feat(following): 收藏页改为紧凑布局并去掉重复续播横幅

test/following/following_compact_layout_test.dart

@@ -0,0 +1,143 @@
+// Author: fruit.com.cn
+// 职责：验证追剧页移除顶部横幅/重复收藏标题后，卡片直达及历史续播能力。
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/app.dart';
+import 'package:fruitshorts/core/data/models/watch_progress.dart';
+import 'package:fruitshorts/core/data/repositories/favorite_repository.dart';
+import 'package:fruitshorts/core/data/repositories/playback_repository.dart';
+import 'package:fruitshorts/core/data/repositories/watch_history_repository.dart';
+import 'package:fruitshorts/l10n/app_localizations.dart';
+import 'package:shared_preferences_platform_interface/in_memory_shared_preferences_async.dart';
+import 'package:shared_preferences_platform_interface/shared_preferences_async_platform_interface.dart';
+
+import '../support/fake_catalog.dart';
+import '../support/fake_category.dart';
+import '../support/fake_interaction_repositories.dart';
+import '../support/widget_player.dart';
+
+const _viewport = Size(390, 844);
+const _tolerance = 0.1;
+const _dramaId = 'the-signal-demo';
+const _banner = Key('following-continue-banner');
+const _page = Key('following-page');
+const _favoritesGrid = Key('following-favorites-grid');
+const _historyRecord = WatchProgress(
+  dramaId: _dramaId,
+  episodeId: 'the-signal-demo-3',
+  dramaTitle: 'Recent story',
+  episodeNumber: 3,
+  totalEpisodes: 8,
+  position: Duration(seconds: 25),
+  duration: Duration(seconds: 100),
+);
+
+Future<void> _pumpFollowing(
+  WidgetTester tester, {
+  bool hasFavorites = true,
+}) async {
+  tester.view.physicalSize = _viewport;
+  tester.view.devicePixelRatio = 1;
+  addTearDown(tester.view.resetPhysicalSize);
+  addTearDown(tester.view.resetDevicePixelRatio);
+  final catalog = FakeCatalogRepository();
+  final cards = hasFavorites
+      ? catalog.dramas.take(1).toList()
+      : catalog.dramas.take(0).toList();
+  await tester.pumpWidget(
+    LumaDramaApp(
+      playerFactory: createWidgetPlayer,
+      catalogRepository: catalog,
+      categoryRepository: FakeCategoryRepository(catalog: catalog),
+      watchHistoryRepository: InMemoryWatchHistoryRepository(
+        seed: [_historyRecord],
+      ),
+      favoriteRepository: InMemoryFavoriteRepository(
+        cards: cards,
+        saved: cards.map((drama) => drama.id).toSet(),
+      ),
+      playbackRepository: FakePlaybackRepository(),
+      commentRepository: FakeCommentRepository(),
+      interactionRepository: FakeInteractionRepository(),
+    ),
+  );
+  await tester.pumpAndSettle();
+  await tester.tap(find.byKey(const Key('tab-follow')));
+  await tester.pumpAndSettle();
+}
+
+void main() {
+  setUp(() {
+    SharedPreferencesAsyncPlatform.instance =
+        InMemorySharedPreferencesAsync.empty();
+  });
+
+  testWidgets('should_hide_continue_banner_when_recent_history_exists', (
+    tester,
+  ) async {
+    await _pumpFollowing(tester);
+    expect(find.byKey(_banner), findsNothing);
+    expect(find.byKey(const Key('following-card-$_dramaId')), findsOneWidget);
+    expect(find.byKey(const Key('following-add-card')), findsOneWidget);
+    expect(tester.takeException(), isNull);
+  });
+
+  for (final hasFavorites in [true, false]) {
+    testWidgets(
+      'should_omit_section_heading_and_count_when_favorites_are_$hasFavorites',
+      (tester) async {
+        await _pumpFollowing(tester, hasFavorites: hasFavorites);
+        final l10n = AppLocalizations.of(tester.element(find.byKey(_page)))!;
+        final grid = find.byKey(_favoritesGrid);
+        expect(
+          find.descendant(of: grid, matching: find.text(l10n.favoriteDramas)),
+          findsNothing,
+        );
+        expect(
+          find.descendant(
+            of: grid,
+            matching: find.text(l10n.totalDramasCount(hasFavorites ? 1 : 0)),
+          ),
+          findsNothing,
+        );
+        if (hasFavorites) {
+          final header = tester.getRect(
+            find.byKey(const Key('following-header')),
+          );
+          final card = tester.getRect(
+            find.byKey(const Key('following-card-$_dramaId')),
+          );
+          expect(card.top, closeTo(header.bottom, _tolerance));
+        } else {
+          expect(
+            find.byKey(const Key('following-favorites-empty')),
+            findsOneWidget,
+          );
+        }
+        expect(tester.takeException(), isNull);
+      },
+    );
+  }
+
+  testWidgets('should_keep_history_continue_entry_when_history_tab_opens', (
+    tester,
+  ) async {
+    await _pumpFollowing(tester);
+    await tester.tap(find.byKey(const Key('following-tab-history')));
+    await tester.pumpAndSettle();
+    expect(
+      find.byKey(const Key('following-history-card-$_dramaId')),
+      findsOneWidget,
+    );
+    expect(
+      find.byKey(const Key('following-history-continue-$_dramaId')),
+      findsOneWidget,
+    );
+    expect(
+      find.byKey(const Key('following-progress-$_dramaId')),
+      findsOneWidget,
+    );
+    expect(find.byKey(_banner), findsNothing);
+    expect(tester.takeException(), isNull);
+  });
+}