public void HLListPage_ProvidedEmptyList_ShouldPresentEmptyHLListPage()
{
List <int> items = new List <int>();
HLListPage <int> page = new HLListPage <int>(items, items.Count, 1, items.Count);
Assert.That(page.IsEmpty);
Assert.That(page.PageSize == HLListPage <int> .DefaultPageSize);
Assert.That(page.PageNumber == 1);
}
public void HLListPage_ProvidedList_ShouldCalculateNumberOfPages(int items, int pageSize, int expectedPages)
{
List <int> itemList = new List <int>();
for (int i = 1; i <= items; i++)
{
itemList.Add(i);
}
HLListPage <int> page = new HLListPage <int>(itemList, items, 1, pageSize);
Assert.AreEqual(expectedPages, page.TotalPages);
}
public void HLListPage_ProvidedList_ShouldBePossibleToAccessItViaIEnumerable()
{
List <int> items = new List <int>();
for (int i = 1; i < 10; i++)
{
items.Add(i);
}
HLListPage <int> page = new HLListPage <int>(items, 10, 1, 10);
Assert.That(page.All(i => i > 0));
}
/// <summary>
/// Return a page of data in cache
/// </summary>
/// <typeparam name="TOrder"></typeparam>
/// <param name="filterFunc"></param>
/// <param name="orderFunc"></param>
/// <param name="orderDirection"></param>
/// <param name="page"></param>
/// <param name="pageSize"></param>
/// <returns></returns>
public HLListPage <TData> FindBy <TOrder>(Func <TData, bool> filterFunc, Func <TData, TOrder> orderFunc = null, OrderDirection orderDirection = OrderDirection.Ascending, int page = 1, int pageSize = 10)
{
int itemsToSkip = (page < 0 ? 1 : (page - 1)) * pageSize;
if (!_isInitialized)
{
Initialize();
}
var query = _data.Values.Where(filterFunc);
if (orderFunc != null)
{
query = orderDirection == OrderDirection.Ascending ? query.OrderBy(orderFunc) : query.OrderByDescending(orderFunc);
}
var list = query.Skip(itemsToSkip).Take(pageSize).ToList();
var totalCount = _data.Values.Count(filterFunc);
HLListPage <TData> dataToReturn = new HLListPage <TData>(list, totalCount, page, pageSize);
return(dataToReturn);
}
public FacebookPostsViewModel(string pageName, HLListPage <FacebookPost> posts, Url url) : base(url)
{
Posts = posts;
Title = pageName;
Description = String.Join(" ", posts.Take(5).Select(p => p.Content));
}
public FacebookPostsViewModel(HLListPage <FacebookPost> posts)
{
Posts = posts;
}
public FacebookPostsViewModel(string pageName, HLListPage <FacebookPost> posts)
{
Posts = posts;
PageTitle = pageName;
}
