private IBankAccountDailyBalances BuildDailyBalances()
{
// Arrange
IBankAccountDailyBalances dailyBalances = new BankAccountDailyBalances(0.0);
var parameters = new List <(string Date, double Value)>()
{
("01/10/2020 00:00:00", 1.0),
("01/10/2020 01:00:00", 1.0),
("01/10/2020 02:00:00", 1.0),
("02/15/2020 03:00:00", 2.0),
("02/15/2020 04:00:00", 2.0),
("02/15/2020 05:00:00", 2.0),
("04/01/2020 06:00:00", 3.0),
("04/01/2020 07:00:00", 3.0),
("04/01/2020 08:00:00", 3.0),
};
var transactions = new List <FinancialTransactionDto>();
foreach (var param in parameters)
{
transactions.Add(new FinancialTransactionDto(DateTime.Parse(param.Date), "Ledger", param.Value, "Company"));
}
dailyBalances.InsertBatchOfNewTransactions(transactions);
return(dailyBalances);
}
public void InsertBatchOfNewTransactions_SingleDayThreeTransactions_ReturnsExpectedBalance()
{
// Arrange
IBankAccountDailyBalances dailyBalances = new BankAccountDailyBalances(0.0);
var parameters = new List <(string Date, double Value)>()
{
("01/01/2020 00:00:00", 1.0),
("01/01/2020 00:00:00", 2.0),
("01/01/2020 00:00:00", 3.0),
};
var transactions = new List <FinancialTransactionDto>();
foreach (var param in parameters)
{
transactions.Add(new FinancialTransactionDto(DateTime.Parse(param.Date), "Ledger", param.Value, "Company"));
}
// Act
dailyBalances.InsertBatchOfNewTransactions(transactions);
// Assert
dailyBalances.LastDailyEndingBalance.ShouldEqual(6);
}
public void GetAllDailyBalances_EmptyDailyBalance_ReturnsEmptyArray()
{
// Arrange
IBankAccountDailyBalances dailyBalances = new BankAccountDailyBalances(0.0);
// Act
var expectedBalances = dailyBalances.GetAllDailyBalances();
// Assert
expectedBalances.Count.ShouldEqual(0);
}
public void ForEach_EmptyDailyBalance_DoesNotExecuteAnything()
{
// Arrange
IBankAccountDailyBalances dailyBalances = new BankAccountDailyBalances(0.0);
int count = 0;
// Act
dailyBalances.ForEach(dailyBalance => count += 1);
// Assert
count.ShouldEqual(0);
}
public void InsertSingleNewTransaction_WithCombinationsOfStartAndTransactValues_ReturnsExpectedBalance(double startingValue, double transactionValue, double expectedValue)
{
// Arrange
IBankAccountDailyBalances dailyBalances = new BankAccountDailyBalances(startingValue);
FinancialTransactionDto transaction = new FinancialTransactionDto(DateTime.Parse("01/01/2020 00:00:00"), "Ledger", transactionValue, "Company");
// Act
dailyBalances.InsertSingleNewTransaction(transaction);
// Assert
dailyBalances.LastDailyEndingBalance.ShouldEqual(expectedValue);
}
public void InsertBatchOfNewTransactions_ThreeSparseDaysThreeTransactionsEach_ReturnsExpectedDailyBalance()
{
// Arrange
IBankAccountDailyBalances dailyBalances = new BankAccountDailyBalances(0.0);
var parameters = new List <(string Date, double Value)>()
{
("01/01/2020 00:00:00", 1.0),
("01/01/2020 01:00:00", 1.0),
("01/01/2020 02:00:00", 1.0),
("02/15/2020 03:00:00", 2.0),
("02/15/2020 04:00:00", 2.0),
("02/15/2020 05:00:00", 2.0),
("04/01/2020 06:00:00", 3.0),
("04/01/2020 07:00:00", 3.0),
("04/01/2020 08:00:00", 3.0),
};
var transactions = new List <FinancialTransactionDto>();
foreach (var param in parameters)
{
transactions.Add(new FinancialTransactionDto(DateTime.Parse(param.Date), "Ledger", param.Value, "Company"));
}
// Act
dailyBalances.InsertBatchOfNewTransactions(transactions);
// Assert
var balances = dailyBalances.GetAllDailyBalances();
balances.Count.ShouldEqual(3);
balances[0].Date.ShouldEqual(DateTime.Parse("01/01/2020 00:00:00"));
balances[0].StartingBalance.ShouldEqual(0);
balances[0].TotalTransactionSum.ShouldEqual(3);
balances[0].EndingBalance.ShouldEqual(3);
balances[1].Date.ShouldEqual(DateTime.Parse("02/15/2020 00:00:00"));
balances[1].StartingBalance.ShouldEqual(3);
balances[1].TotalTransactionSum.ShouldEqual(6);
balances[1].EndingBalance.ShouldEqual(9);
balances[2].Date.ShouldEqual(DateTime.Parse("04/01/2020 00:00:00"));
balances[2].StartingBalance.ShouldEqual(9);
balances[2].TotalTransactionSum.ShouldEqual(9);
balances[2].EndingBalance.ShouldEqual(18);
}
public void ForEach_SingleDailyBalance_EachDailyBalanceIsSeen()
{
// Arrange
IBankAccountDailyBalances dailyBalances = new BankAccountDailyBalances(0.0);
FinancialTransactionDto transaction = new FinancialTransactionDto(DateTime.Parse("01/01/2020 00:00:00"), "Ledger", 20.0, "Company");
dailyBalances.InsertSingleNewTransaction(transaction);
var expectedBalances = dailyBalances.GetAllDailyBalances();
List <DateTime> expectedDays = new List <DateTime>();
List <DateTime> visitedDays = new List <DateTime>();
dailyBalances.ForEach(dailyBalance => expectedDays.Add(dailyBalance.Date));
// Act
dailyBalances.ForEach(dailyBalance => visitedDays.Add(dailyBalance.Date));
// Assert
visitedDays.Count.ShouldEqual(expectedBalances.Count);
expectedDays.ShouldEqual(visitedDays);
}
