public void Should_convert_the_amount_when_target_currency_is_different_triangulation()
{
Currency cadCurrency = new Currency("CAD");
Currency eurCurrency = new Currency("EUR");
Amount eurAmount = new Amount(10, eurCurrency);
IRates rates = Substitute.For <IRates>();
Rate eurCadRate = new Rate(1.5m);
rates.GetRateOf(cadCurrency).Returns(eurCadRate);
Converter converter = new Converter(rates);
Amount convertedAmount = converter.Convert(eurAmount, cadCurrency);
Amount expectedAmount = new Amount(15, cadCurrency);
Check.That(convertedAmount).IsEqualTo(expectedAmount);
}
public void Should_convert_the_amount_when_target_currency_is_different()
{
Currency usdCurrency = new Currency("USD");
Currency eurCurrency = new Currency("EUR");
Amount eurAmount = new Amount(10, eurCurrency);
IRates rates = Substitute.For <IRates>();
var eurUsdRate = new Rate(1.14m);
rates.GetRateOf(usdCurrency).Returns(eurUsdRate);
Converter converter = new Converter(rates);
Amount convertedAmount = converter.Convert(eurAmount, usdCurrency);
Amount expectedAmount = new Amount(11.4m, usdCurrency);
Check.That(convertedAmount).IsEqualTo(expectedAmount);
}
public Amount Convert(Amount amount, Currency targetCurrency)
{
Rate conversionRate = _rates.GetRateOf(targetCurrency);
return(amount.Convert(targetCurrency, conversionRate));
}