public void CanFilterProducts()
{
// Arrange
// - create the mock repository
var mock = new Mock<IProductRepository>();
mock.Setup(m => m.Products).Returns(
new[]
{
new Product { ProductID = 1, Name = "P1", Category = "Cat1" },
new Product { ProductID = 2, Name = "P2", Category = "Cat2" },
new Product { ProductID = 3, Name = "P3", Category = "Cat1" },
new Product { ProductID = 4, Name = "P4", Category = "Cat2" },
new Product { ProductID = 5, Name = "P5", Category = "Cat3" }
}.AsQueryable());
// Arrange - create a controller and make the page size 3 items
var controller = new ProductController(mock.Object);
controller.PageSize = 3;
// Action
Product[] result = ((ProductsListViewModel)controller.List("Cat2", 1).Model).Products.ToArray();
// Assert
Assert.AreEqual(result.Length, 2);
Assert.IsTrue(result[0].Name == "P2" && result[0].Category == "Cat2");
Assert.IsTrue(result[1].Name == "P4" && result[1].Category == "Cat2");
}
public void CannotRetrieveImageDataForInvalidID()
{
// Arrange - create the mock repository
var mock = new Mock<IProductRepository>();
mock.Setup(m => m.Products).Returns(
new[] { new Product { ProductID = 1, Name = "P1" }, new Product { ProductID = 2, Name = "P2" } }.
AsQueryable());
// Arrange - create the controller
var target = new ProductController(mock.Object);
// Act - call the GetImage action method
ActionResult result = target.GetImage(100);
// Assert
Assert.IsNull(result);
}
public void CanPaginateProducts()
{
// Arrange
// - create the mock repository
var mock = new Mock<IProductRepository>();
mock.Setup(m => m.Products).Returns(
new[]
{
new Product { ProductID = 1, Name = "P1" }, new Product { ProductID = 2, Name = "P2" },
new Product { ProductID = 3, Name = "P3" }, new Product { ProductID = 4, Name = "P4" },
new Product { ProductID = 5, Name = "P5" }
}.AsQueryable());
// create a controller and make the page size 3 items
var controller = new ProductController(mock.Object);
controller.PageSize = 3;
// Action
var result = (ProductsListViewModel)controller.List(null, 2).Model;
// Assert
Product[] prodArray = result.Products.ToArray();
Assert.IsTrue(prodArray.Length == 2);
Assert.AreEqual(prodArray[0].Name, "P4");
Assert.AreEqual(prodArray[1].Name, "P5");
}
public void GenerateSubCategorySpecificProductCount()
{
// Arrange
// - create the mock repository
var mock = new Mock<IProductRepository>();
mock.Setup(m => m.Products).Returns(
new[]
{
new Product { ProductID = 1, Name = "P1", Category = "Cat1", SubCategory = "Liquid" },
new Product { ProductID = 2, Name = "P2", Category = "Cat2", SubCategory = "Liquid" },
new Product { ProductID = 3, Name = "P3", Category = "Cat1", SubCategory = "Solid" },
new Product { ProductID = 4, Name = "P4", Category = "Cat2", SubCategory = "Liquid" },
new Product { ProductID = 5, Name = "P5", Category = "Cat2", SubCategory = "Solid" }
}.AsQueryable());
// Arrange - create a controller and make the page size 3 items
var target = new ProductController(mock.Object);
// Action - test the product counts for different categories
int subcatLiquidCat1ProductCount = ((SubCategoryViewModel)target.SubCategory("Cat1", "Liquid").Model).Products.Count();
int subCatLiquidCat2ProductCount = ((SubCategoryViewModel)target.SubCategory("Cat2", "Liquid").Model).Products.Count();
int subCatSolidCat2ProductCount = ((SubCategoryViewModel)target.SubCategory("Cat2", "Solid").Model).Products.Count();
// Assert
Assert.AreEqual(subcatLiquidCat1ProductCount, 1);
Assert.AreEqual(subCatLiquidCat2ProductCount, 2);
Assert.AreEqual(subCatSolidCat2ProductCount, 1);
}
public void GenerateCategorySpecificProductCount()
{
// Arrange
// - create the mock repository
var mock = new Mock<IProductRepository>();
mock.Setup(m => m.Products).Returns(
new[]
{
new Product { ProductID = 1, Name = "P1", Category = "Cat1" },
new Product { ProductID = 2, Name = "P2", Category = "Cat2" },
new Product { ProductID = 3, Name = "P3", Category = "Cat1" },
new Product { ProductID = 4, Name = "P4", Category = "Cat2" },
new Product { ProductID = 5, Name = "P5", Category = "Cat3" }
}.AsQueryable());
// Arrange - create a controller and make the page size 3 items
var target = new ProductController(mock.Object);
target.PageSize = 3;
// Action - test the product counts for different categories
int category1ProductCount = ((ProductsListViewModel)target.List("Cat1").Model).PagingInfo.TotalItems;
int category2ProductCount = ((ProductsListViewModel)target.List("Cat2").Model).PagingInfo.TotalItems;
int category3ProductCount = ((ProductsListViewModel)target.List("Cat3").Model).PagingInfo.TotalItems;
int allCategoriesProductCount = ((ProductsListViewModel)target.List(null).Model).PagingInfo.TotalItems;
// Assert
Assert.AreEqual(category1ProductCount, 2);
Assert.AreEqual(category2ProductCount, 2);
Assert.AreEqual(category3ProductCount, 1);
Assert.AreEqual(allCategoriesProductCount, 5);
}
public void CanSendPaginationViewModel()
{
// Arrange
// - create the mock repository
var mock = new Mock<IProductRepository>();
mock.Setup(m => m.Products).Returns(
new[]
{
new Product { ProductID = 1, Name = "P1" }, new Product { ProductID = 2, Name = "P2" },
new Product { ProductID = 3, Name = "P3" }, new Product { ProductID = 4, Name = "P4" },
new Product { ProductID = 5, Name = "P5" }
}.AsQueryable());
// Arrange - create a controller and make the page size 3 items
var controller = new ProductController(mock.Object);
controller.PageSize = 3;
// Action
var result = (ProductsListViewModel)controller.List(null, 2).Model;
// Assert
PagingInfo pageInfo = result.PagingInfo;
Assert.AreEqual(pageInfo.CurrentPage, 2);
Assert.AreEqual(pageInfo.ItemsPerPage, 3);
Assert.AreEqual(pageInfo.TotalItems, 5);
Assert.AreEqual(pageInfo.TotalPages, 2);
}
public void CanRetrieveImageData()
{
// Arrange - create a Product with image data
var prod = new Product
{
ProductID = 2, Name = "Test", ImageData = new byte[] { }, ImageMimeType = "image/png"
};
// Arrange - create the mock repository
var mock = new Mock<IProductRepository>();
mock.Setup(m => m.Products).Returns(
new[] { new Product { ProductID = 1, Name = "P1" }, prod, new Product { ProductID = 3, Name = "P3" } }.
AsQueryable());
// Arrange - create the controller
var target = new ProductController(mock.Object);
// Act - call the GetImage action method
ActionResult result = target.GetImage(2);
// Assert
Assert.IsNotNull(result);
Assert.IsInstanceOfType(result, typeof(FileResult));
Assert.AreEqual(prod.ImageMimeType, ((FileResult)result).ContentType);
}