/**
* Save data for product relations
*
* @param \Magento\Catalog\Model\Product $product
* @return $this
*/
public function saveProductRelations($product)
{
$this->saveProductLinks->execute(\Magento\Catalog\Api\Data\ProductInterface::class, $product);
return $this;
}
public function testSaveProductRelations()
{
$product = $this->getMockBuilder('Magento\\Catalog\\Model\\Product')->disableOriginalConstructor()->getMock();
$this->saveProductLinksMock->expects($this->once())->method('execute')->with(\Magento\Catalog\Api\Data\ProductInterface::class, $product);
$this->model->saveProductRelations($product);
}