public void Can_Retrieve_Image_Data()
{
// Arrange - create a Product with image data
Product prod = new Product
{
ProductID = 2,
Name = "Test",
ImageData = new byte[] { },
ImageMimeType = "image/png"
};
// Arrange - create the mock repository
Mock<IProductsRepository> mock = new Mock<IProductsRepository>();
mock.Setup(m => m.Products).Returns(new Product[] {
new Product {ProductID = 1, Name = "P1"},
prod,
new Product {ProductID = 3, Name = "P3"}
}.AsQueryable());
// Arrange - create the controller
ProductController 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);
}
public void Can_Filter_Products()
{
// Arrange
// - create the mock repository
Mock<IProductsRepository> mock = new Mock<IProductsRepository>();
mock.Setup(m => m.Products).Returns(new Product[] {
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
ProductController 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 Cannot_Retrieve_Image_Data_For_Invalid_ID()
{
// Arrange - create the mock repository
Mock<IProductsRepository> mock = new Mock<IProductsRepository>();
mock.Setup(m => m.Products).Returns(new Product[] {
new Product {ProductID = 1, Name = "P1"},
new Product {ProductID = 2, Name = "P2"}
}.AsQueryable());
// Arrange - create the controller
ProductController target = new ProductController(mock.Object);
// Act - call the GetImage action method
ActionResult result = target.GetImage(100);
// Assert
Assert.IsNull(result);
}
public void Generate_Category_Specific_Product_Count()
{
// Arrange
// - create the mock repository
Mock<IProductsRepository> mock = new Mock<IProductsRepository>();
mock.Setup(m => m.Products).Returns(new Product[] {
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
ProductController target = new ProductController(mock.Object);
target.PageSize = 3;
// Action - test the product counts for different categories
int res1
= ((ProductsListViewModel)target.List("Cat1").Model).PagingInfo.TotalItems;
int res2
= ((ProductsListViewModel)target.List("Cat2").Model).PagingInfo.TotalItems;
int res3
= ((ProductsListViewModel)target.List("Cat3").Model).PagingInfo.TotalItems;
int resAll
= ((ProductsListViewModel)target.List(null).Model).PagingInfo.TotalItems;
// Assert
Assert.AreEqual(res1, 2);
Assert.AreEqual(res2, 2);
Assert.AreEqual(res3, 1);
Assert.AreEqual(resAll, 5);
}
public void Can_Send_Pagination_View_Model()
{
//Arrange
Mock<IProductsRepository> mock = new Mock<IProductsRepository>();
mock.Setup(m => m.Products).Returns(new Product[] {
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());
ProductController controller = new ProductController(mock.Object);
controller.PageSize = 3;
//Act
ProductsListViewModel 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 Can_Pageinate()
{
//Arrange
Mock<IProductsRepository> mock = new Mock<IProductsRepository>();
mock.Setup(m => m.Products).Returns(new Product[] {
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());
ProductController controller = new ProductController(mock.Object);
controller.PageSize = 3;
//Act
ProductsListViewModel 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");
}
