tests.ps1 files, you just need to use invoke-pester from the tests folder.
To do that you can dot source the script you need to test. Personally, I prefer to use a tests folder but wherever the test files are, they need to load the code. You can place pester files in the same folder as your source code or you can use a tests folder at the root of the repository. If you have one file per function it mean one pester. One per PowerShell file in your solution. You can virtually run pester in any PowerShell file but by convention, it’s recommended to use a file named 1. Inside the It bloc you need to pass the data as parameters and get their value in parameters variables To display the value in the It description the is needed. When you use -TestCase with a dictionary object, the It block will iterate the object and perform a test for each iteration. Regex comparaison in a multiline text fileĬhecks if the values is null or an empty stringĮnter fullscreen mode Exit fullscreen mode )Ĭase sensitive regex comparaison in a text file Test if the object exist in a psprovider (file, registry. The array/collection must contain the value, like the -contains operator The array/collection must have the specified ammount of vallue Test the type of the value like the -is operator The object must be less or equal than the value The object must be greater or equal than the value The object must be greater than the value Pester can be installed on Windows PowerShell (even on old version) and on PowerShell CoreĬompare the 2 objects in case sensitive mode It’s a Domain Definition Language and a set of tools to run unit and acceptance test.Įven if Pester is now installed by default on Windows 10, it’s better to update it to the latest version (now in 4.8.x, soon in 5.x). Its name is Pester, it’s the ubiquitous test and mock framework for PowerShell. It ensures that section by section codes work as expected. You can build complete solutions with PowerShell.Įven if PowerShell is seen as an Ops tools it follows the same methods and patterns than any other programming language. You can create functions and modules, but not only you can use it as configuration management with DSC and other tools, you can use it in serverless platforms like AWS Lambda or Azure Functions, you can build cloud solutions either on Azure or AWS. It’s not only a sequential programming language it’s also a functional language. When people (at least IT people) thinks about PowerShell, they think about some magic commands and maybe about some scripts and sometime more.
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