Chronos/benchmarks/multi-random-retrieval/dataset/example_bug.json at main · Kodezi/Chronos · GitHub

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{
  "bug_id": "mrr_python_001",
  "language": "python",
  "difficulty": "medium",
  "bug_type": "null_pointer",
  "repository_size": "~50K LOC",
  "file_count": 28,
  "time_span_months": 7,
  "description": "Application crashes with AttributeError when processing user exports after recent authentication refactor",
  "symptoms": [
    "AttributeError: 'NoneType' object has no attribute 'name'",
    "Occurs in production but not in development",
    "Started after commit a1b2c3d (3 months ago)",
    "Affects 5% of export operations"
  ],
  "scattered_context": {
    "auth_service.py": {
      "relevance": "critical",
      "description": "Contains refactored authentication logic",
      "key_changes": "Method 'get_token' renamed to 'refresh_token', null check removed"
    },
    "export_handler.py": {
      "relevance": "critical",
      "description": "Export logic still using old method name",
      "line": 142
    },
    "tests/test_auth.py": {
      "relevance": "high",
      "description": "Contains test for null token case, but not in CI",
      "issue": "Test exists but excluded from CI pipeline"
    },
    "commits/a1b2c3d": {
      "relevance": "high",
      "description": "Authentication refactoring commit",
      "date": "3 months ago"
    },
    "docs/api.md": {
      "relevance": "medium",
      "description": "Still documents old 'get_token' method"
    }
  },
  "ground_truth": {
    "root_cause": "Missing null check after authentication token refresh refactoring",
    "files_involved": [
      "auth_service.py",
      "export_handler.py",
      "models/user.py"
    ],
    "commits_relevant": [
      "a1b2c3d",
      "d4e5f6g",
      "789abcd"
    ],
    "fix_location": {
      "file": "export_handler.py",
      "line": 142,
      "function": "process_user_export",
      "fix_type": "add_null_check"
    },
    "correct_fix": "if token is None: raise AuthenticationException('Failed to authenticate user for export')"
  },
  "test_suite": "tests/test_export.py",
  "validation_criteria": {
    "must_pass": [
      "test_export_with_valid_auth",
      "test_export_with_null_token",
      "test_export_with_expired_token"
    ],
    "total_tests": 47,
    "regression_tests": [
      "test_concurrent_exports",
      "test_large_data_export"
    ]
  },
  "evaluation_metrics": {
    "files_to_find": 5,
    "commits_to_trace": 3,
    "cross_file_dependencies": 4,
    "temporal_span_days": 210
  }
}