Step 6 — QA – Outcome
Purpose: Validate the generated application through automated testing to ensure functionality, security, and system stability before deployment.
DeX provides an Automated QA Runner with configurable test suites covering multiple validation categories.
QA Verification Categories
| Category | Example Checks |
|---|---|
| Functional | User Authentication Flow, Document Generation Pipeline |
| Security | API Key Verification, Authorization checks |
| API | FastAPI Health & Routing Tables |
| System | Build Directory Permissions, File integrity |
Steps
- After completing Phase 5 — Code, navigate to Phase 6 – QA Outcome.
- Review the Standard QA Verification List — items are pre-populated based on your project stack.
- Click Run QA to execute the automated test suite.
- Observe results in the Execution Terminal Output panel in real time.
- Switch between:
- Terminal Logs — Detailed execution output
- Live App Preview — Visual validation of the running application
⚠️ If any checks fail, return to Phase 5 – Code to resolve the issues, then re-run the QA suite before proceeding to deployment.
Worked Example — Contractor Sync QA Run
The Standard QA Verification List auto-populated for Contractor Sync's stack (Flutter + FastAPI + PostgreSQL/PostGIS) included:
| Category | Check | Result |
|---|---|---|
| Functional | Geofence boundary validation (inside/outside radius) | ✅ Passed |
| Functional | Facial verification retry/flag logic | ✅ Passed |
| Security | JWT token expiry and refresh handling | ✅ Passed |
| Security | Biometric data not persisted beyond verification window | ⚠️ Failed — flagged for fix |
| API | FastAPI route health checks | ✅ Passed |
| System | Build directory file integrity | ✅ Passed |
The flagged biometric storage issue sent the team back to Phase 5 – Code to patch the image-cleanup logic in the verification service before re-running QA. On the second run, all checks passed and the project moved to Phase 7.
What's Next
➡️ Deployment — Release the validated application into your target environment.