public void Generate_ReducesValuation_BasedOnMileage()
{
// arrange
string regPlate = "MA53JRO";
int mileage = 10000;
decimal expectedValue = 17952.11M;
var ageEvaluationCalculator = new AgeEvaluationCalculator(GetAgeEvaluationStrategies());
var mileageEvaluationCalculator = new MileageEvaluationCalculator(GetMileageStrategies());
Vehicle vehicle = new Vehicle()
{
AgeInYears = 10,
BaseValuation = 30000,
Derivative = "ZETEC",
Manufacturer = "FORD",
Model = "FIESTA",
RegPlate = "MA53JRO"
};
Mock <IVehicleFinder> vehicleFinder = new Mock <IVehicleFinder>();
vehicleFinder.Setup(x => x.FindByRegPlate(regPlate)).Returns(vehicle);
IValuationEngine valuationService = new ValuationEngine(vehicleFinder.Object,
ageEvaluationCalculator,
mileageEvaluationCalculator);
// act
var result = valuationService.Generate(regPlate, mileage);
// assert
Assert.AreEqual(expectedValue, result.PriceOffered);
}
public void When_Generate_Called_And_Evaluation_ForVehicle_Becomes_Negative_Then_It_Should_Return_MinimumEvaluationValue()
{
// arrange
string regPlate = "MA53JRO";
int mileage = 10000;
var ageEvaluationCalculator = new AgeEvaluationCalculator(GetAgeEvaluationStrategies());
var mileageEvaluationCalculator = new MileageEvaluationCalculator(GetMileageStrategies());
Vehicle vehicle = new Vehicle()
{
AgeInYears = 30,
BaseValuation = 10,
Derivative = "ZETEC",
Manufacturer = "FORD",
Model = "FIESTA",
RegPlate = "MA53JRO"
};
var expectedValue = 250.0m;
Mock <IVehicleFinder> vehicleFinder = new Mock <IVehicleFinder>();
vehicleFinder.Setup(x => x.FindByRegPlate(regPlate)).Returns(vehicle);
IValuationEngine valuationService = new ValuationEngine(vehicleFinder.Object,
ageEvaluationCalculator,
mileageEvaluationCalculator);
// act
var result = valuationService.Generate(regPlate, mileage);
// assert
Assert.AreEqual(expectedValue, result.PriceOffered);
}
public void When_Generate_Called_With_NullBaseValue_ForVehicle_Should_Return_UnableToEvaluate()
{
// arrange
string regPlate = "MA53JRO";
int mileage = 10000;
var ageEvaluationCalculator = new AgeEvaluationCalculator(GetAgeEvaluationStrategies());
var mileageEvaluationCalculator = new MileageEvaluationCalculator(GetMileageStrategies());
Vehicle vehicle = new Vehicle()
{
AgeInYears = 10,
BaseValuation = null,
};
var expectedValue = ErrorTypes.UnableToEvaluate;
Mock <IVehicleFinder> vehicleFinder = new Mock <IVehicleFinder>();
vehicleFinder.Setup(x => x.FindByRegPlate(regPlate)).Returns(vehicle);
IValuationEngine valuationService = new ValuationEngine(vehicleFinder.Object,
ageEvaluationCalculator,
mileageEvaluationCalculator);
// act
var result = valuationService.Generate(regPlate, mileage);
// assert
Assert.AreEqual(expectedValue, result.Errors.First());
}
public void When_CalculatePriceReductionByMileage_Called_For_OldVehicle_Then_Result_ShouldBe_Expected()
{
// arrange
var expected = 50.0m;
var mileage = 50000;
var strategy = new MileageEvaluationCalculator(GetStrategies());
Vehicle vehicle = new Vehicle()
{
AgeInYears = 10,
BaseValuation = 50000,
Derivative = "ZETEC",
Manufacturer = "FORD",
Model = "FIESTA",
RegPlate = "MA53JRO"
};
// act
var result = strategy.CalculatePriceReductionByMileage(vehicle, mileage);
// assert
Assert.AreEqual(expected, result);
}
public void Generate_ReturnsPopulatedValuation()
{
// arrange
string regPlate = "MA53JRO";
int mileage = 10000;
var ageEvaluationCalculator = new AgeEvaluationCalculator(GetAgeEvaluationStrategies());
var mileageEvaluationCalculator = new MileageEvaluationCalculator(GetMileageStrategies());
Vehicle vehicle = new Vehicle()
{
AgeInYears = 10,
BaseValuation = 40000,
Derivative = "ZETEC",
Manufacturer = "FORD",
Model = "FIESTA",
RegPlate = "MA53JRO"
};
Mock <IVehicleFinder> vehicleFinder = new Mock <IVehicleFinder>();
vehicleFinder.Setup(x => x.FindByRegPlate(regPlate)).Returns(vehicle);
IValuationEngine valuationService = new ValuationEngine(vehicleFinder.Object,
ageEvaluationCalculator,
mileageEvaluationCalculator);
// act
var result = valuationService.Generate(regPlate, mileage);
// assert
Assert.IsInstanceOfType(result, typeof(Valuation));
Assert.AreEqual(mileage, result.Mileage);
Assert.AreEqual(regPlate, result.RegPlate);
Assert.IsNotNull(result.AgeInYears);
Assert.IsNotNull(result.PriceOffered);
}