public async void Init_DataLoadsSuccessfully_LoadsSpeakerAndSessions()
{
var speaker = new Speaker {
Id = 314
};
var session = new Session {
Id = 42, SpeakerId = speaker.Id
};
var data = new CampData {
Sessions = new List <Session> {
session
}, Speakers = new List <Speaker> {
speaker
}
};
DataClient.GetDataBody = () => Task.FromResult(data);
var viewModel = new SpeakerViewModel(Messenger, CodeCampService, ComposeEmailTask);
Assert.True(viewModel.IsLoading);
await viewModel.Init(new SpeakerViewModel.NavigationParameters(speaker.Id));
Assert.False(viewModel.IsLoading);
Assert.AreEqual(speaker, viewModel.Speaker);
Assert.AreEqual(1, viewModel.Sessions.Count);
Assert.AreEqual(session, viewModel.Sessions.First());
}
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 SpeakerViewModel(Messenger, CodeCampService, ComposeEmailTask);
await viewModel.Init(new SpeakerViewModel.NavigationParameters(42));
Assert.NotNull(errorMessage);
Assert.False(viewModel.IsLoading);
Assert.Null(viewModel.Speaker);
Assert.Null(viewModel.Sessions);
}
public async void EmailSpeakerCommand_Executed_StartsComposingEmailToSpeaker()
{
var speaker = new Speaker {
Id = 314, EmailAddress = "*****@*****.**"
};
var data = new CampData {
Speakers = new List <Speaker> {
speaker
}
};
DataClient.GetDataBody = () => Task.FromResult(data);
var viewModel = new SpeakerViewModel(Messenger, CodeCampService, ComposeEmailTask);
await viewModel.Init(new SpeakerViewModel.NavigationParameters(speaker.Id));
viewModel.EmailSpeakerCommand.Execute(null);
Assert.AreEqual(1, ComposeEmailTask.ComposedEmailAddresses.Count);
Assert.AreEqual(speaker.EmailAddress, ComposeEmailTask.ComposedEmailAddresses.First());
}