The function I wrote has a Path parameter. It would be nice at some point to modify the function to be able to handle both XML formats. Because it is based on PowerShell, you can use all of the goodness of PowerShell to call systems via either built-in. It follows an English language way of describing assertions. I wrote my function to recreate Pester results using the JunitXML format. Pester is a PowerShell based testing framework which has a very elegant syntax for setting up tests and asserting the results. Are you curious how I did this? If you want to try your hand at the challenge first, stop reading now. I have added a metadata header, but otherwise I think this is a pretty good recreation.
The challenge was to write a PowerShell command that could take the XML file and recreate this output as much as possible.
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Invoke-Pester C:\scripts\1 -OutputFile d:\temp\results.xml -OutputFormat JUnitXml tests using Pester and PowerShell Running tests in your Azure DevOps pipeline When writing software these days, it is common to also write tests.
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If you are an owner of a PowerShell module with full unit tests and code coverage, then I hope I hope you found this post useful.Manage and Report Active Directory, Exchange and Microsoft 365 with Some extra quirks had to be addressed in my other repositories MarkdownPS and SemVerPS. From my experience, the InModuleScope adaptations were the hardest ones to figure out. Overall, I feel that Pester has improved and that this was a step to the right direction but it needs getting used to it. I expect that in the next version I’ll get a similar error with the This whole Legacy-parameter set is deprecated that `Invoke-Pester throws when not using the configuration variable with legacy options. The actual implementation of It is riddled with input validation, testing the framework state, skipping tests, making them pending and so on, but the basic idea is still the same.
It hosts a single test and prevents any failed test from failing the whole suite. What I didn’t do is adapt all Describe and It blocks and declare the name properly using the -Name parameter. The Test-Case function is roughly equivalent to the It function of Pester. Verbosity = "Detailed" # If you want full log uncomment #$="Diagnostic" # Activate code coverage if ( $CodeCoverage ) Final thoughts OutputPath = $outputFile $pesterConfiguration. OutputFormat = "NUnitXml" $pesterConfiguration. Pester will soon be integrated into PowerShell 5.0, at which point there is no longer any excuse. It allows robust and flexible means of testing PowerShell code, just as NUnit and similar tools do for compiled. ExcludeTag = $ExcludeTag $pesterConfiguration. Pester is a community-driven BDD Unit Test framework for PowerShell. # $pesterConfiguration = New-PesterConfiguration $pesterConfiguration. The cmdlet’s documentation page provides an explanation for all options but for some it is not clear what they really do.
The main difference is that with version 5, the cmdlet is driven by a configuration variable that is initialized by the New-PesterConfiguration cmdlet. Basic execution still works but when the cmdlet is integrated in a CI pipeline like I do in the repository with the CI\Invoke-Pester.ps1, then you probably need to use some of the advanced functionality. The Invoke-Pester cmdlet has many changes when used in an “advanced” mode. Keep in mind that the extracts are relevant to the repository. To help showcase the requires changes, I’ll provide the relevant extracts from the V4 and V5. Soon, it became clear to me that that I would have to make significant changes which meant that I had to work on my PowerShellTemplate repository, where advanced Pester test cases are also covered.Īll the changes are available in this pull request and in the following sections I’ll focus on the major adaptations required. NET objects, and you can’t mock those method calls. Unfortunately, several of the functions call methods of. You want to use Pester, a unit testing framework for PowerShell, to create unit tests for those functions. It turns out that there has been a new version (v5) of Pester which broke compatibility compared with the previous version (v4). You have written several functions in a PowerShell script or module. I’ve not been hands on for a while and it took me some time to figure out that the tests were failing and why. Recently somebody submitted a pull request in my SemVerPS which failed with the Appveyor’s CI pipeline.
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