public void CalculatorService_ComputeTotalTransactionValueByCurrency_Throws_Exception_When_Missing_Rate()
{
// Arrange
IEnumerable <BusinessTransaction> transactions = GetTestData.GetTestTransactions();
IEnumerable <ConversionRate> rates = GetTestData.GetTestRates();
CalculatorService calculator = new CalculatorService();
IEnumerable <Amount> amounts = transactions.Select(t => new Amount {
Value = t.Amount, Currency = t.Currency
});
// Act
decimal total = calculator.ComputeTotalTransactionValueByCurrency(amounts, rates, CurrencyCode.TRY);
// Assert - Expects exception
}
public void CalculatorService_ComputeTotalTransactionValueByCurrency_Returns_Correct_Total_With_Existing_Rates()
{
// Arrange
IEnumerable <BusinessTransaction> transactions = GetTestData.GetTestTransactions();
IEnumerable <ConversionRate> rates = GetTestData.GetTestRates();
CalculatorService calculator = new CalculatorService();
IEnumerable <Amount> amounts = transactions.Select(t => new Amount {
Value = t.Amount, Currency = t.Currency
});
// Act
decimal total = calculator.ComputeTotalTransactionValueByCurrency(amounts, rates, CurrencyCode.EUR);
//Assert
Assert.AreEqual(69.13172M, total);
}
