feat(neon): Reset SelectOption if value is not in values

Signed-off-by: jld3103 <jld3103yt@gmail.com>

packages/neon/neon/lib/src/settings/models/option.dart

@@ -71,6 +71,7 @@ sealed class Option<T> extends ChangeNotifier implements ValueListenable<T>, Dis
   /// listeners.
   @override
   T get value => _value;
+
   @mustCallSuper
   set value(final T newValue) {
     if (_value == newValue) {
@@ -88,6 +89,7 @@ sealed class Option<T> extends ChangeNotifier implements ValueListenable<T>, Dis
   /// value as evaluated by the equality operator ==, this class notifies its
   /// listeners.
   bool get enabled => _enabled;
+
   @mustCallSuper
   set enabled(final bool newValue) {
     if (_enabled == newValue) {
@@ -108,7 +110,9 @@ sealed class Option<T> extends ChangeNotifier implements ValueListenable<T>, Dis
     final value = deserialize(data);
 
     if (value != null) {
-      this.value = value;
+      // Do not trigger the validation to avoid resetting when the values haven't been loaded yet.
+      _value = value;
+      notifyListeners();
     }
   }
 
@@ -203,10 +207,14 @@ class SelectOption<T> extends Option<T> {
 
   @override
   set value(final T value) {
-    super.value = value;
-
-    if (value != null) {
-      unawaited(storage.setString(key.value, serialize()!));
+    if (_values.keys.contains(value)) {
+      super.value = value;
+
+      if (value != null) {
+        unawaited(storage.setString(key.value, serialize()!));
+      }
+    } else {
+      debugPrint('"$value" is not in "${_values.keys.join('", "')}", ignoring');
     }
   }
 
@@ -224,6 +232,10 @@ class SelectOption<T> extends Option<T> {
       return;
     }
     _values = newValues;
+    if (!_values.keys.contains(_value)) {
+      debugPrint('"$value" is not in "${_values.keys.join('", "')}", resetting "${key.value}"');
+      reset();
+    }
     notifyListeners();
   }
 

packages/neon/neon/test/option_test.dart

@@ -147,6 +147,21 @@ void main() {
       expect(option.values, newValues, reason: 'Should keep the values.');
     });
 
+    test('Invalid values', () {
+      expect(option.values, equals(valuesLabel));
+
+      option
+        ..value = SelectValues.second
+        ..values = {
+          SelectValues.first: (final _) => 'first',
+          SelectValues.third: (final _) => 'third',
+        };
+      expect(option.value, SelectValues.first, reason: 'Invalid value.');
+
+      option.value = SelectValues.second;
+      expect(option.value, SelectValues.first, reason: 'Invalid value.');
+    });
+
     test('Reset', () {
       final callback = MockCallbackFunction();
       option