ACP2E-1053: Generate coupon codes ignores Code Length

 - Fixed the unit test failure.

Author: devarul

app/code/Magento/SalesRule/Test/Unit/Controller/Adminhtml/Promo/Quote/GenerateTest.php

@@ -25,7 +25,7 @@
 use Magento\SalesRule\Model\Rule;
 use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
-
+use Magento\SalesRule\Model\Quote\ValidateCouponLengthWithQuantityInterface;
 /**
  * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
  */
@@ -70,6 +70,11 @@ class GenerateTest extends TestCase
     /** @var  CouponGenerationSpecInterfaceFactory|MockObject */
     private $couponGenerationSpec;
 
+    /**
+     * @var ValidateCouponLengthWithQuantityInterface|MockObject
+     */
+    private $validateCouponLengthWithQuantity;
+
     /**
      * Test setup
      */
@@ -121,6 +126,11 @@ protected function setUp(): void
         $this->couponGenerationSpec = $this->getMockBuilder(CouponGenerationSpecInterfaceFactory::class)
             ->disableOriginalConstructor()
             ->getMock();
+        $this->validateCouponLengthWithQuantity = $this->getMockBuilder(
+            ValidateCouponLengthWithQuantityInterface::class
+        )
+            ->disableOriginalConstructor()
+            ->getMock();
 
         $this->objectManagerHelper = new ObjectManagerHelper($this);
         $this->model = $this->objectManagerHelper->getObject(
@@ -131,7 +141,8 @@ protected function setUp(): void
                 'fileFactory' => $this->fileFactoryMock,
                 'dateFilter' => $this->dateMock,
                 'couponGenerator' => $this->couponGenerator,
-                'generationSpecFactory' => $this->couponGenerationSpec
+                'generationSpecFactory' => $this->couponGenerationSpec,
+                'validateCouponLengthWithQuantity' => $this->validateCouponLengthWithQuantity
             ]
         );
     }
@@ -170,14 +181,17 @@ public function testExecuteWithCouponTypeAuto()
         $ruleMock->expects($this->once())
             ->method('getCouponType')
             ->willReturn(\Magento\SalesRule\Model\Rule::COUPON_TYPE_AUTO);
-        $this->requestMock->expects($this->once())
+        $this->requestMock->expects($this->exactly(3))
             ->method('getParams')
             ->willReturn($requestData);
         $requestData['quantity'] = isset($requestData['qty']) ? $requestData['qty'] : null;
         $this->couponGenerationSpec->expects($this->once())
             ->method('create')
             ->with(['data' => $requestData])
             ->willReturn(['some_data', 'some_data_2']);
+        $this->validateCouponLengthWithQuantity->expects($this->once())
+            ->method('validateCouponCodeLengthWithQuantity')
+            ->willReturn(10);
         $this->messageManager->expects($this->once())
             ->method('addSuccessMessage');
         $this->responseMock->expects($this->once())
@@ -242,7 +256,10 @@ public function testExecuteWithAutoGenerationEnabled()
         $ruleMock->expects($this->once())
             ->method('getUseAutoGeneration')
             ->willReturn(1);
-        $this->requestMock->expects($this->once())
+        $this->validateCouponLengthWithQuantity->expects($this->once())
+            ->method('validateCouponCodeLengthWithQuantity')
+            ->willReturn(10);
+        $this->requestMock->expects($this->exactly(3))
             ->method('getParams')
             ->willReturn($requestData);
         $requestData['quantity'] = isset($requestData['qty']) ? $requestData['qty'] : null;
@@ -291,7 +308,7 @@ public function testExecuteWithCouponTypeNotAutoAndAutoGenerationNotEnabled()
         $this->objectManagerMock->expects($this->any())
             ->method('get')
             ->with(Data::class)
-        ->willReturn($helperData);
+            ->willReturn($helperData);
         $this->requestMock->expects($this->once())
             ->method('isAjax')
             ->willReturn(true);