Api-functional tests added

Author: rogyar

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

@@ -0,0 +1,91 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\GraphQl\Quote;
+
+use Magento\Quote\Api\Data\CartInterface;
+use Magento\TestFramework\ObjectManager;
+use Magento\TestFramework\TestCase\GraphQlAbstract;
+use Magento\Quote\Model\QuoteIdMask;
+use Magento\Quote\Api\GuestCartRepositoryInterface;
+
+/**
+ * Test for empty cart creation mutation
+ */
+class CreateEmptyCartTest extends GraphQlAbstract
+{
+    /**
+     * @var QuoteIdMask
+     */
+    private $quoteIdMask;
+
+    /**
+     * @var ObjectManager
+     */
+    private $objectManager;
+
+    /**
+     * @var GuestCartRepositoryInterface
+     */
+    private $guestCartRepository;
+
+    protected function setUp()
+    {
+        $this->objectManager = \Magento\TestFramework\Helper\Bootstrap::getObjectManager();
+        $this->quoteIdMask = $this->objectManager->create(QuoteIdMask::class);
+        $this->guestCartRepository = $this->objectManager->create(GuestCartRepositoryInterface::class);
+    }
+
+    public function testCreateEmptyCartForGuest()
+    {
+        $query = <<<QUERY
+mutation {
+  createEmptyCart
+}
+QUERY;
+        $response = $this->graphQlQuery($query);
+
+        self::assertArrayHasKey('createEmptyCart', $response);
+
+        $maskedCartId = $response['createEmptyCart'];
+        /** @var CartInterface $guestCart */
+        $guestCart = $this->guestCartRepository->get($maskedCartId);
+
+        self::assertNotNull($guestCart->getId());
+        self::assertNull($guestCart->getCustomer()->getId());
+    }
+
+    /**
+     * @magentoApiDataFixture Magento/Customer/_files/customer.php
+     */
+    public function testCreateEmptyCartForRegisteredCustomer()
+    {
+        $query = <<<QUERY
+mutation {
+  createEmptyCart
+}
+QUERY;
+
+        /** @var \Magento\Integration\Api\CustomerTokenServiceInterface $customerTokenService */
+        $customerTokenService = $this->objectManager->create(
+            \Magento\Integration\Api\CustomerTokenServiceInterface::class
+        );
+        $customerToken = $customerTokenService->createCustomerAccessToken('customer@example.com', 'password');
+        $headerMap = ['Authorization' => 'Bearer ' . $customerToken];
+
+        $response = $this->graphQlQuery($query, [], '', $headerMap);
+
+        self::assertArrayHasKey('createEmptyCart', $response);
+
+        $maskedCartId = $response['createEmptyCart'];
+        /* guestCartRepository is used for registered customer to get the cart hash */
+        $guestCart = $this->guestCartRepository->get($maskedCartId);
+
+        self::assertNotNull($guestCart->getId());
+        self::assertEquals(1, $guestCart->getCustomer()->getId());
+    }
+}