public void NewsOverviewPageHandler_CanMapFromContent()
{
// Arrange
var mapper = new UmbracoMapper();
var handler = new NewsOverviewPageHandler(mapper);
var content = MockNewsOverviewPage();
var model = new NewsOverviewPageViewModel();
var pagingDetail = new PagingDetail(1, 2);
// Act
handler.Handle(content.Object, model, pagingDetail);
// Assert
Assert.AreEqual("News overview title", model.Title);
Assert.AreEqual(3, model.NewsItemsPage.TotalItems);
Assert.AreEqual(2, model.NewsItemsPage.TotalPages);
Assert.AreEqual(1, model.NewsItemsPage.PageNumber);
Assert.AreEqual(2, model.NewsItemsPage.PageSize);
Assert.AreEqual(2, model.NewsItemsPage.Items.Count);
Assert.AreEqual("Story 3", model.NewsItemsPage.Items[0].Title);
Assert.AreEqual("/news/story-3/", model.NewsItemsPage.Items[0].Url);
Assert.AreEqual("Story sub-header", model.NewsItemsPage.Items[0].SubHeader);
Assert.AreEqual("/media/1.jpg", model.NewsItemsPage.Items[0].ImageUrl);
Assert.AreEqual(new DateTime(2016, 11, 23).ToString("d-MMM-yyyy"), model.NewsItemsPage.Items[0].PublishDate.ToString("d-MMM-yyyy"));
Assert.AreEqual(new string('*', 197) + "...", model.NewsItemsPage.Items[0].TruncatedBodyText);
}
public async Task FindAllAsync_With_Paging_Detail_Skips_Records()
{
using (var context = new TestProductContext(options))
{
var repo = new TestProductRepository(context);
repo.Add(new TestProduct()
{
Id = 1, Name = "Test Product 01", Price = 10
});
repo.Add(new TestProduct()
{
Id = 2, Name = "Test Product 02", Price = 20
});
repo.Add(new TestProduct()
{
Id = 3, Name = "Test Product 03", Price = 10
});
repo.Add(new TestProduct()
{
Id = 4, Name = "Test Product 04", Price = 20
});
}
using (var context = new TestProductContext(options))
{
var repo = new TestProductRepository(context);
var pagingDetail = new PagingDetail(pageSize: 2, pageNumber: 1);
var products = await repo.FindAllAsync(pagingDetail);
Assert.AreEqual(2, products.Count());
}
}
public void FindAll_With_Negative_PageNumber_Returns_Empty_List()
{
using (var context = new TestProductContext(options))
{
var repo = new TestProductRepository(context);
repo.Add(new TestProduct()
{
Id = 1, Name = "Test Product 01", Price = 10
});
}
using (var context = new TestProductContext(options))
{
var repo = new TestProductRepository(context);
var pagingDetail = new PagingDetail(pageSize: 1, pageNumber: -1);
var products = repo.FindAll(pagingDetail);
Assert.AreEqual(0, products.Count());
}
}
public void FindAll_With_Paging_Detail_Skips_Records()
{
using (var context = new TestProductContext(options))
{
var repo = new TestProductRepository(context);
repo.Add(new TestProduct()
{
Id = 1, Name = "Test Product 01", Price = 10
});
repo.Add(new TestProduct()
{
Id = 2, Name = "Test Product 02", Price = 20
});
repo.Add(new TestProduct()
{
Id = 3, Name = "Test Product 03", Price = 10
});
repo.Add(new TestProduct()
{
Id = 4, Name = "Test Product 04", Price = 20
});
}
using (var context = new TestProductContext(options))
{
var repo = new TestProductRepository(context);
var pagingDetail = new PagingDetail(pageSize: 2, pageNumber: 2);
var products = repo.FindAll(pagingDetail);
Assert.AreEqual(2, products.Count());
Assert.AreEqual("Test Product 04", products.ElementAt(1).Name);
}
}
/// <summary>
/// Helper to create a paged collection of strongly typed items for a list
/// </summary>
/// <typeparam name="T">Type of list item</typeparam>
/// <param name="items">Source items as <see cref="IPublishedContent"/></param>
/// <param name="pagingDetail">Page number and size details</param>
/// <param name="pagedItems">Paged list of items provided to caller in out parameter</param>
/// <returns>Instance of <see cref="PagedCollection"/></returns>
protected PagedCollection <T> CreatePagedCollection <T>(IList <IPublishedContent> items, PagingDetail pagingDetail, out IEnumerable <IPublishedContent> pagedItems)
{
var totalItems = items.Count;
var totalPages = (int)Math.Ceiling(totalItems / (decimal)pagingDetail.PageSize);
var pageNumber = Math.Max(1, Math.Min(pagingDetail.PageNumber, totalPages));
pagedItems = items
.MostRecent()
.Skip((pageNumber - 1) * pagingDetail.PageSize)
.Take(pagingDetail.PageSize);
return(new PagedCollection <T>
{
PageNumber = pageNumber,
PageSize = pagingDetail.PageSize,
TotalItems = totalItems,
TotalPages = totalPages,
});
}
