public void SortTownByNameDescending()
{
var data = new List <Town>
{
new Town {
Name = "TownC"
},
new Town {
Name = "TownA"
},
new Town {
Name = "TownB"
},
}.AsQueryable();
var mockSet = new Mock <DbSet <Town> >();
mockSet.As <IQueryable <Town> >().Setup(m => m.Provider).Returns(data.Provider);
mockSet.As <IQueryable <Town> >().Setup(m => m.Expression).Returns(data.Expression);
mockSet.As <IQueryable <Town> >().Setup(m => m.ElementType).Returns(data.ElementType);
mockSet.As <IQueryable <Town> >().Setup(m => m.GetEnumerator()).Returns(data.GetEnumerator());
var mockContext = new Mock <CarDealershipContext>();
mockContext.Setup(m => m.Towns).Returns(mockSet.Object);
var service = new TownBusiness(mockContext.Object);
var TownsFound = service.SortTownsByNameDescending();
Assert.AreEqual(3, TownsFound.Count());
Assert.AreEqual("TownC", TownsFound[0].Name);
Assert.AreEqual("TownB", TownsFound[1].Name);
Assert.AreEqual("TownA", TownsFound[2].Name);
}
/// <summary>
/// Populate the data grid with information sorted by towns' name in descending order
/// </summary>
private void PopulateDataGridViewSortTownsByNameDescending()
{
dataGridView.Rows.Clear();
TownBusiness townBusiness = new TownBusiness();
var townList = townBusiness.SortTownsByNameDescending();
DataPopulator(townList);
}