Static analysis tools in Testing Fundamentals - Framework Patterns

Framework Mode - Static analysis tools

Folder Structure for Static Analysis Setup

static-analysis-project/
├── src/
│   ├── main_code/          # Your application source code
│   └── tests/              # Automated tests
├── tools/                  # Static analysis tool configs and scripts
│   ├── linters/            # Linter configs (e.g., ESLint, Pylint)
│   ├── formatters/         # Code format configs (e.g., Prettier)
│   └── security/           # Security static analysis configs (e.g., Bandit)
├── reports/                # Generated static analysis reports
├── .gitignore              # Ignore files
├── README.md               # Project overview
└── ci/                     # CI pipeline configs integrating static analysis
  

Static Analysis Framework Layers

• Source Code Layer: Your application code to be analyzed.
• Tool Configuration Layer: Settings for linters, formatters, and security scanners.
• Execution Layer: Scripts or commands that run the static analysis tools.
• Reporting Layer: Collects and formats the results for review.
• Integration Layer: Connects static analysis with CI/CD pipelines for automated checks.

Configuration Patterns for Static Analysis

• Environment-specific configs: Use separate config files or overrides for dev, test, and production environments.
• Tool-specific config files: Place configs like .eslintrc.json, .pylintrc, or bandit.yml in the tools/ folder.
• Ignore rules: Define files or patterns to exclude from analysis (e.g., generated code).
• Credential safety: Never store secrets in configs; use environment variables or secure vaults.
• Version control: Track config files in source control for consistency across teams.

Test Reporting and CI/CD Integration

• Report formats: Generate human-readable reports (HTML, JSON) for easy review.
• Fail builds on issues: Configure CI pipelines to fail if static analysis finds critical problems.
• Notifications: Send alerts or comments on pull requests with static analysis results.
• Trend tracking: Store reports over time to monitor code quality improvements or regressions.
• Tool integration: Use CI tools like GitHub Actions, Jenkins, or GitLab CI to automate static analysis runs.

Best Practices for Static Analysis Frameworks

1. Automate analysis: Run static analysis automatically on every code change to catch issues early.
2. Keep configs simple: Start with basic rules and gradually add complexity to avoid overwhelming developers.
3. Integrate with developer tools: Enable IDE plugins or pre-commit hooks for immediate feedback.
4. Prioritize issues: Focus on critical and high-impact problems first to improve code quality effectively.
5. Review and update regularly: Keep tool versions and rules up to date to catch new types of issues.

Self-Check Question

Where in this folder structure would you add a new configuration file for a security static analysis tool like Bandit?

Key Result

Organize static analysis tools and configs separately, automate runs in CI, and report issues clearly to improve code quality.