From 03b7b5ec2b03cf6e48628d44083a385006bbf61d Mon Sep 17 00:00:00 2001
From: mdykas <mdykas@divante.pl>
Date: Fri, 18 May 2018 15:40:01 +0200
Subject: [PATCH 1/2] issue/14056 - Coupon API not working for guest user

---
 app/code/Magento/Quote/Model/CouponManagement.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/code/Magento/Quote/Model/CouponManagement.php b/app/code/Magento/Quote/Model/CouponManagement.php
index 7701e41e0b55a..8b06261685a4c 100644
--- a/app/code/Magento/Quote/Model/CouponManagement.php
+++ b/app/code/Magento/Quote/Model/CouponManagement.php
@@ -55,6 +55,9 @@ public function set($cartId, $couponCode)
         if (!$quote->getItemsCount()) {
             throw new NoSuchEntityException(__('Cart %1 doesn\'t contain products', $cartId));
         }
+        if (!$quote->getStoreId()) {
+            throw new NoSuchEntityException(__('Cart isn\'t assigned to correct store'));
+        }
         $quote->getShippingAddress()->setCollectShippingRates(true);
 
         try {

From bc749b0b7045ea1e275940f80cc164a53755988f Mon Sep 17 00:00:00 2001
From: mdykas <mdykas@divante.pl>
Date: Thu, 24 May 2018 14:49:35 +0200
Subject: [PATCH 2/2] issue/14056 - Coupon API not working for guest user -
 adjusted unit tests

---
 .../Quote/Test/Unit/Model/CouponManagementTest.php     | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/app/code/Magento/Quote/Test/Unit/Model/CouponManagementTest.php b/app/code/Magento/Quote/Test/Unit/Model/CouponManagementTest.php
index a3783dc380fd7..4418ea8d5e1c2 100644
--- a/app/code/Magento/Quote/Test/Unit/Model/CouponManagementTest.php
+++ b/app/code/Magento/Quote/Test/Unit/Model/CouponManagementTest.php
@@ -51,6 +51,7 @@ protected function setUp()
                 'save',
                 'getShippingAddress',
                 'getCouponCode',
+                'getStoreId',
                 '__wakeup'
             ],
             [],
@@ -112,6 +113,9 @@ public function testSetWhenCouldNotApplyCoupon()
         $cartId = 33;
         $couponCode = '153a-ABC';
 
+        $this->storeMock->expects($this->any())->method('getId')->will($this->returnValue(1));
+        $this->quoteMock->expects($this->once())->method('getStoreId')->willReturn($this->returnValue(1));
+
         $this->quoteRepositoryMock->expects($this->once())
             ->method('getActive')->with($cartId)->will($this->returnValue($this->quoteMock));
         $this->quoteMock->expects($this->once())->method('getItemsCount')->will($this->returnValue(12));
@@ -139,6 +143,9 @@ public function testSetWhenCouponCodeIsInvalid()
         $cartId = 33;
         $couponCode = '153a-ABC';
 
+        $this->storeMock->expects($this->any())->method('getId')->will($this->returnValue(1));
+        $this->quoteMock->expects($this->once())->method('getStoreId')->willReturn($this->returnValue(1));
+
         $this->quoteRepositoryMock->expects($this->once())
             ->method('getActive')->with($cartId)->will($this->returnValue($this->quoteMock));
         $this->quoteMock->expects($this->once())->method('getItemsCount')->will($this->returnValue(12));
@@ -158,6 +165,9 @@ public function testSet()
         $cartId = 33;
         $couponCode = '153a-ABC';
 
+        $this->storeMock->expects($this->any())->method('getId')->will($this->returnValue(1));
+        $this->quoteMock->expects($this->once())->method('getStoreId')->willReturn($this->returnValue(1));
+
         $this->quoteRepositoryMock->expects($this->once())
             ->method('getActive')->with($cartId)->will($this->returnValue($this->quoteMock));
         $this->quoteMock->expects($this->once())->method('getItemsCount')->will($this->returnValue(12));