static void Main(string[] args)
{
var path = "C:\\Users\\kater\\Documents\\dot-net\\CurrencyExchangeRate\\CurrencyExchangeRate\\Data\\ExchangeRates.json";
ILogger logger = new ConsoleLogger();
DisplayMessageService displayMessageService = new DisplayMessageService(logger);
displayMessageService.WriteCommand("Usage: Exchange <currency pair> <amount to exchange>");
var userResponse = displayMessageService.ReadCommand();
FetchData fetchData = new FetchData();
var exchangeRates = fetchData.LoadJson(path);
InputProcessingService inputProcessingService = new InputProcessingService();
ParseInputService parseInput = new ParseInputService(inputProcessingService, exchangeRates);
var userCurrencyInputObject = parseInput.ParseInput(userResponse);
ExchangeRateCalculationService exchangeRateCalculationService = new ExchangeRateCalculationService();
var result = exchangeRateCalculationService.CalculateExchangeRate(userCurrencyInputObject);
displayMessageService.WriteCommand($"The result is {result}");
displayMessageService.ReadCommand();
}
public void ExchangeRateCalculationService_GivenCurrencies_CalculateCorrectExchange(string currencyFrom, string currencyTo, int result)
{
//Arange
var path = "C:\\Users\\kater\\Documents\\dot-net\\CurrencyExchangeRate\\CurrencyExchangeRate\\Data\\ExchangeRates.json";
FetchData fetchData = new FetchData();
var exchangeRates = fetchData.LoadJson(path);
var currencyExchangeFrom = exchangeRates.Where(c => c.ISO == currencyFrom).FirstOrDefault();
var currencyExchangeTo = exchangeRates.Where(c => c.ISO == currencyTo).FirstOrDefault();
var amount = 2;
var userInputObject = new UserCurrencyInput()
{
Amount = amount,
ExchangeCurrencyFrom = currencyExchangeFrom,
ExchangeCurrencyTo = currencyExchangeTo
};
//Act
var rateCalculation = new ExchangeRateCalculationService();
var rateResult = rateCalculation.CalculateExchangeRate(userInputObject);
//Assert
result.Should().Be(result);
}