public void TestSavingsDepositsCalculation()
{
var calculationService = new SavingsComputationService(null);
SavingsDeposit savingsDeposit = new SavingsDeposit
{
InitialAmount = 100_000,
TaxPercentage = 15,
YearlyInterestPercentage = 5
};
DepositHistory depositHistory = calculationService.PerformDepositCalculation(savingsDeposit);
savingsDeposit.CurrentProfitAfterTax = depositHistory.TotalProfitAfterTax;
savingsDeposit.LastCalculation = DateTime.Today;
depositHistory.CalculationDate = DateTime.Today;
Assert.Equal(13.89m, depositHistory.ProfitBeforeTax);
Assert.Equal(2.08m, depositHistory.ProfitTax);
Assert.Equal(11.81m, depositHistory.ProfitAfterTax);
Assert.Equal(11.81m, depositHistory.TotalProfitAfterTax);
depositHistory = calculationService.PerformDepositCalculation(savingsDeposit);
savingsDeposit.CurrentProfitAfterTax = depositHistory.TotalProfitAfterTax;
savingsDeposit.LastCalculation = DateTime.Today;
depositHistory.CalculationDate = DateTime.Today;
Assert.Equal(13.89m, depositHistory.ProfitBeforeTax);
Assert.Equal(2.08m, depositHistory.ProfitTax);
Assert.Equal(11.81m, depositHistory.ProfitAfterTax);
Assert.Equal(23.62m, depositHistory.TotalProfitAfterTax);
SavingsDeposit credit = new SavingsDeposit
{
InitialAmount = 100_000,
TaxPercentage = 15,
YearlyInterestPercentage = -20
};
depositHistory = calculationService.PerformDepositCalculation(credit);
Assert.Equal(-55.56m, depositHistory.ProfitBeforeTax);
Assert.Equal(depositHistory.ProfitBeforeTax, depositHistory.ProfitAfterTax);
Assert.Equal(0m, depositHistory.ProfitTax);
}
public ComputationTest()
{
var options = new DbContextOptionsBuilder <AppDataContext>()
.UseInMemoryDatabase(Guid.NewGuid().ToString())
.Options;
_context = new AppDataContext(options);
_user = new User
{
Id = "myId",
UserName = "******",
FullName = "Big Dummy",
Email = "*****@*****.**"
};
_context.Users.Add(_user);
_calculationService = new SavingsComputationService(_context);
}
private void SeedWithData(AppDataContext context, UserManager <User> userManager)
{
var root = userManager.Users.FirstOrDefault(x => x.UserName == "admin");
if (root == null)
{
root = new User
{
Id = "myId",
UserName = "******",
Email = "*****@*****.**",
FullName = "Great Root"
};
var res = userManager.CreateAsync(root, "Admin1@#").Result;
res = userManager.AddToRoleAsync(root, "ADMIN").Result;
}
if (!context.SavingsDeposits.Any(x => x.Owner == "myId"))
{
try
{
context.SavingsDeposits.AddRange(TestData());
context.SaveChanges();
SavingsComputationService computationService = new SavingsComputationService(context);
for (int i = 0; i < 7; i++)
{
computationService.RunCalculationForAllUsersAsync(DateTime.Now.AddDays(i)).Wait();
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
}
