public function it_generates_invoice_number_based_on(OrderInterface $order, PaymentInterface $payment) { $order->getId()->willReturn('001'); $payment->getId()->willReturn('1'); $this->generate($order, $payment)->shouldReturn('001-1'); }
/** * {@inheritdoc} */ public function generate(OrderInterface $order, PaymentInterface $payment) { return $order->getId() . '-' . $payment->getId(); }