private static void CompareVisualTree(VisualTreeObject actual, VisualTreeObject expected, bool compareProperty = true)
{
// compare
actual.Name.ShouldBeEquivalentTo(expected.Name);
if (compareProperty)
{
var filteredActual = actual.Properties.Where(p => SupportedWpfProperties.IsSupported(p.Name));
var filteredExpected = expected.Properties.Where(p => SupportedWpfProperties.IsSupported(p.Name));
var onlyInActual = filteredActual.Except(filteredExpected);
var onlyInExpected = filteredExpected.Except(filteredActual);
onlyInActual.Count().ShouldBeEquivalentTo(0);
onlyInExpected.Count().ShouldBeEquivalentTo(0);
}
actual.Children.Count.ShouldBeEquivalentTo(expected.Children.Count);
var sortedActualChildren = actual.Children.OrderBy(c => c.Name);
var sortedExpectedChildren = expected.Children.OrderBy(c => c.Name);
for (int i = 0; i < actual.Children.Count; i++)
{
CompareVisualTree(sortedActualChildren.ElementAt(i), sortedExpectedChildren.ElementAt(i), compareProperty);
}
}
private static void CompareVisualTree(VisualTreeObject actual, VisualTreeObject expected, bool compareProperty = true)
{
bool visible = true;
// compare
actual.Name.Should().Be(expected.Name);
var visibility = actual.Properties.FirstOrDefault(p => p.Name == "Visibility");
if (visibility != null)
{
visible = (visibility.Value != "Collapsed");
}
if (compareProperty && visible)
{
var filteredActual = actual.Properties.Where(p => SupportedWpfProperties.IsSupported(p.Name));
var filteredExpected = expected.Properties.Where(p => SupportedWpfProperties.IsSupported(p.Name));
filteredActual.Should().BeEquivalentTo(filteredExpected);
}
actual.Children.Count.ShouldBeEquivalentTo(expected.Children.Count);
if (visible)
{
var sortedActualChildren = actual.Children.OrderBy(c => c.Name).ToList();
var sortedExpectedChildren = expected.Children.OrderBy(c => c.Name).ToList();
sortedActualChildren.Count.Should().Be(sortedExpectedChildren.Count);
for (int i = 0; i < actual.Children.Count; i++)
{
CompareVisualTree(sortedActualChildren[i], sortedExpectedChildren[i], compareProperty);
}
}
}
public static VisualTreeObject Create(DependencyObject o)
{
VisualTreeObject visualTreeObj = null;
UIThreadHelper.Instance.Invoke(() => {
visualTreeObj = new VisualTreeObject();
visualTreeObj.Name = o.GetType().Name;
visualTreeObj.Properties = VisualTreeProperty.GetProperties(o).Where(p => SupportedWpfProperties.IsSupported(p.Name)).ToList();
visualTreeObj.Children = GetChildren(o);
});
return(visualTreeObj);
}