Add draft orders cart attr test

tests/Services/DraftOrderTest.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace BoldApps\Common\Test\Services\Shopify;
+
+use PHPUnit\Framework\TestCase;
+use BoldApps\ShopifyToolkit\Models\Cart\Cart as CartModel;
+use BoldApps\ShopifyToolkit\Services\Cart as CartService;
+use BoldApps\ShopifyToolkit\Services\DraftOrder as DraftOrderService;
+use BoldApps\ShopifyToolkit\Services\Client as ShopifyClient;
+use BoldApps\ShopifyToolkit\Services\DraftOrderLineItem as DraftOrderLineItemService;
+use BoldApps\ShopifyToolkit\Services\TaxLine as TaxLineService;
+use BoldApps\ShopifyToolkit\Services\DraftOrderAppliedDiscount as AppliedDiscountService;
+
+/**
+ * Class DraftOrderTest.
+ */
+class DraftOrderTest extends TestCase
+{
+    protected function setUp()
+    {
+        $mockShopifyClient = $this->createMock(ShopifyClient::class);
+
+        $cartService = new CartService($mockShopifyClient);
+        $this->cart = $cartService->unserializeModel([
+            'items' => [],
+            'attributes' => ['cool' => 'yes'],
+        ], CartModel::class);
+
+        $mockDraftOrderLineItemService = $this->createMock(DraftOrderLineItemService::class);
+        $mockTaxLineService = $this->createMock(TaxLineService::class);
+        $mockAppliedDiscountService = $this->createMock(AppliedDiscountService::class);
+
+        $this->draftOrderService = new DraftOrderService(
+            $mockShopifyClient,
+            $mockTaxLineService,
+            $mockDraftOrderLineItemService,
+            $mockAppliedDiscountService
+        );
+    }
+
+    public function testCreateDraftOrderFromCartCarriesOverCartAttributes()
+    {
+        $draftOrder = $this->draftOrderService->createDraftOrderFromCart($this->cart);
+        $result = $draftOrder->getNoteAttributes();
+        $expected = [['name' => 'cool', 'value' => 'yes']];
+        $this->assertSame($expected, $result);
+    }
+}