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Assertion Libraries

Libraries that provide expressive assertion utilities to support BDD/TDD testing in JavaScript and Node.js applications.

by The Linux Foundation

・

22 projects ・ Updated 14 Mar 2025

Only Linux Foundation projects

Project

Contributors

Organizations

Software value

Jest

16,375

4,818

$5.8M

Enzyme

4,376

1,262

$1.1M

Testify

2,025

800

$660K

AssertJ

1,762

368

$8.4M

Chai

1,523

643

$501K

Fluent Assertions

1,442

310

$47M

Quick

956

243

$1.4M

testthat

931

322

$1M

doctest

679

200

$861K

Shouldly

634

133

$891K

Gomega

504

155

$849K

Resolve

405

207

$162K

Truth

397

$1.3M

uvu

243

131

$154K

go-cmp

235

120

$307K

should.js

230

$243K

ApprovalTests.Java

203

$1.3M

ApprovalTests.Python

177

$371K

deep-equal

127

$58K

Predicates-rs

$128K

Deep Eql

Smarty Fluent Assertions Package

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