AC-15074: Show prefix/suffix setting ignored when set to No

Author: wip44850

app/code/Magento/Sales/Test/Unit/Model/OrderTest.php

@@ -40,6 +40,7 @@
 use Magento\Sales\Model\ResourceModel\Order\Status\History\CollectionFactory as HistoryCollectionFactory;
 use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
+use Magento\Config\Model\Config\Source\Nooptreq;
 
 /**
  * Test class for \Magento\Sales\Model\Order
@@ -439,6 +440,14 @@ public function testGetCustomerName(array $expectedData)
         $this->order->setCustomerMiddlename($expectedData['middle_name']);
         $this->order->setCustomerSuffix($expectedData['customer_suffix']);
         $this->order->setCustomerPrefix($expectedData['customer_prefix']);
+        // Ensure prefix/suffix are visible to match expected strings.
+        $this->scopeConfigMock->method('getValue')->willReturnCallback(function ($path) {
+            if ($path === 'customer/address/prefix_show' || $path === 'customer/address/suffix_show') {
+                return Nooptreq::VALUE_REQUIRED;
+            }
+            return null;
+        });
+
         $this->scopeConfigMock->expects($this->exactly($expectedData['invocation']))
             ->method('isSetFlag')
             ->willReturn(true);

dev/tests/integration/testsuite/Magento/Sales/Model/OrderPrefixSuffixVisibilityTest.php

@@ -25,6 +25,9 @@ class OrderPrefixSuffixVisibilityTest extends TestCase
     private const XML_PATH_PREFIX_SHOW = 'customer/address/prefix_show';
     private const XML_PATH_SUFFIX_SHOW = 'customer/address/suffix_show';
 
+    /**
+     * @var ObjectManagerInterface
+     */
     private ObjectManagerInterface $om;
 
     protected function setUp(): void
@@ -93,8 +96,12 @@ private function makeOrder(string $prefix, string $first, string $last, string $
         return $order;
     }
 
-    private function setConfig(string $path, ?string $value, string $scope = ScopeInterface::SCOPE_STORE, string $scopeCode = 'default'): void
-    {
+    private function setConfig(
+        string $path,
+        ?string $value,
+        string $scope = ScopeInterface::SCOPE_STORE,
+        string $scopeCode = 'default'
+    ): void {
         $this->om->get(MutableScopeConfigInterface::class)->setValue($path, $value, $scope, $scopeCode);
     }
 }