public void ShouldCalculateNotIncludeFixedFeeFor0Fee()
{
var fixedFeeTransactionFeeCalculator = new FixedFeeTransactionFeeCalculator(new BasicTransactionFeeCalculator(1), 29);
var firstTransactionInMonthMerchant1 = new Transaction
{
TransactionDate = new DateTime(2018, 09, 02),
MerchantName = "MERCHANT1",
Amount = 0
};
Assert.AreEqual(fixedFeeTransactionFeeCalculator.GetTransactionFee(firstTransactionInMonthMerchant1), 0);
}
public void ShouldCalculateFixedFeeForProvidedFee()
{
var fixedFeeTransactionFeeCalculator = new FixedFeeTransactionFeeCalculator(new BasicTransactionFeeCalculator(1), 29);
// First transaction in the month for MERCHANT1
var firstTransactionInMonthMerchant1 = new Transaction
{
TransactionDate = new DateTime(2018, 09, 02),
MerchantName = "MERCHANT1",
Amount = 120
};
Assert.AreEqual(fixedFeeTransactionFeeCalculator.GetTransactionFee(firstTransactionInMonthMerchant1), 30.20);
// First transaction in the month for MERCHANT2
var firstTransactionInMonthMerchant2 = new Transaction
{
TransactionDate = new DateTime(2018, 09, 04),
MerchantName = "MERCHANT2",
Amount = 200
};
Assert.AreEqual(fixedFeeTransactionFeeCalculator.GetTransactionFee(firstTransactionInMonthMerchant2), 31.00);
// First transaction in the another month for MERCHANT1
var firstTransactionInAnotherMonthMerchant1 = new Transaction
{
TransactionDate = new DateTime(2018, 10, 22),
MerchantName = "MERCHANT1",
Amount = 300
};
Assert.AreEqual(fixedFeeTransactionFeeCalculator.GetTransactionFee(firstTransactionInAnotherMonthMerchant1), 32.00);
// Second transaction in the another month for MERCHANT1
var secondTransactionInAnotherMonthMerchant1 = new Transaction
{
TransactionDate = new DateTime(2018, 10, 29),
MerchantName = "MERCHANT1",
Amount = 150
};
Assert.AreEqual(fixedFeeTransactionFeeCalculator.GetTransactionFee(secondTransactionInAnotherMonthMerchant1), 1.50);
}
