More Pester Testing .NET with Copilot

Last time, I started exploring how to build a set of Pester tests for code written around the .NET Framework. I am using the Get-OSDetail function that uses raw .NET classes for CIM objects. In the previous article, I shared the process I used to build the Pester test with the assistance of GitHub CoPilot in VS Code. If you read the last article, you know the AI-generated code is far from perfect. You still have to understand how to write a Pester test. However, Copilot accelerated the process and provided a good starting point in many cases.

Organizing the Pester Tests

When we left off, I had a test that would validate the function's design and input. When Copilot created a test for the CimSession parameter, it kindly organized the test in a Context block. I often like to organize my tests in this way. It makes it easier to understand the test's purpose and selectively run tests.

Here's the current version of the Pester test script: