Jest

Open source

A JavaScript testing framework with built-in assertions, mocking, and snapshot testing.

by OpenJS FoundationOfficial site ↗Source code ↗

Pricing: free
Free tier: true
License: open-source
Open source: Yes

Editorial review

Jest has not yet been editorially reviewed. User reviews and published field data below are unaffected — we say so rather than implying an editorial verdict.

Facts & attributes

Every value carries its evidence state. “—” means unknown — never a silent default (P-02).

Identity · Taxonomy

Documentation(HTTPS URL): https://jestjs.io/docs/getting-startedVerified
Tags(open-source;cloud-native): javascript, typescript, unit-testing, testing-framework, snapshot-testing, open-sourceVerification pending

Pricing · Licensing

Free plan(true/false): trueVerification pending
License model(proprietary;open-source;source-available;dual-license): open-sourceVerification pending
Pricing model(free;subscription;usage;seat;asset;transaction;revenue-share;perpetual;custom): freeVerified
Source repository(HTTPS URL): https://github.com/jestjs/jestVerified
SPDX license IDs(Apache-2.0;MIT): MITVerified

Features · Product · Fit

Core capabilities(authoring;automation;analytics): Zero-config testing that works out of the box on most JavaScript projects, Snapshot testing to keep track of large objects, Tests parallelized in isolated processes for performance, Code coverage collection with the --coverage flag, Easy mocking with the rich Mock Functions APIVerification pending

Api · Integrations · Ecosystem

API available(true/false): trueVerification pending
CLI(true/false): trueVerification pending

Audience · Use · Case

Best for(Neutral editorial summary): JavaScript and TypeScript teams wanting zero-config unit testing with snapshots, coverage and mockingVerification pending
Primary use cases(build;monitor;automate): Unit testing for JavaScript and TypeScript projects, Testing React, Angular, Vue and Node projectsVerification pending

Lifecycle · Versioning

Current version(1.12.3): 30.5Verified
Maintenance status(active;maintenance;deprecated;EOL;archived): activeVerified

Vendor · Maintainer

Vendor type(commercial;foundation;community;government;consortium;individual): foundationVerified

User reviews

Review policy

No published reviews yet.