public Projection Get([FromQuery] decimal initialInvestment, [FromQuery] decimal monthlyInvestment, [FromQuery] decimal targetValue, [FromQuery] int years, [FromQuery] string riskLevel = "low")
{
var risk = ConvertToRiskLevels(riskLevel);
var calculator = RiskFactory.CreateInstance(risk, new InputValidator());
return(calculator.CalculateGrowth(initialInvestment, monthlyInvestment, targetValue, years));
}
public void GivenIWantToCalculate(string riskType)
{
const string expectedLow = "low";
const string expectedMedium = "medium";
const string expectedHigh = "high";
var level = (riskType.ToLower()) switch
{
expectedLow => RiskLevels.Low,
expectedMedium => RiskLevels.Medium,
expectedHigh => RiskLevels.High,
_ => throw new ArgumentOutOfRangeException(),
};
_growthRisk = RiskFactory.CreateInstance(level, new InputValidator());
}
public void CreateInstanceCreatesInstanceOfHighRiskWhenHighIsProvided()
{
var highRisk = RiskFactory.CreateInstance(Models.RiskLevels.High, new FakeValidator());
Assert.IsInstanceOf <HighRisk>(highRisk);
}
public void CreateInstanceCreatesInstanceOfLowRiskWhenLowIsProvided()
{
var lowRisk = RiskFactory.CreateInstance(Models.RiskLevels.Low, new FakeValidator());
Assert.IsInstanceOf <LowRisk>(lowRisk);
}
public void CreateInstanceCreatesInstanceOfMediumRiskWhenMediumIsProvided()
{
var mediumRisk = RiskFactory.CreateInstance(Models.RiskLevels.Medium, new FakeValidator());
Assert.IsInstanceOf <MediumRisk>(mediumRisk);
}
