using Vit.Extensions;
using System.Linq;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Vit.Core.Util.ComponentModel.Data;
using Vit.Core.Util.ComponentModel.Query;

namespace Vit.Linq.MsTest
{
    [TestClass]
    public class Queryable_SortAndPage_Test
    {

        #region (x.3)TestSortAndPage        
        [TestMethod]
        public void TestSortAndPage()
        {
            var query = DataSource.GetQueryable();

            #region (x.1)
            {
                var result = query
                    .Sort(new[] {
                        new SortItem { field = "b1.pid", asc = false },
                        new SortItem { field = "id", asc = true }
                    })
                    .Page(new PageInfo { pageIndex = 1, pageSize = 10 })
                    .ToList();
                Assert.AreEqual(result.Count, 10);
                Assert.AreEqual(result[0].id, 990);
            }
            #endregion


            #region (x.2)
            {         
                var result = query
                    .Sort("id",false)
                    .Page(2,10)
                    .ToList();
                Assert.AreEqual(result.Count, 10);
                Assert.AreEqual(result[0].id, 989);
            }
            #endregion


            #region (x.3)
            {
                var result = query
                    .Sort(new[] {
                        new SortItem { field = "b1.pid", asc = false },
                        new SortItem { field = "id", asc = true }
                    })
                    .ToPageData(new PageInfo { pageIndex = 1, pageSize = 10 });

                Assert.AreEqual(result.totalCount, 1000);
                Assert.AreEqual(result.rows.Count, 10);
                Assert.AreEqual(result.rows[0].id, 990);
            }
            #endregion


        }
        #endregion

    }
}