public void Validate_InvalidAnswerType_Throw()
{
// arrange
var container = CreateContainer();
var wrapper = new PollAnswerValidatorWrapper(container);
var instruction = new MultipleChoiceInstruction(new[] { "A", "B" }, null);
var answer = new SingleChoiceAnswer("A");
// act
Assert.ThrowsAny <Exception>(() => wrapper.Validate(instruction, answer));
}
public void Validate_InvalidAnswer_ReturnFalse()
{
// arrange
var container = CreateContainer();
var wrapper = new PollAnswerValidatorWrapper(container);
var instruction = new MultipleChoiceInstruction(new[] { "A", "B" }, null);
var answer = new MultipleChoiceAnswer(new[] { "C" });
// act
var result = wrapper.Validate(instruction, answer);
// assert
Assert.NotNull(result);
}
public async Task <Unit> Handle(SubmitAnswerRequest request, CancellationToken cancellationToken)
{
var(participant, pollId, answer) = request;
var poll = await _repository.GetPoll(participant.ConferenceId, pollId);
if (poll == null)
{
throw PollError.PollNotFound.ToException();
}
var state = await _repository.GetPollState(participant.ConferenceId, pollId);
if (state?.IsOpen != true)
{
throw PollError.PollClosed.ToException();
}
if (answer == null)
{
if (poll.Config.IsAnswerFinal)
{
throw PollError.AnswerCannotBeChanged.ToException();
}
await _repository.DeletePollAnswer(participant, pollId);
}
else
{
var wrapper = new PollAnswerValidatorWrapper(_context);
var validationResult = wrapper.Validate(poll.Instruction, answer);
if (validationResult != null)
{
throw validationResult.ToException();
}
if (poll.Config.IsAnswerFinal)
{
var existingAnswer = await _repository.GetPollAnswer(participant, pollId);
if (existingAnswer != null)
{
throw PollError.AnswerCannotBeChanged.ToException();
}
}
var key = Guid.NewGuid().ToString("N");
await _repository.SetPollAnswer(participant, pollId, new PollAnswerWithKey(answer, key));
poll = await _repository.GetPoll(participant.ConferenceId, pollId);
if (poll == null)
{
// optimistic concurrency
await _repository.DeletePollAnswers(participant.ConferenceId, pollId);
throw PollError.PollNotFound.ToException();
}
}
await _mediator.Send(new UpdateSynchronizedObjectRequest(participant.ConferenceId,
SynchronizedPollAnswers.SyncObjId(participant.Id)));
await _mediator.Send(new UpdateSynchronizedObjectRequest(participant.ConferenceId,
SynchronizedPollResult.SyncObjId(pollId)));
return(Unit.Value);
}
