TAP-inspired unit test library for Node, Deno, Bun, and browsers. ES modules, TypeScript, zero dependencies.

Process-isolated test runner for tape-six. Runs each test file in its own subprocess. Works with Node, Deno, and Bun. Supports TypeScript without transpilation.

Property-based testing plugin for tape-six powered by fast-check: t.prop() and t.scheduler() tester methods with structured counterexamples, seeds, and replay.

Playwright-based browser test runner for tape-six. Runs each test file in its own browser context (Chromium, Firefox, or WebKit). Works with Node, Deno, and Bun.

Zero-dependency invariant checks that materialize into real tape-six assertions under test, and stay inert (or configurable) in production.

Puppeteer-based browser test runner for tape-six. Runs each test file in its own browser context (Chromium or Firefox). Works with Node, Deno, and Bun.

tap-producing test harness for node and browsers

Loaders, in three prints. Six states, three visual worlds, one API.

TypeScript definitions for tape

Convert shorthand hex color codes into full

Codecs for numbers of different sizes and endianness

human-readable TAP summarizer

Promise/async support for tape.

Property testing for JavaScript

TypeScript definitions for blue-tape

Return whether a directory is a subdirectory of another directory

🐊Putout plugin helps with tests

a wrapper around tape that catches and reports exceptions

Headless tape test runner

Babel + Tape for running your ES Next tests