MAGETWO-36379: Magento\Quote\Api\GuestCouponManagement

- replaced concrete usage with interface

Author: arkadiych

app/code/Magento/Quote/Model/GuestCart/GuestCouponManagement.php

@@ -4,11 +4,10 @@
  * Copyright © 2015 Magento. All rights reserved.
  * See COPYING.txt for license details.
  */
-
 namespace Magento\Quote\Model\GuestCart;
 
 use Magento\Quote\Api\GuestCouponManagementInterface;
-use Magento\Quote\Model\CouponManagement;
+use Magento\Quote\Api\CouponManagementInterface;
 use Magento\Quote\Model\QuoteIdMask;
 use Magento\Quote\Model\QuoteIdMaskFactory;
 
@@ -23,18 +22,18 @@ class GuestCouponManagement implements GuestCouponManagementInterface
     private $quoteIdMaskFactory;
 
    /**
-     * @var CouponManagement
+     * @var CouponManagementInterface
      */
     private $couponManagement;
 
     /**
      * Constructs a coupon read service object.
      *
-     * @param CouponManagement $couponManagement
+     * @param CouponManagementInterface $couponManagement
      * @param QuoteIdMaskFactory $quoteIdMaskFactory
      */
     public function __construct(
-        CouponManagement $couponManagement,
+        CouponManagementInterface $couponManagement,
         QuoteIdMaskFactory $quoteIdMaskFactory
     ) {
         $this->quoteIdMaskFactory = $quoteIdMaskFactory;

app/code/Magento/Quote/Test/Unit/Model/GuestCart/GuestCouponManagementTest.php

@@ -4,7 +4,6 @@
  * Copyright © 2015 Magento. All rights reserved.
  * See COPYING.txt for license details.
  */
-
 namespace Magento\Quote\Test\Unit\Model\GuestCart;
 
 class GuestCouponManagementTest extends \PHPUnit_Framework_TestCase
@@ -47,7 +46,7 @@ class GuestCouponManagementTest extends \PHPUnit_Framework_TestCase
     protected function setUp()
     {
         $objectManager = new \Magento\Framework\TestFramework\Unit\Helper\ObjectManager($this);
-        $this->couponManagementMock = $this->getMock( 'Magento\Quote\Model\CouponManagement', [], [], '', false);
+        $this->couponManagementMock = $this->getMock( 'Magento\Quote\Api\CouponManagementInterface', [], [], '', false);
 
         $this->couponCode = 'test_coupon_code';
         $this->maskedCartId = 'f216207248d65c789b17be8545e0aa73';