How to Fully Test a Feature in Software

🧩 Pre-condition:

• Feature deployed (dev/staging)
• Requirement/spec available
• Test account & data ready
• Tools ready (browser, Postman, DevTools)

🧪 Steps:

Link Mindmap: https://xmind.ai/share/JnBiJ6a1?xid=zWPEj9o6

1. UI / UX

• Review the layout and visual display
• User interaction (click, button, input, hover, links) → any response?
• Responsive design (MB, Tablet,...) → does it adapt?
• Enter invalid inputs → error messages?
• Usability (experience smooth?)

2. Functionality (Business Logic)

• Valid input → correct result?
• Invalid input → validation triggered?
• Edge cases (empty, max, special chars)
• Test different logic paths, if-else branches
• API & backend integration
• Error handling (network, timeout)

3. Non-Functional

• Security (unauthorized access)
• Performance (speed, heavy data)
• Use DevTools → check console errors, network issues, response times
• Are there proper logs for debugging?

4. Extra Checks (If applicable)

• Multi-language support
• Tracking/analytics
• Accessibility (keyboard, screen reader)

✅ Expected:

• UI displays correctly with no visual issues or broken layout
• All flows and logic work as expected.
• No unexpected errors in console or API responses.
• Proper permission checks and security handling.
• Feature performs smoothly even with large or edge-case data.
• Supports all required environments, devices, and users.

🧠 Tip

Use this as a QA checklist before raising a bug. Covering all these areas helps ensure you're not missing important cases — and helps developers reproduce and fix issues faster.