public async Task Return_OK_Status_Code_When_Successful()
{
var databaseName = nameof(Return_OK_Status_Code_When_Successful);
var options = CashRegisterService_Utilities.GetOptions(databaseName);
// Arrange
var context = new CashRegisterContext(options);
var banknote = new Banknotes()
{
Fifty = 1,
One = 1,
};
context.Banknotes.Add(banknote);
context.SaveChanges();
var sut = new CashRegisterService(context);
var withdrawAmount = 51;
var response = await sut.HandleCashWithdraw(withdrawAmount);
Assert.IsTrue(response.StatusCode == 200);
}
public async Task Update_Database_With_Withdrawn_Banknotes()
{
var databaseName = nameof(Update_Database_With_Withdrawn_Banknotes);
var options = CashRegisterService_Utilities.GetOptions(databaseName);
// Arrange
var context = new CashRegisterContext(options);
var banknote = new Banknotes()
{
Fifty = 1,
One = 1,
};
context.Banknotes.Add(banknote);
context.SaveChanges();
// Act
var sut = new CashRegisterService(context);
var withdrawAmount = 51;
var response = await sut.HandleCashWithdraw(withdrawAmount);
// Assert
using (var actAndAssertContext = new CashRegisterContext(options))
{
Assert.IsTrue(actAndAssertContext.Banknotes.FirstOrDefault().Fifty == 0);
Assert.IsTrue(actAndAssertContext.Banknotes.FirstOrDefault().One == 0);
};
}
public async Task Return_Model_With_Withdrawn_Banknotes()
{
var databaseName = nameof(Return_Model_With_Withdrawn_Banknotes);
var options = CashRegisterService_Utilities.GetOptions(databaseName);
// Arrange
var context = new CashRegisterContext(options);
var banknote = new Banknotes()
{
Fifty = 1,
One = 1,
};
context.Banknotes.Add(banknote);
context.SaveChanges();
var sut = new CashRegisterService(context);
var withdrawAmount = 51;
var response = await sut.HandleCashWithdraw(withdrawAmount);
Assert.IsNotNull(response.Model);
}
public async Task Return_Failure_Message_When_Banknotes_Cannot_Fulfil_Withdraw()
{
var databaseName = nameof(Return_Failure_Message_When_Banknotes_Cannot_Fulfil_Withdraw);
var options = CashRegisterService_Utilities.GetOptions(databaseName);
// Arrange
var context = new CashRegisterContext(options);
var banknote = new Banknotes()
{
Fifty = 1,
One = 1,
};
context.Banknotes.Add(banknote);
context.SaveChanges();
var sut = new CashRegisterService(context);
var withdrawAmount = 41;
var response = await sut.HandleCashWithdraw(withdrawAmount);
Assert.IsTrue(response.Message == Messages.BanknotesCannotFulfilPayment);
}
public void CanTrackBanknotes()
{
foreach (var b in Banknotes)
{
var remains = Banknotes.Where(bb => bb != b).ToList();
Refill(1).Withdraw(b).AvailableBanknotes().OrderBy(e => e).Should().Equal(remains.OrderBy(e => e));
}
}
public void CanRefill(int initQty)
{
if (Acceptable(initQty))
{
AtmClient atm = Refill(initQty);
// Amount should be valid after refill
atm.AvailableAmount().Should().Be(Total(initQty));
// Banknotes should match what has been refilled
atm.AvailableBanknotes().OrderBy(b => b).Should().Equal(Banknotes.OrderBy(b => b));
}
}
public static CashRegisterContext FillContextWithUserData(DbContextOptions <CashRegisterContext> options)
{
var context = new CashRegisterContext(options);
var banknote = new Banknotes()
{
Fifty = 1,
Twenty = 1,
Ten = 1,
Five = 1,
Two = 1,
One = 1
};
context.Banknotes.Add(banknote);
context.SaveChanges();
return(context);
}
private static int Total(int qty)
{
return(Banknotes.Select(b => b * qty).Sum());
}
