/// <summary>
/// Removes an entire CartLine
/// </summary>
/// <param name="product">The Product entity that is being removed from the cart (any given product has only one CartLine)</param>
public void RemoveLine(Product product)
{
_lineCollection.RemoveAll(l => l.Product.ProductId == product.ProductId);
CartLine nullIfCartIsEmpty = _lineCollection.FirstOrDefault();
if (nullIfCartIsEmpty == null) ResetCartEstablishmentId();
}
public void CanRetrieveImageData()
{
// Arrange - create a Product with image data
var product = new Product
{
ProductId = 2, Name = "Test", ImageData = new byte[] { }, ImageMimeType = "image/png"
};
// Arrange - create the mock repository
var localMock = new Mock<IProductRepository>();
localMock.Setup(m => m.Products).Returns(
new[]
{
new Product { ProductId = 1, Name = "P1" }, product, new Product { ProductId = 3, Name = "P3" }
}.
AsQueryable());
// Arrange - create the controller
var controller = new ProductController(localMock.Object);
// Action - call the GetImage action method
ActionResult result = controller.GetImage(2);
// Assert
Assert.IsNotNull(result);
Assert.IsInstanceOfType(result, typeof(FileResult));
Assert.AreEqual(product.ImageMimeType, ((FileResult)result).ContentType);
}
public void CanAddNewLines()
{
// Arrange - create some test Products
var p1 = new Product {ProductId = 1, Name = "P1"};
var p2 = new Product {ProductId = 2, Name = "P2"};
// Arrange - create a new Cart
var target = new Cart();
// Action
target.AddItem(p1, 1);
target.AddItem(p2, 1);
CartLine[] results = target.Lines.ToArray();
// Assert
Assert.AreEqual(results.Length, 2);
Assert.AreEqual(results[0].Product, p1);
Assert.AreEqual(results[1].Product, p2);
}
public void CanAddQuantityForExistingLines()
{
// Arrange - create some test products
var p1 = new Product {ProductId = 1, Name = "P1"};
var p2 = new Product {ProductId = 2, Name = "P2"};
// Arrange - create a new cart
var target = new Cart();
// Action
target.AddItem(p1, 1);
target.AddItem(p2, 1);
target.AddItem(p1, 10);
CartLine[] results = target.Lines.OrderBy(c => c.Product.ProductId).ToArray();
// Assert
Assert.AreEqual(results.Length, 2);
Assert.AreEqual(results[0].Quantity, 11);
Assert.AreEqual(results[1].Quantity, 1);
}
/// <summary>
/// Adds a CartLine to the cart. The CartLine will contain a product with the appropriate quantity.
/// The first CartLine added to a cart dictates the cart's _establishmentId.
/// </summary>
/// <param name="product">The product entity being added to the cart</param>
/// <param name="quantity">The quantity of the product being added to the cart</param>
public void AddItem(Product product, int quantity)
{
if (_establishmentId == 0) _establishmentId = product.EstablishmentId;
if (product.EstablishmentId != _establishmentId)
{
// TODO: Add HttpException handling in place of Exception below
throw new Exception("Product cannot go in cart because it does not match the establishment that other objects in this cart have");
}
CartLine line = _lineCollection.FirstOrDefault(p => p.Product.ProductId == product.ProductId);
if (line == null)
{
_lineCollection.Add(new CartLine {Product = product, Quantity = quantity});
}
else
{
line.Quantity += quantity;
}
}
public void CanRemoveLine()
{
// Arrange - create some test products
var p1 = new Product {ProductId = 1, Name = "P1"};
var p2 = new Product {ProductId = 2, Name = "P2"};
var p3 = new Product {ProductId = 3, Name = "P3"};
// Arrange - create a new cart
var target = new Cart();
// Arrange - add some products to the cart
target.AddItem(p1, 1);
target.AddItem(p2, 3);
target.AddItem(p3, 5);
target.AddItem(p2, 1);
// Action
target.RemoveLine(p2);
// Assert
Assert.AreEqual(target.Lines.Count(c => c.Product == p2), 0);
Assert.AreEqual(target.Lines.Count(), 2);
}
public void CanClearContents()
{
// Arrange - create some test products
var p1 = new Product {ProductId = 1, Name = "P1", Price = 100M};
var p2 = new Product {ProductId = 2, Name = "P2", Price = 50M};
// Arrange - create a new cart
var target = new Cart();
// Arrange - add some items
target.AddItem(p1, 1);
target.AddItem(p2, 1);
// Action - reset the cart
target.Clear();
// Assert
Assert.AreEqual(target.Lines.Count(), 0);
}
public void CalculateCartTotal()
{
// Arrange - create some test products
var p1 = new Product {ProductId = 1, Name = "P1", Price = 100M};
var p2 = new Product {ProductId = 2, Name = "P2", Price = 50M};
// Arrange - create a new cart
var target = new Cart();
// Action
target.AddItem(p1, 1);
target.AddItem(p2, 1);
target.AddItem(p1, 3);
decimal result = target.ComputeTotalValue();
// Assert
Assert.AreEqual(result, 450M);
}
public void CanDeleteValidProducts()
{
// Arrange - create a product
var product = new Product { ProductId = 2, Name = "Test" };
// Arrange - create a local mock repository
var localMock = new Mock<IProductRepository>();
localMock.Setup(m => m.Products).Returns(new Product[]
{
new Product {ProductId = 1, Name = "P1"},
product,
new Product {ProductId = 3, Name = "P3"}
}.AsQueryable());
// Arrange - create a controller
var controller = new AdminController(localMock.Object);
// Action - delete the product
controller.Delete(product.ProductId);
// assert - ensure that the repository Delete method was called with the correct Product
localMock.Verify(m => m.DeleteProduct(product));
}
public void CannotSaveInvalidChanges()
{
// Arrange - create a controller
var controller = new AdminController(this._mockRepository.Object);
// Arrange - create a product
Product product = new Product { Name = "Test" };
// Arrange - add an error to the model state
controller.ModelState.AddModelError("error", "error");
// Action - try to save the product
ActionResult result = controller.Edit(product, null);
// Assert - check that the repository was called
this._mockRepository.Verify(m => m.SaveProduct(It.IsAny<Product>()), Times.Never());
// Assert - check the method result type
Assert.IsInstanceOfType(result, typeof(ViewResult));
}
public void CanSaveValidChanges()
{
// Arrange - create a controller
var controller = new AdminController(this._mockRepository.Object);
// Arrange - create a product
Product product = new Product { Name = "Test" };
// Action - try to save the product
ActionResult result = controller.Edit(product, null);
// Assert - check that the repository was called
this._mockRepository.Verify(m => m.SaveProduct(product));
// Assert - check the method result type
Assert.IsNotInstanceOfType(result, typeof(ViewResult));
}
public ActionResult Edit(Product product, HttpPostedFileBase image)
{
if (ModelState.IsValid)
{
if (image != null)
{
product.ImageMimeType = image.ContentType;
product.ImageData = new byte[image.ContentLength];
image.InputStream.Read(product.ImageData, 0, image.ContentLength);
}
_productRepository.SaveProduct(product);
TempData["message"] = string.Format("Product {0} has been saved", product.Name);
return RedirectToAction("Index");
}
else
{
// there is something wrong with the data values
return View(product);
}
}
public void SaveProduct(Product product)
{
if (product.ProductId == 0)
{
context.Products.Add(product);
}
else
{
context.Entry(product).State = EntityState.Modified;
}
context.SaveChanges();
}
public void DeleteProduct(Product product)
{
context.Products.Remove(product);
context.SaveChanges();
}