public void WhenUserPlacesACorrectOrderThenAnOrderNumberShouldBeReturned()
{
//Arrange
var shoppingCart = new ShoppingCart();
var itemId = Guid.NewGuid();
shoppingCart.Items.Add(new ShoppingCartItem {
ItemId = itemId, Quantity = 1
});
var customerId = Guid.NewGuid();
var expectedOrderId = Guid.NewGuid();
var orderFulfillmentSessionId = Guid.NewGuid();
var customer = new Customer {
Id = customerId
};
//Mock.Arrange command makes this orderDataService mock object into a stub.
// Arg.IsAny<Order>()) is a matcher, not with any specific functionality,
//orther than being an object of Order.
Mock.Arrange(() => orderDataService.Save(Arg.IsAny <Order>()))
.Returns(expectedOrderId)
.OccursOnce();
Mock.Arrange(() => customerService
.GetCustomer(customerId)).Returns(customer).OccursOnce();
Mock.Arrange(() => orderFulfillmentService
.OpenSession(Arg.IsAny <string>(), Arg.IsAny <string>()))
.Returns(orderFulfillmentSessionId);
// IsInInventory method is called with the expected item id (the same itemId in the shopping cart). If two itemsIds are different, the test will fail.
Mock.Arrange(() => orderFulfillmentService
.IsInInventory(orderFulfillmentSessionId, itemId, 1))
.Returns(true)
.OccursOnce();
Mock.Arrange(() => orderFulfillmentService
.PlaceOrder(orderFulfillmentSessionId, Arg.IsAny <IDictionary <Guid, int> >(), Arg.IsAny <string>()))
.Returns(true);
Mock.Arrange(() => orderFulfillmentService
.CloseSession(orderFulfillmentSessionId));
//Act
var result = orderService.PlaceOrder(customerId, shoppingCart);
//Assert
Assert.That(expectedOrderId, Is.EqualTo(result));
Mock.Assert(orderDataService);
Mock.Assert(orderFulfillmentService);
}
public void WhenUserPlacesACorrectOrderWithMoreThenOneItemThenAnOrderNumberShouldBeReturned()
{
//Arrange
var shoppingCart = new ShoppingCart();
var itemOneId = Guid.NewGuid();
var itemTwoId = Guid.NewGuid();
int itemOneQuantity = 1;
int itemTwoQuantity = 4;
shoppingCart.Items.Add(new ShoppingCartItem {
ItemId = itemOneId, Quantity = itemOneQuantity
});
shoppingCart.Items.Add(new ShoppingCartItem {
ItemId = itemTwoId, Quantity = itemTwoQuantity
});
var customerId = Guid.NewGuid();
var expectedOrderId = Guid.NewGuid();
var orderFulfillmentSessionId = Guid.NewGuid();
var customer = new Customer {
Id = customerId
};
Mock.Arrange(() => _orderDataService.Save(Arg.IsAny <Order>()))
.Returns(expectedOrderId)
.OccursOnce();
Mock.Arrange(() => _customerService.GetCustomer(customerId)).Returns(customer).OccursOnce();
Mock.Arrange(() => _orderFulfillmentService.OpenSession(Arg.IsAny <string>(), Arg.IsAny <string>()))
.Returns(orderFulfillmentSessionId);
Mock.Arrange(() => _orderFulfillmentService.IsInInventory(orderFulfillmentSessionId, itemOneId, itemOneQuantity))
.Returns(true)
.OccursOnce();
Mock.Arrange(() => _orderFulfillmentService.IsInInventory(orderFulfillmentSessionId, itemTwoId, itemTwoQuantity))
.Returns(true)
.OccursOnce();
Mock.Arrange(() =>
_orderFulfillmentService.
PlaceOrder(orderFulfillmentSessionId, Arg.IsAny <IDictionary <Guid, int> >(), Arg.IsAny <string>()))
.Returns(true);
//Act
var result = _orderService.PlaceOrder(customerId, shoppingCart);
//Assert
Assert.AreEqual(expectedOrderId, result);
Mock.Assert(_orderDataService);
Mock.Assert(_orderFulfillmentService);
}
private Dictionary <Guid, int> CheckInventoryLevels(Guid orderFulfillmentSessionId, ShoppingCart shoppingCart)
{
var itemsInInventory = shoppingCart.Items.Where(item => _orderFulfillmentService.IsInInventory(orderFulfillmentSessionId, item.ItemId, item.Quantity));
var orderForFulfillmentService = new Dictionary <Guid, int>();
itemsInInventory.ToList().ForEach(item => { orderForFulfillmentService.Add(item.ItemId, item.Quantity); });
return(orderForFulfillmentService);
}
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 <string>(), Arg.IsAny <string>()))
.Returns(orderFulfillmentSessionId)
.InOrder();
Mock.Arrange(() => _orderFulfillmentService.IsInInventory(orderFulfillmentSessionId, itemId, 1))
.Returns(true)
.InOrder();
Mock.Arrange(() =>
_orderFulfillmentService.
PlaceOrder(orderFulfillmentSessionId, Arg.IsAny <IDictionary <Guid, int> >(), Arg.IsAny <string>()))
.Returns(true)
.InOrder();
Mock.Arrange(() => _orderFulfillmentService.CloseSession(orderFulfillmentSessionId))
.InOrder();
//Act
_orderService.PlaceOrder(customerId, shoppingCart);
//Assert
Mock.Assert(_orderFulfillmentService);
}
private Dictionary <Guid, int> CheckInventoryLevels(Guid orderFulfillmentSessionId, ShoppingCart shoppingCart)
{
var orderForFulfillmentService = new Dictionary <Guid, int>();
foreach (var shoppingCartItem in shoppingCart.Items)
{
var itemId = shoppingCartItem.ItemId;
var itemQuantity = shoppingCartItem.Quantity;
// check inventory
var itemIsInInventory = _orderFulfillmentService.IsInInventory(orderFulfillmentSessionId, itemId, itemQuantity);
orderForFulfillmentService.Add(itemId, itemQuantity);
}
return(orderForFulfillmentService);
}
private void PlaceOrderWithFulfillmentService(Guid orderFulfillmentSessionId, ShoppingCart shoppingCart, Customer customer)
{
var firstItemId = shoppingCart.Items[0].ItemId;
var firstItemQuantity = shoppingCart.Items[0].Quantity;
//Check Inventory Level
var itemIsInInventory = _orderFulfillmentService.IsInInventory(orderFulfillmentSessionId, firstItemId, firstItemQuantity);
//Place Orders
var orderForFulfillmentService = new Dictionary <Guid, int>();
orderForFulfillmentService.Add(firstItemId, firstItemQuantity);
var orderPlaced = _orderFulfillmentService.PlaceOrder(orderFulfillmentSessionId,
orderForFulfillmentService,
customer.ShippingAddress.ToString());
}