Sinonjs.org
Sinon.JS - Standalone test fakes, spies, stubs and mocks for JavaScript. Works with any unit testing framework.
Sinon.JS offers standalone test spies, stubs, and mocks for JavaScript, making it easy to test your code with any unit testing framework.
Create test spies, stubs, and mocks for JavaScript
Sinon.JS is a handy tool for JavaScript developers who want to test their code more effectively. With Sinon.JS, you can easily create test spies, stubs, and mocks that help you simulate different parts of your application and check how your code behaves in various situations.
You don't need to worry about which testing framework you use—Sinon.JS works with any of them, so you can fit it into your workflow without hassle. Whether you're working alone or as part of a team, Sinon.JS helps you build more reliable and maintainable JavaScript applications by making automated testing simpler and more flexible.
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