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Found 19 Skills
Expert in Jest testing framework, advanced mocking strategies, snapshot testing, async patterns, TypeScript integration, and performance optimization
Test Node.js applications with Jest including unit tests, integration tests, mocking, code coverage, and CI/CD integration
Use when jest testing patterns including unit tests, mocks, spies, snapshots, and assertion techniques for comprehensive test coverage.
Guidelines for building high-performance APIs with Fastify and TypeScript, covering validation, Prisma integration, and testing best practices
Best practices for writing JavaScript/TypeScript tests using Jest, including mocking strategies, test structure, and common patterns.
Comprehensive React component testing with Jest and React Testing Library covering configuration, mocking strategies, async testing patterns, hooks testing, and integration testing best practices
Jest testing best practices for JavaScript and TypeScript applications, covering test structure, mocking, and assertion patterns.
Testing patterns for NestJS apps using Jest, covering unit, integration, and e2e tests.
Jest testing patterns, factory functions, mocking strategies, and TDD workflow. Use when writing unit tests, creating test factories, or following TDD red-green-refactor cycle.
Use when writing, reviewing, or debugging Jest + React Testing Library tests, before writing test code or when tests fail
Official NestJS starter with modular architecture and Jest testing.
Set up and run unit, integration, and E2E tests for Chrome extensions. Covers Jest mocks for chrome.* APIs and Puppeteer E2E with real Chrome.