PWA-806: Localize emails sent through GraphQL application

- Add tests verifying creation of customer accounts through GraphQL

Author: davemacaulay

dev/tests/integration/testsuite/Magento/CustomerGraphQl/Model/Resolver/CreateCustomerTest.php

@@ -0,0 +1,175 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\CustomerGraphQl\Model\Resolver;
+
+use Magento\Customer\Api\CustomerRepositoryInterface;
+use Magento\Framework\ObjectManagerInterface;
+use Magento\Framework\Serialize\SerializerInterface;
+use Magento\GraphQl\Service\GraphQlRequest;
+use Magento\Store\Api\StoreRepositoryInterface;
+use Magento\TestFramework\Helper\Bootstrap;
+use Magento\TestFramework\Mail\Template\TransportBuilderMock;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Test creating a customer through GraphQL
+ *
+ * @magentoAppArea graphql
+ */
+class CreateCustomerTest extends TestCase
+{
+    /**
+     * @var ObjectManagerInterface
+     */
+    private $objectManager;
+
+    /**
+     * @var GraphQlRequest
+     */
+    private $graphQlRequest;
+
+    /**
+     * @var SerializerInterface
+     */
+    private $json;
+
+    /**
+     * @var CustomerRepositoryInterface
+     */
+    private $customerRepository;
+
+    /**
+     * @var StoreRepositoryInterface
+     */
+    private $storeRepository;
+
+    public function setUp(): void
+    {
+        $this->objectManager = Bootstrap::getObjectManager();
+
+        $this->graphQlRequest = $this->objectManager->create(GraphQlRequest::class);
+        $this->json = $this->objectManager->get(SerializerInterface::class);
+
+        $this->customerRepository = $this->objectManager->create(CustomerRepositoryInterface::class);
+        $this->storeRepository = $this->objectManager->create(StoreRepositoryInterface::class);
+    }
+
+    /**
+     * Test that creating a customer sends an email
+     */
+    public function testCreateCustomerSendsEmail()
+    {
+        $query
+            = <<<QUERY
+mutation createAccount {
+    createCustomer(
+        input: {
+            email: "test@magento.com"
+            firstname: "Test"
+            lastname: "Magento"
+            password: "T3stP4assw0rd"
+            is_subscribed: false
+        }
+    ) {
+        customer {
+            id
+        }
+    }
+}
+QUERY;
+
+        $response = $this->graphQlRequest->send($query);
+        $responseData = $this->json->unserialize($response->getContent());
+
+        // Assert the response of the GraphQL request
+        $this->assertNull($responseData['data']['createCustomer']['customer']['id']);
+
+        // Verify the customer was created and has the correct data
+        $customer = $this->customerRepository->get('test@magento.com');
+        $this->assertEquals('Test', $customer->getFirstname());
+        $this->assertEquals('Magento', $customer->getLastname());
+
+        /** @var TransportBuilderMock $transportBuilderMock */
+        $transportBuilderMock = $this->objectManager->get(TransportBuilderMock::class);
+        $sentMessage = $transportBuilderMock->getSentMessage();
+
+        // Verify an email was dispatched to the correct user
+        $this->assertNotNull($sentMessage);
+        $this->assertEquals('Test Magento', $sentMessage->getTo()[0]->getName());
+        $this->assertEquals('test@magento.com', $sentMessage->getTo()[0]->getEmail());
+
+        // Assert the email contains the expected content
+        $this->assertEquals('Welcome to Main Website Store', $sentMessage->getSubject());
+        $messageRaw = $sentMessage->getBody()->getParts()[0]->getRawContent();
+        $this->assertStringContainsString('Welcome to Main Website Store.', $messageRaw);
+    }
+
+
+    /**
+     * Test that creating a customer on an alternative store sends an email
+     *
+     * @magentoDataFixture Magento/Store/_files/second_website_with_store_group_and_store.php
+     */
+    public function testCreateCustomerForStoreSendsEmail()
+    {
+        $query
+            = <<<QUERY
+mutation createAccount {
+    createCustomer(
+        input: {
+            email: "test@magento.com"
+            firstname: "Test"
+            lastname: "Magento"
+            password: "T3stP4assw0rd"
+            is_subscribed: false
+        }
+    ) {
+        customer {
+            id
+        }
+    }
+}
+QUERY;
+
+        $response = $this->graphQlRequest->send(
+            $query,
+            [],
+            '',
+            [
+                'Store' => 'fixture_second_store'
+            ]
+        );
+        $responseData = $this->json->unserialize($response->getContent());
+
+        // Assert the response of the GraphQL request
+        $this->assertNull($responseData['data']['createCustomer']['customer']['id']);
+
+        // Verify the customer was created and has the correct data
+        $customer = $this->customerRepository->get('test@magento.com');
+        $this->assertEquals('Test', $customer->getFirstname());
+        $this->assertEquals('Magento', $customer->getLastname());
+        $this->assertEquals('Fixture Second Store', $customer->getCreatedIn());
+
+        $store = $this->storeRepository->getById($customer->getStoreId());
+        $this->assertEquals('fixture_second_store', $store->getCode());
+
+        /** @var TransportBuilderMock $transportBuilderMock */
+        $transportBuilderMock = $this->objectManager->get(TransportBuilderMock::class);
+        $sentMessage = $transportBuilderMock->getSentMessage();
+
+        // Verify an email was dispatched to the correct user
+        $this->assertNotNull($sentMessage);
+        $this->assertEquals('Test Magento', $sentMessage->getTo()[0]->getName());
+        $this->assertEquals('test@magento.com', $sentMessage->getTo()[0]->getEmail());
+
+        // Assert the email contains the expected content
+        $this->assertEquals('Welcome to second store group', $sentMessage->getSubject());
+        $messageRaw = $sentMessage->getBody()->getParts()[0]->getRawContent();
+        $this->assertStringContainsString('Welcome to second store group.', $messageRaw);
+    }
+}