/**
* Check Customer Tax Class and if it is empty - use defaults
*
* @return int|array|null
*/
public function getCustomerTaxClassWithDefault()
{
$customerClasses = $this->getAllOptionsForClass(Mage_Tax_Model_Class::TAX_CLASS_TYPE_CUSTOMER);
if (empty($customerClasses)) {
return null;
}
$configValue = $this->_helper->getDefaultCustomerTaxClass();
if (!empty($configValue)) {
return $configValue;
}
$firstClass = array_shift($customerClasses);
return isset($firstClass['value']) ? $firstClass['value'] : null;
}
/**
* @magentoConfigFixture default_store tax/classes/default_customer_tax_class 1
*/
public function testGetDefaultCustomerTaxClass()
{
$helper = new Mage_Tax_Helper_Data();
$this->assertEquals(1, $helper->getDefaultCustomerTaxClass());
}
