function it_calculates_fee_for_given_payment_with_given_configuration(PaymentSubjectInterface $payment)
{
$payment->getAmount()->willReturn(1000);
$this->calculate($payment, array('percent' => 20))->shouldReturn(200);
}
/**
* {@inheritdoc}
*/
public function calculate(PaymentSubjectInterface $payment, array $configuration)
{
return (int) round($configuration['percent'] / 100 * $payment->getAmount());
}
