fix(flutter): 评论输入增加登录闸

test/comment/drama_comments_sheet_test.dart

@@ -1,5 +1,7 @@
 // Author: fruit.com.cn
 
+import 'dart:convert';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:fruitshorts/core/data/models/comment.dart';
@@ -41,6 +43,71 @@ void main() {
         });
   });
 
+  testWidgets('should_gate_guest_comment_input_without_focus', (tester) async {
+    SharedPreferencesAsyncPlatform.instance =
+        InMemorySharedPreferencesAsync.empty();
+    final repository = FakeCommentRepository(pages: [const CommentPage()]);
+
+    await _pumpSheet(tester, repository: repository);
+    final input = find.byKey(const Key('comment-input'));
+    final field = tester.widget<TextField>(input);
+
+    expect(field.decoration?.hintText, 'Sign in to comment');
+    expect(field.focusNode?.hasFocus, isFalse);
+    await tester.tap(input);
+    await tester.pumpAndSettle();
+
+    expect(find.text('Sign in to continue'), findsOneWidget);
+    expect(tester.widget<TextField>(input).focusNode?.hasFocus, isFalse);
+    await tester.tap(find.text('Not now'));
+    await tester.pumpAndSettle();
+    expect(tester.widget<TextField>(input).focusNode?.hasFocus, isFalse);
+  });
+
+  testWidgets('should_focus_comment_input_after_successful_login', (
+    tester,
+  ) async {
+    SharedPreferencesAsyncPlatform.instance =
+        InMemorySharedPreferencesAsync.empty();
+    final repository = FakeCommentRepository(pages: [const CommentPage()]);
+    final auth = await _pumpSheet(tester, repository: repository);
+
+    await tester.tap(find.byKey(const Key('comment-input')));
+    await tester.pump();
+    await tester.pump(const Duration(milliseconds: 300));
+    await tester.tap(find.text('Sign In'));
+    await tester.pump();
+    await tester.pump(const Duration(milliseconds: 300));
+    (auth as _TestAuthController).setSignedIn(true);
+    await tester.pump();
+    Navigator.of(tester.element(find.byKey(const Key('auth-landing')))).pop();
+    await tester.pump();
+    await tester.pump(const Duration(milliseconds: 300));
+
+    expect(
+      tester
+          .widget<TextField>(find.byKey(const Key('comment-input')))
+          .focusNode
+          ?.hasFocus,
+      isTrue,
+    );
+  });
+
+  testWidgets('should_gate_guest_post_without_creating_comment', (
+    tester,
+  ) async {
+    SharedPreferencesAsyncPlatform.instance =
+        InMemorySharedPreferencesAsync.empty();
+    final repository = FakeCommentRepository(pages: [const CommentPage()]);
+
+    await _pumpSheet(tester, repository: repository);
+    await tester.tap(find.byKey(const Key('comment-post')));
+    await tester.pumpAndSettle();
+
+    expect(find.text('Sign in to continue'), findsOneWidget);
+    expect(repository.publishCalls, isEmpty);
+  });
+
   testWidgets('should_show_server_comments_and_append_next_cursor_page', (
     tester,
   ) async {
@@ -392,7 +459,7 @@ void main() {
   });
 }
 
-Future<void> _pumpSheet(
+Future<AuthController> _pumpSheet(
   WidgetTester tester, {
   required FakeCommentRepository repository,
   FakeInteractionRepository? interactions,
@@ -421,16 +488,51 @@ Future<void> _pumpSheet(
     ),
   );
   await tester.pumpAndSettle();
+  return auth;
 }
 
 Future<AuthController> _auth() async {
   final client = ApiClient(
     baseUrl: 'http://127.0.0.1:8081',
-    adapter: FakeHttpAdapter(
-      (_) async => FakeHttpResponse('{"code":0,"message":"ok","data":null}'),
-    ),
+    adapter: FakeHttpAdapter((options) async {
+      if (options.uri.path == '/app/auth/login') {
+        return FakeHttpResponse(
+          jsonEncode({
+            'code': 0,
+            'message': 'ok',
+            'data': {
+              'accessToken': 'access',
+              'refreshToken': 'refresh',
+              'expiresIn': 7200,
+              'user': {'uid': '9', 'nickname': 'Viewer', 'avatarUrl': ''},
+            },
+          }),
+        );
+      }
+      return FakeHttpResponse('{"code":0,"message":"ok","data":null}');
+    }),
+  );
+  final store = AuthSessionStore();
+  final session = await store.read();
+  final auth = _TestAuthController(
+    AuthApi(client),
+    store,
+    signedIn: session != null,
   );
-  final auth = AuthController(AuthApi(client), AuthSessionStore());
   await auth.load();
   return auth;
 }
+
+class _TestAuthController extends AuthController {
+  _TestAuthController(super.api, super.store, {required this._signedIn});
+
+  bool _signedIn;
+
+  @override
+  bool get isSignedIn => _signedIn;
+
+  void setSignedIn(bool value) {
+    _signedIn = value;
+    notifyListeners();
+  }
+}