public void Add()
{
var col = Bag.Of <ViewModel>()
.WithConvertor((Dto x) => new ViewModel(x))
.WithId(x => x.Id)
.Build();
var added = new Dto {
Id = 2, Name = "two"
};
col.Change(new NotificationEventArgs(added, OperationType.Add));
Assert.AreEqual(1, col.Count);
Assert.AreEqual(added, col.First().Dto);
}
public void Delete()
{
var item1 = new ViewModel(new Dto {
Id = 1, Name = "one"
});
var item2 = new ViewModel(new Dto {
Id = 2, Name = "two"
});
var col = Bag.Of <ViewModel>()
.WithConvertor((Dto x) => new ViewModel(x))
.WithId(x => x.Id)
.Loads(() => new ViewModel[] { item1, item2 })
.Build();
var deletedItem = new Dto {
Id = 1, Name = "one"
};
col.Change(new NotificationEventArgs(deletedItem, OperationType.Delete));
Assert.AreEqual(1, col.Count);
Assert.AreEqual("two", col.First().Name);
}
public void Edit()
{
var item1 = new ViewModel(new Dto {
Id = 1, Name = "one"
});
var item2 = new ViewModel(new Dto {
Id = 2, Name = "two"
});
var col = Bag.Of <ViewModel>()
.WithConvertor((Dto x) => new ViewModel(x))
.WithId(x => x.Id)
.Loads(() => new ViewModel[] { item1, item2 })
.Build();
var item3 = new Dto {
Id = 2, Name = "updated two"
};
col.Change(new NotificationEventArgs(item3, OperationType.Update));
Assert.AreEqual(2, col.Count);
Assert.AreEqual(2, col.Last().Id);
Assert.AreEqual("updated two", col.Last().Name);
}
public ViewModel(Dto dto)
{
Dto = dto;
}