public void changes_to_the_commentary_property_raise_the_property_changed_event()
{
var model = new MessageModel();
var observer = model.CreateObserver();
model.Process(new AddCommentaryMessage("commentary"));
Assert.True(observer.HasChanged(x => x.Commentary));
}
public void changes_to_the_system_property_raise_the_property_changed_event()
{
var model = new MessageModel();
var observer = model.CreateObserver();
model.Process(new SetSystemMessageMessage("message"));
Assert.True(observer.HasChanged(x => x.System));
}
public void process_throws_when_message_is_null()
{
var model = new MessageModel();
Assert.Throws<ArgumentNullException>(() => model.Process(null));
}
private static MessageModel CreateModel(params Message[] messagesToProcess)
{
var model = new MessageModel();
foreach(var message in messagesToProcess)
{
model.Process(message);
}
return model;
}