public void AbleToHandleCircularReferences_All()
{
CircularObject original = new CircularObject();
original.AddChild();
original.AddChild();
original.FirstChild.AddChild();
var snapshot = ObjectDiffPatch.Snapshot(original).ToString();
ObjectDiffPatch.DefaultSerializerSettings.PreserveReferencesHandling = Newtonsoft.Json.PreserveReferencesHandling.All;
// see http://www.newtonsoft.com/json/help/html/PreserveReferencesHandlingObject.htm
var snapshotWithRefs = ObjectDiffPatch.Snapshot(original).ToString();
Assert.NotEqual(snapshot, snapshotWithRefs);
var updated = ObjectDiffPatch.PatchObject(new CircularObject(), snapshotWithRefs);
// they should be equal
Assert.Equal(Newtonsoft.Json.JsonConvert.SerializeObject(updated, ObjectDiffPatch.DefaultSerializerSettings),
Newtonsoft.Json.JsonConvert.SerializeObject(original, ObjectDiffPatch.DefaultSerializerSettings));
Assert.NotNull(updated.FirstChild);
Assert.NotNull(updated.FirstChild.Parent);
Assert.NotNull(updated.FirstChild.FirstChild);
// revertBack
var diff = ObjectDiffPatch.GenerateDiff(original, new CircularObject());
updated = ObjectDiffPatch.PatchObject(original, diff.NewValues);
//ensure everything is alright
Assert.Null(updated.FirstChild);
Assert.Null(updated.Parent);
Assert.Null(updated.Children);
}
public CircularObject AddChild()
{
var item = new CircularObject()
{
Parent = this
};
if (FirstChild == null)
{
FirstChild = item;
}
if (Children == null)
{
Children = new List <CircularObject> ();
}
Children.Add(item);
return(item);
}
public void AbleToHandleCircularReferences_Ignore()
{
CircularObject original = new CircularObject();
original.AddChild();
original.AddChild();
original.FirstChild.AddChild();
var snapshot = ObjectDiffPatch.Snapshot(original).ToString();
ObjectDiffPatch.DefaultSerializerSettings.PreserveReferencesHandling = Newtonsoft.Json.PreserveReferencesHandling.All;
var snapshotWithRefs = ObjectDiffPatch.Snapshot(original).ToString();
Assert.NotEqual(snapshot, snapshotWithRefs);
var updated = ObjectDiffPatch.PatchObject(new CircularObject(), snapshotWithRefs);
// they should be different, since all circular references are ignored!
Assert.NotEqual(updated, original);
}
public CircularObject AddChild ()
{
var item = new CircularObject () { Parent = this };
if (FirstChild == null)
FirstChild = item;
if (Children == null)
Children = new List<CircularObject> ();
Children.Add (item);
return item;
}
public void AbleToHandleCircularReferences_All ()
{
CircularObject original = new CircularObject ();
original.AddChild ();
original.AddChild ();
original.FirstChild.AddChild ();
var snapshot = ObjectDiffPatch.Snapshot (original).ToString ();
ObjectDiffPatch.DefaultSerializerSettings.PreserveReferencesHandling = Newtonsoft.Json.PreserveReferencesHandling.All;
// see http://www.newtonsoft.com/json/help/html/PreserveReferencesHandlingObject.htm
var snapshotWithRefs = ObjectDiffPatch.Snapshot (original).ToString ();
Assert.NotEqual (snapshot, snapshotWithRefs);
var updated = ObjectDiffPatch.PatchObject (new CircularObject (), snapshotWithRefs);
// they should be equal
Assert.Equal (Newtonsoft.Json.JsonConvert.SerializeObject (updated, ObjectDiffPatch.DefaultSerializerSettings),
Newtonsoft.Json.JsonConvert.SerializeObject (original, ObjectDiffPatch.DefaultSerializerSettings));
Assert.NotNull (updated.FirstChild);
Assert.NotNull (updated.FirstChild.Parent);
Assert.NotNull (updated.FirstChild.FirstChild);
// revertBack
var diff = ObjectDiffPatch.GenerateDiff (original, new CircularObject ());
updated = ObjectDiffPatch.PatchObject (original, diff.NewValues);
//ensure everything is alright
Assert.Null (updated.FirstChild);
Assert.Null (updated.Parent);
Assert.Null (updated.Children);
}
public void AbleToHandleCircularReferences_Ignore ()
{
CircularObject original = new CircularObject ();
original.AddChild ();
original.AddChild ();
original.FirstChild.AddChild ();
var snapshot = ObjectDiffPatch.Snapshot (original).ToString ();
ObjectDiffPatch.DefaultSerializerSettings.PreserveReferencesHandling = Newtonsoft.Json.PreserveReferencesHandling.All;
var snapshotWithRefs = ObjectDiffPatch.Snapshot (original).ToString ();
Assert.NotEqual (snapshot, snapshotWithRefs);
var updated = ObjectDiffPatch.PatchObject (new CircularObject (), snapshotWithRefs);
// they should be different, since all circular references are ignored!
Assert.NotEqual (updated, original);
}
