/// <inheritdoc />
public async Task <OperationResult <CurrencyRate> > GetRate(CurrencyRequest request)
{
try
{
CurrencyDateCalculationResult currencyDateCalculationResult = this.currencyDateCalculator.Calculate(request);
if (currencyDateCalculationResult == null)
{
return(OperationResult <CurrencyRate> .FromFail("Не удалось получить результат проверки запроса курса валюты"));
}
if (currencyDateCalculationResult.Success == false || currencyDateCalculationResult.Date.HasValue == false)
{
return(OperationResult <CurrencyRate> .FromFail(currencyDateCalculationResult.ErrorMessage));
}
CurrencyRate currencyRate = await this.currencyProvider.GetRate(currencyDateCalculationResult.Date.Value, request.Code);
return(currencyRate != null ? OperationResult <CurrencyRate> .FromSuccess(currencyRate) : OperationResult <CurrencyRate> .FromFail("Не удалось получить курс валюты"));
}
catch (Exception e)
{
this.logger.LogError(e, "Произошла ошибка при получении курса валюты");
return(OperationResult <CurrencyRate> .FromFail("Произошла ошибка при получении курса валюты"));
}
}
private static ICurrencyDateCalculator GetCurrencyDateCalculator(CurrencyDateCalculationResult needResult)
{
Mock <ICurrencyDateCalculator> currencyDateCalculator = new Mock <ICurrencyDateCalculator>();
currencyDateCalculator.Setup(x => x.Calculate(It.IsAny <CurrencyRequest>()))
.Returns(needResult);
return(currencyDateCalculator.Object);
}
public static async Task TestWhenCurrencyDateCalculationResultIsNotSuccess()
{
// Arrange
CurrencyDateCalculationResult currencyDateCalculationResult = new CurrencyDateCalculationResult {
Success = false, ErrorMessage = "Fail"
};
CurrencyService currencyService = new CurrencyService(GetCurrencyProvider(null, null), GetCurrencyDateCalculator(currencyDateCalculationResult), GetLogger());
CurrencyRequest request = new CurrencyRequest {
Code = "AUD", Y = 1, X = 1
};
// Act
OperationResult <CurrencyRate> result = await currencyService.GetRate(request);
// Assert
Assert.NotNull(result);
Assert.False(result.Success);
Assert.True(string.IsNullOrEmpty(result.ErrorMessage) == false);
}
