public async Task <Nivel> Handle(ObterNivelPorIdQuery request, CancellationToken cancellationToken)
{
if (!await request.EhValido())
{
return(null);
}
return(await _nivelRepository.ObterPorId(request.Id));
}
public async Task ObterPorId_DeveInvalidarQueryQuandoIdForVazio()
{
var query = new ObterNivelPorIdQuery(Guid.Empty);
var queryHandler = new NivelQueryHandler(_nivelRepository);
await queryHandler.Handle(query, CancellationToken.None);
(await query.EhValido()).Should().Be(false);
query.ValidationResult.Errors
.Should()
.Contain(error => error.ErrorMessage == "Id deve possuir conteúdo");
}