tester

You can automate QA testing by using Vitest for business logic, Storybook for UI component verification, and Playwright for end-to-end user flows, ensuring comprehensive coverage across mobile-first layouts.

You can verify UI components across themes and devices by creating Storybook stories that validate visual fidelity, allowing you to systematically check how components render under various conditions.

Yes, you need Node.js and npm or yarn to install dependencies and run Vitest and Playwright tests, with standard development tooling configured in your project's package.json file.

The best way to mock data during end-to-end testing is to always use mock data in development and test environments, preventing real network calls and ensuring reliable, repeatable test results.

Yes, you can run full user flows like registration, messaging, and calls using Playwright e2e testing, which validates complete user scenarios across mobile-first layouts.

Vitest is used to validate business logic and cryptographic helpers in your library and hooks, providing a fast, integrated testing solution that works seamlessly with modern development workflows.