Merge branch 'ACQE-8868' into ACQE-functional-deployment-v4-3

Author: Karishmathakare19

dev/tests/integration/testsuite/Magento/Sales/Model/Order/Email/Sender/CreditmemoAsyncEmailTest.php

@@ -0,0 +1,144 @@
+<?php
+/**
+ * Copyright 2025 Adobe
+ * All Rights Reserved.
+ */
+declare(strict_types=1);
+
+namespace Magento\Sales\Model\Order\Email\Sender;
+
+use Magento\Catalog\Test\Fixture\Product as ProductFixture;
+use Magento\Checkout\Test\Fixture\PlaceOrder as PlaceOrderFixture;
+use Magento\Checkout\Test\Fixture\SetBillingAddress as SetBillingAddressFixture;
+use Magento\Checkout\Test\Fixture\SetDeliveryMethod as SetDeliveryMethodFixture;
+use Magento\Checkout\Test\Fixture\SetGuestEmail as SetGuestEmailFixture;
+use Magento\Checkout\Test\Fixture\SetPaymentMethod as SetPaymentMethodFixture;
+use Magento\Checkout\Test\Fixture\SetShippingAddress as SetShippingAddressFixture;
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Framework\Mail\EmailMessageInterface;
+use Magento\Quote\Test\Fixture\AddProductToCart as AddProductToCartFixture;
+use Magento\Quote\Test\Fixture\GuestCart as GuestCartFixture;
+use Magento\Sales\Api\CreditmemoManagementInterface;
+use Magento\Sales\Api\CreditmemoRepositoryInterface;
+use Magento\Sales\Model\Order\CreditmemoFactory;
+use Magento\Sales\Test\Fixture\Invoice as InvoiceFixture;
+use Magento\TestFramework\Fixture\Config;
+use Magento\TestFramework\Fixture\DataFixture;
+use Magento\TestFramework\Fixture\DataFixtureStorageManager;
+use Magento\TestFramework\Helper\Bootstrap;
+use Magento\TestFramework\Mail\Template\TransportBuilderMock;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Test credit memo creation for offline payment with async email notification.
+ *
+ */
+class CreditmemoAsyncEmailTest extends TestCase
+{
+    /**
+     * @var CreditmemoFactory
+     */
+    private $creditmemoFactory;
+
+    /**
+     * @var CreditmemoManagementInterface
+     */
+    private $creditmemoManagement;
+
+    /**
+     * @var CreditmemoSender
+     */
+    private $creditmemoSender;
+
+    /**
+     * @var TransportBuilderMock
+     */
+    private $transportBuilder;
+
+    /**
+     * @var array
+     */
+    private $sentEmails = [];
+
+    /**
+     * @inheritdoc
+     */
+    protected function setUp(): void
+    {
+        $objectManager = Bootstrap::getObjectManager();
+        $this->creditmemoFactory = $objectManager->get(CreditmemoFactory::class);
+        $this->creditmemoManagement = $objectManager->get(CreditmemoManagementInterface::class);
+        $this->creditmemoSender = $objectManager->get(CreditmemoSender::class);
+        $this->transportBuilder = $objectManager->get(TransportBuilderMock::class);
+        $this->sentEmails = [];
+        // Capture sent emails
+        $this->transportBuilder->setOnMessageSentCallback(
+            function (EmailMessageInterface $message) {
+                $this->sentEmails[] = $message;
+            }
+        );
+    }
+
+    /**
+     * Test: Create Credit Memo for Offline Payment Methods with Async Email Notification
+     *
+     * @return void
+     * @throws LocalizedException
+     */
+    #[
+        Config('payment/checkmo/active', '1'),
+        Config('carriers/flatrate/active', '1'),
+        Config('sales_email/general/async_sending', '1'),
+        Config('sales_email/creditmemo/enabled', '1'),
+        DataFixture(ProductFixture::class, as: 'product'),
+        DataFixture(GuestCartFixture::class, as: 'cart'),
+        DataFixture(AddProductToCartFixture::class, ['cart_id' => '$cart.id$', 'product_id' => '$product.id$']),
+        DataFixture(SetBillingAddressFixture::class, ['cart_id' => '$cart.id$']),
+        DataFixture(SetShippingAddressFixture::class, ['cart_id' => '$cart.id$']),
+        DataFixture(SetGuestEmailFixture::class, ['cart_id' => '$cart.id$']),
+        DataFixture(SetDeliveryMethodFixture::class, ['cart_id' => '$cart.id$']),
+        DataFixture(SetPaymentMethodFixture::class, ['cart_id' => '$cart.id$', 'method' => 'checkmo']),
+        DataFixture(PlaceOrderFixture::class, ['cart_id' => '$cart.id$'], 'order'),
+        DataFixture(InvoiceFixture::class, ['order_id' => '$order.id$'], 'invoice'),
+    ]
+    public function testCreateCreditmemoWithAsyncEmailNotification(): void
+    {
+        $fixtures = DataFixtureStorageManager::getStorage();
+        $order = $fixtures->get('order');
+        $this->assertNotNull($order->getId(), 'Order should exist');
+        $this->assertTrue($order->hasInvoices(), 'Order should have invoice');
+        $this->assertEquals('checkmo', $order->getPayment()->getMethod());
+        $creditmemo = $this->creditmemoFactory->createByOrder($order);
+        $creditmemoRepository = Bootstrap::getObjectManager()->get(CreditmemoRepositoryInterface::class);
+        $creditmemoRepository->save($creditmemo);
+        $creditmemo->setSendEmail(true);
+        $creditmemoRepository->save($creditmemo);
+        $this->assertCount(
+            0,
+            $this->sentEmails,
+            'Email should NOT be sent immediately in async mode'
+        );
+        $this->assertEmpty(
+            $creditmemo->getEmailSent(),
+            'EmailSent should be empty until async process sends it'
+        );
+        $creditmemoEmailCron = Bootstrap::getObjectManager()->get('SalesCreditmemoSendEmailsCron');
+        $creditmemoEmailCron->execute();
+        $this->assertCount(1, $this->sentEmails, 'One refund email should be sent');
+        $email = $this->sentEmails[0];
+        $this->assertInstanceOf(EmailMessageInterface::class, $email);
+        $this->assertStringContainsString(
+            'Credit memo',
+            $email->getSubject(),
+            'Email subject should contain "Credit memo"'
+        );
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected function tearDown(): void
+    {
+        $this->sentEmails = [];
+    }
+}