public void ViewModelPropertyChanged_SetsOldAndNewItems()
{
var property = PropertyStub.Build();
var newValue = ViewModelStub.Build();
var args = ChangeArgs.ViewModelPropertyChanged(property, ValueStage.ValidatedValue, null, newValue);
CollectionAssert.AreEqual(new IViewModel[0], args.OldItems.ToArray());
CollectionAssert.AreEqual(new IViewModel[] { newValue }, args.NewItems.ToArray());
}
public void ViewModelPropertyChanged_SetsChangeTypeAndChangedPathToProperty()
{
var property = PropertyStub.Build();
var args = ChangeArgs.ViewModelPropertyChanged(property, ValueStage.Value, null, null);
Assert.AreEqual(ChangeType.PropertyChanged, args.ChangeType);
Assert.AreEqual(ValueStage.Value, args.Stage);
DomainAssert.AreEqual(Path.Empty.Append(property), args.ChangedPath);
}
public void ValidationStateChange_SetsChangeTypeAndChangedPath()
{
var args = ChangeArgs.ValidationResultChanged();
Assert.AreEqual(ChangeType.ValidationResultChanged, args.ChangeType);
DomainAssert.AreEqual(Path.Empty, args.ChangedPath);
var property = PropertyStub.Build();
args = ChangeArgs.ValidationResultChanged(property, ValueStage.ValidatedValue);
Assert.AreEqual(ValueStage.ValidatedValue, args.Stage);
Assert.AreEqual(ChangeType.ValidationResultChanged, args.ChangeType);
DomainAssert.AreEqual(Path.Empty.Append(property), args.ChangedPath);
}
public void HandleChange_WithValidationResultChangedOfDescendantProperty_DoesNotUpdateCachedResults()
{
var vm = new TestVM();
var descendantArgs = ChangeArgs
.ValidationResultChanged(PropertyStub.Build(), ValueStage.ValidatedValue)
.PrependViewModel(ViewModelStub.Build())
.PrependViewModel(vm);
vm.FirstPropertyResultSetup = CreateValidationResult("Irrelevant property error");
vm.CallHandleChangeWith(descendantArgs);
AssertBehaviorResults(vm, ExpectedResults.AllValid);
}
public LoggingCollectionStub(StringBuilder log)
: base(ViewModelStub.Build(), PropertyStub.Build())
{
_log = log;
}
private static ChangeArgs CreateChangeArgs()
{
return(ChangeArgs.PropertyChanged(PropertyStub.Build(), ValueStage.ValidatedValue));
}