public void SortCarsByTransmissionGearsDescending()
{
var data = new List <Car>
{
new Car {
Model = "Car1", TransmissionGears = 5
},
new Car {
Model = "Car2", TransmissionGears = 6
},
new Car {
Model = "Car3", TransmissionGears = 7
},
}.AsQueryable();
var mockSet = new Mock <DbSet <Car> >();
mockSet.As <IQueryable <Car> >().Setup(m => m.Provider).Returns(data.Provider);
mockSet.As <IQueryable <Car> >().Setup(m => m.Expression).Returns(data.Expression);
mockSet.As <IQueryable <Car> >().Setup(m => m.ElementType).Returns(data.ElementType);
mockSet.As <IQueryable <Car> >().Setup(m => m.GetEnumerator()).Returns(data.GetEnumerator());
var mockContext = new Mock <CarDealershipContext>();
mockContext.Setup(m => m.Cars).Returns(mockSet.Object);
var service = new CarBusiness(mockContext.Object);
var SortedCars = service.SortCarsByTransmissionGearsDescending();
Assert.AreEqual(7, SortedCars[0].TransmissionGears);
Assert.AreEqual(6, SortedCars[1].TransmissionGears);
Assert.AreEqual(5, SortedCars[2].TransmissionGears);
}
/// <summary>
/// Populate the data grid with information sorted by cars' number of gears in descending order
/// </summary>
private void PopulateDataGridViewSortCarsByTransmissionGearsDescending()
{
dataGridView.Rows.Clear(); HideSpecificInfo();
CarBusiness carBusiness = new CarBusiness();
var carsList = carBusiness.SortCarsByTransmissionGearsDescending();
DataPopulator(carsList);
}