leebyron/testcheck-js
Generative testing for JavaScript observed · 2026-08-28
Health v2 · maintenance only
23/100
- Activity 0
- Release rhythm 8
- Longevity 100
Flags: no_license
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 4418
- days_rel: n/a
- days_push: 1236
- n_releases_24m: 0
Adoption not part of the score
1172 stars · 40 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
TestCheck.js is a generative (property-based) testing library for JavaScript, inspired by QuickCheck. It runs properties against many randomly generated cases and shrinks failures to the smallest failing test case, integrating with frameworks like Jest, Mocha, AVA, and Tape via plugins.
Use cases
- property-based testing in JavaScript
- verify functions hold for many random inputs
- find minimal failing test case via shrinking
- generate random test data for tests
- add QuickCheck-style tests to Jest or Mocha
When to choose
- you want property-based testing in a JS/Node project
- you use a test framework with an existing testcheck plugin
- you need automatic shrinking of failing cases
When to avoid
- you need a full test runner (it's a utility, not a framework)
- you need actively developed property testing (consider fast-check instead)
- you only need example-based unit tests
Facets
library · maturity maintenance
testing fuzzing data-generation testing developer-tools cross-platform property-based-testing quickcheck generators test-framework-agnostic shrinking javascript nodejs
3 sources
- readme: https://github.com/leebyron/testcheck-js · fetched 2026-08-28 · b4d68dc855d0
- homepage: http://leebyron.com/testcheck-js · fetched 2026-08-29 · 989781dea3ec
- site_page: http://leebyron.com/testcheck-js/api · fetched 2026-08-29 · d1b187cf69fc
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| leebyron/testcheck-js | main | 23 |
For agents
markdown · JSON · MCP: product_card(name="leebyron/testcheck-js")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem