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Found 31 Skills
Use when jUnit fundamentals including annotations, assertions, and test lifecycle for Java testing.
TDD workflow guide. Use PROACTIVELY when writing new features or fixing bugs. Enforces Red-Green-Refactor cycle and prevents testing anti-patterns.
Unit testing, integration testing, and test-driven development principles. Use when writing tests, reviewing test code, improving test coverage, or setting up testing strategy. Triggers on "write tests", "review tests", "testing best practices", or "TDD".
Design, implement, and maintain high‑value TypeScript test suites using popular JS/TS testing libraries. Use this skill whenever the user is adding tests, debugging failing tests, or refactoring code that should be covered by tests.
Use when writing or changing tests, adding mocks, or tempted to add test-only methods to production code - prevents testing mock behavior, production pollution with test-only methods, and mocking without understanding dependencies
Use when testing React Native Web applications. Provides patterns for Jest, React Native Testing Library, component testing, and web-specific testing strategies.
Master end-to-end testing to build reliable test suites that catch bugs, improve confidence, and enable fast deployment. Use when implementing E2E tests, debugging flaky tests, or establishing testing standards.