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🧪 Comprehensive Automated Testing Framework

📋 Summary

This PR addresses issue #91 by implementing a robust, multi-layer automated testing framework. It establishes a testing pyramid strategy including unit, integration, security, and contract tests, orchestrated via a new GitHub Actions workflow.

🛠️ Technical Implementation

1. Testing Infrastructure (api-testing/)

  • Jest & TS-Jest: Configured as the primary test runner with TypeScript support.
  • Axios Client: Created a standardized ApiClient for consistent HTTP interactions with microservices.
  • Reporters: Integrated jest-html-reporter and jest-junit for detailed visual and CI-compatible reports.

2. Test Layers

  • Unit Tests: Isolated logic testing (mocking dependencies).
  • Integration Tests: Verifying service-to-service communication and database interactions (e.g., Authentication.test.ts).
  • Security Tests: Automated vulnerability scanning and auth bypass checks.
  • Contract Tests: Ensuring microservice API compatibility.

3. CI/CD Automation

  • Created .github/workflows/comprehensive-test.yml which:
    • Spins up ephemeral PostgreSQL and Redis containers.
    • Installs dependencies and sets up the test environment.
    • Executes the full test suite in order (Unit -> Integration -> Security -> Contract).
    • Generates and uploads test artifacts.

✅ Impact

  • Code Quality: Enforces high standards and prevents regressions.
  • Reliability: Catches integration issues before deployment.
  • Security: Proactively identifies vulnerabilities in the pipeline.
  • Velocity: Enables faster refactoring and feature development with confidence.

🔍 Verification

  1. Run cd api-testing && npm install.
  2. Run npm run test:integration to verify the authentication flow.
  3. Check the test-reports/ directory for the HTML report.

Closes #91