public void GivenValidUserIdGenerateInvoice()
{
Ride ride1 = new Ride(1, 1);
Ride ride2 = new Ride(2, 1);
Ride ride3 = new Ride(1, 1);
rideRepository.AddToRideRepository("Dilip", ride1);
rideRepository.AddToRideRepository("Dilip", ride2);
rideRepository.AddToRideRepository("Dilip", ride3);
Assert.AreEqual(32.0d, invoiceGenerator.returnTotalFareForMultipleRides(rideRepository.returnListByUserId("Dilip")));
Assert.AreEqual(16.0d, invoiceGenerator.averagePerRide);
Assert.AreEqual(2, invoiceGenerator.numberOfRides);
}