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#assertion

Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.

9 records
Tagged “assertion”Ranked by health index
npm
80Goodhealth index
chaijs/chai
BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.
JavaScript★ 8,267↓ 376M/moJul 22, 2026
MITJul 22, 2026 · metrics 1.13.0
npm
65Moderatehealth index
sindresorhus/is
Type check values
TypeScript★ 1,790↓ 204M/moJul 22, 2026
MITJul 22, 2026 · metrics 1.13.0
PyPI
63Moderatehealth index
Solganis/assertpy2
Fluent, fully-typed assertion library for Python: type-narrowing assertions, contract testing, composable matchers, and structural matching.
Python★ 4↓ 6,017/moJul 19, 2026
BSD-3-ClauseJul 19, 2026 · metrics 1.13.0
Packagist
60Moderatehealth index
beberlei/assert
Thin assertion library for use in libraries and business-model
PHP★ 2,429↓ 1.7M/moJul 22, 2026
Custom licenseJul 22, 2026 · metrics 1.13.0
npm
58Moderatehealth index
KensioSoftware/smartass
TypeScript-first test assertion functions with precise type narrowing via assertion signatures.
TypeScript★ 2↓ 3,331/moJul 20, 2026
Apache-2.0Jul 20, 2026 · metrics 1.13.0
NuGet
51Moderatehealth index
lateapexearlyspeed/Lateapexearlyspeed.JsonSchema
Simple and high performance json schema implementation for .Net and related json validation in .Net, Nullability info reader even if generic type
C#★ 94Jul 22, 2026
BSD-3-ClauseJul 22, 2026 · metrics 1.13.0
npm
49At riskhealth index
chaijs/assertion-error
Error constructor for test and validation frameworks that implements standardized AssertionError specification.
TypeScript★ 26↓ 294M/moJul 22, 2026
MITJul 22, 2026 · metrics 1.13.0
npm
47At riskhealth index
jcoreio/chai-wait-for
poll until an assertion succeeds
TypeScript · JavaScript★ 3↓ 12.4K/moJul 14, 2026
MITJul 14, 2026 · metrics 1.13.0
PyPI
44At riskhealth index
assertpy/assertpy
Simple assertion library for unit testing in python with a fluent API
Python★ 529↓ 830.5K/moJul 21, 2026
BSD-3-ClauseJul 21, 2026 · metrics 1.13.0