/** * @magentoAppIsolation enabled */ public function testGetPlaceholder() { /** @var $model \Magento\Catalog\Model\Product */ $model = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create('Magento\\Catalog\\Model\\Product'); $this->_helper->init($model, 'image'); $placeholder = $this->_helper->getPlaceholder(); $this->assertEquals('Magento_Catalog::images/product/placeholder/image.jpg', $placeholder); // test that placeholder doesn't change, once initialized $model->setDestinationSubDir('other_image'); $this->assertEquals($placeholder, $this->_helper->getPlaceholder()); }