/**
* @param string $type
* @param string $expectedFile
* @return string
*
* @dataProvider getPlaceholderImageUrlDataProvider
* @magentoAppIsolation enabled
*/
public function testGetPlaceholderImageUrl($type, $expectedFile)
{
$objectManager = \Magento\TestFramework\Helper\Bootstrap::getObjectManager();
\Magento\TestFramework\Helper\Bootstrap::getInstance()->loadArea(\Magento\Backend\App\Area\FrontNameResolver::AREA_CODE);
$objectManager->get('Magento\\Framework\\View\\DesignInterface')->setDesignTheme('Magento/backend');
$expectedFilePath = "/adminhtml/Magento/backend/en_US/{$expectedFile}";
$url = $this->_model->getPlaceholderImageUrl($type);
$this->assertStringEndsWith($expectedFilePath, $url);
}
