public async Task <IActionResult> Calcular(
[FromServices] CalculadoraJurosHandler handler,
[SwaggerParameter(Required = true)][FromQuery] CalculoCommand command)
{
var result = await handler.Calcular(command);
return(Ok(result));
}
public void Calcular_QuandoCommandForNull_DeveLancarExcecao()
{
handler.Calcular(null).Should();
handler.Invoking(x => x.Calcular(null))
.Should().ThrowExactly <ArgumentNullException>();
}