Unit Testing with Jest
Write Jest tests that actually catch bugs: React component tests with React Testing Library and real user interactions, plus API-layer tests with Supertest, DB isolation, and Zod schema assertions.
Prompts in this Collection
- 1
React Component Unit Tests with Jest & RTL
Generate comprehensive unit tests for React components using Jest and React Testing Library with proper mocking patterns.
Component tests using RTL and user-event — all ten scenarios from render to async error states.
intermediatejest - 2
REST API Tests with Supertest & Jest
Generate a production-grade API test suite using Supertest and Jest covering happy paths, validation errors, auth, RBAC, and DB isolation — with Zod response shape validation.
Unit-test your API handlers directly via Supertest — no HTTP overhead, full DB transaction isolation.
intermediatejest