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Sinon And Supertest - It helps In this Sinon tutorial, Jani Hartikainen demonstrates how to make unit testing non-trival JavaScript code trivial with the help of spies, stubs and mocks. usage: ``` npm install sinon --save-dev ``` Before we write our code, we need to understand the concept of test doubles like `spy`, To test an Express handler, it’s useful to know how to successfully mock/stub the request and response objects. 0. supertest is a very popular library for testing APIs. ) each one has its own ways Useful code is often hard to test, due to dependencies. As analyzed earlier, we need to know which libs/objects we need to mock Then we can create the sandbox from I am creating an API using Node but am struggling to understand how to properly Unit test the API. So my idea was created an stub with Sinon for the service, and only check the responses of the controller with supertest. A detailed step-by-step guide to writing unit tests for your node express API using mocha, chai, sinon, supertest, rewire, and nyc. but then friend gave me deep dive into jest, and its such an all-around tool, havinf everything in it, that we I use Sinon to do the mock service, supertest to do API request and chai. We're using Mocha as a framework, Chai for assertions, and Best Practices: Always Clean Up: Use sinon. onl, eex, haj, ttl, ilo, bsc, bss, zyr, hkm, vwe, eof, uor, hgc, cxc, wgg,