigurableProduct/_files/product_simple_77.php
+     * @magentoApiDataFixture Magento/ConfigurableProduct/_files/delete_association.php
+     *
+     * @return void
+     */
+    public function testAddChildToConfigurableProdWithoutOption(): void
+    {
+        /** @var AttributeRepositoryInterface $attributeRepository */
+        $attributeRepository = Bootstrap::getObjectManager()->create(AttributeRepositoryInterface::class);
+
+        /** @var \Magento\Eav\Api\Data\AttributeInterface $attribute */
+        $attribute = $attributeRepository->get('catalog_product', 'test_configurable');
+
+        $productSku = 'simple';
+        $serviceInfo = [
+            'rest' => [
+                'resourcePath' => self::RESOURCE_PATH . '/' . $productSku . '/options',
+                'httpMethod' => Request::HTTP_METHOD_POST
+            ],
+            'soap' => [
+                'service' => self::SERVICE_NAME,
+                'serviceVersion' => self::SERVICE_VERSION,
+                'operation' => self::SERVICE_NAME . 'Save'
+            ]
+        ];
+        $option = [
+            'attribute_id' => $attribute->getAttributeId(),
+            'label' => 'Test',
+            'values' => [
+                [
+                    'value_index' => 1,
+                ]
+            ],
+        ];
+        /** @var int $result */
+        $result = $this->_webApiCall($serviceInfo, ['sku' => $productSku, 'option' => $option]);
+        $this->assertGreaterThan(0, $result);
+
+        $childSku = 'simple_77';
+        $res = $this->addChild($productSku, $childSku);
+        $this->assertTrue($res);
+    }
+
     /**
      * Test the full flow of creating a configurable product and adding a child via REST
      *