private function isCouponEligibleToLimit(CouponInterface $coupon, PromotionInterface $promotion, UserInterface $user = null)
 {
     if (!$coupon instanceof CouponInterface) {
         return true;
     }
     if (!$coupon->getPerUserUsageLimit()) {
         return true;
     }
     if (null === $user) {
         return true;
     }
     return $this->isCouponEligible($coupon, $promotion, $user);
 }
 public function it_recognizes_subject_as_not_eligible_if_user_not_linked_to_order(OrderInterface $subject, PromotionInterface $promotion, CouponInterface $coupon)
 {
     $subject->getUser()->willReturn(null);
     $coupon->getCode()->willReturn('D0003');
     $coupon->getPerUserUsageLimit()->willReturn(1);
     $coupon->getPromotion()->willReturn($promotion);
     $subject->getPromotionCoupon()->willReturn($coupon);
     $promotion->getRules()->willReturn(array());
     $promotion->getStartsAt()->willReturn(null);
     $promotion->getEndsAt()->willReturn(null);
     $promotion->isCouponBased()->willReturn(true);
     $promotion->hasCoupons()->willReturn(true);
     $promotion->hasCoupon($coupon)->willReturn(true);
     $promotion->getUsageLimit()->willReturn(null);
     $promotion->getCoupons()->willReturn(array($coupon));
     $this->isEligible($subject, $promotion)->shouldReturn(false);
 }