#tdd

Now, with over five decades of programming experience, Kent is still pushing boundaries—this time with AI coding tools. In this episode of Pragmatic Engineer, I sit down with him to talk about what’s changed, what hasn’t, and why he’s more excited than ever to code.

Lets walk through a basic node.js program using Test Driven Developement (TDD) and nodeunit. This program asks the user to enter a number, doubles it and returns the result.

"Where Mojo.Test diverges from the usual xUnit-type framework is in support for testing components that depend on asynchronous callbacks. Mojo.Test provides a callback function for results that can be used at the end of a chain of any number of callbacks from the component under test. It also maintains a test timer, which will cause the failure of any test that doesn't report a result within a configurable time limit. "