public async Task Should_Not_Calculate_Interest_Because_Has_Notification()
{
var calculateInterestCommand = new CalculateInterestCommand(100, 5);
await new CalculateInterestHandler(_http, _notification, _configuration).Handle(calculateInterestCommand, new CancellationToken());
Assert.True(_notification.HasNotifications());
}
public void CalculateInterestCommand_WithoutUrl_Valid()
{
//Arrange
_command = CalculateInterestCommand.CalculateInterestRateCommandFactory.Create(100, 5, "url");
//Act
var isValid = _command.IsValid();
//Assert
Assert.IsTrue(isValid);
}
public void CalculateInterestCommand_WithoutTime_Invalid()
{
//Arrange
_command = CalculateInterestCommand.CalculateInterestRateCommandFactory.Create(100, 0, "url");
//Act
var isValid = _command.IsValid();
//Assert
Assert.IsFalse(isValid);
}
public async Task <ActionResult <RespostaRequisicao> > Post(
decimal?valorInicial, int?meses,
[FromServices] InterestCalculatorHandler handler,
CancellationToken cancellationToken)
{
var command = new CalculateInterestCommand(valorInicial, meses);
var commandResult = (CommandResult)await handler.Handle(command, cancellationToken);
return(commandResult.Sucess ?
new OkObjectResult(new RespostaRequisicao(true, commandResult.Message, (decimal?)commandResult.Data)) :
new BadRequestObjectResult(new RespostaRequisicao(false, commandResult.Message, (decimal?)null)));
}
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());
}
public async Task <Event <decimal> > Handler(CalculateInterestCommand command)
{
if (!command.IsValid())
{
return(Event <decimal> .CreateError("Valores inválidos."));
}
var interestRate = await _getInterestRateHandler.Handler(GetInterestRateCommand.GetInterestRateCommandFactory.Create(command.UrlInterestRate));
if (!interestRate.Valid)
{
return(Event <decimal> .CreateError(interestRate.Error));
}
var interest = (decimal)Math.Pow((double)(1 + interestRate.Value), command.Time);
var result = command.Value * interest;
result = Math.Truncate(result * 100) / 100; //trunc
return(Event <decimal> .CreateSuccess(result));
}
public async Task <IActionResult> CalculateInterestAsync([FromQuery] CalculateInterestCommand command)
{
var response = await _mediator.Send(command);
return(HandleResponse(response));
}