GraphQL GiftMessageGraphQl add coverage for cart

app/code/Magento/GiftMessageGraphQl/Model/Resolver/Cart/GiftMessage.php

@@ -0,0 +1,82 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\GiftMessageGraphQl\Model\Resolver\Cart;
+
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Framework\GraphQl\Config\Element\Field;
+use Magento\Framework\GraphQl\Exception\GraphQlInputException;
+use Magento\Framework\GraphQl\Query\Resolver\ContextInterface;
+use Magento\Framework\GraphQl\Query\Resolver\Value;
+use Magento\Framework\GraphQl\Query\ResolverInterface;
+use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
+use Magento\GiftMessage\Api\CartRepositoryInterface;
+
+/**
+ * Class provides ability to get GiftMessage for cart
+ */
+class GiftMessage implements ResolverInterface
+{
+    /**
+     * @var CartRepositoryInterface
+     */
+    private $cartRepository;
+
+    /**
+     * GiftMessage constructor.
+     *
+     * @param CartRepositoryInterface $cartRepository
+     */
+    public function __construct(
+        CartRepositoryInterface $cartRepository
+    ) {
+        $this->cartRepository = $cartRepository;
+    }
+
+    /**
+     * Return information about Gift message of cart
+     *
+     * @param Field            $field
+     * @param ContextInterface $context
+     * @param ResolveInfo      $info
+     * @param array|null       $value
+     * @param array|null       $args
+     *
+     * @return array|Value|mixed
+     *
+     * @throws GraphQlInputException
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+     */
+    public function resolve(
+        Field $field,
+        $context,
+        ResolveInfo $info,
+        array $value = null,
+        array $args = null
+    ) {
+        if (!isset($value['model'])) {
+            throw new GraphQlInputException(__('"model" value should be specified'));
+        }
+        $cart = $value['model'];
+
+        try {
+            $giftCartMessage = $this->cartRepository->get($cart->getId());
+        } catch (LocalizedException $e) {
+            throw new GraphQlInputException(__('Can\'t load cart.'));
+        }
+
+        if (!isset($giftCartMessage)) {
+            return null;
+        }
+
+        return [
+            'to' => $giftCartMessage->getRecipient() ?? '',
+            'from' =>  $giftCartMessage->getSender() ?? '',
+            'message'=>  $giftCartMessage->getMessage() ?? ''
+        ];
+    }
+}

app/code/Magento/GiftMessageGraphQl/README.md

@@ -0,0 +1,3 @@
+# GiftMessageGraphQl
+
+**GiftMessageGraphQl** provides information about gift messages for cart, cart items, order and order items.

app/code/Magento/GiftMessageGraphQl/composer.json

@@ -0,0 +1,25 @@
+{
+  "name": "magento/module-gift-message-graph-ql",
+  "description": "N/A",
+  "type": "magento2-module",
+  "require": {
+    "php": "~7.3.0||~7.4.0",
+    "magento/framework": "*",
+    "magento/module-gift-message": "*"
+  },
+  "suggest": {
+    "magento/module-graph-ql": "*"
+  },
+  "license": [
+    "OSL-3.0",
+    "AFL-3.0"
+  ],
+  "autoload": {
+    "files": [
+      "registration.php"
+    ],
+    "psr-4": {
+      "Magento\\GiftMessageGraphQl\\": ""
+    }
+  }
+}

app/code/Magento/GiftMessageGraphQl/etc/module.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<!--
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+-->
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
+    <module name="Magento_GiftMessageGraphQl">
+        <sequence>
+            <module name="Magento_GiftMessage"/>
+        </sequence>
+    </module>
+</config>

app/code/Magento/GiftMessageGraphQl/etc/schema.graphqls

@@ -0,0 +1,12 @@
+# Copyright © Magento, Inc. All rights reserved.
+# See COPYING.txt for license details.
+
+type Cart {
+    gift_message: GiftMessage @resolver (class: "\\Magento\\GiftMessageGraphQl\\Model\\Resolver\\Cart\\GiftMessage") @doc(description: "The entered gift message for the cart")
+}
+
+type GiftMessage {
+    to: String! @doc(description: "Recepient name")
+    from: String! @doc(description: "Sender name")
+    message: String! @doc(description: "Gift message text")
+}

app/code/Magento/GiftMessageGraphQl/registration.php

@@ -0,0 +1,13 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+use Magento\Framework\Component\ComponentRegistrar;
+
+ComponentRegistrar::register(
+    ComponentRegistrar::MODULE,
+    'Magento_GiftMessageGraphQl',
+    __DIR__
+);

composer.json

@@ -167,6 +167,7 @@
         "magento/module-encryption-key": "*",
         "magento/module-fedex": "*",
         "magento/module-gift-message": "*",
+        "magento/module-gift-message-graph-ql": "*",
         "magento/module-google-adwords": "*",
         "magento/module-google-analytics": "*",
         "magento/module-google-optimizer": "*",

dev/tests/api-functional/testsuite/Magento/GraphQl/GiftMessage/Cart/GiftMessageTest.php

@@ -0,0 +1,81 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\GraphQl\GiftMessage\Cart;
+
+use Exception;
+use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\GraphQl\Quote\GetMaskedQuoteIdByReservedOrderId;
+use Magento\TestFramework\Helper\Bootstrap;
+use Magento\TestFramework\TestCase\GraphQlAbstract;
+
+class GiftMessageTest extends GraphQlAbstract
+{
+    /**
+     * @var GetMaskedQuoteIdByReservedOrderId
+     */
+    private $getMaskedQuoteIdByReservedOrderId;
+
+    protected function setUp()
+    {
+        $objectManager = Bootstrap::getObjectManager();
+        $this->getMaskedQuoteIdByReservedOrderId = $objectManager->get(GetMaskedQuoteIdByReservedOrderId::class);
+    }
+
+    /**
+     * @magentoApiDataFixture Magento/GiftMessage/_files/quote_with_message.php
+     * @throws NoSuchEntityException
+     * @throws Exception
+     */
+    public function testGiftMessageForCart()
+    {
+        $maskedQuoteId = $this->getMaskedQuoteIdByReservedOrderId->execute('message_order_21');
+        $response = $this->requestCartAndAssertResult($maskedQuoteId);
+        self::assertArrayHasKey('gift_message', $response['cart']);
+        self::assertSame('Mercutio', $response['cart']['gift_message']['to']);
+        self::assertSame('Romeo', $response['cart']['gift_message']['from']);
+        self::assertSame('I thought all for the best.', $response['cart']['gift_message']['message']);
+    }
+
+    /**
+     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/guest/create_empty_cart.php
+     * @magentoApiDataFixture Magento/GraphQl/Catalog/_files/simple_product.php
+     * @throws NoSuchEntityException
+     * @throws Exception
+     */
+    public function testGiftMessageForCartWithoutMessage()
+    {
+        $maskedQuoteId = $this->getMaskedQuoteIdByReservedOrderId->execute('test_quote');
+        $response = $this->requestCartAndAssertResult($maskedQuoteId);
+        self::assertArrayHasKey('gift_message', $response['cart']);
+        self::assertNull($response['cart']['gift_message']);
+    }
+
+    /**
+     * Get Gift Message Assertion
+     *
+     * @param string $quoteId
+     *
+     * @return array
+     * @throws Exception
+     */
+    private function requestCartAndAssertResult(string $quoteId)
+    {
+        $query =  <<<QUERY
+{
+    cart(cart_id: "$quoteId") {
+        gift_message {
+            to
+            from
+            message
+        }
+    }
+}
+QUERY;
+        return $this->graphQlQuery($query);
+    }
+}