public void CalculateSchedule_valid_inputs_should_return_schedule()
{
// Arrange
IAmortCalcService classUnderTest = new AmortCalcService();
var amortCalcModel = new AmortCalcModel()
{
AnnualInterestRate = 5.44,
TermInMonths = 3,
PaymentFrequency = PaymentFrequencyTypes.Monthly,
Deposit = 0,
PrincipalLoanAmount = 5000
};
var expected = new List <PeriodDataModel>()
{
new PeriodDataModel()
{
EndOfPeriodBalance = 5000,
InterestPaid = 0,
Period = 0,
PrincipalPaid = 0
},
new PeriodDataModel()
{
EndOfPeriodBalance = 3340.87,
InterestPaid = 22.67,
Period = 1,
PrincipalPaid = 1659.13
},
new PeriodDataModel()
{
EndOfPeriodBalance = 1674.21,
InterestPaid = 15.15,
Period = 2,
PrincipalPaid = 1666.66
},
new PeriodDataModel()
{
EndOfPeriodBalance = 0,
InterestPaid = 7.59,
Period = 3,
PrincipalPaid = 1674.21
}
};
// Act
var actual = classUnderTest.CalculateSchedule(amortCalcModel);
// Assert
actual.Should().BeEquivalentTo(expected);
}
public void CalculateSingleInstalment_valid_inputs_should_return_instalment(double expected, double deposit)
{
// Arrange
IAmortCalcService classUnderTest = new AmortCalcService();
var amortCalcModel = new AmortCalcModel()
{
AnnualInterestRate = 5.44,
TermInMonths = 360,
PaymentFrequency = PaymentFrequencyTypes.Monthly,
Deposit = deposit,
PrincipalLoanAmount = 820000
};
// Act
var actual = classUnderTest.CalculateSingleInstalment(amortCalcModel);
// Assert
Assert.AreEqual(expected, actual);
}
