Purpose

Test recipes for CometChat React UI Kit integrations. Three layers — unit, component, e2e — three different mocking strategies. This skill writes the configuration and the canonical assertions; real test bodies are app-specific.

Read these other skills first:

cometchat-core — init, login, provider patterns the tests assert against
cometchat-{react,nextjs,react-router,astro}-patterns — framework-specific render gates
cometchat-react-calls/references/testing-calls-on-web.md — the calls-specific testing patterns (this skill is for chat)

Ground truth: Official docs: https://www.cometchat.com/docs/ui-kit/react/overview · Docs MCP: claude mcp add --transport http cometchat-docs https://www.cometchat.com/docs/mcp (or fetch the URL directly without MCP).

Vitest docs — https://vitest.dev/
React Testing Library — https://testing-library.com/docs/react-testing-library/intro
Playwright — https://playwright.dev/

cometchat-react-testing

Purpose

1. Vitest setup

Install