public static bool Check <TItem>
(
Page <TItem> expected,
CollectionPageViewModel <TItem> actual,
Func <TItem, TItem, bool> equal
)
where TItem : class, IEntity
{
var pagingText = PagingTextCalculator.Calculate(expected.Skip, expected.Take, expected.TotalCount);
var hasForwardPages = expected.TotalCount > expected.Skip + expected.Take;
var hasBackPages = expected.Skip > 0;
var isPaging = expected.TotalCount > expected.Take;
var result =
expected.Items.Count == actual.Items.Count &&
pagingText == actual.PagingText &&
hasForwardPages == actual.HasForwardPages &&
hasBackPages == actual.HasBackPages &&
isPaging == actual.IsPaging;
if (result)
{
for (var i = 0; i < expected.Items.Count; i++)
{
if (!equal(expected.Items[i], actual.Items[i]))
{
result = false;
break;
}
}
}
return(result);
}
public void OnFirstPage()
{
var items = new List <Uom>().ToImmutableList();
var links = new PageLinksFormatter().GetLinks(Url, new Page <Uom>("", 200, 0, 50, new List <Uom>()));
var expectedPagingText = PagingTextCalculator.Calculate(0, 50, 200);
var data = new CollectionPageData <Uom>(items, links);
Assert.IsTrue(data.IsPaging);
Assert.AreEqual(4, data.Links.Count);
data.Links.TryGetValue(RelTypes.self, out var selfUrl);
data.Links.TryGetValue(RelTypes.first, out var firstUrl);
data.Links.TryGetValue(RelTypes.next, out var nextUrl);
data.Links.TryGetValue(RelTypes.last, out var lastUrl);
Assert.AreEqual($"{Url}?searchText=&skip=0&take=50", selfUrl);
Assert.AreEqual($"{Url}?searchText=&skip=0&take=50", firstUrl);
Assert.AreEqual($"{Url}?searchText=&skip=50&take=50", nextUrl);
Assert.AreEqual($"{Url}?searchText=&skip=150&take=50", lastUrl);
Assert.AreEqual(expectedPagingText, data.PagingText);
}