test(local): cover shared link access and video readiness; fix lint dependency

mobile/test/providers/asset_viewer/video_player_ready_test.dart

@@ -0,0 +1,63 @@
+import 'package:flutter/services.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:immich_mobile/providers/asset_viewer/video_player_provider.dart';
+import 'package:mocktail/mocktail.dart';
+import 'package:native_video_player/native_video_player.dart';
+
+class _Controller extends Mock implements NativeVideoPlayerController {}
+
+class _PlaybackInfo extends Mock implements PlaybackInfo {}
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+  const wakelock = BasicMessageChannel<Object?>(
+    'dev.flutter.pigeon.wakelock_plus_platform_interface.WakelockPlusApi.toggle',
+    StandardMessageCodec(),
+  );
+  late _Controller controller;
+  late VideoPlayerNotifier notifier;
+
+  setUp(() {
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger.setMockDecodedMessageHandler<Object?>(
+      wakelock,
+      (_) async => <Object?>[null],
+    );
+    final playback = _PlaybackInfo();
+    when(() => playback.status).thenReturn(PlaybackStatus.stopped);
+    when(() => playback.position).thenReturn(0);
+    controller = _Controller();
+    when(() => controller.playbackInfo).thenReturn(playback);
+    when(() => controller.videoInfo).thenReturn(VideoInfo.fromJson({'width': 1920, 'height': 1080, 'duration': 5000}));
+    when(() => controller.play()).thenAnswer((_) async {});
+    notifier = VideoPlayerNotifier()..attachController(controller);
+  });
+
+  tearDown(() async {
+    notifier.dispose();
+    await Future<void>.delayed(Duration.zero);
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger.setMockDecodedMessageHandler<Object?>(
+      wakelock,
+      null,
+    );
+  });
+
+  test('newly loaded stopped video offers playback', () {
+    notifier.onNativePlaybackReady();
+    expect(notifier.state.status, VideoPlaybackStatus.paused);
+    expect(notifier.state.duration, const Duration(seconds: 5));
+  });
+
+  testWidgets('stopped ready event cancels the pending buffering indicator', (tester) async {
+    await notifier.play();
+    notifier.onNativePlaybackReady();
+    await tester.pump(const Duration(seconds: 2));
+    expect(notifier.state.status, VideoPlaybackStatus.paused);
+  });
+
+  test('ready event preserves replay after playback has completed', () {
+    notifier.onNativeStatusChanged();
+    expect(notifier.state.status, VideoPlaybackStatus.completed);
+    notifier.onNativePlaybackReady();
+    expect(notifier.state.status, VideoPlaybackStatus.completed);
+  });
+}