feat(home): 首页按内容类型分频道 Feed 并支持分页

test/home/home_feed_header_test.dart

@@ -0,0 +1,54 @@
+// Author: fruit.com.cn
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/core/theme/app_theme.dart';
+import 'package:fruitshorts/l10n/app_localizations.dart';
+import 'package:fruitshorts/pages/home/home_feed_channel.dart';
+import 'package:fruitshorts/pages/player/widgets/home_feed_header.dart';
+
+void main() {
+  testWidgets('should_emit_channel_callbacks_and_render_selected_channel', (
+    tester,
+  ) async {
+    final selected = <HomeFeedChannel>[];
+    await tester.pumpWidget(
+      MaterialApp(
+        theme: AppTheme.light(),
+        locale: const Locale('en'),
+        supportedLocales: AppLocalizations.supportedLocales,
+        localizationsDelegates: AppLocalizations.localizationsDelegates,
+        home: Builder(
+          builder: (context) => Scaffold(
+            body: HomeFeedHeader(
+              l10n: AppLocalizations.of(context)!,
+              channel: HomeFeedChannel.anime,
+              onChannelSelected: selected.add,
+              onRefresh: () async => true,
+              onSearch: () {},
+              onMore: () {},
+            ),
+          ),
+        ),
+      ),
+    );
+
+    expect(find.byKey(const Key('home-feed-tab-anime')), findsOneWidget);
+    expect(find.byKey(const Key('home-feed-tab-real')), findsOneWidget);
+    expect(find.byKey(const Key('home-feed-tab-recommend')), findsOneWidget);
+    expect(
+      tester.widget<Text>(find.text('Anime')).style?.fontWeight,
+      FontWeight.w800,
+    );
+
+    await tester.tap(find.byKey(const Key('home-feed-tab-real')));
+    await tester.tap(find.byKey(const Key('home-feed-tab-recommend')));
+    await tester.tap(find.byKey(const Key('home-feed-tab-anime')));
+
+    expect(selected, [
+      HomeFeedChannel.live,
+      HomeFeedChannel.recommend,
+      HomeFeedChannel.anime,
+    ]);
+  });
+}