fix(player): 独立全屏路由复用播放会话

test/player/player_fullscreen_test.dart

@@ -23,6 +23,7 @@ import 'package:fruitshorts/pages/auth/auth_view.dart';
 import 'package:fruitshorts/pages/player/player_view.dart';
 import 'package:fruitshorts/pages/player/widgets/player_center_toggle.dart';
 import 'package:fruitshorts/pages/player/widgets/player_render_stack.dart';
+import 'package:fruitshorts/pages/player/widgets/player_video_surface.dart';
 import 'package:fruitshorts/pages/player/widgets/seek_progress_bar.dart';
 import 'package:video_player/video_player.dart';
 
@@ -104,13 +105,15 @@ void main() {
     expect(recommendPlayer, findsOneWidget);
     expect(renderStack, findsOneWidget);
     final playerState = tester.state(recommendPlayer);
-    final renderState = tester.state(renderStack);
     final currentSurface = find.descendant(
       of: recommendPlayer,
       matching: find.byKey(
         const ValueKey('player-render-slot-current'),
       ),
     );
+    final sourceRender = tester.widget<PlayerRenderStack>(renderStack);
+    final sourceIndex =
+        sourceRender.slots[PlayerRenderSlotRole.current]?.index;
     final controller = factory.created.first.controller;
     final createdBefore = factory.created.length;
     final requestsBefore = playback.requests.length;
@@ -126,19 +129,37 @@ void main() {
     await tester.tap(find.byKey(const Key('home-feed-full-series')));
     await tester.pumpAndSettle();
     expect(find.byType(PlayerPage), findsOneWidget);
+    final fullPlayer = tester.widget<PlayerPage>(find.byType(PlayerPage));
+    expect(fullPlayer.homeMode, isFalse);
+    expect(fullPlayer.handoff, isNotNull);
+    expect(fullPlayer.handoff!.initialIndex, sourceIndex);
+    expect(fullPlayer.handoff!.logic.session.currentIndex, sourceIndex);
+    expect(find.byKey(const Key('home-tabs-bar')), findsNothing);
+    expect(find.byKey(const Key('recommend-top-nav')), findsNothing);
+    expect(find.byKey(const Key('home-feed-gesture')), findsNothing);
     expect(find.byKey(const Key('player-back')), findsOneWidget);
     expect(factory.created.length, createdBefore);
     expect(playback.requests.length, requestsBefore);
     expect(controller.value.position, const Duration(seconds: 5));
+    final fullCurrentSurface = find.descendant(
+      of: find.byType(PlayerPage),
+      matching: find.byKey(
+        const ValueKey('player-render-slot-current'),
+      ),
+    );
     expect(
       find.descendant(
-        of: currentSurface,
+        of: fullCurrentSurface,
         matching: find.byKey(const Key('player-single-placeholder')),
       ),
       findsNothing,
     );
+    expect(
+      tester.widget<PlayerVideoSurface>(fullCurrentSurface).controller,
+      same(controller),
+    );
 
-    tester.state<NavigatorState>(find.byType(Navigator).first).pop();
+    await tester.tap(find.byKey(const Key('player-back')));
     await tester.pumpAndSettle();
 
     expect(find.byKey(const Key('recommend-page')), findsOneWidget);
@@ -147,8 +168,9 @@ void main() {
     expect(factory.created.length, createdBefore);
     expect(playback.requests.length, requestsBefore);
     expect(controller.value.position, const Duration(seconds: 5));
+    expect(find.byKey(const Key('home-tabs-bar')), findsOneWidget);
+    expect(find.byKey(const Key('recommend-top-nav')), findsOneWidget);
     expect(tester.state(recommendPlayer), same(playerState));
-    expect(tester.state(renderStack), same(renderState));
     expect(find.byKey(const Key('recommend-feed-skeleton')), findsNothing);
     expect(
       find.descendant(
@@ -157,6 +179,10 @@ void main() {
       ),
       findsNothing,
     );
+    expect(
+      tester.widget<PlayerVideoSurface>(currentSurface).controller,
+      same(controller),
+    );
   });
 
   testWidgets('should_swipe_full_player_without_creating_another_session', (
@@ -179,6 +205,35 @@ void main() {
     expect(find.byType(PlayerPage), findsOneWidget);
     expect(factory.created.length, lessThanOrEqualTo(createdBefore + 1));
     expect(find.byKey(const Key('player-render-stack')), findsOneWidget);
+    await tester.tap(find.byKey(const Key('player-back')));
+    await tester.pumpAndSettle();
+  });
+
+  testWidgets('should_show_one_paused_overlay_when_entering_full_player', (
+    tester,
+  ) async {
+    final factory = _RouteVideoFactory();
+    await _pumpApp(tester, playerFactory: factory.create);
+    await tester.tap(find.byKey(const Key('tab-recommend')));
+    await tester.pumpAndSettle();
+
+    await tester.tap(find.byKey(const Key('home-feed-gesture')));
+    await tester.pump(const Duration(milliseconds: 400));
+    expect(find.byKey(const Key('home-feed-center-play')), findsOneWidget);
+
+    await tester.tap(find.byKey(const Key('home-feed-full-series')));
+    await tester.pumpAndSettle();
+
+    expect(find.byType(PlayerPage), findsOneWidget);
+    expect(find.byKey(const Key('player-play-toggle')), findsOneWidget);
+    expect(find.byKey(const Key('home-feed-center-play')), findsNothing);
+    expect(find.byKey(const Key('home-tabs-bar')), findsNothing);
+    expect(find.byKey(const Key('recommend-top-nav')), findsNothing);
+
+    await tester.tap(find.byKey(const Key('player-back')));
+    await tester.pumpAndSettle();
+    expect(find.byKey(const Key('home-feed-center-play')), findsOneWidget);
+    expect(find.byKey(const Key('home-tabs-bar')), findsOneWidget);
   });
 
   testWidgets('should_render_player_loading_indicators_at_compact_size', (