public async void should_fail_when_args_is_equal_to_zero()
{
var mockTaxasService = new Mock <ITaxasProviderService>();
var service = new CalculoService(mockTaxasService.Object);
var result = await service.CalculaJuros(0, 0);
Assert.False(result.Succeeded);
}
public async void should_calculate_interests_according_to_args_and_tax(decimal valorInicial, int meses, decimal taxaJuros, decimal valorFinalEsperado)
{
var mockTaxasService = new Mock <ITaxasProviderService>();
mockTaxasService.Setup(srv => srv.GetTaxaJuros()).Returns(Task.FromResult(new Status <decimal>(taxaJuros)));
var service = new CalculoService(mockTaxasService.Object);
var result = await service.CalculaJuros(valorInicial, meses);
Assert.True(result.Succeeded);
Assert.Equal(valorFinalEsperado, result.Value);
}
public async void should_fail_when_taxas_provider_fails()
{
var errorMessage = "test message";
var mockTaxasService = new Mock <ITaxasProviderService>();
mockTaxasService.Setup(srv => srv.GetTaxaJuros()).Returns(Task.FromResult(new Status <decimal>(errorMessage: errorMessage)));
var service = new CalculoService(mockTaxasService.Object);
var result = await service.CalculaJuros(10, 10);
Assert.False(result.Succeeded);
Assert.Equal(errorMessage, result.ErrorMessage);
}
