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userfront/test/login_link_route_policy_test.dart

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+import 'package:flutter_test/flutter_test.dart';
+import 'package:userfront/core/i18n/locale_registry.dart';
+import 'package:userfront/features/auth/domain/login_link_route_policy.dart';
+
+void main() {
+  group('login_link_route_policy', () {
+    setUp(() {
+      LocaleRegistry.setSupportedLocaleCodesForTest(['ko', 'en']);
+    });
+
+    tearDown(() {
+      LocaleRegistry.resetForTest();
+    });
+
+    test('extracts short code from plain short-code route', () {
+      final shortCode = extractLoginShortCode(Uri.parse('/l/AB123456'));
+      expect(shortCode, 'AB123456');
+    });
+
+    test('extracts short code from localized short-code route', () {
+      final shortCode = extractLoginShortCode(Uri.parse('/ko/l/AB123456'));
+      expect(shortCode, 'AB123456');
+    });
+
+    test('treats localized short-code route as public path', () {
+      final isPublic = isPublicAuthPath(
+        '/l/AB123456',
+        Uri.parse('/ko/l/AB123456'),
+      );
+      expect(isPublic, isTrue);
+    });
+  });
+}

userfront/test/qr_camera_bootstrap_policy_test.dart

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+import 'package:flutter_test/flutter_test.dart';
+import 'package:userfront/features/auth/presentation/qr_camera_bootstrap_policy.dart';
+
+void main() {
+  group('bootstrapQrCamera', () {
+    test('권한 허용 후 카메라 실행 성공 시 ready 상태를 반환한다', () async {
+      var stopCalled = false;
+
+      final result = await bootstrapQrCamera(
+        hasBarcodeDetector: true,
+        openCameraAndPlay: () async {},
+        stopCamera: () async {
+          stopCalled = true;
+        },
+      );
+
+      expect(result.status, QrCameraBootstrapStatus.ready);
+      expect(stopCalled, isFalse);
+    });
+
+    test('권한 허용 후 play 단계 오류는 cameraError로 분류한다', () async {
+      var stopCalled = false;
+
+      final result = await bootstrapQrCamera(
+        hasBarcodeDetector: true,
+        openCameraAndPlay: () async {
+          throw Exception('NotReadableError: Could not start video source');
+        },
+        stopCamera: () async {
+          stopCalled = true;
+        },
+      );
+
+      expect(result.status, QrCameraBootstrapStatus.cameraError);
+      expect(result.errorDetail, contains('NotReadableError'));
+      expect(stopCalled, isFalse);
+    });
+
+    test('권한 거부 오류는 permissionError로 분류한다', () async {
+      final result = await bootstrapQrCamera(
+        hasBarcodeDetector: true,
+        openCameraAndPlay: () async {
+          throw Exception('NotAllowedError: Permission denied');
+        },
+        stopCamera: () async {},
+      );
+
+      expect(result.status, QrCameraBootstrapStatus.permissionError);
+      expect(result.errorDetail, contains('NotAllowedError'));
+    });
+
+    test('detector 미지원이면 카메라를 정리하고 detectorUnsupported를 반환한다', () async {
+      var stopCalled = false;
+
+      final result = await bootstrapQrCamera(
+        hasBarcodeDetector: false,
+        openCameraAndPlay: () async {},
+        stopCamera: () async {
+          stopCalled = true;
+        },
+      );
+
+      expect(result.status, QrCameraBootstrapStatus.detectorUnsupported);
+      expect(stopCalled, isTrue);
+    });
+  });
+}

userfront/test/qr_scan_route_test.dart

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+import 'package:flutter_test/flutter_test.dart';
+import 'package:userfront/features/auth/presentation/qr_scan_route.dart';
+
+void main() {
+  group('buildQrApprovePath', () {
+    test('스캔 값을 trim/encode 해서 approve 경로를 만든다', () {
+      final result = buildQrApprovePath(
+        '  https://sss.hmac.kr/ql/abc-123?x=1&y=2  ',
+        localeCode: 'ko',
+      );
+
+      expect(
+        result,
+        '/ko/approve?ref=https%3A%2F%2Fsss.hmac.kr%2Fql%2Fabc-123%3Fx%3D1%26y%3D2',
+      );
+    });
+
+    test('현재 URI에서 locale을 추출한다', () {
+      final result = buildQrApprovePath(
+        'abc123',
+        currentUri: Uri.parse('https://sss.hmac.kr/en/dashboard'),
+      );
+
+      expect(result, '/en/approve?ref=abc123');
+    });
+  });
+}

userfront/test/qr_scan_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/qr_scan_screen.dart';
+
+void main() {
+  testWidgets('QR 스캔 화면은 비활성 문구 대신 입력/이동 UI를 노출한다', (tester) async {
+    await tester.pumpWidget(const MaterialApp(home: QRScanScreen()));
+
+    expect(
+      find.text('QR Scanner is temporarily disabled for WASM build stability.'),
+      findsNothing,
+    );
+    expect(find.byKey(const ValueKey('qr_scan_manual_input')), findsOneWidget);
+    expect(find.byKey(const ValueKey('qr_scan_submit_button')), findsOneWidget);
+  });
+}