public void EmptyListOfTransaction()
{
IMonthsRangeIdentifier monthsRangeIdentifier = new MonthsRangeIdentifier();
// Select all months.
var months = monthsRangeIdentifier.GetMonthsInTransaction(transactions: null);
Assert.NotNull(months);
Assert.Equal(expected: 0, actual: months.Count());
// Only months in 2017
months = monthsRangeIdentifier.GetMonthsInTransaction(transactions: null, greaterOrEqualThanDate: new DateTime(2017, 2, 2));
Assert.NotNull(months);
Assert.Equal(expected: 0, actual: months.Count());
}
public void TestSelectMonths()
{
IEnumerable <BankTransaction> transactions = new List <BankTransaction>()
{
new BankTransaction()
{
TransactionTime = new DateTime(2016, 6, 12)
},
new BankTransaction()
{
TransactionTime = new DateTime(2016, 6, 15)
},
new BankTransaction()
{
TransactionTime = new DateTime(2016, 6, 8)
},
new BankTransaction()
{
TransactionTime = new DateTime(2016, 8, 12)
},
new BankTransaction()
{
TransactionTime = new DateTime(2016, 9, 12)
},
new BankTransaction()
{
TransactionTime = new DateTime(2017, 9, 1)
},
new BankTransaction()
{
TransactionTime = new DateTime(2017, 3, 20)
}
};
IMonthsRangeIdentifier monthsRangeIdentifier = new MonthsRangeIdentifier();
// Select all months.
var months = monthsRangeIdentifier.GetMonthsInTransaction(transactions);
Assert.NotNull(months);
Assert.Equal(expected: 5, actual: months.Count());
// Only months in 2017
months = monthsRangeIdentifier.GetMonthsInTransaction(transactions, greaterOrEqualThanDate: new DateTime(2017, 2, 2));
Assert.NotNull(months);
Assert.Equal(expected: 2, actual: months.Count());
}