public void GetCarsWithLowerPrice()
{
var data = new List <Car>
{
new Car {
Model = "Car1", Price = 5500M
},
new Car {
Model = "Car2", Price = 5300M
},
new Car {
Model = "Car3", Price = 5000M
},
}.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 CarsFound = service.GetCarsWithLowerPrice(5400M);
Assert.AreEqual(2, CarsFound.Count());
Assert.AreEqual("Car2", CarsFound[0].Model);
Assert.AreEqual("Car3", CarsFound[1].Model);
}
/// <summary>
/// Populate the data grid with information about cars with price lower than given
/// </summary>
private void PopulateDataGridViewGetCarsWithLowerPrice()
{
dataGridView.Rows.Clear(); HideSpecificInfo();
CarBusiness carBusiness = new CarBusiness();
int.TryParse(txtGet.Text, out int price);
var carsList = carBusiness.GetCarsWithLowerPrice(price);
DataPopulator(carsList);
}