feat(flutter): 榜单页三强横排与第四名起列表

test/discover/theater_pages_test.dart

@@ -3,6 +3,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:fruitshorts/app.dart';
+import 'package:fruitshorts/core/data/models/drama.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';
@@ -31,14 +32,11 @@ void main() {
     expect(find.byKey(const Key('ranking-page')), findsOneWidget);
     expect(find.text('TOP 1'), findsOneWidget);
     expect(
-      find.descendant(
-        of: find.byKey(const Key('ranking-row-0')),
-        matching: find.text('The Signal'),
-      ),
-      findsOneWidget,
+      tester.widget<Text>(find.byKey(const Key('ranking-title-1'))).data,
+      'The Signal',
     );
 
-    await tester.tap(find.byKey(const Key('ranking-row-0')));
+    await tester.tap(find.byKey(const Key('ranking-top-1')));
     await tester.pumpAndSettle();
     expect(find.byType(DramaDetailPage), findsOneWidget);
   });
@@ -71,6 +69,44 @@ void main() {
     );
   });
 
+  testWidgets('should_render_podium_with_center_on_top', (tester) async {
+    await _pumpTheater(tester);
+    await tester.tap(find.byKey(const Key('theater-toolbar-ranking')));
+    await tester.pumpAndSettle();
+
+    final top1 = tester.getRect(find.byKey(const Key('ranking-cover-1')));
+    final top2 = tester.getRect(find.byKey(const Key('ranking-cover-2')));
+    final top3 = tester.getRect(find.byKey(const Key('ranking-cover-3')));
+    expect(top1.size, const Size(120, 160));
+    expect(top2.size, const Size(92, 124));
+    expect(top3.size, const Size(92, 124));
+    expect(top2.left, lessThan(top1.left));
+    expect(top3.left, greaterThan(top1.right));
+    expect(top1.bottom, closeTo(top2.bottom, 0.5));
+    expect(top1.bottom, closeTo(top3.bottom, 0.5));
+    expect(find.byKey(const Key('ranking-row-3')), findsNothing);
+  });
+
+  testWidgets('should_list_rank_four_and_below', (tester) async {
+    await _pumpTheater(tester, dramas: _rankDramas(5));
+    await tester.tap(find.byKey(const Key('theater-toolbar-ranking')));
+    await tester.pumpAndSettle();
+
+    expect(find.byKey(const Key('ranking-row-3')), findsOneWidget);
+    expect(find.byKey(const Key('ranking-row-2')), findsNothing);
+    expect(find.byKey(const Key('ranking-top-4')), findsOneWidget);
+  });
+
+  testWidgets('should_truncate_podium_when_less_than_three', (tester) async {
+    await _pumpTheater(tester, dramas: _rankDramas(1));
+    await tester.tap(find.byKey(const Key('theater-toolbar-ranking')));
+    await tester.pumpAndSettle();
+
+    expect(find.byKey(const Key('ranking-top-1')), findsOneWidget);
+    expect(find.byKey(const Key('ranking-top-2')), findsNothing);
+    expect(find.byKey(const Key('ranking-top-3')), findsNothing);
+  });
+
   testWidgets('should_go_back_to_theater_from_ranking_page', (tester) async {
     await _pumpTheater(tester);
     await tester.tap(find.byKey(const Key('theater-toolbar-ranking')));
@@ -84,12 +120,12 @@ void main() {
   });
 }
 
-Future<void> _pumpTheater(WidgetTester tester) async {
+Future<void> _pumpTheater(WidgetTester tester, {List<Drama>? dramas}) async {
   tester.view.physicalSize = const Size(390, 844);
   tester.view.devicePixelRatio = 1;
   addTearDown(tester.view.resetPhysicalSize);
   addTearDown(tester.view.resetDevicePixelRatio);
-  final catalog = FakeCatalogRepository();
+  final catalog = FakeCatalogRepository(dramas: dramas);
   await tester.pumpWidget(
     LumaDramaApp(
       playerFactory: createWidgetPlayer,
@@ -108,3 +144,23 @@ Future<void> _pumpTheater(WidgetTester tester) async {
   await tester.tap(find.byKey(const Key('tab-theater')));
   await tester.pumpAndSettle();
 }
+
+List<Drama> _rankDramas(int count) => [
+  for (var index = 0; index < count; index++)
+    Drama(
+      id: 'rank-$index',
+      title: 'Rank $index',
+      synopsis: 'synopsis',
+      posterUrl: '',
+      totalEpisodes: 10,
+      viewCount: (count - index) * 100,
+      episodes: [
+        Episode(
+          id: 'rank-$index-1',
+          number: 1,
+          title: 'Episode 1',
+          isFree: true,
+        ),
+      ],
+    ),
+];