public void ShouldTrackAddedItems()
{
Initialize();
var listItemToAdd = new PocoListItemAdapter(new PocoListItem());
var c = new ChangeTrackingCollection <PocoListItemAdapter>(_listItems);
Assert.Equal(2, c.Count);
Assert.False(c.IsChanged);
c.Add(listItemToAdd);
Assert.Equal(3, c.Count);
Assert.Equal(1, c.AddedItems.Count);
Assert.Equal(0, c.RemovedItems.Count);
Assert.Equal(0, c.ModifiedItems.Count);
Assert.Equal(listItemToAdd, c.AddedItems.First());
Assert.True(c.IsChanged);
c.Remove(listItemToAdd);
Assert.Equal(2, c.Count);
Assert.Equal(0, c.AddedItems.Count);
Assert.Equal(0, c.RemovedItems.Count);
Assert.Equal(0, c.ModifiedItems.Count);
Assert.False(c.IsChanged);
}
public void ShouldNotTrackAddedItemAsModified()
{
Initialize();
var listItemToAdd = new PocoListItemAdapter(new PocoListItem());
var c = new ChangeTrackingCollection <PocoListItemAdapter>(_listItems);
c.Add(listItemToAdd);
listItemToAdd.Description = "modified entry";
Assert.True(listItemToAdd.IsChanged);
Assert.Equal(3, c.Count);
Assert.Equal(1, c.AddedItems.Count);
Assert.Equal(0, c.RemovedItems.Count);
Assert.Equal(0, c.ModifiedItems.Count);
Assert.True(c.IsChanged);
}
public void ShouldRejectChanges()
{
Initialize();
var listItemToAdd = new PocoListItemAdapter(new PocoListItem {
Id = 3, Title = "TestItem03", Description = "Description03"
});
var listItemToModify = _listItems.First();
var listItemToRemove = _listItems.Skip(1).First();
var c = new ChangeTrackingCollection <PocoListItemAdapter>(_listItems);
c.Add(listItemToAdd);
c.Remove(listItemToRemove);
listItemToModify.Description = "modified item";
Assert.Equal("Description01", listItemToModify.DescriptionOriginal);
Assert.Equal(2, c.Count);
Assert.Equal(1, c.AddedItems.Count);
Assert.Equal(1, c.ModifiedItems.Count);
Assert.Equal(1, c.RemovedItems.Count);
c.RejectChanges();
Assert.Equal(2, c.Count);
Assert.True(c.Contains(listItemToModify));
Assert.True(c.Contains(listItemToRemove));
Assert.Equal(0, c.AddedItems.Count);
Assert.Equal(0, c.ModifiedItems.Count);
Assert.Equal(0, c.RemovedItems.Count);
Assert.False(listItemToModify.IsChanged);
Assert.Equal("Description01", listItemToModify.Description);
Assert.Equal("Description01", listItemToModify.DescriptionOriginal);
Assert.False(c.IsChanged);
}
private void InitializeComplexProperties(PocoTestClass model)
{
ComplexProp = new PocoListItemAdapter(model.ComplexProp);
RegisterComplex(ComplexProp);
}
