完善移动端登录密码必填校验

apps/user_app/test/ui/login_page_test.dart

@@ -1,5 +1,5 @@
-// 功能描述：验证用户端登录页字段、手机号校验和接口错误中文化。
-// 版本：1.1.0
+// 功能描述：验证用户端登录页字段、必填校验、提交行为和接口错误中文化。
+// 版本：1.2.0
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:user_app/app/dependencies.dart';
@@ -7,6 +7,27 @@ import 'package:user_app/data/services/api_client.dart';
 import 'package:user_app/data/services/secure_session_store.dart';
 import 'package:user_app/ui/features/auth/login_page.dart';
 
+/// 记录登录调用，验证本地校验是否正确阻止请求。
+class _RecordingUserSession extends UserSession {
+  _RecordingUserSession() : super(SecureSessionStore());
+
+  int loginCallCount = 0;
+  String? lastPhone;
+  String? lastPassword;
+
+  @override
+  Future<void> login({
+    required String phone,
+    required String password,
+    String? verificationCode,
+    String? requestIdentity,
+  }) async {
+    loginCallCount += 1;
+    lastPhone = phone;
+    lastPassword = password;
+  }
+}
+
 /// 验证用户端登录界面的关键交互。
 void main() {
   testWidgets('login page exposes phone and password fields', (tester) async {
@@ -18,8 +39,8 @@ void main() {
     expect(find.text('安全登录'), findsOneWidget);
   });
 
-  testWidgets('手机号格式错误显示输入框中文提示', (tester) async {
-    final session = UserSession(SecureSessionStore());
+  testWidgets('手机号错误且密码为空时同时提示并阻止登录调用', (tester) async {
+    final session = _RecordingUserSession();
     await tester.pumpWidget(MaterialApp(home: LoginPage(session: session)));
 
     await tester.enterText(find.byType(TextField).first, '+8613800138000');
@@ -27,7 +48,48 @@ void main() {
     await tester.pump();
 
     expect(find.text('请输入正确的11位手机号'), findsOneWidget);
+    expect(find.text('请输入密码'), findsOneWidget);
     expect(find.text('Invalid Argument'), findsNothing);
+    expect(session.loginCallCount, 0);
+    expect(tester.widget<TextField>(find.byType(TextField).first).focusNode?.hasFocus, isTrue);
+  });
+
+  testWidgets('合法手机号配空密码时提示密码必填并阻止登录调用', (tester) async {
+    final session = _RecordingUserSession();
+    await tester.pumpWidget(MaterialApp(home: LoginPage(session: session)));
+
+    await tester.enterText(find.byType(TextField).first, '13800138000');
+    await tester.tap(find.text('安全登录'));
+    await tester.pump();
+
+    expect(find.text('请输入正确的11位手机号'), findsNothing);
+    expect(find.text('请输入密码'), findsOneWidget);
+    expect(session.loginCallCount, 0);
+    expect(tester.widget<TextField>(find.byType(TextField).at(1)).focusNode?.hasFocus, isTrue);
+  });
+
+  testWidgets('修改字段清除对应错误并由回车原样提交密码', (tester) async {
+    final session = _RecordingUserSession();
+    await tester.pumpWidget(MaterialApp(home: LoginPage(session: session)));
+
+    await tester.tap(find.text('安全登录'));
+    await tester.pump();
+    await tester.enterText(find.byType(TextField).first, '13800138000');
+    await tester.pump();
+
+    expect(find.text('请输入正确的11位手机号'), findsNothing);
+    expect(find.text('请输入密码'), findsOneWidget);
+
+    await tester.enterText(find.byType(TextField).at(1), ' 密码123 ');
+    await tester.pump();
+    expect(find.text('请输入密码'), findsNothing);
+
+    await tester.testTextInput.receiveAction(TextInputAction.done);
+    await tester.pump();
+
+    expect(session.loginCallCount, 1);
+    expect(session.lastPhone, '13800138000');
+    expect(session.lastPassword, ' 密码123 ');
   });
 
   test('接口错误优先按错误码中文化并屏蔽未知英文', () {