userfront 연동이력 맞춤

userfront/test/error_screen_test.dart

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+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:userfront/features/auth/presentation/error_screen.dart';
+
+Future<void> _pumpErrorScreen(
+  WidgetTester tester, {
+  String? errorCode,
+  String? description,
+  bool? isProdOverride,
+}) async {
+  await tester.pumpWidget(
+    MaterialApp(
+      home: ErrorScreen(
+        errorCode: errorCode,
+        description: description,
+        isProdOverride: isProdOverride,
+      ),
+    ),
+  );
+  await tester.pump();
+}
+
+void main() {
+  testWidgets('개발환경은 원문 메시지를 노출한다', (WidgetTester tester) async {
+    await _pumpErrorScreen(
+      tester,
+      errorCode: 'custom_error',
+      description: '원문 메시지',
+      isProdOverride: false,
+    );
+
+    expect(find.text('오류: custom_error'), findsOneWidget);
+    expect(find.text('원문 메시지'), findsOneWidget);
+    expect(find.text('오류 종류: custom_error'), findsOneWidget);
+  });
+
+  testWidgets('프로덕션은 whitelist 메시지를 노출한다', (WidgetTester tester) async {
+    await _pumpErrorScreen(
+      tester,
+      errorCode: 'settings_disabled',
+      description: '원문 메시지',
+      isProdOverride: true,
+    );
+
+    expect(find.text('인증 과정에서 오류가 발생했습니다'), findsOneWidget);
+    expect(find.text('현재 계정 설정 화면은 준비 중입니다.'), findsOneWidget);
+    expect(find.text('원문 메시지'), findsNothing);
+    expect(find.text('오류 종류: settings_disabled'), findsOneWidget);
+  });
+
+  testWidgets('프로덕션은 비허용 에러를 unknown_error로 처리한다', (WidgetTester tester) async {
+    await _pumpErrorScreen(
+      tester,
+      errorCode: 'weird_error',
+      description: '원문 메시지',
+      isProdOverride: true,
+    );
+
+    expect(find.text('인증 과정에서 오류가 발생했습니다'), findsOneWidget);
+    expect(find.text('에러가 계속되면 관리자에게 문의해주세요'), findsOneWidget);
+    expect(find.text('원문 메시지'), findsNothing);
+    expect(find.text('오류 종류: unknown_error'), findsOneWidget);
+  });
+}