public void ThereAreNoLenders()
{
var calculator = new InterestRateCalculator();
var rate = calculator.GetAverageInterestRate(new List <LoanLender>());
Assert.AreEqual(0, rate);
}
public void LentAmountIsZero()
{
var loanLenders = new List <LoanLender>
{
new LoanLender(new Lender("Bob", 0.010M, 0), 0),
};
var calculator = new InterestRateCalculator();
var rate = calculator.GetAverageInterestRate(new List <LoanLender>());
Assert.AreEqual(0, rate);
}
public void CalculateInterest2()
{
var loanLenders = new List <LoanLender>
{
new LoanLender(new Lender("Bob", 0.069M, 480), 200),
new LoanLender(new Lender("Mike", 0.071M, 60), 300),
new LoanLender(new Lender("Mike", 0.071M, 460), 300)
};
var calculator = new InterestRateCalculator();
var rate = calculator.GetAverageInterestRate(loanLenders);
Assert.AreEqual(0.070M, rate);
}
public void CalculateInterest()
{
var loanLenders = new List <LoanLender>
{
new LoanLender(new Lender("Bob", 0.010M, 200), 200),
new LoanLender(new Lender("Mike", 0.050M, 300), 300),
new LoanLender(new Lender("Maze", 0.150M, 500), 500)
};
var calculator = new InterestRateCalculator();
var rate = calculator.GetAverageInterestRate(loanLenders);
Assert.AreEqual(0.092M, rate);
}