Mocha logo

Mocha

Mocha is a feature-rich JavaScript test framework running on Node.js and in the browser, making asynchronous testing simple and fun. Mocha tests run serially, allowing for flexible and accurate reporting, while mapping uncaught exceptions to the correct test cases. Hosted on GitHub.

About

Mocha is a feature-rich JavaScript test framework that runs on Node.js and in the browser, making asynchronous testing simple and fun. It is designed for developers who want to write tests for their JavaScript applications, and is particularly useful for those working with Node.js. With Mocha, developers can write and run tests in a flexible and efficient manner.

Details

Some of the key features of Mocha include:

  • Browser support
  • Simple async support, including promises
  • Test coverage reporting
  • String diff support
  • JavaScript API for running tests
  • Auto-detects and disables coloring for non-TTYs
  • Async test timeout support
  • Test retry support
  • Test-specific timeouts
  • Reports test durations
  • Highlights slow tests
  • File watcher support
  • Global variable leak detection
  • Optionally run tests that match a regexp
  • Auto-exit to prevent “hanging” with an active loop
  • Easily meta-generate suites & test-cases
  • Config file support
  • Node debugger support
  • Node native ES modules support
  • Source-map support
  • Detects multiple calls to done()
  • Use any assertion library you want
  • Extensible reporting, bundled with 9+ reporters
  • Extensible test DSLs

Alternatives to Mocha

Explore 10 alternatives to Mocha→
RequestResponse logo

Make HTTP requests to any endpoint and see the response. It's a simple tool to test your API requests and other endpoints.

FakerAPI logo

Effortlessly generate realistic dummy data to streamline your development and testing process.

Lightspeed logo

Website performance & Core Web Vitals monitoring.

Storybook logo

Storybook is an open source tool for developing UI components in isolation.

Smartlook logo

Smartlook records users on websites and in mobile apps.

Cypress logo

Fast, easy and reliable testing for anything that runs in a browser.

[ WEEKLY_DIGEST ]

New tools in your inbox, every week

A short digest of the best new tools, grouped by category. No spam, unsubscribe anytime.