Method analyze_coverage_gaps

testing/test_generator.py:223–253

Analyze coverage data to identify functions needing tests.

(self)

        }
    
    def analyze_coverage_gaps(self) -> List[FunctionInfo]:
        """Analyze coverage data to identify functions needing tests."""
        coverage_file = self.project_root / "coverage.json"
        if not coverage_file.exists():
            print("Warning: coverage.json not found. Run tests with --coverage first.")
            return []
        
        try:
            with open(coverage_file, 'r') as f:
                coverage_data = json.load(f)
        except json.JSONDecodeError:
            print("Warning: Could not parse coverage.json")
            return []
        
        functions_needing_tests = []
        
        for file_path, file_data in coverage_data.get('files', {}).items():
            if not file_path.startswith('src/'):
                continue
            
            missing_lines = set(file_data.get('missing_lines', []))
            if not missing_lines:
                continue
            
            # Analyze the source file
            full_path = self.project_root / file_path
            if full_path.exists():
                functions = self._extract_functions_from_file(full_path, missing_lines)
                functions_needing_tests.extend(functions)
        
        return sorted(functions_needing_tests, key=lambda x: x.complexity_score, reverse=True)
    
    def _extract_functions_from_file(self, file_path: Path, missing_lines: Set[int]) -> List[FunctionInfo]:
        """Extract function information from a source file."""