Unit Testing Essentials for Express API: A Step-by-Step Guide

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  • express-api-unit-test-starter

    Boilerplate express + mongoose API with unit test setup (mocha, chai, supertest, rewire, sinon)

    We'll be using a simple express API throughout this article to demonstrate unit testing. You can find the code on Github.

  • Sinon.JS

    Test spies, stubs and mocks for JavaScript.

    Standalone test spies, stubs and mocks for JavaScript: Sinon

  • Appwrite

    Appwrite - The Open Source Firebase alternative introduces iOS support . Appwrite is an open source backend server that helps you build native iOS applications much faster with realtime APIs for authentication, databases, files storage, cloud functions and much more!

  • mocha

    ☕️ simple, flexible, fun javascript test framework for node.js & the browser

    We are now ready to write some unit tests. We'll be using mocha and chai for our API. Mocha is open-source, can be combined with various assertion libraries, and has great community support. Moreover, it is used by Coursera, Asana, Intuit, and the like.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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