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Found 40 Skills
Use when writing new Playwright E2E tests or adding test cases. Provides testing philosophy, patterns, and best practices from the Playwright Developer Handbook.
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
PHPUnit testing best practices and conventions guide. This skill should be used when writing, reviewing, or refactoring PHPUnit tests to ensure consistent, maintainable, and effective test suites. Triggers on tasks involving test creation, test refactoring, test configuration, code coverage, data providers, mocking, or PHPUnit XML configuration.
Testing patterns and best practices for unit, integration, and E2E testing.
Gatling load testing for APIs. Use for load testing.
Expert guide for writing Effect-TS code, including project setup, core principles, data modeling with Schema, error handling, and the Context.Tag service pattern. Use when writing, refactoring, or analyzing TypeScript code using the Effect library.
React Testing Library best practices for writing maintainable, user-centric tests. Use when writing, reviewing, or refactoring RTL tests. Triggers on test files, testing patterns, getBy/queryBy queries, userEvent, waitFor, and component testing.
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.
Use when advanced Pytest features including markers, custom assertions, hooks, and coverage configuration.
ALWAYS use when writing code importing "@vue/test-utils". Consult for debugging, best practices, or modifying @vue/test-utils, vue/test-utils, vue test-utils, vue test utils, test-utils, test utils.
Used when implementing any feature or bug fix before writing production code
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.