public static void Calculate_ContinuedTakeOffDistanceCalculatorThrowsCalculatorException_ThrowsCalculatorException()
{
// Setup
var random = new Random(21);
AircraftData aircraftData = AircraftDataTestFactory.CreateRandomAircraftData();
var integrator = Substitute.For <IIntegrator>();
int nrOfFailedEngines = random.Next();
double density = random.NextDouble();
double gravitationalAcceleration = random.NextDouble();
CalculationSettings calculationSettings = CalculationSettingsTestFactory.CreateDistanceCalculatorSettings();
var calculatorException = new CalculatorException();
var continuedTakeOffDistanceCalculator = Substitute.For <IDistanceCalculator>();
continuedTakeOffDistanceCalculator.Calculate().Throws(calculatorException);
var distanceCalculatorFactory = Substitute.For <IDistanceCalculatorFactory>();
distanceCalculatorFactory.CreateAbortedTakeOffDistanceCalculator(null, null, 0, 0, null).ReturnsForAnyArgs(continuedTakeOffDistanceCalculator);
var aggregatedCalculator = new Calculator.AggregatedDistanceCalculator.AggregatedDistanceCalculator(distanceCalculatorFactory);
// Call
TestDelegate call = () => aggregatedCalculator.Calculate(aircraftData, integrator, nrOfFailedEngines, density, gravitationalAcceleration, calculationSettings);
// Assert
var exception = Assert.Throws <CalculatorException>(call);
Assert.AreSame(calculatorException, exception);
}
public static void Calculate_WithArguments_ExecutesDistanceCalculatorsAndReturnsExpectedOutput()
{
// Setup
var random = new Random(21);
AircraftData aircraftData = AircraftDataTestFactory.CreateRandomAircraftData();
var integrator = Substitute.For <IIntegrator>();
int nrOfFailedEngines = random.Next();
double density = random.NextDouble();
double gravitationalAcceleration = random.NextDouble();
CalculationSettings calculationSettings = CalculationSettingsTestFactory.CreateDistanceCalculatorSettings();
var abortedTakeOffDistanceCalculator = Substitute.For <IDistanceCalculator>();
var abortedTakeOffDistanceOutput = new DistanceCalculatorOutput(calculationSettings.FailureSpeed, random.NextDouble());
abortedTakeOffDistanceCalculator.Calculate().Returns(abortedTakeOffDistanceOutput);
var continuedTakeOffDistanceCalculator = Substitute.For <IDistanceCalculator>();
var continuedTakeOffDistanceOutput = new DistanceCalculatorOutput(calculationSettings.FailureSpeed, random.NextDouble());
continuedTakeOffDistanceCalculator.Calculate().Returns(continuedTakeOffDistanceOutput);
var distanceCalculatorFactory = Substitute.For <IDistanceCalculatorFactory>();
distanceCalculatorFactory.CreateAbortedTakeOffDistanceCalculator(Arg.Is(aircraftData),
Arg.Is(integrator),
Arg.Is(density),
Arg.Is(gravitationalAcceleration),
Arg.Is(calculationSettings))
.Returns(abortedTakeOffDistanceCalculator);
distanceCalculatorFactory.CreateContinuedTakeOffDistanceCalculator(Arg.Is(aircraftData),
Arg.Is(integrator),
Arg.Is(nrOfFailedEngines),
Arg.Is(density),
Arg.Is(gravitationalAcceleration),
Arg.Is(calculationSettings))
.Returns(continuedTakeOffDistanceCalculator);
var aggregatedCalculator = new Calculator.AggregatedDistanceCalculator.AggregatedDistanceCalculator(distanceCalculatorFactory);
// Call
AggregatedDistanceOutput output = aggregatedCalculator.Calculate(aircraftData, integrator, nrOfFailedEngines, density, gravitationalAcceleration, calculationSettings);
// Assert
Assert.AreEqual(calculationSettings.FailureSpeed, output.FailureSpeed);
Assert.AreEqual(abortedTakeOffDistanceOutput.Distance, output.AbortedTakeOffDistance);
Assert.AreEqual(continuedTakeOffDistanceOutput.Distance, output.ContinuedTakeOffDistance);
}
public void Calculate_CalculationSettingsNull_ThrowsArgumentNullException()
{
// Setup
var random = new Random(21);
AircraftData aircraftData = AircraftDataTestFactory.CreateRandomAircraftData();
var integrator = Substitute.For <IIntegrator>();
int nrOfFailedEngines = random.Next();
double density = random.NextDouble();
double gravitationalAcceleration = random.NextDouble();
var distanceCalculatorFactory = Substitute.For <IDistanceCalculatorFactory>();
var aggregatedCalculator = new Calculator.AggregatedDistanceCalculator.AggregatedDistanceCalculator(distanceCalculatorFactory);
// Call
TestDelegate call = () => aggregatedCalculator.Calculate(aircraftData, integrator, nrOfFailedEngines, density, gravitationalAcceleration, null);
// Assert
var exception = Assert.Throws <ArgumentNullException>(call);
Assert.AreEqual("calculationSettings", exception.ParamName);
}
