Testing PowerShell code with Pester

Michael Levan's blog post from August 26, 2020, emphasizes the importance of testing in scripting and automation, particularly through the use of Pester, a popular testing framework for PowerShell. The post details the process of installing Pester and provides a step-by-step guide to creating and running tests using this framework, highlighting the significance of practices like unit testing and test-driven development. Levan illustrates how to create a simple PowerShell function and test it with Pester in Visual Studio Code, explaining key concepts such as Describe, Context, and It blocks within Pester tests. The article concludes with a reminder of the changing nature of code over time and the risks associated with untested code, encouraging readers to integrate testing into their development workflow.