graphQl-784: added validation for the lowercase country id

Author: Vitaliy Boyko

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

@@ -61,6 +61,11 @@ public function __construct(
     public function createBasedOnInputData(array $addressInput): QuoteAddress
     {
         $addressInput['country_id'] = $addressInput['country_code'] ?? '';
+        if ($addressInput['country_id'] && !ctype_upper($addressInput['country_code'] )) {
+            throw new GraphQlInputException(
+                __('"Country Code" cannot contain lowercase characters.')
+            );
+        }
 
         $maxAllowedLineCount = $this->addressHelper->getStreetLines();
         if (is_array($addressInput['street']) && count($addressInput['street']) > $maxAllowedLineCount) {
@@ -69,6 +74,7 @@ public function createBasedOnInputData(array $addressInput): QuoteAddress
             );
         }
 
+
         $quoteAddress = $this->quoteAddressFactory->create();
         $quoteAddress->addData($addressInput);
         return $quoteAddress;

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

@@ -66,7 +66,6 @@ public function execute(ContextInterface $context, CartInterface $cart, array $s
         }
 
         if (null === $customerAddressId) {
-            $addressInput['country_code'] = strtoupper($addressInput['country_code']);
             $shippingAddress = $this->quoteAddressFactory->createBasedOnInputData($addressInput);
         } else {
             if (false === $context->getExtensionAttributes()->getIsCustomer()) {

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

@@ -637,6 +637,50 @@ public function testSetNewBillingAddressWithRedundantStreetLine()
         $this->graphQlMutation($query, [], '', $this->getHeaderMap());
     }
 
+    /**
+     * @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
+     * @expectedException \Exception
+     * @expectedExceptionMessage "Country Code" cannot contain lowercase characters.
+     */
+    public function testSetNewBillingAddressWithLowercaseCountryCode()
+    {
+        $maskedQuoteId = $this->getMaskedQuoteIdByReservedOrderId->execute('test_quote');
+
+        $query = <<<QUERY
+mutation {
+  setBillingAddressOnCart(
+    input: {
+      cart_id: "$maskedQuoteId"
+      billing_address: {
+         address: {
+          firstname: "test firstname"
+          lastname: "test lastname"
+          company: "test company"
+          street: ["test street 1", "test street 2"]
+          city: "test city"
+          region: "test region"
+          postcode: "887766"
+          country_code: "us"
+          telephone: "88776655"
+          save_in_address_book: false
+         }
+      }
+    }
+  ) {
+    cart {
+      billing_address {
+        firstname
+      }
+    }
+  }
+}
+QUERY;
+        $this->graphQlMutation($query, [], '', $this->getHeaderMap());
+    }
+
     /**
      * Verify the all the whitelisted fields for a New Address Object
      *

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

@@ -655,6 +655,52 @@ public function testSetShippingAddressWithLowerCaseCountry()
         $this->assertEquals('CA', $address['region']['code']);
     }
 
+    /**
+     * @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
+     * @expectedException \Exception
+     * @expectedExceptionMessage "Country Code" cannot contain lowercase characters.
+     */
+    public function testSetNewShippingAddressOnCartWithLowercaseCountryCode()
+    {
+        $maskedQuoteId = $this->getMaskedQuoteIdByReservedOrderId->execute('test_quote');
+
+        $query = <<<QUERY
+mutation {
+  setShippingAddressesOnCart(
+    input: {
+      cart_id: "$maskedQuoteId"
+      shipping_addresses: [
+        {
+          address: {
+            firstname: "test firstname"
+            lastname: "test lastname"
+            company: "test company"
+            street: ["test street 1", "test street 2"]
+            city: "test city"
+            region: "test region"
+            postcode: "887766"
+            country_code: "us"
+            telephone: "88776655"
+            save_in_address_book: false
+          }
+        }
+      ]
+    }
+  ) {
+    cart {
+      shipping_addresses {
+        firstname
+      }
+    }
+  }
+}
+QUERY;
+        $this->graphQlMutation($query, [], '', $this->getHeaderMap());
+    }
+
     /**
      * Verify the all the whitelisted fields for a New Address Object
      *