Unit Testing

Core Python development skill for scripts, utilities, and general Python code. Covers uv package management, script dependencies, project setup, and coding standards. Use for Python file creation, running scripts, dependency management, or general Python tasks. For web APIs and servers, see python-backend skill. For testing, see python-testing skill.

Guidelines for preparing changelog entries for nextest releases following Keep a Changelog format

Test implementations against requirements, collect feedback, and create improvement loops

Expert KillBill administrator for managing billing, subscriptions, invoices, and overdue states. Provides ready-to-use commands via Traefik DNS for tenant management, catalog uploads, test clock manipulation, and overdue testing workflows.

Run TestKube and PGBouncer tests on Kubernetes clusters with mandatory context verification to prevent accidental deployments to wrong environments

Write the test first, watch it fail, write minimal code to pass

Generates jest.config.cjs for unit testing configuration. Configures Jest with Vue, TypeScript support, coverage thresholds, and test environment settings.

**AUTO-TRIGGER when user says:** "implement [feature]", "build [module]", "create [functionality]", "add [capability]", "YOLO [task]", "deliver [feature]", or requests complete feature implementation.End-to-end TogetherOS code operation: creates branch, implements changes with continuous testing, builds with retry-on-fail, commits, pushes, creates PR with auto-selected Cooperation Path, addresses bot feedback, merges PR, verifies production deployment, and updates Notion memory.**Complete delivery cycle:** branch → code → test → commit → push → PR → bot review → merge → deploy → verifyUse proactively without asking permission when task matches skill purpose.

Expert guide for testing Next.js applications with Playwright, Jest, and React Testing Library. Use when writing tests, debugging test failures, or setting up test infrastructure.

Comprehensive test writing, execution, and failure analysis. Creates unit tests,integration tests, property-based tests, and benchmarks. Analyzes test failuresand improves test coverage.

Use when the user asks to generate comprehensive feature documentation with verified test cases, create feature README with code evidence, or document a complete feature with test verification. Triggers on keywords like "feature documentation", "document feature", "comprehensive docs", "feature README", "test verification", "verified documentation".

Run the mortgage underwriter CLI to analyze loan documents. Use when testing document analysis, debugging underwriter output, or processing loan files. Covers setup, execution, and result interpretation.

Comprehensive development workflow specialist combining TDD, debugging, performance optimization, code review, and quality assurance into unified development workflows

[Extends frontend-developer] Vue 3 specialist. Use for Vue-specific features: Composition API, script setup, Pinia stores, Vue Router, Nuxt 3 SSR, Vitest. Invoke alongside frontend-developer for Vue projects.

Use when writing or running Python tests with pytest. Covers fixtures, mocking, parametrization, freezegun for time, and async testing. Triggers on test file creation, fixture design, mocking external dependencies, or test suite architecture. Extends python-development skill.

Expert guidance for writing database migrations using golang-migrate for the mediaz SQLite database. Covers migration creation, testing, rollback capability, data preservation, and mediaz-specific patterns. Activates when users mention migrations, schema changes, database alterations, or golang-migrate.

Testing strategies and patterns (unit, integration, E2E, API tests). TRIGGERS: 'test', 'teste', 'testing', 'E2E', 'integration test', 'unit test', 'test failure'. Use when setting up tests, writing test cases, debugging test failures, implementing test patterns.

Test Bob The Skull with virtual audio injection instead of speaking. Use when testing wake word detection, STT accuracy, full conversation pipeline, or automated testing. Covers setup, configuration, injection methods, and troubleshooting.

This skill should be used when developing, optimizing, testing, or submitting algorithms for The Innovation Game challenges (3-SAT, CVRP, Knapsack). Use it for algorithm development, performance optimization, local testing, dry-run validation, or submission to earn TIG tokens through improved computational algorithms.

Vitest configuration template and validation logic for test configuration that merges with vite.config.ts. Includes 5 required standards (must merge with vite.config using mergeConfig, required test configuration with globals and jsdom environment, required setup file at src/test/setup.ts with @testing-library/jest-dom, required dependencies, required npm test scripts). Use when creating or auditing vitest.config.ts files to ensure proper test environment setup.