public void DeleteVehicleListings_ShouldDeleteOneVehicleListings_WhenVehicleMultipleListingsExists()
{
//Given
var options = new DbContextOptionsBuilder <CarDealerContext>()
.UseInMemoryDatabase(databaseName: Guid.NewGuid().ToString())
.Options;
var dbContext = new CarDealerContext(options);
var vehicleListingService = new VehicleListingService(dbContext);
var vehicle = new Vehicle {
Id = 1, Make = "Toyota", MarketValue = 20000, Model = "Camry", VinNumber = "4T1BF3EK5BU638805", Year = 2020
};
var vehicle1 = new Vehicle {
Id = 2, Make = "Toyota", MarketValue = 20000, Model = "Camry", VinNumber = "1GNEK13Z93R293940", Year = 2020
};
var vehicleListing = new VehicleListing {
Price = 50000, Vehicle = vehicle
};
var vehicleListing1 = new VehicleListing {
Price = 50000, Vehicle = vehicle1
};
dbContext.VehicleListings.Add(vehicleListing);
dbContext.VehicleListings.Add(vehicleListing1);
dbContext.SaveChanges();
dbContext.VehicleListings.Count().Should().Be(2);
//When
vehicleListingService.DeleteVehicleListings("4T1BF3EK5BU638805");
//Then
dbContext.VehicleListings.Count().Should().Be(1);
}
public void DeleteVehicleListings_ShouldDeleteNothing_WhenNoVehicleListingsExists()
{
//Given
var options = new DbContextOptionsBuilder <CarDealerContext>()
.UseInMemoryDatabase(databaseName: Guid.NewGuid().ToString())
.Options;
var dbContext = new CarDealerContext(options);
var vehicleListingService = new VehicleListingService(dbContext);
//When
Action action = () => vehicleListingService.DeleteVehicleListings("4T1BF3EK5BU638805");
//Then
action.Should().Throw <InvalidOperationException>().WithMessage("Cannot Delete Null Vehicle Listings");
dbContext.VehicleListings.Count().Should().Be(0);
}