public ViewResult List(string category, int page = 1)
{
vmProductsList model = new vmProductsList
{
Products = repository.Products
.Where(p => category == null || p.Category == category)
.OrderBy(p => p.ProductID)
.Skip((page - 1) * PageSize)
.Take(PageSize),
PagingInfo = new vmPagingInfo
{
CurrentPage = page,
ItemsPerPage = PageSize,
TotalItems = category == null?repository.Products.Count() : repository.Products.Where(e => e.Category == category).Count()
},
CurrentCategory = category
};
return(View(model));
}
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"
}
});
// Arrange
ProductController controller = new ProductController(mock.Object);
controller.PageSize = 3;
// Act
vmProductsList result = (vmProductsList)controller.List(null, 2).Model;
// Assert
vmPagingInfo 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_Paginate()
{
// 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"
}
});
ProductController controller = new ProductController(mock.Object);
controller.PageSize = 3;
// Act
vmProductsList result = (vmProductsList)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");
}
