public void CaptureGraph_Compare_UnitTest()
{
var source = new Foo();
source.e = new Foo();
var initialGraph = ObjectGraphCapture.CaptureGraph(source);
source.a++;
source.c = "Changed";
source.e = new Foo();
source.e.a++;
var finalGraph = ObjectGraphCapture.CaptureGraph(source);
var result = GraphCompare.ReportChanges(initialGraph, finalGraph);
}
/// <summary>
/// Tracks the object graph.
/// </summary>
/// <param name="graphRoot">The graph root.</param>
/// <param name="action">The action.</param>
protected void TrackObjectGraph(Object graphRoot, Action action)
{
if (graphRoot == null)
{
action();
return;
}
var monitors = new List <EventMonitor>();
CaptureResults initialGraph = null;
if (ReportObjectGraphChanges)
{
initialGraph = ObjectGraphCapture.CaptureGraph(graphRoot);
if (initialGraph.Events.Count > 0)
{
foreach (var pair in initialGraph.Events)
{
var eventInfo = pair.Value.Item2;
if ((eventInfo.AddMethod.IsPublic /*|| eventInfo.AddMethod.IsAssembly*/) &&
(eventInfo.RemoveMethod.IsPublic /*|| eventInfo.RemoveMethod.IsAssembly*/))
{
var target = pair.Value.Item1;
var monitor = new EventMonitor(pair.Key, eventInfo, target);
monitor.EventExpected = r_ExpectedEvents.Contains(pair.Key);
monitors.Add(monitor);
}
}
}
}
action();
if (ReportObjectGraphChanges)
{
int unexpectedCount = 0;
foreach (var monitor in monitors)
{
if (monitor.EventFired && !monitor.EventExpected)
{
++unexpectedCount;
Console.WriteLine("Unexprected Event: {0}", monitor.Source);
}
monitor.RemoveHandler();
}
monitors.Clear();
CaptureResults finalGraph = ObjectGraphCapture.CaptureGraph(graphRoot);
ChangeList result = GraphCompare.ReportChanges(initialGraph, finalGraph);
if (result.Count > 0)
{
Console.WriteLine("===== Detected Object Graph Changes =====");
result.Display(Console.Out);
Console.WriteLine("==========================================");
}
else
{
Console.WriteLine("===== Invocation did not Modify State! =====");
}
if (unexpectedCount > 0)
{
Assert.Fail("Unexpected Events Occured!!!!");
}
}
}
