Resolve Export Coupon Code Grid redirect to DashBoard when create New Cart Price Rule issue24468

app/code/Magento/SalesRule/Controller/Adminhtml/Promo/Quote/ExportCouponsCsv.php

@@ -1,33 +1,40 @@
 <?php
 /**
- *
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+
+declare(strict_types=1);
+
 namespace Magento\SalesRule\Controller\Adminhtml\Promo\Quote;
 
 use Magento\Framework\App\Filesystem\DirectoryList;
+use Magento\Framework\Controller\ResultFactory;
+use Magento\SalesRule\Controller\Adminhtml\Promo\Quote;
+use Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Grid;
+use Magento\Framework\View\Result\Layout;
+use Magento\Framework\App\ResponseInterface;
+use Magento\Framework\App\Action\HttpGetActionInterface;
 
-class ExportCouponsCsv extends \Magento\SalesRule\Controller\Adminhtml\Promo\Quote
+/**
+ * Export Coupons to csv file
+ *
+ * Class \Magento\SalesRule\Controller\Adminhtml\Promo\Quote\ExportCouponsCsv
+ */
+class ExportCouponsCsv extends Quote implements HttpGetActionInterface
 {
     /**
      * Export coupon codes as CSV file
      *
-     * @return \Magento\Framework\App\ResponseInterface|null
+     * @return ResponseInterface|null
      */
     public function execute()
     {
         $this->_initRule();
-        $rule = $this->_coreRegistry->registry(\Magento\SalesRule\Model\RegistryConstants::CURRENT_SALES_RULE);
-        if ($rule->getId()) {
-            $fileName = 'coupon_codes.csv';
-            $content = $this->_view->getLayout()->createBlock(
-                \Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Grid::class
-            )->getCsvFile();
-            return $this->_fileFactory->create($fileName, $content, DirectoryList::VAR_DIR);
-        } else {
-            $this->_redirect('sales_rule/*/detail', ['_current' => true]);
-            return;
-        }
+        $fileName = 'coupon_codes.csv';
+        /** @var Layout $resultLayout */
+        $resultLayout = $this->resultFactory->create(ResultFactory::TYPE_LAYOUT);
+        $content = $resultLayout->getLayout()->createBlock(Grid::class)->getCsvFile();
+        return $this->_fileFactory->create($fileName, $content, DirectoryList::VAR_DIR);
     }
 }

app/code/Magento/SalesRule/Controller/Adminhtml/Promo/Quote/ExportCouponsXml.php

@@ -1,35 +1,40 @@
 <?php
 /**
- *
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+
+declare(strict_types=1);
+
 namespace Magento\SalesRule\Controller\Adminhtml\Promo\Quote;
 
 use Magento\Framework\App\Filesystem\DirectoryList;
+use Magento\Framework\Controller\ResultFactory;
+use Magento\SalesRule\Controller\Adminhtml\Promo\Quote;
+use Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Grid;
+use Magento\Framework\View\Result\Layout;
+use Magento\Framework\App\ResponseInterface;
+use Magento\Framework\App\Action\HttpGetActionInterface;
 
-class ExportCouponsXml extends \Magento\SalesRule\Controller\Adminhtml\Promo\Quote
+/**
+ * Export coupons to xml file
+ *
+ * Class \Magento\SalesRule\Controller\Adminhtml\Promo\Quote\ExportCouponsXml
+ */
+class ExportCouponsXml extends Quote implements HttpGetActionInterface
 {
     /**
      * Export coupon codes as excel xml file
      *
-     * @return \Magento\Framework\App\ResponseInterface|null
+     * @return ResponseInterface|null
      */
     public function execute()
     {
         $this->_initRule();
-        $rule = $this->_coreRegistry->registry(\Magento\SalesRule\Model\RegistryConstants::CURRENT_SALES_RULE);
-        if ($rule->getId()) {
-            $fileName = 'coupon_codes.xml';
-            $content = $this->_view->getLayout()->createBlock(
-                \Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Grid::class
-            )->getExcelFile(
-                $fileName
-            );
-            return $this->_fileFactory->create($fileName, $content, DirectoryList::VAR_DIR);
-        } else {
-            $this->_redirect('sales_rule/*/detail', ['_current' => true]);
-            return;
-        }
+        $fileName = 'coupon_codes.xml';
+        /** @var Layout $resultLayout */
+        $resultLayout = $this->resultFactory->create(ResultFactory::TYPE_LAYOUT);
+        $content = $resultLayout->getLayout()->createBlock(Grid::class)->getExcelFile($fileName);
+        return $this->_fileFactory->create($fileName, $content, DirectoryList::VAR_DIR);
     }
 }

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

@@ -0,0 +1,87 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+declare(strict_types=1);
+
+namespace Magento\SalesRule\Test\Unit\Controller\Adminhtml\Promo\Quote;
+
+use Magento\Framework\TestFramework\Unit\Helper\ObjectManager as ObjectManagerHelper;
+use Magento\SalesRule\Controller\Adminhtml\Promo\Quote\ExportCouponsCsv;
+use Magento\Framework\Controller\ResultFactory;
+use Magento\Framework\App\Filesystem\DirectoryList;
+use Magento\Framework\App\Response\Http\FileFactory;
+use Magento\Framework\View\Result\Layout;
+use Magento\Framework\View\LayoutInterface;
+use Magento\Framework\View\Element\AbstractBlock;
+use Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Grid;
+use PHPUnit\Framework\TestCase;
+
+class ExportCouponsCsvTest extends TestCase
+{
+    /**
+     * @var ExportCouponsCsv
+     */
+    private $controller;
+
+    /**
+     * @var FileFactory|\PHPUnit_Framework_MockObject_MockObject
+     */
+    private $fileFactoryMock;
+
+    /**
+     * @var ObjectManagerHelper
+     */
+    private $objectManagerHelper;
+
+    /**
+     * @var ResultFactory|\PHPUnit_Framework_MockObject_MockObject
+     */
+    private $resultFactoryMock;
+
+    /**
+     * Setup environment
+     */
+    protected function setUp()
+    {
+        $this->objectManagerHelper = new ObjectManagerHelper($this);
+        $this->fileFactoryMock = $this->createMock(FileFactory::class);
+        $this->resultFactoryMock = $this->createMock(ResultFactory::class);
+
+        $this->controller = $this->objectManagerHelper->getObject(
+            ExportCouponsCsv::class,
+            [
+                'fileFactory' => $this->fileFactoryMock,
+                'resultFactory' => $this->resultFactoryMock
+            ]
+        );
+    }
+
+    /**
+     * Test execute function
+     */
+    public function testExecute()
+    {
+        $fileName = 'coupon_codes.csv';
+
+        $resultLayoutMock = $this->createMock(Layout::class);
+        $layoutMock = $this->createMock(LayoutInterface::class);
+        $contentMock = $this->createPartialMock(AbstractBlock::class, ['getCsvFile']);
+        $this->resultFactoryMock
+            ->expects($this->once())
+            ->method('create')
+            ->with(ResultFactory::TYPE_LAYOUT)->willReturn($resultLayoutMock);
+        $resultLayoutMock->expects($this->once())->method('getLayout')->willReturn($layoutMock);
+        $layoutMock->expects($this->once())->method('createBlock')->with(Grid::class)
+            ->willReturn($contentMock);
+        $contentMock->expects($this->once())->method('getCsvFile')->willReturn('csvFile');
+        $this->fileFactoryMock
+            ->expects($this->once())
+            ->method('create')
+            ->with($fileName, 'csvFile', DirectoryList::VAR_DIR);
+
+        $this->controller->execute();
+    }
+}

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

@@ -0,0 +1,89 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+declare(strict_types=1);
+
+namespace Magento\SalesRule\Test\Unit\Controller\Adminhtml\Promo\Quote;
+
+use Magento\Framework\TestFramework\Unit\Helper\ObjectManager as ObjectManagerHelper;
+use Magento\SalesRule\Controller\Adminhtml\Promo\Quote\ExportCouponsXml;
+use Magento\Framework\Controller\ResultFactory;
+use Magento\Framework\App\Filesystem\DirectoryList;
+use Magento\Framework\App\Response\Http\FileFactory;
+use Magento\Framework\View\Result\Layout;
+use Magento\Framework\View\LayoutInterface;
+use Magento\Framework\View\Element\AbstractBlock;
+use Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Grid;
+use PHPUnit\Framework\TestCase;
+
+class ExportCouponsXmlTest extends TestCase
+{
+    /**
+     * @var ExportCouponsXml
+     */
+    private $controller;
+
+    /**
+     * @var FileFactory|\PHPUnit_Framework_MockObject_MockObject
+     */
+    private $fileFactoryMock;
+
+    /**
+     * @var ObjectManagerHelper
+     */
+    private $objectManagerHelper;
+
+    /**
+     * @var ResultFactory|\PHPUnit_Framework_MockObject_MockObject
+     */
+    private $resultFactoryMock;
+
+    /**
+     * Setup environment
+     */
+    protected function setUp()
+    {
+        $this->objectManagerHelper = new ObjectManagerHelper($this);
+        $this->fileFactoryMock = $this->createMock(FileFactory::class);
+        $this->resultFactoryMock = $this->createMock(ResultFactory::class);
+
+        $this->controller = $this->objectManagerHelper->getObject(
+            ExportCouponsXml::class,
+            [
+                'fileFactory' => $this->fileFactoryMock,
+                'resultFactory' => $this->resultFactoryMock
+            ]
+        );
+    }
+
+    /**
+     * Test execute function
+     */
+    public function testExecute()
+    {
+        $fileName = 'coupon_codes.xml';
+
+        $resultLayoutMock = $this->createMock(Layout::class);
+        $layoutMock = $this->createMock(LayoutInterface::class);
+        $contentMock = $this->createPartialMock(AbstractBlock::class, ['getExcelFile']);
+        $this->resultFactoryMock
+            ->expects($this->once())
+            ->method('create')
+            ->with(ResultFactory::TYPE_LAYOUT)->willReturn($resultLayoutMock);
+        $resultLayoutMock->expects($this->once())->method('getLayout')->willReturn($layoutMock);
+        $layoutMock->expects($this->once())->method('createBlock')->with(Grid::class)
+            ->willReturn($contentMock);
+        $contentMock->expects($this->once())->method('getExcelFile')
+            ->with($fileName)
+            ->willReturn('xmlFile');
+        $this->fileFactoryMock
+            ->expects($this->once())
+            ->method('create')
+            ->with($fileName, 'xmlFile', DirectoryList::VAR_DIR);
+
+        $this->controller->execute();
+    }
+}