private string TransferAmount(BankTransaction trans)
{
BankAccount sourceAcct = _lib.GetBankAccountByAccountNumber(trans.SourceAccountNumber);
BankAccount targetAcct = _lib.GetBankAccountByAccountNumber(trans.TargetAccountNumber);
if (sourceAcct != null && targetAcct != null && trans.TransactionAmount < 0)
{
return("Transaction Amount cannot be negative or less than zero");
}
else if (sourceAcct != null && targetAcct != null && sourceAcct.Balance > trans.TransactionAmount)
{
//sourceAcct.Balance = sourceAcct.Balance - trans.TransactionAmount;
//targetAcct.Balance = targetAcct.Balance + trans.TransactionAmount;
_lib.UpdateBankAccount(sourceAcct, targetAcct, trans.TransactionType, trans.TransactionAmount);
}
else if (sourceAcct != null && targetAcct != null && sourceAcct.Balance < trans.TransactionAmount)
{
return("Transaction Amount must be less than Balance Amount.");
}
else if (sourceAcct != null && targetAcct == null)
{
return("Target Account Number does not exist.");
}
else if (sourceAcct == null && targetAcct != null)
{
return("Source Account Number does not exists.");
}
return("Bank Transaction Successfull");
}
public void TestUpdateBankAccount()
{
BankAccount existAcct = _dataLib.GetBankAccountByAccountNumber("2019101000002");
existAcct.LoginName = "testme2019";
existAcct.Balance = 90;
double transactionAmount = 10;
string transactionType = "withdrawal";
_dataLib.UpdateBankAccount(existAcct, transactionType, transactionAmount);
BankAccount dbAcct = _dataLib.GetBankAccountByAccountNumber("2019101000002");
Assert.IsNotNull(dbAcct);
Assert.AreEqual(existAcct.LoginName, dbAcct.LoginName);
Assert.AreEqual(existAcct.AccountNumber, dbAcct.AccountNumber);
Assert.AreEqual(existAcct.Balance, dbAcct.Balance);
}