Mocking Node.js with Sinon

Creating unit tests is a skill, just like any other part of software development. This course will teach you how to effectively isolate your unit tests with spies, stubs, mocks, and fakes.


Creating unit tests that are independent of external systems can be difficult and intimidating. In this course, Mocking Node.js with Sinon, you’ll learn to use the Sinon library for mocking external dependencies while testing your code. First, you’ll explore why mocking matters. Next, you’ll discover the differences between mocks, stubs, spies, and fakes. Finally, you’ll learn how to use a mock in your unit tests. When you’re finished with this course, you’ll have the skills and knowledge of using mocks needed to write unit tests isolated from external dependencies.

• Course Overview 1min
• Spying on Functions 33mins
• Replacing Functions with Stubs 21mins
• Simplifying with Fakes 14mins
• Using Mocks to Isolate Code 15mins