public ActionResult CalculateFare(TaxiRide fare)
{
try
{
IFareCalculator calculator = new FareCalculator();
return(Json(calculator.CalculateFare(fare)));
}
#region Exception Handling
catch (ArgumentException ex)
{
HttpContext.Response.StatusCode = (int)HttpStatusCode.BadRequest;
return(Json(ex.Message.ToString()));
}
catch (NullReferenceException ex)
{
HttpContext.Response.StatusCode = (int)HttpStatusCode.BadRequest;
return(Json(ex.Message.ToString()));
}
catch (OverflowException ex)
{
HttpContext.Response.StatusCode = (int)HttpStatusCode.BadRequest;
return(Json(ex.Message.ToString()));
}
catch (Exception)
{
HttpContext.Response.StatusCode = (int)HttpStatusCode.BadRequest;
return(Json("Unknown error processing your fare"));
}
#endregion
}
public HttpResponseMessage Calculate(TaxiRide aod_taxi_ride)
{
var cost = lod_rate_calc.CalcRate(aod_taxi_ride);
HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.OK, new { cost = cost });
return(response);
}
private bool IsPeakWeekday(TaxiRide ride)
{
bool result;
result = ((ride.StartTimeMinutes >= 960d) && (ride.StartTimeMinutes <= 1200d) && (ride.RideDate.IsWeekday()));
return(result);
}
public double CalculateFare(TaxiRide ride)
{
try
{
#region Guards
if (ride == null)
{
throw new ArgumentNullException("You must submit a ride in order for it to be calculated");
}
if (ride.MinutesAboveSixMph < 0)
{
throw new ArgumentException("Minutes above six mph must be non-negative");
}
if (ride.MilesBelowSixMph < 0)
{
throw new ArgumentException("Miles above six mph must be non-negative");
}
#endregion
double result = FareConstants.BASE_FARE + FareConstants.NY_TAX_SURCHARGE;
if (IsPeakWeekday(ride))
{
result += FareConstants.PEAK_SURCHARGE;
}
if (IsNight(ride))
{
result += FareConstants.NIGHT_SURCHARGE;
}
result += ride.MilesBelowSixMph * 5d * FareConstants.UNIT_RATE;
result += ride.MinutesAboveSixMph * FareConstants.UNIT_RATE;
#region Overflow check
// large inputs may result in overflow... unrealistic, but possible
if (result == Double.PositiveInfinity)
{
throw new OverflowException();
}
#endregion
return(result);
}
#region Exception Handling
catch (OverflowException)
{
throw new OverflowException("The numbers you input were too large to be calculated properly");
}
catch (ArgumentNullException ex)
{
throw new ArgumentNullException(ex.Message);
}
catch (ArgumentException ex)
{
throw new ArgumentException(ex.Message);
}
catch (Exception)
{
throw new Exception("An unknown exception occurred when calculating your fare");
}
#endregion
}
//-------------------------------
// This tests whether or not the user is subject to Night hours surcharge.
// DateTime: 10/08/2010 11:59:00 pm. This is a Friday
// Any time after 8:00 PM and before 6:00 AM is subject to this charge.
// Expected result is true.
//-------------------------------
public void CheckNightHoursTest()
{
TaxiRide lod_taxi_ride = new TaxiRide();
DateTime lod_test = new DateTime();
lod_test = DateTime.Parse("10/08/2010 11:59:00 pm");
Assert.IsTrue(lod_taxi_ride.CheckNightHours(lod_test));
}
//-------------------------------
// This tests whether or not the user is riding on a Weekend.
// DateTime: 10/08/2010 05:00:00 pm. This is a Friday.
// Expected result is false.
//-------------------------------
public void CheckPeakWeekendTest()
{
TaxiRide lod_taxi_ride = new TaxiRide();
DateTime lod_test = new DateTime();
lod_test = DateTime.Parse("10/08/2010 05:00:00 pm");
Assert.IsFalse(lod_taxi_ride.CheckPeakWeekend(lod_test));
}
public void CalcRateTestPeakHours()
{
TaxiRide lod_taxi_ride = new TaxiRide()
{
state = "New York",
miles = 1,
minutes = 5,
RideTime = DateTime.Parse("10/08/2010 06:00:00 PM")
};
RateCalculator lod_rate_calculator = new RateCalculator();
Assert.AreEqual((decimal)8, lod_rate_calculator.CalcRate(lod_taxi_ride));
}
public void CalcRateTestNightHours()
{
TaxiRide lod_taxi_ride = new TaxiRide()
{
state = "New York",
miles = 5,
minutes = 5,
RideTime = DateTime.Parse("10/08/2010 12:30:00 am")
};
RateCalculator lod_rate_calculator = new RateCalculator();
Assert.AreEqual((decimal)14.5, lod_rate_calculator.CalcRate(lod_taxi_ride));
}
public void CalcRateTestBaseCase()
{
TaxiRide lod_taxi_ride = new TaxiRide()
{
state = "New York",
miles = 2,
minutes = 5,
RideTime = DateTime.Parse("10/08/2010 05:30:00 pm")
};
RateCalculator lod_rate_calculator = new RateCalculator();
Assert.AreEqual((decimal)9.75, lod_rate_calculator.CalcRate(lod_taxi_ride));
}
public void CalcRateTestNoNYTax()
{
TaxiRide lod_taxi_ride = new TaxiRide()
{
state = "New Jersey",
miles = 2,
minutes = 5,
RideTime = DateTime.Parse("10/08/2010 09:08:00 AM")
};
RateCalculator lod_rate_calculator = new RateCalculator();
Assert.AreEqual((decimal)8.25, lod_rate_calculator.CalcRate(lod_taxi_ride));
}
public void CalculateFare_NullRide_ShouldThrowNullArgumentException()
{
// Arrange
TaxiRide ride = null;
FareCalculator calculator = new FareCalculator();
// Act
calculator.CalculateFare(ride);
// Assert
// Assert handled by attribute
}
public void CalculateFare_VeryLargeInput_ShouldThrowOverflowException()
{
// Arrange
TaxiRide ride = new TaxiRide
{
RideDate = new System.DateTime(2010, 10, 08),
MinutesAboveSixMph = int.MaxValue,
MilesBelowSixMph = double.MaxValue,
StartTime = new System.DateTime(2010, 10, 08, 20, 0, 0),
};
FareCalculator calculator = new FareCalculator();
// Act
calculator.CalculateFare(ride);
// Assert
// Assert handled by attribute
}
public void CalculateFare_NegativeMinutesAboveSixMph_ShouldThrowArgumentException()
{
// Arrange
TaxiRide ride = new TaxiRide
{
RideDate = new System.DateTime(2010, 10, 08),
MinutesAboveSixMph = -1,
MilesBelowSixMph = 0,
StartTime = new System.DateTime(2010, 10, 08, 20, 0, 0),
};
FareCalculator calculator = new FareCalculator();
// Act
calculator.CalculateFare(ride);
// Assert
// Assert handled by attribute
}
public void CalculateFare_BaseCase()
{
// Arrange
TaxiRide ride = new TaxiRide {
RideDate = new System.DateTime(2010, 10, 08),
MinutesAboveSixMph = 5,
MilesBelowSixMph = 2,
StartTime = new System.DateTime(2010, 10, 08, 17, 30, 0),
};
FareCalculator calculator = new FareCalculator();
double expected = 9.75;
// Act
double actual = calculator.CalculateFare(ride);
// Assert
Assert.AreEqual(actual, expected);
}
public void CalculateFare_ShouldBePeakWeekday()
{
// Arrange
TaxiRide ride = new TaxiRide
{
RideDate = new System.DateTime(2010, 10, 08),
MinutesAboveSixMph = 5,
MilesBelowSixMph = 2,
StartTime = new System.DateTime(2010, 10, 08, 16, 0, 0),
};
double expected = 9.75;
FareCalculator calculator = new FareCalculator();
// Act
double actual = calculator.CalculateFare(ride);
// Assert
Assert.AreEqual(expected, actual);
}
public void CalculateFare_NoAddons_PartialMilesBelowSixMph()
{
// Arrange
TaxiRide ride = new TaxiRide
{
RideDate = new System.DateTime(2010, 10, 08),
MinutesAboveSixMph = 5,
MilesBelowSixMph = .4,
StartTime = new System.DateTime(2010, 10, 08, 6, 00, 01),
};
double expected = 5.95;
FareCalculator calculator = new FareCalculator();
// Act
double actual = calculator.CalculateFare(ride);
// Assert
Assert.AreEqual(expected, actual);
}
public void CalculateFare_NoAddons_PeakTimeAndSunday()
{
// Arrange
TaxiRide ride = new TaxiRide
{
RideDate = new System.DateTime(2018, 12, 02),
MinutesAboveSixMph = 5,
MilesBelowSixMph = 2,
StartTime = new System.DateTime(2010, 12, 02, 17, 30, 0),
};
FareCalculator calculator = new FareCalculator();
double expected = 8.75;
// Act
double actual = calculator.CalculateFare(ride);
// Assert
Assert.AreEqual(actual, expected);
}
public void CalculateFare_NoAddons_MinFringePeak()
{
// Arrange
TaxiRide ride = new TaxiRide
{
RideDate = new System.DateTime(2010, 10, 08),
MinutesAboveSixMph = 5,
MilesBelowSixMph = 2,
StartTime = new System.DateTime(2010, 10, 08, 15, 59, 59),
};
double expected = 8.75;
FareCalculator calculator = new FareCalculator();
// Act
double actual = calculator.CalculateFare(ride);
// Assert
Assert.AreEqual(expected, actual);
}
public void CalculateFare_OvernightAddon_MaxFringePeak()
{
// Arrange
TaxiRide ride = new TaxiRide
{
RideDate = new System.DateTime(2010, 10, 08),
MinutesAboveSixMph = 5,
MilesBelowSixMph = 2,
StartTime = new System.DateTime(2010, 10, 08, 20, 00, 01),
};
double expected = 9.25;
FareCalculator calculator = new FareCalculator();
// Act
double actual = calculator.CalculateFare(ride);
// Assert
Assert.AreEqual(expected, actual);
}
public void CalculateFare_ShouldBeMinOvernightAndMaxPeak()
{
// Arrange
TaxiRide ride = new TaxiRide
{
// Friday
RideDate = new System.DateTime(2010, 10, 08),
MinutesAboveSixMph = 5,
MilesBelowSixMph = 2,
// 8 PM
StartTime = new System.DateTime(2010, 10, 08, 20, 0, 0),
};
double expected = 10.25;
FareCalculator calculator = new FareCalculator();
// Act
double actual = calculator.CalculateFare(ride);
// Assert
Assert.AreEqual(expected, actual);
}
public async Task <int> StartRideAsync(Taxi taxi, Driver driver)
{
if (taxi == null)
{
throw new ArgumentNullException(nameof(taxi));
}
if (driver == null)
{
throw new ArgumentNullException(nameof(driver));
}
var newRide = new TaxiRide
{
Start = DateTime.Now,
Taxi = taxi,
Driver = driver
};
Rides.Add(newRide);
await SaveChangesAsync();
return(newRide.ID);
}
public void Setup()
{
_sut = new TaxiRide(4, 2);
}
private bool IsNight(TaxiRide ride)
{
return(((ride.StartTimeMinutes >= 1200d) || (ride.StartTimeMinutes <= 360d)) ? true : false);
}
//-------------------------------
// This tests whether or not the user is subject to New York State tax.
// DateTime: 10/08/2010 06:00:00 pm. This is a Friday
// Anyone requesting a ride in New York is subject to this tax.
// Expected result is true.
//-------------------------------
public void CheckStateTest()
{
TaxiRide lod_taxi_ride = new TaxiRide();
Assert.IsTrue(lod_taxi_ride.CheckState("New York"));
}
