/**
* {@inheritdoc}
*/
public function calculate(ShipmentInterface $subject)
{
if (null === ($method = $subject->getMethod())) {
throw new UndefinedShippingMethodException('Cannot calculate charge for shipment without a defined shipping method.');
}
/** @var CalculatorInterface $calculator */
$calculator = $this->registry->get($method->getCalculator());
return $calculator->calculate($subject, $method->getConfiguration());
}
function it_should_delegate_calculation_to_a_calculator_defined_on_shipping_method(ServiceRegistryInterface $registry, ShipmentInterface $shipment, ShippingMethodInterface $method, CalculatorInterface $calculator)
{
$shipment->getMethod()->willReturn($method);
$method->getCalculator()->willReturn('default');
$method->getConfiguration()->willReturn([]);
$registry->get('default')->willReturn($calculator);
$calculator->calculate($shipment, [])->shouldBeCalled()->willReturn(1000);
$this->calculate($shipment, [])->shouldReturn(1000);
}