public void Undo()
{
var changes = _o.HasLocalChanges();
//no changes anyway user must have made a change and then unapplyed it
if (changes.Evaluation != ChangeDescription.DatabaseCopyDifferent)
{
return;
}
//reset to the database state
_o.RevertToDatabaseState();
//publish that the object has changed
_activator.RefreshBus.Publish(this, new RefreshObjectEventArgs(_o));
//show the redo image
SetReadyToRedo(changes);
//publish probably disabled us
Enable(true);
}
public void TestAllSupported()
{
//load all DatabaseEntity types
MEF mef = new MEF();
mef.Setup(new SafeDirectoryCatalog(TestContext.CurrentContext.TestDirectory));
var types = mef.GetAllTypes()
.Where(t => typeof(DatabaseEntity).IsAssignableFrom(t) && !t.IsAbstract && !t.IsInterface).ToArray();
var methods = typeof(UnitTests).GetMethods(BindingFlags.NonPublic | BindingFlags.Instance);
var method = methods.Single(m => m.Name.Equals("WhenIHaveA") && !m.GetParameters().Any());
List <Type> notSupported = new List <Type>();
foreach (Type t in types)
{
//ignore these types too
if (SkipTheseTypes.Contains(t.Name) || t.Name.StartsWith("Spontaneous") || typeof(SpontaneousObject).IsAssignableFrom(t))
{
continue;
}
DatabaseEntity instance = null;
try
{
//ensure that the method supports the Type
var generic = method.MakeGenericMethod(t);
instance = (DatabaseEntity)generic.Invoke(this, null);
}
catch (TargetInvocationException exception)
{
if (exception.InnerException is TestCaseNotWrittenYetException)
{
notSupported.Add(t);
}
else
{
throw;
}
}
//if the instance returned by MakeGenericMethod does not pass checks that's a dealbreaker!
if (instance != null)
{
try
{
//and that it returns an instance
Assert.IsNotNull(instance);
Assert.IsTrue(instance.Exists());
Assert.AreEqual(ChangeDescription.NoChanges, instance.HasLocalChanges().Evaluation, "Type was '" + t.Name + "'");
}
catch (Exception e)
{
throw new Exception("Implementation of WhenIHaveA<" + t.Name + "> is flawed", e);
}
}
}
Assert.IsEmpty(notSupported, "The following Types were not supported by WhenIHaveA<T>:" + Environment.NewLine + string.Join(Environment.NewLine, notSupported.Select(t => t.Name)));
}