Generate unit tests, integration tests, fixture data, mocks, snapshot baselines, and property-based test cases. Skills cover the major test frameworks across Python, TypeScript, Go, Rust, and Java — picking the right runner based on the codebase.
Related searches: claude test generation skill, AI unit test writer, claude code TDD workflow, claude test coverage automation.
Generate and run unit and integration tests using pytest (Python) or Jest (JavaScript) with fixtures, mocks, and async support. Use for test-driven development, code review validation, coverage verifi
engineering
Test-driven development skill for writing unit tests, generating test fixtures and mocks, analyzing coverage gaps, and guiding red-green-refactor workflows across Jest, Pytest, JUnit, Vitest, and Moch
engineering
World-class test automation - unit, integration, e2e testing strategies, and the battle scars from flaky tests that broke CI/CD pipelinesUse when "test, testing, unit test, integration test, e2e, end
engineering
Unit testing patterns for isolated business logic tests — AAA pattern, parametrized tests (test.each, @pytest.mark.parametrize), fixture scoping (function/module/session), mocking with MSW/VCR at netw
engineering
Analyzes codebases and generates comprehensive test suites. Unit tests, integration tests, edge cases, mocking strategies. Supports JavaScript/TypeScript (Jest, Vitest), Python (pytest), Go, and Rust.
tools
Complete testing strategy covering TDD workflow, test pyramid, unit/integration/E2E/property testing, framework best practices (Jest, Vitest, pytest), mock strategies, and CI integration. Use when wri
engineering
Use when auditing tests that may not verify real behavior: tautological assertions, missing assertions, skipped tests without a tracker, mock-everything tests, swallowed exceptions, snapshot churn, an
engineering
Test implementation across unit, integration, e2e, security, infrastructure, data pipeline, and ML domains. Use for writing tests, debugging flaky tests, improving coverage, and following TDD/BDD work
engineering
The correctness lens for a frontend build, organized around one question that decides whether your test suite is a safety net or a straitjacket: does this test go red when BEHAVIOR changes (a net — it
engineering
Jest Unit Test Scaffolder is built around Jest JavaScript test framework. The underlying ecosystem is represented by jestjs/jest (45,332+ GitHub stars). It gives an agent a more technical and reliable
tools
Tiered testing strategy (UI mock, auth stub, full-stack), fixtures, mocks, and test configuration. Handles test setup, Playwright E2E tests, pytest backend tests, mocking strategies, and CI test confi
engineering
Implement comprehensive testing strategies using Jest, Vitest, and Testing Library for unit tests, integration tests, and end-to-end testing with mocking, fixtures, and t — from bg-szy/TOP-SKILLS
engineering
Implement comprehensive testing strategies using Jest, Vitest, and Testing Library for unit tests, integration tests, and end-to-end testing with mocking, fixtures, and t — from engineering/testing
engineering
Implement comprehensive testing strategies using Jest, Vitest, and Testing Library for unit tests, integration tests, and end-to-end testing with mocking, fixtures, and t — from majiayu000/claude-skil
engineering
Use when designing or fixing a Playwright end-to-end test suite, debugging flaky tests, choosing locator strategies (getByRole vs CSS vs test-id), structuring fixtures and auth-state reuse, configurin
engineering
Python testing patterns: pytest setup, fixtures, TDD, mocking, async tests, and integration tests
engineering
Use this when: my tests keep failing randomly, write tests for this code, tests pass locally but fail in CI, how do I mock an HTTP call, my test suite is too slow, debug a failing test, increase test
engineering
Drive strict red-green-refactor TDD discipline for any code change. Use when a user requests test-driven development, asks to write a failing test first, wants to add a feature one requirement at a ti
engineering
Create and run tests for The Dreamer's Cave. Use for pytest (backend), vitest (frontend), fixtures, mocking, and coverage.
engineering
Test-driven development substrate for solo + small-team builds. Iron-law red-green-refactor with dual-runtime examples (Vitest for TypeScript/Next.js, pytest for Python/FastAPI), regression-test-for-e
engineering
Write and run tests across languages and frameworks. Use when setting up test suites, writing unit/integration/E2E tests, measuring coverage, mocking dependencies, or debugging test failures. Covers N
engineering
Project-aware unit testing guide with mock patterns, TDD discipline, and best practices. Auto-detects test framework (Jest/Vitest) and provides appropriate examples. Use when: (1) writing or fixing un
engineering
Write effective unit tests — Arrange-Act-Assert structure, test boundary selection, mocking strategy, test doubles (spy/stub/mock/fake), parameterized tests, snapshot pitfalls, test naming, and Vitest
engineering
Vitest fast unit testing framework powered by Vite with Jest-compatible API. Use when writing tests, mocking, configuring coverage, or working with test filtering and fixtures.
engineering
Use this skill when writing unit tests with Jest or Vitest, implementing mocking strategies, configuring test runners, or improving test coverage. Triggers on Jest, Vitest, describe/it/expect, mocking
engineering
Complete unit testing skill for TypeScript/NestJS projects using Jest, @golevelup/ts-jest, and in-memory databases. ALWAYS use this skill when user needs to: **SETUP** - Initialize or configure unit t
engineering
Generate unit tests, integration tests, and test fixtures for code. Supports Jest, Mocha, pytest. Use when writing tests or improving test coverage.
engineering
Initialize a DDD monorepo with backend (FastAPI, SQLAlchemy, multi-BC architecture) and frontend (React 19, Vite, TypeScript) packages. Scaffolds full project structure: root orchestration (Makefile,
tools
Rebuild a connector's generated schemas directory and `test.flow.yaml` bindings via `flowctl raw discover`, then refresh pytest snapshots. Destructive — deletes the generated dir and rewrites the test
general
TDD workflow for RTK filter development. Red-Green-Refactor with Rust idioms. Real fixtures, token savings assertions, snapshot tests with insta. Auto-triggers on new filter implementation.
engineering
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