ACP2E-4033: Issue mapping translated message to error code when placing order via GraphQL

Author: thiaramus

app/code/Magento/QuoteGraphQl/Test/Unit/Model/Resolver/PlaceOrderTranslationTest.php

@@ -0,0 +1,110 @@
+<?php
+/**
+ * Copyright 2025 Adobe
+ * All Rights Reserved.
+ */
+declare(strict_types=1);
+
+namespace Magento\QuoteGraphQl\Test\Unit\Model\Resolver;
+
+use Magento\Framework\GraphQl\Config\Element\Field;
+use Magento\Framework\GraphQl\Exception\GraphQlInputException;
+use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
+use Magento\GraphQl\Helper\Error\AggregateExceptionMessageFormatter;
+use Magento\GraphQl\Model\Query\Context;
+use Magento\GraphQl\Model\Query\ContextExtensionInterface;
+use Magento\Quote\Model\Quote;
+use Magento\QuoteGraphQl\Model\Cart\GetCartForCheckout;
+use Magento\QuoteGraphQl\Model\Cart\PlaceOrder as PlaceOrderModel;
+use Magento\QuoteGraphQl\Model\ErrorMapper;
+use Magento\QuoteGraphQl\Model\QuoteException;
+use Magento\QuoteGraphQl\Model\Resolver\PlaceOrder;
+use Magento\Sales\Api\OrderRepositoryInterface;
+use Magento\SalesGraphQl\Model\Formatter\Order as OrderFormatter;
+use Magento\Store\Api\Data\StoreInterface;
+use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
+ */
+class PlaceOrderTranslationTest extends TestCase
+{
+    /**
+     * @var GetCartForCheckout|MockObject
+     */
+    private $getCartForCheckoutMock;
+
+    /**
+     * @var PlaceOrderModel|MockObject
+     */
+    private $placeOrderModelMock;
+
+    /**
+     * @var AggregateExceptionMessageFormatter|MockObject
+     */
+    private $errorMessageFormatterMock;
+
+    /**
+     * @var ErrorMapper|MockObject
+     */
+    private $errorMapperMock;
+
+    /**
+     * @var PlaceOrder
+     */
+    private $placeOrderResolver;
+
+    protected function setUp(): void
+    {
+        $this->getCartForCheckoutMock = $this->createMock(GetCartForCheckout::class);
+        $this->placeOrderModelMock = $this->createMock(PlaceOrderModel::class);
+        $this->errorMessageFormatterMock = $this->createMock(AggregateExceptionMessageFormatter::class);
+        $this->errorMapperMock = $this->createMock(ErrorMapper::class);
+
+        $this->placeOrderResolver = new PlaceOrder(
+            $this->getCartForCheckoutMock,
+            $this->placeOrderModelMock,
+            $this->createMock(OrderRepositoryInterface::class),
+            $this->createMock(OrderFormatter::class),
+            $this->errorMessageFormatterMock,
+            $this->errorMapperMock
+        );
+    }
+
+    /**
+     * Test that getRawMessage() is called on GraphQlInputException to map the error message properly.
+     */
+    public function testGetRawMessageIsCalledForErrorMapping(): void
+    {
+        $exception = $this->getMockBuilder(GraphQlInputException::class)
+            ->disableOriginalConstructor()
+            ->onlyMethods(['getRawMessage'])
+            ->getMock();
+        $exception->method('getRawMessage')->willReturn('Raw error message');
+        $exception->expects($this->once())->method('getRawMessage');
+
+        $this->errorMapperMock->expects($this->once())
+            ->method('getErrorMessageId')
+            ->with('Raw error message')
+            ->willReturn(1);
+
+        $this->getCartForCheckoutMock->method('execute')->willReturn($this->createMock(Quote::class));
+        $this->placeOrderModelMock->method('execute')->willThrowException($exception);
+        $this->errorMessageFormatterMock->method('getFormatted')->willReturn($exception);
+
+        $contextMock = $this->createMock(Context::class);
+        $extensionAttributesMock = $this->createMock(ContextExtensionInterface::class);
+        $extensionAttributesMock->method('getStore')->willReturn($this->createMock(StoreInterface::class));
+        $contextMock->method('getExtensionAttributes')->willReturn($extensionAttributesMock);
+
+        $this->expectException(QuoteException::class);
+        $this->placeOrderResolver->resolve(
+            $this->createMock(Field::class),
+            $contextMock,
+            $this->createMock(ResolveInfo::class),
+            null,
+            ['input' => ['cart_id' => 'masked_cart_id']]
+        );
+    }
+}