feat(ranking): 榜单改为统一行布局

test/ranking/ranking_page_test.dart

@@ -0,0 +1,126 @@
+// Author: fruit.com.cn
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/core/data/models/drama.dart';
+import 'package:fruitshorts/core/data/models/feed_page.dart';
+import 'package:fruitshorts/core/data/models/home_feed.dart';
+import 'package:fruitshorts/core/data/repositories/catalog_repository.dart';
+import 'package:fruitshorts/core/data/services/catalog_controller.dart';
+import 'package:fruitshorts/core/theme/app_theme.dart';
+import 'package:fruitshorts/l10n/app_localizations.dart';
+import 'package:fruitshorts/pages/ranking/ranking_page.dart';
+import 'package:provider/provider.dart';
+
+void main() {
+  testWidgets('should_render_rank_badges_on_covers_for_all_entries', (
+    tester,
+  ) async {
+    await _pumpPage(tester, [
+      _drama('a', viewCount: 400),
+      _drama('b', viewCount: 300),
+      _drama('c', viewCount: 200),
+      _drama('d', viewCount: 100),
+    ]);
+
+    expect(find.byKey(const Key('ranking-top-1')), findsOneWidget);
+    expect(find.byKey(const Key('ranking-top-2')), findsOneWidget);
+    expect(find.byKey(const Key('ranking-top-3')), findsOneWidget);
+    expect(find.byKey(const Key('ranking-top-4')), findsOneWidget);
+    expect(find.byKey(const Key('ranking-row-cover-1')), findsOneWidget);
+    expect(find.byKey(const Key('ranking-title-1')), findsOneWidget);
+  });
+
+  testWidgets('should_hide_optional_fields_when_drama_has_no_data', (
+    tester,
+  ) async {
+    await _pumpPage(tester, [_drama('solo')]);
+
+    expect(find.byKey(const Key('ranking-tag-1')), findsNothing);
+    expect(find.byIcon(Icons.local_fire_department_rounded), findsNothing);
+  });
+
+  testWidgets('should_show_optional_fields_when_present', (tester) async {
+    await _pumpPage(tester, [
+      _drama(
+        'rich',
+        viewCount: 15340000,
+        likeCount: 550,
+        tag: '新剧',
+        genre: '剧情',
+        synopsis: '以拟人化视角，重温长征岁月。',
+      ),
+    ]);
+
+    expect(find.byKey(const Key('ranking-tag-1')), findsOneWidget);
+    expect(find.text('新剧'), findsOneWidget);
+    expect(find.text('剧情'), findsOneWidget);
+    expect(find.text('以拟人化视角，重温长征岁月。'), findsOneWidget);
+    expect(find.text('1534w heat · 550 likes'), findsOneWidget);
+    final synopsis = tester.widget<Text>(find.text('以拟人化视角，重温长征岁月。'));
+    expect(synopsis.maxLines, 3);
+    expect(synopsis.overflow, TextOverflow.ellipsis);
+    final tag = tester.widget<Text>(find.byKey(const Key('ranking-tag-1')));
+    expect(tag.style?.color, isNotNull);
+    final synopsisRect = tester.getRect(find.text('以拟人化视角，重温长征岁月。'));
+    final tagRect = tester.getRect(find.byKey(const Key('ranking-tag-1')));
+    expect(tagRect.top - synopsisRect.bottom, lessThan(8));
+  });
+}
+
+Future<void> _pumpPage(WidgetTester tester, List<Drama> dramas) async {
+  final controller = CatalogController(_EmptyCatalogRepository());
+  controller.feed = HomeFeed(
+    sections: [FeedSection(code: 'hot', title: 'Hot', dramas: dramas)],
+  );
+  await tester.pumpWidget(
+    ChangeNotifierProvider.value(
+      value: controller,
+      child: MaterialApp(
+        theme: AppTheme.dark(),
+        localizationsDelegates: AppLocalizations.localizationsDelegates,
+        supportedLocales: AppLocalizations.supportedLocales,
+        home: const RankingPage(),
+      ),
+    ),
+  );
+  await tester.pumpAndSettle();
+}
+
+Drama _drama(
+  String id, {
+  int viewCount = 0,
+  int? likeCount,
+  String tag = '',
+  String genre = '',
+  String synopsis = '',
+}) => Drama(
+  id: id,
+  title: 'Drama $id',
+  synopsis: synopsis,
+  posterUrl: '',
+  tag: tag,
+  genre: genre,
+  viewCount: viewCount,
+  likeCount: likeCount,
+);
+
+class _EmptyCatalogRepository implements CatalogRepository {
+  @override
+  Future<HomeFeed> fetchHomeFeed() async => const HomeFeed();
+
+  @override
+  Future<HomeFeed> fetchDiscoverFeed() async => const HomeFeed();
+
+  @override
+  Future<FeedPage> fetchFeed({
+    List<String> types = const [],
+    String? categoryId,
+    String? cursor,
+    int size = 10,
+  }) async => const FeedPage();
+
+  @override
+  Future<Drama> fetchDrama(String dramaId) async =>
+      Drama(id: dramaId, title: '', synopsis: '', posterUrl: '');
+}