magento/magento2#: Unit test for \Magento\Bundle\Observer\InitOptionRendererObserver

Author: atwixfirster

app/code/Magento/Bundle/Observer/InitOptionRendererObserver.php

@@ -5,20 +5,25 @@
  */
 namespace Magento\Bundle\Observer;
 
+use Magento\Bundle\Helper\Catalog\Product\Configuration;
+use Magento\Framework\Event\Observer;
 use Magento\Framework\Event\ObserverInterface;
 
+/**
+ * Initiates render options
+ */
 class InitOptionRendererObserver implements ObserverInterface
 {
     /**
      * Initialize product options renderer with bundle specific params
      *
-     * @param \Magento\Framework\Event\Observer $observer
+     * @param Observer $observer
      * @return $this
      */
-    public function execute(\Magento\Framework\Event\Observer $observer)
+    public function execute(Observer $observer)
     {
         $block = $observer->getBlock();
-        $block->addOptionsRenderCfg('bundle', \Magento\Bundle\Helper\Catalog\Product\Configuration::class);
+        $block->addOptionsRenderCfg('bundle', Configuration::class);
         return $this;
     }
 }

app/code/Magento/Bundle/Test/Unit/Observer/InitOptionRendererObserverTest.php

@@ -0,0 +1,81 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+namespace Magento\Bundle\Test\Unit\Observer;
+
+use Magento\Bundle\Observer\InitOptionRendererObserver;
+use Magento\Framework\Event\Observer;
+use Magento\Framework\TestFramework\Unit\Helper\ObjectManager;
+use Magento\Wishlist\Block\Customer\Wishlist\Item\Options;
+use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Test class for \Magento\Bundle\Observer\InitOptionRendererObserver
+ */
+class InitOptionRendererObserverTest extends TestCase
+{
+    /**
+     * @var Options|MockObject
+     */
+    private $blockMock;
+
+    /**
+     * Object Manager Instance
+     *
+     * @var ObjectManager
+     */
+    private $objectManager;
+
+    /**
+     * Testable Object
+     *
+     * @var InitOptionRendererObserver
+     */
+    private $observer;
+
+    /**
+     * @var Observer|MockObject
+     */
+    private $observerMock;
+
+    /**
+     * @inheritdoc
+     */
+    protected function setUp() : void
+    {
+        $this->objectManager = new ObjectManager($this);
+        $this->observerMock = $this->getMockBuilder(Observer::class)
+            ->disableOriginalConstructor()
+            ->setMethods(['getBlock'])
+            ->getMock();
+
+        $this->blockMock = $this->getMockBuilder(Options::class)
+            ->disableOriginalConstructor()
+            ->setMethods(['addOptionsRenderCfg'])
+            ->getMock();
+
+        $this->observer = $this->objectManager->getObject(InitOptionRendererObserver::class);
+    }
+
+    /**
+     * Test observer execute method
+     */
+    public function testProductOptionRendererInit()
+    {
+        $this->observerMock
+            ->expects($this->once())
+            ->method('getBlock')
+            ->willReturn($this->blockMock);
+
+        $this->blockMock
+            ->expects($this->once())
+            ->method('addOptionsRenderCfg')
+            ->willReturn($this->blockMock);
+
+        $this->observer->execute($this->observerMock);
+    }
+}