ACP2E-2519: The coupon code count does not update in the Time Used column in the Manage Coupon Codes tab if an order is placed with multi-shipping.

Author: Chhandak.Barua

app/code/Magento/SalesRule/Test/Unit/plugin/CouponUsageIncreamentForMultishippingTest.php

@@ -0,0 +1,104 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\SalesRule\Test\Unit\Model\Plugin;
+
+use Magento\Framework\TestFramework\Unit\Helper\ObjectManager as ObjectManagerHelper;
+use Magento\Quote\Model\Quote;
+use Magento\Quote\Model\QuoteRepository;
+use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\TestCase;
+use Magento\SalesRule\Model\Coupon\Quote\UpdateCouponUsages;
+use Magento\Multishipping\Model\Checkout\Type\Multishipping\PlaceOrderDefault;
+use Magento\Sales\Model\Order;
+use Magento\SalesRule\Plugin\CouponUsagesIncrementMultishipping;
+
+class CouponUsageIncreamentForMultishippingTest extends TestCase
+{
+    /**
+     * @var PlaceOrderDefault|MockObject
+     */
+    private $subjectMock;
+
+    /**
+     * @var UpdateCouponUsages|MockObject
+     */
+    private $updateCouponUsagesMock;
+
+    /**
+     * @var QuoteRepository|MockObject
+     */
+    private $quoteRepositoryMock;
+
+    /**
+     * @var Order[]|MockObject
+     */
+    private $orderMock;
+
+    /**
+     * @var CouponUsagesIncrementMultishipping
+     */
+    private $plugin;
+
+    /**
+     * Set Up
+     */
+    protected function setUp(): void
+    {
+        $this->objectManagerHelper = new ObjectManagerHelper($this);
+        $this->subjectMock = $this->getMockBuilder(PlaceOrderDefault::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+        $this->updateCouponUsagesMock = $this->getMockBuilder(UpdateCouponUsages::class)
+            ->disableOriginalConstructor()
+            ->onlyMethods(['execute'])
+            ->getMock();
+        $this->quoteRepositoryMock = $this->getMockBuilder(QuoteRepository::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+        $this->orderMock = $this->getMockBuilder(Order::class)
+            ->onlyMethods(['getQuoteId'])
+            ->disableOriginalConstructor()
+            ->getMock();
+        $this->plugin = $this->objectManagerHelper->getObject(
+            CouponUsagesIncrementMultishipping::class,
+            [
+                'updateCouponUsages' => $this->updateCouponUsagesMock,
+                'quoteRepository' => $this->quoteRepositoryMock
+            ]
+        );
+    }
+    /**
+     * Testing Increments number of coupon usages before placing order
+     */
+    public function testAroundPlace()
+    {
+        $couponCode = 'coupon code';
+        $proceed = function ($orderMock) {
+            return $orderMock;
+        };
+        /** @var Quote|MockObject $quote */
+        $quoteMock = $this->getMockBuilder(Quote::class)
+            ->disableOriginalConstructor()
+            ->addMethods(['getCouponCode'])
+            ->onlyMethods(['dataHasChangedFor'])
+            ->getMock();
+        $this->orderMock->expects($this->once())->method('getQuoteId')
+            ->willReturn(1);
+
+        $this->quoteRepositoryMock->expects($this->once())->method('get')->with(1)->willReturn($quoteMock);
+        $quoteMock->expects($this->once())->method('getCouponCode')->willReturn($couponCode);
+        $quoteMock->expects($this->any())->method('dataHasChangedFor')->with($couponCode)->willReturn(true);
+        $this->updateCouponUsagesMock
+            ->expects($this->once())
+            ->method('execute');
+        $this->assertSame(
+            [$this->orderMock],
+            $this->plugin->aroundPlace($this->subjectMock, $proceed, [$this->orderMock])
+        );
+    }
+}