Advanced Unit Testing in .NET API

Revamp Your .NET API Testing Game with Advanced Unit Testing Techniques

Paul Ar
6 min readApr 27, 2023

Debugging is like being a detective in a crime movie where you’re also the murderer.” — Filipe Fortes

Unit tests: you’ve heard of them, you know they’re important, but let’s be honest, they can be about as exciting as watching paint dry. But fear not, my fellow developers! Writing unit tests doesn’t have to be a snooze-fest. In fact, unit tests can be the superhero that saves your code from the clutches of bugs and ensures its reliability for years to come.

In this article, we’ll explore the world of advanced unit testing using xUnit in .NET API development, specifically in controllers, services, and repositories. We’ll walk through a real-world example of how to create a Todo API project from scratch and use xUnit and Moq to write comprehensive and effective unit tests. So grab a cup of coffee, sit back, and get ready to take your unit testing game to the next level!

Setting Up the Project

Before we dive into advanced unit testing techniques, let’s set up our project. We will create a simple Todo application with a controller, service, and repository. Here are the steps to set up the project:

  1. Open Visual Studio 2022 and select…

--

--

Paul Ar

Sr. Software Engg., specialized in .NET, Azure, Angular, React & Flutter. Passionate about crafting robust & scalable solutions.