feat: 完成 Flutter 版智能电网 IoT 管理应用初始化搭建

test/widget_test.dart

@@ -0,0 +1,25 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+import 'package:smart_grid_iot_manage_app_flutter/app/app.dart';
+import 'package:smart_grid_iot_manage_app_flutter/core/providers.dart';
+import 'package:smart_grid_iot_manage_app_flutter/core/storage/token_storage.dart';
+
+void main() {
+  testWidgets('未登录时进入登录页', (WidgetTester tester) async {
+    SharedPreferences.setMockInitialValues(<String, Object>{});
+    final storage = await TokenStorage.open();
+
+    await tester.pumpWidget(
+      ProviderScope(
+        overrides: [tokenStorageProvider.overrideWithValue(storage)],
+        child: const SmartGridApp(),
+      ),
+    );
+    await tester.pumpAndSettle();
+
+    expect(find.text('鑫潼智电'), findsOneWidget);
+    expect(find.text('登 录'), findsOneWidget);
+  });
+}