Dependency Injection to Make Your Code Testable [A How-To Guide]

Written by thawkin3 | Published 2020/03/26
Tech Story Tags: javascript | testing | unit-testing | programming | productivity | software-engineering | test-driven-development | web-development

TLDR Dependency Injection to Make Your Code Testable [A How-To Guide] is a simple technique to make your code easier to test. The W3Schools technique is called dependency injection. It lets the developer use a function to pass its dependencies through arguments. The technique is a pretty straightforward yet incredibly powerful technique. Let’s say you want to write a JavaScript function that can parse individual cookie key-value pairs out of the JavaScript code. For example, here is how to do this: getCookie (cookieName)via the TL;DR App

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Written by thawkin3 | Senior software engineer. Continuous learner. Educator.
Published by HackerNoon on 2020/03/26