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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);
+    });
+  });
+}