fix: RangeError when cancelling install notifications for an empty app list

Co-Authored-By: Omer I.S. <omeritzicschwartz@gmail.com>

Author: devin-ai-integration[bot]

lib/providers/notifications_provider.dart

@@ -71,7 +71,9 @@ class SilentUpdateNotification extends UpdatiumNotification {
         'appsUpdatedNotifDescription'.t(),
         Importance.defaultImportance,
       ) {
-    message = updates.length == 1
+    message = updates.isEmpty
+        ? ''
+        : updates.length == 1
         ? t(
             succeeded ? 'xWasUpdatedToY' : 'xWasNotUpdatedToY',
             args: [updates[0].finalName, updates[0].latestVersion],
@@ -95,7 +97,9 @@ class SilentUpdateAttemptNotification extends UpdatiumNotification {
         'appsPossiblyUpdatedNotifDescription'.t(),
         Importance.defaultImportance,
       ) {
-    message = updates.length == 1
+    message = updates.isEmpty
+        ? ''
+        : updates.length == 1
         ? t(
             'xWasPossiblyUpdatedToY',
             args: [updates[0].finalName, updates[0].latestVersion],

test/providers_test.dart

@@ -1,6 +1,7 @@
 import 'package:flutter_test/flutter_test.dart';
 import 'package:updatium/app_sources/html.dart';
 import 'package:updatium/providers/apps_provider.dart';
+import 'package:updatium/providers/notifications_provider.dart';
 import 'package:updatium/providers/settings_provider.dart';
 import 'package:updatium/providers/source_provider.dart';
 
@@ -291,4 +292,13 @@ void main() {
       expect(filtered.first.key, contains('x86'));
     });
   });
+
+  group('Notification Tests', () {
+    test('Update notifications can be built with no apps', () {
+      // Used to grab notification IDs for cancellation after an install
+      expect(() => UpdateNotification([]), returnsNormally);
+      expect(() => SilentUpdateNotification([], true), returnsNormally);
+      expect(() => SilentUpdateAttemptNotification([], id: 1), returnsNormally);
+    });
+  });
 }