public function testGetAttributeById()
{
/** @var $product \Magento\Catalog\Model\Product */
$product = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create('Magento\\Catalog\\Model\\Product')->load(1);
$this->assertNull($this->_model->getAttributeById(-1, $product));
$this->assertNull($this->_model->getAttributeById(null, $product));
$sku = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->get('Magento\\Eav\\Model\\Config')->getAttribute('catalog_product', 'sku');
$this->assertSame($sku, $this->_model->getAttributeById($sku->getId(), $product));
}
/**
* Retrieve product attribute by identifier
* Difference from abstract: any attribute is available, not just the ones from $product's attribute set
*
* @param int $attributeId
* @param \Magento\Catalog\Model\Product $product
* @return \Magento\Catalog\Model\Resource\Eav\Attribute
*/
public function getAttributeById($attributeId, $product)
{
$attribute = parent::getAttributeById($attributeId, $product);
return $attribute ?: $this->_eavAttributeFactory->create()->load($attributeId);
}
