public async Task <string> Handle(CalculateInterestCommand request, CancellationToken cancellationToken)
{
var interest = await _interestTaxClienthttp.GetInterestTaxAsync();
if (string.IsNullOrWhiteSpace(interest))
{
_notification.RaiseError("Não foi possível obter a taxa de juros.");
return(default);
public async Task Should_Calculate_Interest(double initialValue, int months, string expectedResult)
{
_http.GetInterestTaxAsync().ReturnsForAnyArgs(x =>
{
return(Task.FromResult("0.01"));
});
var calculateInterestCommand = new CalculateInterestCommand(initialValue, months);
var result = await new CalculateInterestHandler(_http, _notification, _configuration).Handle(calculateInterestCommand, new CancellationToken());
Assert.True(result == expectedResult);
Assert.True(!_notification.HasNotifications());
}