Testing

📌 Planned placeholder page: this page is reserved for "Unit testing, component testing and E2E", and the content will be filled in progressively along with learning.

Planned Content

• [ ] Vitest unit testing and coverage
• [ ] Vue Test Utils / Testing Library component testing
• [ ] Playwright E2E testing practices
• [ ] Test pyramid and mock strategies

Next Steps

• [ ] Complete this page item by item against the planning checklist in the Domain Overview
• [ ] Add runnable examples and pitfall records for each entry
• [ ] Change the status from "Planned" to "Collected" when done

For writing guidelines, please refer to the Domain Overview.