MC-37653: New/Edit Dynamic Block with Different User Role

Author: yelahin-serhiy

app/code/Magento/PageBuilder/Test/Unit/Model/PreviewTest.php

@@ -0,0 +1,84 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\PageBuilder\Test\Unit\Model;
+
+use Magento\Framework\App\Config\ScopeConfigInterface;
+use Magento\Framework\App\State;
+use Magento\Framework\View\Design\Theme\ThemeProviderInterface;
+use Magento\Framework\View\DesignInterface;
+use Magento\PageBuilder\Model\Stage\Preview;
+use Magento\Store\Model\App\Emulation;
+use Magento\Store\Model\Store;
+use Magento\Store\Model\StoreManagerInterface;
+use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Test for Page Builder Stage Preview Model.
+ */
+class PreviewTest extends TestCase
+{
+    /**
+     * @var Preview
+     */
+    private $model;
+
+    /**
+     * @var Emulation|MockObject
+     */
+    private $emulation;
+
+    /**
+     * @var StoreManagerInterface|MockObject
+     */
+    private $storeManagerInterface;
+
+    /**
+     * @inheritdoc
+     */
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->storeManagerInterface = $this->createMock(StoreManagerInterface::class);
+        $this->emulation = $this->createMock(Emulation::class);
+        $this->model = new Preview(
+            $this->emulation,
+            $this->createMock(State::class),
+            $this->createMock(DesignInterface::class),
+            $this->createMock(ThemeProviderInterface::class),
+            $this->storeManagerInterface,
+            $this->createMock(ScopeConfigInterface::class)
+        );
+    }
+
+    /**
+     * Checks that method works properly even if the getDefaultStoreView returns null
+     *
+     * @return void
+     * @throws \Exception
+     */
+    public function testStartPreviewModeWithEmptyDefaultStoreView(): void
+    {
+        $callback = function () {
+        };
+        $storeId = 2;
+        $store = $this->createMock(Store::class);
+        $store->method('getId')
+            ->willReturn($storeId);
+        $this->storeManagerInterface->method('getDefaultStoreView')
+            ->willReturn(null);
+        $this->storeManagerInterface->expects($this->once())
+            ->method('getStores')
+            ->willReturn([$store]);
+        $this->emulation->expects($this->once())
+            ->method('startEnvironmentEmulation')
+            ->with($storeId);
+        $this->model->startPreviewMode($callback);
+    }
+}