/**
  * @test
  */
 public function it_stores_and_returns_a_cargo()
 {
     $trackingId = $this->cargoRepository->getNextTrackingId();
     $routeSpecification = new RouteSpecification("Hongkong", "Hamburg");
     $cargo = new Cargo\Cargo($trackingId, $routeSpecification);
     $legs = [LegFixture::get(LegFixture::HONGKONG_NEWYORK), LegFixture::get(LegFixture::NEWYORK_HAMBURG)];
     $itinerary = new Cargo\Itinerary($legs);
     $cargo->assignToRoute($itinerary);
     $this->cargoRepository->store($cargo);
     $this->getTestEntityManager()->clear();
     $checkCargo = $this->cargoRepository->get($trackingId);
     $this->assertTrue($cargo->sameIdentityAs($checkCargo));
     $this->assertTrue($itinerary->sameValueAs($checkCargo->itinerary()));
 }
 /**
  * @param string $anOrigin
  * @param string $aDestination
  * @throws \Exception If booking fails
  * @return string TrackingId
  */
 public function bookNewCargo($anOrigin, $aDestination)
 {
     $trackingId = $this->cargoRepository->getNextTrackingId();
     $routeSpecification = new RouteSpecification($anOrigin, $aDestination);
     $cargo = new Cargo($trackingId, $routeSpecification);
     $this->transactionManager->beginTransaction();
     try {
         $this->cargoRepository->store($cargo);
         $this->transactionManager->commit();
         return $trackingId->toString();
     } catch (\Exception $ex) {
         $this->transactionManager->rollback();
         throw $ex;
     }
 }