public void RecursiveItemsAreOnlyRecursiveItemsTest()
{
var first = new ExtendedClassWithRecursion();
first.Name = "first";
var second = new ExtendedClassWithRecursion();
second.Name = "second";
var third = new ClassWithRecursion();
third.Name = "third";
first.Subclass = second;
second.Subclass = first;
first.AnotherSubclass = third;
third.Subclass = second;
var sourceTree = new ObjectTreeItem(first);
sourceTree.CreateTree();
foreach (var recursiveSourceTreeItem in sourceTree.RecursionObjectTreeItems)
{
//if (!ReferenceEquals(recursiveSourceTreeItem.Parent.Item, first))
if (recursiveSourceTreeItem.Item != first)
{
// Tree contains errors, if recursive tree items does not contain root as any of their child
Trace.TraceInformation(sourceTree.ToFormattedString());
throw new Exception("<<<< BUG IN OBJECT TREE>>>>>\n" +
"In: \"" + recursiveSourceTreeItem.Item + "\"\n" +
"Expected Item: \"" + first + "\"\n" +
"Actual Items: \"" + recursiveSourceTreeItem.ToFormattedString());
}
}
}
public void CreateTreeProperly()
{
var first = new ClassWithRecursion();
first.Name = "First";
var second = new ClassWithRecursion();
second.Name = "Second";
first.Subclass = second;
var sourceTree = new ObjectTreeItem(first);
sourceTree.CreateTree();
Trace.WriteLine(sourceTree.ToFormattedString());
Assert.IsNull(sourceTree.Parent);
Assert.IsNotNull(sourceTree.Childs);
Assert.IsTrue(IEnumerableExtensions.Any(sourceTree.Childs));
Assert.AreEqual(2, sourceTree.Childs.Count);
Assert.AreEqual(first, sourceTree.Item);
Assert.IsTrue(sourceTree.Childs.Any(item => item.Item == second));
foreach (var objectTreeItem in sourceTree.Childs)
{
Assert.AreEqual(sourceTree, objectTreeItem.Parent);
}
}
// [ExpectedException(typeof(AssertFailedException))]
public void TreeContainsCorrectRecuriveTreeItems()
{
var first = new ExtendedClassWithRecursion();
first.Name = "first";
var second = new ExtendedClassWithRecursion();
second.Name = "second";
var third = new ClassWithRecursion();
third.Name = "third";
first.Subclass = second;
second.Subclass = first;
first.AnotherSubclass = third;
third.Subclass = second;
var sourceTree = new ObjectTreeItem(first);
sourceTree.CreateTree();
Trace.WriteLine(string.Join("\n", sourceTree.RecursionObjectTreeItems.Select(item => item.Parent.Item)));
Assert.AreEqual(2, sourceTree.RecursionObjectTreeItems.Count);
Assert.IsTrue(sourceTree.RecursionObjectTreeItems.Any(item => item.Parent.Item == second));
Assert.IsFalse(sourceTree.RecursionObjectTreeItems.Any(item => item.Parent.Item == first));
Assert.IsFalse(sourceTree.RecursionObjectTreeItems.Any(item => item.Parent.Item == third));
}
private void BuildListTree <T>(params T[] arrayElements)
{
var instance = new ClassWithMembers <List <T> >(arrayElements.ToList(), arrayElements.ToList());
var treeItem = new ObjectTreeItem(instance);
treeItem.CreateTree();
Trace.WriteLine(treeItem.ToFormattedString());
}
public void TreeCanHandleGuid()
{
var instance = new ClassWithMembers <Guid>(new Guid(), new Guid());
var treeItem = new ObjectTreeItem(instance);
treeItem.CreateTree();
Trace.WriteLine(treeItem.ToFormattedString());
}
private void TestObjectTreeCreation <T>(T property, T field)
{
var instance = new ClassWithMembers <T>(field, property);
var treeItem = new ObjectTreeItem(instance);
treeItem.CreateTree();
Trace.WriteLine(treeItem.ToFormattedString());
}
public void TreeCanHandleIpAddress()
{
var instance = new ClassWithMembers <IPAddress>(new IPAddress(19216811), new IPAddress(19216811));
var treeItem = new ObjectTreeItem(instance);
treeItem.CreateTree();
Trace.WriteLine(treeItem.ToFormattedString());
}
public static DifferenceItem FromBranchRemoved(ObjectTreeItem source)
{
if (source is INodeObjectTreeItem node)
{
var children = node.Children.Select(n => FromBranchRemoved(n)).ToArray();
return(new DifferenceItemContainer(children, source, null, DiffType.Removed));
}
else
{
return(new DifferenceItem(source, null, DiffType.Removed));
}
}
public void TreeCanHandleEnumberable()
{
var action = new Func <IEnumerable <string> >(CreateString);
var instance = new ClassWithMembers <IEnumerable <string> >(action.Invoke(), new List <string>());
var treeItem = new ObjectTreeItem(instance);
treeItem.CreateTree();
Trace.WriteLine(treeItem.ToFormattedString());
}
public static DifferenceItem FromBranchModified(ObjectTreeItem current, ObjectTreeItem next)
{
if (next is INodeObjectTreeItem node)
{
var children = node.Children.Select(n => FromBranchAdded(n)).ToArray();
return(new DifferenceItemContainer(children, current, next, DiffType.None));
}
else
{
return(new DifferenceItem(current, next, DiffType.None));
}
}
public void TreeCanHandleDelegates()
{
Del del = delegate(string name)
{ Console.WriteLine("Notification received for: {0}", name); };
var instance = new ClassWithMembers <Delegate>(del);
var treeItem = new ObjectTreeItem(instance);
treeItem.CreateTree();
Trace.WriteLine(treeItem.ToFormattedString());
}
/// <summary>
///
/// </summary>
/// <param name="current"></param>
/// <param name="next"></param>
/// <returns></returns>
/// <remarks>
/// Root has to be the same type, no property.
/// Also it can't be a primitive
/// </remarks>
public static DifferenceItem CreateDifferenceTree(ObjectTreeItem current, ObjectTreeItem next)
{
if (ReferenceEquals(current, null))
{
if (!ReferenceEquals(next, null))
{
return(FromBranchAdded(next));
}
else
{
// when both are null
return(null);
}
}
if (!ReferenceEquals(current, null))
{
if (ReferenceEquals(next, null))
{
return(new DifferenceItem(current, null, DiffType.Removed));
}
}
if (ReferenceEquals(current.Source, next.Source))
{
return(null);
}
if (current.GetType() != next.GetType())
{
var removed = FromBranchRemoved(current);
var added = FromBranchAdded(next);
return(new DifferenceItemContainer(new[] { removed, added }, current, next, DiffType.Modified));
}
// from this point both states are same type
else if (current is StateObjectTreeItem currentState)
{
var nextState = (StateObjectTreeItem)next;
return(FromNamedProperties(currentState, nextState));
}
else if (current is DictionaryObjectTreeItem currentDictionary)
{
var nextDictionary = (DictionaryObjectTreeItem)next;
return(FromNamedProperties(currentDictionary, nextDictionary));
}
else if (current is ListObjectTreeItem)
{
return(FromList((ListObjectTreeItem)current, (ListObjectTreeItem)next));
}
else if (current is PrimitiveObjectTreeItem)
{
return(FromPrimitive((PrimitiveObjectTreeItem)current, (PrimitiveObjectTreeItem)next));
}
throw new Exception($"Unknown source type {current.GetType().Name}");
}
public void TreeCanHandleOwnGenericList()
{
var instance = new ClassWithMembers <OwnGenericListClass <string> >(new OwnGenericListClass <string>()
{
"test1", "test2"
}, new OwnGenericListClass <string>());
var treeItem = new ObjectTreeItem(instance);
treeItem.CreateTree();
Trace.WriteLine(treeItem.ToFormattedString());
}
public Step(int key, ReduxAction action, object state, ObjectData actionData, ObjectTreeItem actionTreeItem, ObjectData stateData, ObjectTreeItem stateTreeItem,
DifferenceItem differenceItem, bool differenceCalculated)
{
Key = key;
Action = action;
State = state;
ActionData = actionData;
ActionTreeItem = actionTreeItem;
StateData = stateData;
StateTreeItem = stateTreeItem;
DifferenceItem = differenceItem;
DifferenceCalculated = differenceCalculated;
}
// [ExpectedException(typeof(AssertFailedException))]
public void SelfReferencingObjectIsProperlyCreated()
{
var first = new ClassWithRecursion();
first.Name = "first";
first.Subclass = first;
var sourceTree = new ObjectTreeItem(first);
sourceTree.CreateTree();
Trace.WriteLine(sourceTree.ToFormattedString());
Assert.AreEqual(1, sourceTree.RecursionObjectTreeItems.Count);
Assert.IsTrue(sourceTree.RecursionObjectTreeItems.Any(item => item.Parent.Item == first));
Assert.AreSame(sourceTree.Item, sourceTree.Childs.First(item => item.Item == sourceTree.Item).Item);
}
public void TreeCanHandleFunctions()
{
var instance1 = new ClassWithMembers <Func <string, int> >(s => 5);
var instance2 = new ClassWithMembers <Func <string> >(() => "test", () => "test");
var instance3 = new ClassWithMembers <Func <string> >(() => "test", () => "test");
var treeItem1 = new ObjectTreeItem(instance1);
var treeItem2 = new ObjectTreeItem(instance2);
var treeItem3 = new ObjectTreeItem(instance3);
treeItem1.CreateTree();
treeItem2.CreateTree();
treeItem3.CreateTree();
Trace.WriteLine(treeItem1.ToFormattedString());
Trace.WriteLine(treeItem2.ToFormattedString());
Trace.WriteLine(treeItem3.ToFormattedString());
}
public static bool AreKeysEqual(ObjectTreeItem left, ObjectTreeItem right)
{
var leftObjectSource = left.Source;
var rightObjectSource = right.Source;
if (leftObjectSource is null || rightObjectSource is null || leftObjectSource.GetType() != rightObjectSource.GetType())
{
return(false);
}
// state objects might implement keys
var leftStateObject = left as StateObjectTreeItem;
var rightStateObject = right as StateObjectTreeItem;
if (!(leftStateObject is null) && !(rightStateObject is null))
{
return(Equals(leftStateObject.Key, rightStateObject.Key));
}
// just check for equality
return(Equals(left, right));
}
// [ExpectedException(typeof(AssertFailedException))]
public void ToFormattedStringTest()
{
var first = new ExtendedClassWithRecursion();
first.Name = "first";
var second = new ExtendedClassWithRecursion();
second.Name = "second";
var third = new ClassWithRecursion();
third.Name = "third";
first.Subclass = second;
second.Subclass = first;
first.AnotherSubclass = third;
third.Subclass = second;
var sourceTree = new ObjectTreeItem(first);
sourceTree.CreateTree();
Trace.WriteLine(sourceTree.ToFormattedString());
}
public static ObjectTreeItem ToTreeHierarchy(ObjectTreeItem parent, ObjectData source, int depth, string propertyName)
{
if (depth > MaxDepth)
{
throw new Exception("Object graph is too deep");
}
switch (source)
{
case StateObjectData state:
return(FormatState(parent, depth, propertyName, state));
case ListData list:
return(FormatList(parent, depth, propertyName, list));
case DictionaryData dictionary:
return(FormatDictionary(parent, depth, propertyName, dictionary));
case PrimitiveData primitive:
return(FormatPrimitive(parent, depth, propertyName, primitive));
default:
throw new Exception($"Unknown ObjectData {source.GetType()}");
}
}
public async Task <RootState> ReduceAsync(RootState state, ReduxAction action, CancellationToken ct)
{
RootState result;
switch (action)
{
case InsertNewAction insertNew:
int key = state.Steps.Length;
var actionDataTask = Task.Run(() => PropertiesCollector.Collect(insertNew.Action), ct);
var stateDataTask = Task.Run(() => PropertiesCollector.Collect(insertNew.State), ct);
await actionDataTask.ConfigureAwait(false);
var actionTreeItem = await Task.Run(() => {
string actionName = StateFormatter.GetActionName(insertNew.Action);
return(StateFormatter.ToTreeHierarchy(actionDataTask.Result, actionName));
}).ConfigureAwait(false);
await stateDataTask.ConfigureAwait(false);
result = state.Clone(steps: state.Steps.Spread(
new Step(key, insertNew.Action, insertNew.State, actionData: actionDataTask.Result,
actionTreeItem: actionTreeItem,
stateData: stateDataTask.Result, stateTreeItem: null, differenceItem: null, differenceCalculated: false)));
break;
case GenerateTreeHierarchyAction generateTreeHierarchy:
{
Step selectedStep = state.SelectedStep;
result = state;
if (selectedStep != null)
{
if (selectedStep.StateTreeItem is null)
{
var hierarchy = StateFormatter.ToTreeHierarchy(selectedStep.StateData);
Step updated = selectedStep.Clone(stateTreeItem: hierarchy);
result = result.Clone(steps: state.Steps.Replace(selectedStep, updated), selectedStep: updated);
selectedStep = updated;
}
if (!selectedStep.DifferenceCalculated)
{
// first check if previous step has StateTree
var selectedStepIndex = Array.IndexOf(result.Steps, selectedStep);
var previousStep = selectedStepIndex > 0 ? result.Steps[selectedStepIndex - 1] : null;
ObjectTreeItem previousHierarchy = null;
if (previousStep != null)
{
if (previousStep.StateTreeItem == null)
{
previousHierarchy = StateFormatter.ToTreeHierarchy(previousStep.StateData);
Step previousUpdated = previousStep.Clone(stateTreeItem: previousHierarchy);
result = result.Clone(steps: result.Steps.Replace(previousStep, previousUpdated));
}
else
{
previousHierarchy = previousStep.StateTreeItem;
}
}
var difference = TreeComparer.CreateDifferenceTree(previousHierarchy, selectedStep.StateTreeItem);
Step updated = selectedStep.Clone(differenceItem: difference, differenceCalculated: true);
result = result.Clone(steps: result.Steps.Replace(selectedStep, updated), selectedStep: updated);
}
}
}
break;
case SelectedStepChangedAction selectedStepChanged:
{
var selectedStep = selectedStepChanged.Key.HasValue ? state.Steps.Single(s => s.Key == selectedStepChanged.Key) : null;
result = state.Clone(selectedStep: selectedStep);
}
break;
default:
result = state;
break;
}
return(result);
}
private static IEnumerable <ObjectTreeItem> GetChildren(IEnumerable <ObjectTreeItem> forestElements, ObjectTreeItem parent)
{
return(forestElements.Where(i => i.ParentId == parent.Id));
}
private static void AddChildrenToTreeElements(List <ObjectTreeItem> treeElements, IEnumerable <ObjectTreeItem> forestElements, ObjectTreeItem parent)
{
var children = GetChildren(forestElements, parent);
var goodChildren = children.Where(c => !AreAlreadyInGraph(treeElements, GetChildren(forestElements, c)));
treeElements.AddRange(goodChildren);
foreach (var goodChild in goodChildren)
{
AddChildrenToTreeElements(treeElements, forestElements, goodChild);
}
}
public static PrimitiveObjectTreeItem FormatPrimitive(ObjectTreeItem parent, int depth, string propertyName, PrimitiveData source)
{
return(new PrimitiveObjectTreeItem(source.Value, parent, propertyName, source));
}
public static ListObjectTreeItem FormatList(ObjectTreeItem parent, int depth, string propertyName, ListData source)
{
return(new ListObjectTreeItem(parent, propertyName, source, depth));
}
public static DictionaryObjectTreeItem FormatDictionary(ObjectTreeItem parent, int depth, string propertyName, DictionaryData source)
{
return(new DictionaryObjectTreeItem(parent, propertyName, source, depth));
}
/// <summary>
/// Creates <see cref=" StateObjectTreeItem"/>. Besides properties it could implement either a <see cref="IDictionary"/> or <see cref="IEnumerable"/>
/// but not both.
/// </summary>
/// <param name="depth"></param>
/// <param name="propertyName"></param>
/// <param name="source"></param>
/// <returns></returns>
public static StateObjectTreeItem FormatState(ObjectTreeItem parent, int depth, string propertyName, StateObjectData source)
{
return(new StateObjectTreeItem(parent, propertyName, source, depth));
}