python-testing

57.0k

affaan-m

Python testing strategies using pytest, TDD methodology, fixtures, mocking, parametrization, and coverage requirements.

django-tdd

57.0k

affaan-m

Django testing strategies with pytest-django, TDD methodology, factory_boy, mocking, coverage, and testing Django REST Framework APIs.

python-testing-patterns

29.9k

wshobson

Implement comprehensive testing strategies with pytest, fixtures, mocking, and test-driven development. Use when writing Python tests, setting up test suites, or implementing testing best practices.

javascript-testing-patterns

29.9k

wshobson

Implement comprehensive testing strategies using Jest, Vitest, and Testing Library for unit tests, integration tests, and end-to-end testing with mocking, fixtures, and test-driven development. Use when writing JavaScript/TypeScript tests, setting up test infrastructure, or implementing TDD/BDD workflows.

temporal-python-testing

29.9k

wshobson

Test Temporal workflows with pytest, time-skipping, and mocking strategies. Covers unit testing, integration testing, replay testing, and local development setup. Use when implementing Temporal workflow tests or debugging test failures.

testing-python

23.3k

jlowin

Write and evaluate effective Python tests using pytest. Use when writing tests, reviewing test code, debugging test failures, or improving test coverage. Covers test design, fixtures, parameterization, mocking, and async testing.

testing-patterns

21.8k

davila7

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.

python-testing-patterns

18.0k

sickn33

Implement comprehensive testing strategies with pytest, fixtures, mocking, and test-driven development. Use when writing Python tests, setting up test suites, or implementing testing best practices.

javascript-testing-patterns

18.0k

sickn33

Implement comprehensive testing strategies using Jest, Vitest, and Testing Library for unit tests, integration tests, and end-to-end testing with mocking, fixtures, and test-driven development. Use when writing JavaScript/TypeScript tests, setting up test infrastructure, or implementing TDD/BDD workflows.

temporal-python-testing

18.0k

sickn33

Test Temporal workflows with pytest, time-skipping, and mocking strategies. Covers unit testing, integration testing, replay testing, and local development setup. Use when implementing Temporal workflow tests or debugging test failures.

api-testing-observability-api-mock

18.0k

sickn33

You are an API mocking expert specializing in realistic mock services for development, testing, and demos. Design mocks that simulate real API behavior and enable parallel development.

testing-patterns

5.5k

vudovn

Testing patterns and principles. Unit, integration, mocking strategies.

vitest

3.8k

antfu

Vitest is a fast unit testing framework powered by Vite with a Jest-compatible API. Use it when writing tests, mocking, configuring coverage, or working with test filtering and fixtures.

vue-testing-best-practices

3.8k

antfu

Use for Vue.js testing. Covers Vitest, Vue Test Utils, component testing, mocking, testing patterns, and Playwright for E2E testing.

unit-testing

2.5k

TencentBlueKing

Unit testing writing guide, covering JUnit5/MockK usage, testing naming conventions, mocking techniques, testing coverage requirements, and TDD practices. This is used when users write unit tests, mock dependencies, improve testing coverage, or engage in test-driven development.

Jazz Testing

2.5k

garden-co

Use this skill when you need to write, review, or debug automated tests for applications built on the Jazz framework. This skill provides the correct architectural patterns for simulating local-first synchronization and multi-user environments without resorting to invalid mocking strategies.

rdc-react-testing

2.0k

reactive

Test @data-client/react with renderDataHook - jest unit tests, fixtures, interceptors, mock responses, nock HTTP mocking, hook testing, component testing

mocking-apis

1.5k

Jeremylongshore Claude Code Plugins Plus Skills Mocking Apis

Generate mock API servers for testing and development with realistic response data. Use when creating mock APIs for development and testing. Trigger with phrases like "create mock API", "generate API mock", or "setup mock server".

pytest

1.4k

Gentleman-Programming

Pytest testing patterns for Python. Trigger: When writing Python tests - fixtures, mocking, markers.

vitest

929

sanity-io

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.

pest-testing

642

spatie

Tests applications using the Pest 4 PHP framework. Activates when writing tests, creating unit or feature tests, adding assertions, testing Livewire components, browser testing, debugging test failures, working with datasets or mocking; or when the user mentions test, spec, TDD, expects, assertion, coverage, or needs to verify functionality works.

temporal-python-testing

571

benchflow-ai

Test Temporal workflows with pytest, time-skipping, and mocking strategies. Covers unit testing, integration testing, replay testing, and local development setup. Use when implementing Temporal workflow tests or debugging test failures.

vitest

570

onmax

Use when writing unit/integration tests for Vite projects - provides Vitest configuration, test APIs, mocking patterns, and coverage setup

angular-testing

449

analogjs

Write unit and integration tests for Angular v20+ applications using Vitest or Jasmine with TestBed and modern testing patterns. Use for testing components with signals, OnPush change detection, services with inject(), and HTTP interactions. Triggers on test creation, testing signal-based components, mocking dependencies, or setting up test infrastructure. Don't use for E2E testing with Cypress or Playwright, or for testing non-Angular JavaScript/TypeScript code.

unit-test-implementation

427

AztecProtocol

Best practices for implementing unit tests in this TypeScript monorepo. Use when writing new tests, refactoring existing tests, or fixing failing tests. Covers mocking strategies, test organization, helper functions, and assertion patterns.

terraform-test

406

Hashicorp Agent Skills Terraform Test

Comprehensive guide for writing and running Terraform tests. Use when creating test files (.tftest.hcl), writing test scenarios with run blocks, validating infrastructure behavior with assertions, mocking providers and data sources, testing module outputs and resource configurations, or troubleshooting Terraform test syntax and execution.

Real Pytest - No Mocks, Real Tests

399

Taylorsatula Mira Oss Pytest Real Testing

Write pytests that test real public interfaces with actual components, no mocking, and precise assertions. MIRA-specific patterns. Use when creating or reviewing tests.

vitest

376

a5c-ai

Vitest configuration, mocking, coverage, snapshot testing, and performance.

jest

376

a5c-ai

Jest configuration, mocking strategies, snapshot testing, and coverage.

msw

376

a5c-ai

Mock Service Worker API mocking, request handlers, and integration testing.

bats-test-scaffolder

376

A5c Ai Babysitter Bats Test Scaffolder

Generate BATS test structure and fixtures for shell script testing with setup/teardown, assertions, and mocking.

testing-frontend

241

MadAppGang

Use when writing component tests, testing user interactions, mocking APIs, or setting up Vitest/React Testing Library/Vue Test Utils for frontend applications.

testing-strategies

241

MadAppGang

Use when writing tests, setting up test frameworks, implementing mocking strategies, or establishing testing best practices (unit, integration, E2E) across any technology stack.

testing

206

rsmdt

Writing effective tests and running them successfully. Covers layer-specific mocking rules, test design principles, debugging failures, and flaky test management. Use when writing tests, reviewing test quality, or debugging test failures.

testing-test-writing

188

aiskillstore

Write minimal, focused tests for core user flows and critical paths during development, testing behavior rather than implementation with clear test names and mocked dependencies. Use this skill when writing unit tests, integration tests, test files, test cases for critical workflows, or mocking external dependencies. Apply when working with test files (.test.js, .spec.ts, _test.py), test frameworks (Jest, RSpec, pytest), testing user journeys, or implementing fast-executing tests that validate business-critical functionality without over-testing implementation details or edge cases during feature development.

testing-patterns

188

aiskillstore

Vitest testing patterns and strategies for unit tests, agent tests, and API tests with Supabase mocking

testing-ai-agents

150

panaversity

Use when testing AI agent code with pytest. Covers TDD for agent APIs, mocking LLM calls (NOT evaluating LLM outputs), pytest-asyncio patterns, FastAPI testing with httpx, SQLModel testing, and agent tool testing. NOT for evaluating LLM reasoning quality (use evals skill).

writing-good-tests

133

ed3dai

Use when writing or reviewing tests - covers test philosophy, condition-based waiting, mocking strategy, and test isolation

testing-anti-patterns

132

Microck

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

javascript-testing-patterns

132

Microck

Implement comprehensive testing strategies using Jest, Vitest, and Testing Library for unit tests, integration tests, and end-to-end testing with mocking, fixtures, and test-driven development. Use when writing JavaScript/TypeScript tests, setting up test infrastructure, or implementing TDD/BDD workflows.

python-testing-patterns

132

Microck

Implement comprehensive testing strategies with pytest, fixtures, mocking, and test-driven development. Use when writing Python tests, setting up test suites, or implementing testing best practices.

testing-r-packages

131

posit-dev

Best practices for writing R package tests using testthat version 3+. Use when writing, organizing, or improving tests for R packages. Covers test structure, expectations, fixtures, snapshots, mocking, and modern testthat 3 patterns including self-sufficient tests, proper cleanup with withr, and snapshot testing.

unit-test-service-layer

128

giuseppe-trisciuoglio

Provides patterns for unit testing service layer with Mockito. Validates business logic in isolation by mocking dependencies. Use when testing service behaviors and business logic without database or external services.

langchain4j-testing-strategies

128

giuseppe-trisciuoglio

Provides testing strategies for LangChain4j-powered applications. Handles mocking LLM responses, testing retrieval chains, and validating AI workflows. Use when testing AI-powered features reliably.

unit-test-scheduled-async

128

giuseppe-trisciuoglio

Provides patterns for unit testing scheduled and async tasks using @Scheduled and @Async. Handles mocking task execution and timing. Use when validating asynchronous operations and scheduling behavior.

ring:testing-anti-patterns

122

LerianStudio

Test quality guard - prevents testing mock behavior, production pollution with test-only methods, and mocking without understanding dependencies.

testing-with-api-mocks

116

stacklok

Start here for all API mocking in tests. Covers auto-generation, fixtures, and when to use other skills. Required reading before creating, refactoring, or modifying any test involving API calls.

jest

109

partme-ai

Provides comprehensive guidance for Jest testing framework including test writing, matchers, async testing, mocking, snapshots, configuration, and CLI. Use when the user asks about Jest, needs to write JavaScript/TypeScript tests, mock dependencies, or configure Jest for projects.