/**
* @Transform /^"([^"]+)" variant of product "([^"]+)"$/
*/
public function getProductVariantByNameAndProduct($variantName, $productName)
{
$products = $this->productRepository->findByName($productName, 'en_US');
Assert::eq(1, count($products), sprintf('%d products has been found with name "%s".', count($products), $productName));
$productVariants = $this->productVariantRepository->findByNameAndProduct($variantName, 'en_US', $products[0]);
Assert::notEmpty($productVariants, sprintf('Product variant with name "%s" of product "%s" does not exist', $variantName, $productName));
return $productVariants[0];
}