From 6ad9c03bead4c56831f08c1af13f7cd3a53b163a 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 87398ad36cfab..a46cc344cadb7 100644
--- a/app/code/Magento/Quote/Model/CouponManagement.php
+++ b/app/code/Magento/Quote/Model/CouponManagement.php
@@ -56,6 +56,9 @@ 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 8b7bb58d4bd90d426d8166e304801ab04e06fa18 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 27824ed44ef3f..444d7ced635d7 100644
--- a/app/code/Magento/Quote/Test/Unit/Model/CouponManagementTest.php
+++ b/app/code/Magento/Quote/Test/Unit/Model/CouponManagementTest.php
@@ -49,6 +49,7 @@ protected function setUp()
                 'save',
                 'getShippingAddress',
                 'getCouponCode',
+                'getStoreId',
                 '__wakeup'
             ]);
         $this->quoteAddressMock = $this->createPartialMock(\Magento\Quote\Model\Quote\Address::class, [
@@ -100,6 +101,9 @@ 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));
@@ -127,6 +131,9 @@ 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));
@@ -146,6 +153,9 @@ 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));