public async Task HandleAsync(EmailAccepted @event)
{
if (@event == null)
{
throw new ArgumentNullException(nameof(@event));
}
var process = await GetProcessOrExceptionAsync(@event.UserId);
var user = process.CreateUser();
await _userRepository.SaveAsync(user);
}
private void describe_HandleAsync_EmailAccepted()
{
var emailAccepted = new EmailAccepted(_userId);
context["when user registration process is in CreatingUser state"] = () =>
{
before = () =>
{
var process = UserRegistrationProcessMother.InCreatingUserState(_userId);
_userRegistrationProcessRepository.SaveAsync(process).Wait();
_sut.HandleAsync(emailAccepted).Wait();
};
it["saves UserCreated event"] =
() => _eventStore.LastSavedEvents.Single().should_cast_to <UserCreated>();
it["is idempotent"] = () =>
{
_sut.HandleAsync(emailAccepted).Wait();
_eventStore.LastSavedEvents.should_be_empty();
};
};
}