| 1 | using System.Collections.ObjectModel; |
| 2 | using System.Reflection; |
| 3 | using CascadeIDE.ViewModels; |
| 4 | using CommunityToolkit.Mvvm.ComponentModel; |
| 5 | using Xunit; |
| 6 | |
| 7 | namespace CascadeIDE.Tests; |
| 8 | |
| 9 | /// <summary> |
| 10 | /// HSE: список <see cref="MainWindowViewModel"/> для <c>RaiseHybridIndexPresentationProperties</c> должен совпадать со |
| 11 | /// <see cref="NotifyPropertyChangedForAttribute"/> у поля снимка HCI — один источник правды без дрейфа. |
| 12 | /// </summary> |
| 13 | public sealed class HybridIndexPresentationNotificationsConsistencyTests |
| 14 | { |
| 15 | [Fact] |
| 16 | public void HybridIndexDependentPresentationNames_matches_observable_snapshot_notify_targets() |
| 17 | { |
| 18 | var observableField = typeof(MainWindowViewModel).GetField( |
| 19 | "_hybridIndexLast", |
| 20 | BindingFlags.Instance | BindingFlags.NonPublic); |
| 21 | Assert.NotNull(observableField); |
| 22 | |
| 23 | var dependencyArrayField = typeof(MainWindowViewModel).GetField( |
| 24 | "HybridIndexDependentPresentationNames", |
| 25 | BindingFlags.Static | BindingFlags.NonPublic); |
| 26 | Assert.NotNull(dependencyArrayField); |
| 27 | |
| 28 | var fromArray = ((string[])dependencyArrayField!.GetValue(null)!) |
| 29 | .ToHashSet(StringComparer.Ordinal); |
| 30 | |
| 31 | var fromToolkit = CollectNotifyPropertyNames(observableField!); |
| 32 | Assert.NotEmpty(fromToolkit); |
| 33 | |
| 34 | Assert.Equal(fromArray, fromToolkit); |
| 35 | } |
| 36 | |
| 37 | private static HashSet<string> CollectNotifyPropertyNames(FieldInfo observableField) |
| 38 | { |
| 39 | var set = new HashSet<string>(StringComparer.Ordinal); |
| 40 | |
| 41 | foreach (var cad in observableField.GetCustomAttributesData()) |
| 42 | { |
| 43 | if (cad.AttributeType != typeof(NotifyPropertyChangedForAttribute)) |
| 44 | continue; |
| 45 | |
| 46 | foreach (var arg in cad.ConstructorArguments) |
| 47 | AddConstructorArgStrings(arg, set); |
| 48 | } |
| 49 | |
| 50 | return set; |
| 51 | } |
| 52 | |
| 53 | private static void AddConstructorArgStrings(CustomAttributeTypedArgument arg, HashSet<string> sink) |
| 54 | { |
| 55 | if (arg.Value is string s) |
| 56 | { |
| 57 | sink.Add(s); |
| 58 | return; |
| 59 | } |
| 60 | |
| 61 | if (arg.Value is ReadOnlyCollection<CustomAttributeTypedArgument> elems) |
| 62 | { |
| 63 | foreach (var item in elems) |
| 64 | AddConstructorArgStrings(item, sink); |
| 65 | } |
| 66 | } |
| 67 | } |
| 68 | |