Pester tests can execute any command or script that is accessible to a pester test file. Pester follows a file naming convention for naming tests to be discovered by pester at test time and a simple set of functions that expose a Testing DSL for isolating, running, evaluating and reporting the results of PowerShell commands. Pester provides a framework for running Unit Tests to execute and validate PowerShell commands. Pester is a Behavior-driven development (BDD) based test runner for PowerShell.
I remember attending a meeting on Pester presented by Dave Wyatt back in November 2014 during my first MVP Summit.Ī couple of well known PowerShellers were there: Boe Prox, Emin Atac, Adam Driscoll, Mike Robbins, Fabien Dibot, Jan Egil Ring, Steve Murawski, … It was a great event, great to finally meet all those guys…Īnyway, at the time Pester looked pretty neat but since I only played with it a couple of times and never really invest or commit myself to create tests for each of my scripts or modules.ĭuring the Microsoft MVP Summit 2014 week (Bellevue, WA, USA)Įvening event organized by Dave Wyatt on Pester.
#Powershell pester examples update
Update 5: Updated the code to support functions where there is no parameter declared (Thanks Wojciech Sciesinski !) See the example suggested by (Thank you!) Update 6: It seems that the AST to Help content parameter comparison doesn’t work in PowerShell Core. Using Pester to test your Comment Based Help
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