/**
* {@inheritdoc}
*/
public function isEligible(ShippingSubjectInterface $subject, array $configuration)
{
$count = $subject->getShippingUnitCount();
if ($configuration['equal']) {
return $count >= $configuration['count'];
}
return $count > $configuration['count'];
}
/**
* {@inheritdoc}
*/
public function calculate(ShippingSubjectInterface $subject, array $configuration)
{
$firstUnitCost = $configuration['first_unit_cost'];
$additionalUnitCost = $configuration['additional_unit_cost'];
$additionalUnitLimit = $configuration['additional_unit_limit'];
$totalUnits = $subject->getShippingUnitCount();
$additionalUnits = $totalUnits - 1;
if (0 !== $additionalUnitLimit) {
$additionalUnits = $additionalUnitLimit >= $additionalUnits ? $additionalUnits : $additionalUnitLimit;
}
return (int) ($firstUnitCost + $additionalUnits * $additionalUnitCost);
}
function it_should_recognize_subject_as_eligible_if_unit_count_is_equal_with_configured_depending_on_equal_setting(ShippingSubjectInterface $subject)
{
$subject->getShippingUnitCount()->shouldBeCalled()->willReturn(10);
$this->isEligible($subject, ['count' => 10, 'equal' => false])->shouldReturn(false);
$this->isEligible($subject, ['count' => 10, 'equal' => true])->shouldReturn(true);
}
/**
* {@inheritdoc}
*/
public function calculate(ShippingSubjectInterface $subject, array $configuration)
{
return (int) ($configuration['amount'] * $subject->getShippingUnitCount());
}
function its_calculated_value_should_be_an_integer(ShippingSubjectInterface $subject)
{
$subject->getShippingUnitCount()->willReturn(6);
$this->calculate($subject, ['amount' => 200])->shouldBeInteger();
}
