typescript-test

Features and purpose

Provides Jest-based TypeScript testing expertise and best practices. Ensures proper test structure, mocking strategies, async handling patterns, and coverage optimization. Specializes in unit testing, integration testing, test organization with describe/it blocks, jest.mock patterns, snapshot testing, and testing library integration for UI components. Use when: writing TypeScript test files (.spec.ts, .test.ts), structuring tests with describe/it/test blocks, implementing mocks with jest.mock/jest.spyOn, testing async code with async/await or promises, creating test fixtures and helpers, implementing snapshot tests, testing React components with Testing Library, measuring and improving code coverage, or configuring Jest for TypeScript projects.

Quick start

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