/**
* @dataProvider attributeValueDataProvider
*/
public function testValidate($data)
{
$this->_attribute->expects($this->atLeastOnce())->method('getAttributeCode')->will($this->returnValue('code'));
$product = new \Magento\Framework\DataObject(['code' => $data]);
$this->_model->validate($product);
$this->assertEquals('1,2,3', $product->getCode());
}
