ENGCOM-7659: magento/magento2#: GraphQl. setShippingAddressesOnCart. Test coverage for The shipping address must contain either "customer_address_id" or "address". error. #28492

Author: cpartica

app/code/Magento/QuoteGraphQl/Model/Cart/SetShippingAddressesOnCart.php

@@ -51,7 +51,10 @@ public function execute(ContextInterface $context, CartInterface $cart, array $s
         $shippingAddressInput = current($shippingAddressesInput) ?? [];
         $customerAddressId = $shippingAddressInput['customer_address_id'] ?? null;
 
-        if (!$customerAddressId && !isset($shippingAddressInput['address']['save_in_address_book'])) {
+        if (!$customerAddressId
+            && isset($shippingAddressInput['address'])
+            && !isset($shippingAddressInput['address']['save_in_address_book'])
+        ) {
             $shippingAddressInput['address']['save_in_address_book'] = true;
         }
 

dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/Customer/SetShippingAddressOnCartTest.php

@@ -1745,6 +1745,57 @@ public function testSetNewShippingAddressWithDefaultValueOfSaveInAddressBookAndP
         }
     }
 
+    /**
+     * @magentoApiDataFixture Magento/Customer/_files/customer.php
+     * @magentoApiDataFixture Magento/GraphQl/Catalog/_files/simple_product.php
+     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/customer/create_empty_cart.php
+     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/add_simple_product.php
+     */
+    public function testSetShippingAddressOnCartWithNullCustomerAddressId()
+    {
+        $maskedQuoteId = $this->getMaskedQuoteIdByReservedOrderId->execute('test_quote');
+
+        $query = <<<QUERY
+mutation {
+  setShippingAddressesOnCart(
+    input: {
+      cart_id: "$maskedQuoteId"
+      shipping_addresses: [
+        {
+          customer_address_id: null
+        }
+      ]
+    }
+  ) {
+    cart {
+      shipping_addresses {
+        firstname
+        lastname
+        company
+        street
+        city
+        postcode
+        telephone
+        country {
+          label
+          code
+        }
+        region {
+            code
+            label
+        }
+        __typename
+      }
+    }
+  }
+}
+QUERY;
+        $this->expectExceptionMessage(
+            'The shipping address must contain either "customer_address_id" or "address".'
+        );
+        $this->graphQlMutation($query, [], '', $this->getHeaderMap());
+    }
+
     /**
      * Verify the all the whitelisted fields for a New Address Object
      *