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#tdd (5)

Cheat sheets (5)

jest — Delightful JavaScript testing framework

Package-level reference for jest on npm — install variants, transformer ecosystem, peer-dep landscape, vitest competition, and migration paths.
npm package testing tdd jest

vitest — Vite-native test runner

Package-level reference for vitest on npm — install variants, vite peer-dep, UI and coverage add-ons, environments, and alternatives.
npm package testing tdd esm

pytest — The De-Facto Python Test Framework

Package-level reference for pytest on PyPI — install variants, version policy, the pytest-* plugin ecosystem, and alternatives.
pip package testing tdd

Testing Strategies — Pyramid, Fixtures, Mocks, Property-Based, and CI Patterns

A practical guide to test design — the pyramid (unit/integration/e2e), fixture and mock patterns, property-based testing, snapshot tests, and CI strategies that scale.
testing unit-tests integration-tests e2e fixtures mocks property-based ci tdd

pytest — Testing Framework

Write and run Python tests with pytest. Covers test discovery, assertions, fixtures, parametrize, conftest, and common patterns.
python pytest testing fixtures parametrize tdd