public void it_should_order_in_descending_mode_when_the_order_fiels_is_not_null_and_the_order_direction_is_Descending()
{
var sut = new QueryPageAndSortingBaseMock();
var items = Builder<Movie>.CreateListOfSize(10).Build().AsQueryable();
var expectedItems = items.OrderByDescending(x => x.ID);
var methodInfo = sut.GetType().GetMethod("ApplyPagingAndSorting", BindingFlags.Instance | BindingFlags.NonPublic);
var pagingInfo = new PagingAndSortingInfo(orderByField: "ID", orderDirection: OrderDirection.Descending);
var res = (IQueryable<Movie>)methodInfo.Invoke(sut, new object[] { items, pagingInfo });
res.Should().NotBeNull()
.And.HaveCount(items.Count())
.And.ContainInOrder(expectedItems);
}
public void it_should_apply_the_default_order_when_the_order_field_is_null_or_empty()
{
var sut = new QueryPageAndSortingBaseMock();
var items = Builder<Movie>.CreateListOfSize(10).Build().AsQueryable();
var expectedItems = items.OrderByDescending(x => x.Title);
var methodInfo = sut.GetType().GetMethod("ApplyPagingAndSorting", BindingFlags.Instance | BindingFlags.NonPublic);
var pagingInfo = new PagingAndSortingInfo(orderByField: string.Empty);
var res = (IQueryable<Movie>)methodInfo.Invoke(sut, new object[] { items, pagingInfo });
res.Should().NotBeNull()
.And.HaveCount(items.Count())
.And.ContainInOrder(expectedItems);
}
public void it_should_paginate_the_results()
{
var sut = new QueryPageAndSortingBaseMock();
var page = 3;
var pageSize = 4;
var pageIndex = page - 1;
var pagingInfo = new PagingAndSortingInfo(orderByField: "Title", orderDirection: OrderDirection.Descending, page: page, pageSize: pageSize);
var items = Builder<Movie>.CreateListOfSize(20).Build().AsQueryable();
var expectedItems = items.OrderByDescending(x => x.Title).Skip(pageIndex * pageSize).Take(pageSize);
var methodInfo = sut.GetType().GetMethod("ApplyPagingAndSorting", BindingFlags.Instance | BindingFlags.NonPublic);
var res = (IQueryable<Movie>)methodInfo.Invoke(sut, new object[] { items, pagingInfo });
res.Should().NotBeNull()
.And.HaveCount(pageSize)
.And.ContainInOrder(expectedItems);
}
