elmah.ir-post122-code4.cs

[Test]
public void WhenUserPlacesOrderWithItemThatIsInInventoryOrderFulfillmentWorkflowShouldComplete()
{
    //Arrange
    var shoppingCart = new ShoppingCart();
    var itemId = Guid.NewGuid();
    shoppingCart.Items.Add(new ShoppingCartItem { ItemId = itemId, Quantity = 1 });
    var customerId = Guid.NewGuid();
    var customer = new Customer { Id = customerId };
    var orderFulfillmentSessionId = Guid.NewGuid();

    Mock.Arrange(() => _customerService.GetCustomer(customerId)).Returns(customer).OccursOnce();

    Mock.Arrange(() => _orderFulfillmentService.OpenSession(Arg.IsAny(), Arg.IsAny()))
      .Returns(orderFulfillmentSessionId)
      .InOrder();
    Mock.Arrange(() => _orderFulfillmentService.IsInInventory(orderFulfillmentSessionId, itemId, 1))
      .Returns(true)
      .InOrder();
    Mock.Arrange(() => 
      _orderFulfillmentService.
        PlaceOrder(orderFulfillmentSessionId, Arg.IsAny>(), Arg.IsAny()))
      .Returns(true)
      .InOrder();
    Mock.Arrange(() => _orderFulfillmentService.CloseSession(orderFulfillmentSessionId))
      .InOrder();
      
    //Act
    _orderService.PlaceOrder(customerId, shoppingCart);

    //Assert
    Mock.Assert(_orderFulfillmentService);
}