feat(app): 增加首页榜单 tab

test/ranking/ranking_logic_test.dart

@@ -0,0 +1,74 @@
+// Author: fruit.com.cn
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/core/data/models/drama.dart';
+import 'package:fruitshorts/core/data/models/home_feed.dart';
+import 'package:fruitshorts/pages/ranking/ranking_logic.dart';
+
+void main() {
+  test('should_use_backend_hot_order_when_hot_board_is_selected', () {
+    final logic = RankingLogic(
+      sections: [
+        FeedSection(
+          code: 'hot',
+          title: 'Hot',
+          dramas: [_drama('first'), _drama('second')],
+        ),
+        FeedSection(code: 'new', title: 'New', dramas: [_drama('fresh')]),
+      ],
+      fallback: [_drama('fallback')],
+    );
+
+    expect(logic.board, RankingBoard.hot);
+    expect(logic.entries.map((entry) => entry.drama.id), ['first', 'second']);
+    expect(logic.entries.map((entry) => entry.rank), [1, 2]);
+    logic.dispose();
+  });
+
+  test('should_switch_to_new_releases_when_new_board_is_selected', () {
+    final logic = RankingLogic(
+      sections: [
+        FeedSection(code: 'hot', title: 'Hot', dramas: [_drama('hot')]),
+        FeedSection(code: 'new', title: 'New', dramas: [_drama('fresh')]),
+      ],
+      fallback: const [],
+    );
+
+    logic.select(RankingBoard.newReleases);
+
+    expect(logic.board, RankingBoard.newReleases);
+    expect(logic.entries.single.drama.id, 'fresh');
+    logic.dispose();
+  });
+
+  test(
+    'should_deduplicate_and_fall_back_when_requested_section_is_missing',
+    () {
+      final logic = RankingLogic(
+        sections: [
+          FeedSection(
+            code: 'hot',
+            title: 'Hot',
+            dramas: [_drama('a'), _drama('a')],
+          ),
+        ],
+        fallback: [_drama('b'), _drama('a')],
+      );
+
+      expect(logic.entries.map((entry) => entry.drama.id), ['a']);
+
+      logic.select(RankingBoard.newReleases);
+
+      expect(logic.entries.map((entry) => entry.drama.id), ['b', 'a']);
+      expect(logic.entries.last.rank, 2);
+      logic.dispose();
+    },
+  );
+}
+
+Drama _drama(String id) => Drama(
+  id: id,
+  title: 'Drama $id',
+  synopsis: 'Synopsis $id',
+  posterUrl: '/files/$id.jpg',
+);

test/ranking/ranking_view_test.dart

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+// Author: fruit.com.cn
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/app.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/pages/drama_detail/drama_detail_view.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_haptics.dart';
+import '../support/fake_interaction_repositories.dart';
+import '../support/widget_player.dart';
+
+void main() {
+  setUp(() {
+    SharedPreferencesAsyncPlatform.instance =
+        InMemorySharedPreferencesAsync.withData({});
+  });
+
+  testWidgets('should_render_real_section_order_when_ranking_tab_is_opened', (
+    tester,
+  ) async {
+    await _pumpApp(tester);
+
+    await tester.tap(find.byKey(const Key('tab-ranking')));
+    await tester.pumpAndSettle();
+
+    expect(find.byKey(const Key('ranking-page')), findsOneWidget);
+    expect(find.byKey(const Key('ranking-tab-hot')), findsOneWidget);
+    expect(find.byKey(const Key('ranking-tab-new')), findsOneWidget);
+    expect(
+      find.byKey(const Key('ranking-entry-the-signal-demo')),
+      findsOneWidget,
+    );
+    expect(
+      find.byKey(const Key('ranking-entry-city-lights-demo')),
+      findsOneWidget,
+    );
+
+    await tester.tap(find.byKey(const Key('ranking-tab-new')));
+    await tester.pumpAndSettle();
+    expect(
+      find.byKey(const Key('ranking-entry-the-signal-demo')),
+      findsOneWidget,
+    );
+  });
+
+  testWidgets('should_open_the_selected_drama_when_ranking_entry_is_tapped', (
+    tester,
+  ) async {
+    await _pumpApp(tester);
+    await tester.tap(find.byKey(const Key('tab-ranking')));
+    await tester.pumpAndSettle();
+
+    await tester.tap(find.byKey(const Key('ranking-entry-city-lights-demo')));
+    await tester.pumpAndSettle();
+
+    expect(find.byType(DramaDetailPage), findsOneWidget);
+    expect(find.text('City Lights & Velvet Nights'), findsWidgets);
+  });
+}
+
+Future<void> _pumpApp(WidgetTester tester) async {
+  tester.view.physicalSize = const Size(390, 844);
+  tester.view.devicePixelRatio = 1;
+  addTearDown(tester.view.resetPhysicalSize);
+  addTearDown(tester.view.resetDevicePixelRatio);
+  final catalog = FakeCatalogRepository();
+  await tester.pumpWidget(
+    LumaDramaApp(
+      playerFactory: createWidgetPlayer,
+      catalogRepository: catalog,
+      categoryRepository: FakeCategoryRepository(catalog: catalog),
+      watchHistoryRepository: InMemoryWatchHistoryRepository(),
+      favoriteRepository: InMemoryFavoriteRepository(cards: catalog.dramas),
+      playbackRepository: FakePlaybackRepository(),
+      commentRepository: FakeCommentRepository(),
+      interactionRepository: FakeInteractionRepository(),
+      haptics: FakeHaptics(),
+    ),
+  );
+  await tester.pumpAndSettle();
+}