Jest

aid: jest
name: Jest
description: Jest is a delightful JavaScript testing framework with a focus on simplicity. It works with projects using Babel,
  TypeScript, Node, React, Angular, Vue and more. Jest provides snapshot testing, parallel execution, built-in mocking, and
  code coverage out of the box.
type: Index
image: https://jestjs.io/img/jest.png
tags:
- JavaScript
- Mocking
- Snapshot Testing
- Testing
- Unit Testing
url: https://raw.githubusercontent.com/api-evangelist/jest/refs/heads/main/apis.yml
created: '2024-01-01'
modified: '2026-03-16'
specificationVersion: '0.19'
apis:
- aid: jest:jest-core-api
  name: Jest Core API
  description: Core testing framework API for writing and running tests, including globals, expect assertions, mock functions,
    and configuration options.
  humanURL: https://jestjs.io/docs/api
  tags:
  - Assertions
  - Mocking
  - Testing
  properties:
  - type: Documentation
    url: https://jestjs.io/docs/getting-started
  - type: Reference
    url: https://jestjs.io/docs/api
- aid: jest:jest-cli
  name: Jest CLI
  description: Command-line interface for running Jest tests with various options.
  humanURL: https://jestjs.io/docs/cli
  tags:
  - CLI
  - Command Line
  properties:
  - type: Documentation
    url: https://jestjs.io/docs/cli
- aid: jest:jest-configuration
  name: Jest Configuration API
  description: Programmatic configuration options for customizing Jest behavior.
  humanURL: https://jestjs.io/docs/configuration
  tags:
  - Configuration
  - Setup
  properties:
  - type: Documentation
    url: https://jestjs.io/docs/configuration
common:
- type: Website
  url: https://jestjs.io
- type: Documentation
  url: https://jestjs.io/docs/getting-started
- type: Blog
  url: https://jestjs.io/blog
- type: GitHubOrganization
  url: https://github.com/jestjs
- type: Community
  url: https://discord.gg/j6FKKQQrW9
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com