I Used to Think Software Testing Was Unnecessary. Then I Started Building My Own Project.

Description and use

By adopting a layered testing strategy, the author aims to reduce regressions, increase confidence in deployments, and shift from manual to automated verification.

Problem

Manual testing of a growing codebase leads to missed regressions and unreliable user experience.

Outcome

By adopting a layered testing strategy, the author aims to reduce regressions, increase confidence in deployments, and shift from manual to automated verification.

Workflow

• 1. Identify high‑impact components (lab execution, curriculum sync, etc.).
• 2. Write unit tests for isolated logic (e.g., lab configuration validation).
• 3. Add integration tests to verify component interactions (backend handling lab requests).
• 4. Implement E2E tests to simulate user flows (initiate lab, receive result).
• 5. Create regression tests to ensure existing functionality remains intact after changes.
• 6. Integrate tests into CI pipeline to run on every commit.