Write-Host "Testing Domain $($myDomain. All Pester test files needs at least one Describe-block.
#Powershell pester examples code
Note This is a five-part series that includes the. To get started with unit testing PowerShell code using the Pester-module, you need to be familiar with three keywords/commands: Describe: Defines a group of tests. It’s Dave Wyatt himself, a Cloud and Datacenter MVP. This week we are honored to have one of the authors of Pester here with us on the Hey, Scripting Guys Blog. $GlobalCatalogServers = (Get-ADForest).GlobalCatalogs Summary: Guest blogger, Dave Wyatt introduces a new test framework for PowerShell called Pester. $DomainControllers = $myDomain.ReplicaDirectoryServers #requires -Module ActiveDirectory, DNSClient
Or, here’s a simple Pester file for testing Active Directory and my domain controllers. Although with Pester I can test for more intangible items like free disk space or free memory. Depending on what you are testing, if you configured the server with DSC, you have similar testing options. Testing server infrastructure with Pester (Image Credit: Jeff Hicks)Īnd, of course, I could build a response script to take remedial action for failures. I’ve hard coded the input values, but you could just as easily input them from an external source such as XML. It "should have Hyper-V Feature installed" -session $ps | Should Be $True It’s not that difficult to write a test that says “the DNS service should be running.” Here’s a simple Pester test to validate the state of my primary Hyper-V server. The centerpiece of Pester is a logical test of “If some condition meets some test it should be some value”. Perhaps that status of a critical server. A traditional Pester test (Image Credit: Jeff Hicks)īut there’s no reason we can’t use the Pester logic to test other things.
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