修复工作人员端令牌失效后的登录恢复

apps/service_app/test/app/router_test.dart

@@ -0,0 +1,102 @@
+// 功能描述：验证工作人员端鉴权守卫保留目标页，并在重新登录后返回原页面。
+// 版本：1.0.0
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:http/http.dart' as http;
+import 'package:http/testing.dart';
+import 'package:service_app/app/dependencies.dart';
+import 'package:service_app/app/router.dart';
+import 'package:service_app/data/offline/encrypted_draft_store.dart';
+import 'package:service_app/data/repositories/service_repository.dart';
+import 'package:service_app/data/services/api_client.dart';
+import 'package:service_app/data/services/location_service.dart';
+import 'package:service_app/data/services/secure_session_store.dart';
+
+/// 提供无需平台插件的空会话存储。
+class _EmptySessionStore implements SessionStore {
+  @override
+  Future<void> delete(String key) async {}
+
+  @override
+  Future<String?> read(String key) async => null;
+
+  @override
+  Future<void> write(String key, String value) async {}
+}
+
+/// 提供可切换鉴权状态的测试会话。
+class _RouterTestSession extends StaffSession {
+  _RouterTestSession({required this.authenticated, required this.expired})
+    : super(_EmptySessionStore());
+
+  bool authenticated;
+  bool expired;
+
+  @override
+  bool get isAuthenticated => authenticated;
+
+  @override
+  bool get hasExpired => expired;
+
+  @override
+  String get roleCode => 'delivery';
+
+  /// 模拟工作人员重新登录成功并唤醒路由刷新。
+  void authenticate() {
+    authenticated = true;
+    expired = false;
+    notifyListeners();
+  }
+}
+
+/// 提供不会在路由测试中访问系统定位的占位实现。
+class _UnusedLocationService implements LocationService {
+  @override
+  Future<LocationPoint> current() => throw UnimplementedError();
+}
+
+/// 覆盖过期提示、查询参数保留和登录后回跳。
+void main() {
+  testWidgets('令牌失效后跳转登录并在登录后返回原目标页', (tester) async {
+    final session = _RouterTestSession(authenticated: false, expired: true);
+    final dependencies = AppDependencies(
+      session: session,
+      repository: ServiceRepository(
+        ApiClient(
+          () => '',
+          baseUrl: 'https://api.example.com',
+          client: MockClient(
+            (request) async => http.Response(
+              '{"code":0,"details":{"role_code":"delivery","work_status":"off_duty","can_work":false,"checks":{}}}',
+              200,
+            ),
+          ),
+        ),
+        _UnusedLocationService(),
+      ),
+      drafts: EncryptedDraftStore(),
+    );
+    final router = createRouter(
+      dependencies,
+      initialLocation: '/preflight?source=expired#checks',
+    );
+    addTearDown(router.dispose);
+
+    await tester.pumpWidget(MaterialApp.router(routerConfig: router));
+    await tester.pumpAndSettle();
+
+    final loginUri = router.routeInformationProvider.value.uri;
+    expect(loginUri.path, '/login');
+    expect(loginUri.queryParameters['redirect'], '/preflight?source=expired#checks');
+    expect(loginUri.queryParameters['reason'], 'expired');
+    expect(find.text('登录状态已失效，请重新登录'), findsOneWidget);
+
+    session.authenticate();
+    await tester.pumpAndSettle();
+
+    final restoredUri = router.routeInformationProvider.value.uri;
+    expect(restoredUri.path, '/preflight');
+    expect(restoredUri.queryParameters['source'], 'expired');
+    expect(restoredUri.fragment, 'checks');
+  });
+}