public async void Init_ExceptionThrown_ReportsError()
{
DataClient.GetDataBody = delegate { throw new Exception(); };
string errorMessage = null;
Messenger.Subscribe<ErrorMessage>(msg => errorMessage = msg.Message);
var viewModel = new SessionViewModel(Messenger, CodeCampService);
await viewModel.Init(new SessionViewModel.NavigationParameters(42));
Assert.NotNull(errorMessage);
Assert.False(viewModel.IsLoading);
Assert.Null(viewModel.Session);
}
public async void Init_DataLoadsSuccessfully_LoadsSession()
{
var session = new Session { Id = 42, SpeakerId = 1 };
var data = new CampData
{
Sessions = new List<Session> {session},
Speakers = new List<Speaker> {new Speaker {Id = 1}},
};
DataClient.GetDataBody = () => Task.FromResult(data);
var viewModel = new SessionViewModel(Messenger, CodeCampService);
Assert.True(viewModel.IsLoading);
await viewModel.Init(new SessionViewModel.NavigationParameters(session.Id));
Assert.False(viewModel.IsLoading);
Assert.AreEqual(session, viewModel.Session);
}
