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Implementing .NET Tests with xUnit

Explore how to implement backend unit tests using xUnit in a .NET environment. This lesson guides you through setting up a test project, understanding key xUnit attributes, writing simple unit tests for pure functions, and running tests in Visual Studio. Gain practical skills to ensure your backend code is thoroughly tested and reliable.

We are going to implement some backend unit tests on our question controller using a library called xUnit. Before we do this, we are going to become familiar with xUnit by implementing some unit tests on a class with no dependencies.

Getting started with xUnit

We are going to create a new project in our backend Visual Studio solution and start to implement simple unit tests to get comfortable with xUnit, which is the tool we are going to use to run our backend tests.

Steps to implement simple unit tests

So, let's open our backend project and carry out the following steps:

  1. Open up the “Solution Explorer” window, right-click “Solution”, choose “Add”, and then choose “New Project...”.

  2. Select “xUnit Test Project” from ...