public decimal CalculateMoneyCurrencyAmount(IExchangePair exchangePair)
{
decimal mainCurrencyRate = _exchangeRates.GetRate(exchangePair.MainCurrency);
decimal moneyCurrencyRate = _exchangeRates.GetRate(exchangePair.MoneyCurrency);
return((exchangePair.Amount * mainCurrencyRate) / moneyCurrencyRate);
}
public void CalculateMoneyCurrencyAmountTest(IExchangePair exchangePair, decimal expectedAmount, string expectedException)
{
try
{
var actualAmount = _exchangeService.CalculateMoneyCurrencyAmount(exchangePair);
Assert.IsTrue(AreEqual(actualAmount, expectedAmount), $"Expected amount should be {expectedAmount}, but actual is {actualAmount}");
Assert.IsTrue(string.IsNullOrEmpty(expectedException));
}
catch (Exception e)
{
Assert.IsTrue(e.Message == expectedException, $"Expected exception should be \"{expectedException}\", but actual is \"{e.Message}\"");
}
}
public void ArgumentsToExchangePairTests(string[] args, IExchangePair expectedExchangePair, string expectedException)
{
try
{
var actualExchangePair = _exchangeArgumentParserService.ArgumentsToExchangePair(args);
Assert.IsTrue(actualExchangePair.MainCurrency.Iso == expectedExchangePair.MainCurrency.Iso,
$"Expected {expectedExchangePair.MainCurrency.Iso}, actual {actualExchangePair.MainCurrency.Iso}");
Assert.IsTrue(actualExchangePair.MoneyCurrency.Iso == expectedExchangePair.MoneyCurrency.Iso,
$"Expected amount should be {expectedExchangePair.MoneyCurrency.Iso}, but actual is {actualExchangePair.MoneyCurrency.Iso}");
Assert.IsTrue(actualExchangePair.Amount == expectedExchangePair.Amount,
$"Expected amount should be {expectedExchangePair.Amount}, but actual is {actualExchangePair.Amount}");
Assert.IsTrue(string.IsNullOrEmpty(expectedException));
}
catch (Exception e)
{
Assert.IsTrue(e.Message == expectedException, $"Expected exception should be \"{expectedException}\", but actual is \"{e.Message}\"");
}
}
