MC-37891: Create automated test for "Delete Widget"

Author: IvanPletnyov

dev/tests/integration/testsuite/Magento/Widget/Controller/Adminhtml/Widget/Instance/DeleteTest.php

@@ -0,0 +1,56 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\Widget\Controller\Adminhtml\Widget\Instance;
+
+use Magento\Framework\App\Request\Http;
+use Magento\Framework\Message\MessageInterface;
+use Magento\TestFramework\TestCase\AbstractBackendController;
+use Magento\Widget\Model\ResourceModel\Widget\Instance\CollectionFactory;
+
+/**
+ * Test for delete widget controller
+ *
+ * @see \Magento\Widget\Controller\Adminhtml\Widget\Instance\Delete
+ * @magentoAppArea adminhtml
+ * @magentoDbIsolation enabled
+ */
+class DeleteTest extends AbstractBackendController
+{
+    /** @var CollectionFactory */
+    private $collectionFactory;
+
+    /**
+     * @inheritdoc
+     */
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->collectionFactory = $this->_objectManager->get(CollectionFactory::class);
+    }
+
+    /**
+     * @magentoDataFixture Magento/Widget/_files/new_widget.php
+     *
+     * @return void
+     */
+    public function testDeleteWidget(): void
+    {
+        $widget = $this->collectionFactory->create()
+            ->addFieldToFilter('title', 'New Sample widget title')->getFirstItem();
+        $this->assertNotNull($widget->getInstanceId());
+        $this->getRequest()->setMethod(Http::METHOD_POST);
+        $this->getRequest()->setParams(['instance_id' => $widget->getInstanceId()]);
+        $this->dispatch('backend/admin/widget_instance/delete');
+        $this->assertSessionMessages(
+            $this->containsEqual((string)__('The widget instance has been deleted.')),
+            MessageInterface::TYPE_SUCCESS
+        );
+        $this->assertRedirect($this->stringContains('admin/widget_instance/index'));
+    }
+}

dev/tests/integration/testsuite/Magento/Widget/_files/new_widget_rollback.php

@@ -0,0 +1,21 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+use Magento\TestFramework\Helper\Bootstrap;
+use Magento\Widget\Model\ResourceModel\Widget\Instance;
+use Magento\Widget\Model\ResourceModel\Widget\Instance\CollectionFactory;
+
+$objectManager = Bootstrap::getObjectManager();
+/** @var CollectionFactory $collectionFactory */
+$collectionFactory = $objectManager->get(CollectionFactory::class);
+/** @var Instance $widgetResourceModel */
+$widgetResourceModel = $objectManager->get(Instance::class);
+
+$widget = $collectionFactory->create()->addFieldToFilter('title', 'New Sample widget title')->getFirstItem();
+if ($widget->getInstanceId()) {
+    $widgetResourceModel->delete($widget);
+}