ENGCOM-2201: issue/14056 - Coupon API not working for guest user #16562

Author: Stanislav Idolov

app/code/Magento/Quote/Model/CouponManagement.php

@@ -55,6 +55,9 @@ public function set($cartId, $couponCode)
         if (!$quote->getItemsCount()) {
             throw new NoSuchEntityException(__('The "%1" Cart doesn\'t contain products.', $cartId));
         }
+        if (!$quote->getStoreId()) {
+            throw new NoSuchEntityException(__('Cart isn\'t assigned to correct store'));
+        }
         $quote->getShippingAddress()->setCollectShippingRates(true);
 
         try {

app/code/Magento/Quote/Test/Unit/Model/CouponManagementTest.php

@@ -47,6 +47,7 @@ protected function setUp()
                 'save',
                 'getShippingAddress',
                 'getCouponCode',
+                'getStoreId',
                 '__wakeup'
             ]);
         $this->quoteAddressMock = $this->createPartialMock(\Magento\Quote\Model\Quote\Address::class, [
@@ -98,6 +99,9 @@ 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));
@@ -125,6 +129,9 @@ 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));
@@ -144,6 +151,9 @@ 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));