This is an operator that checks for equality. The should command has various operators to test for different kinds of conditions. The should command allows you to pass the result of code and compare it against what you expect that result to be. …a command that provides assertion convenience methods for comparing objects and throwing test failures when test expectations fail. The should command, according to the Pester wiki, is: Pester implements assertions via the should command. Assertion functions allow you to validate various routines in your code to result in a pass/fail scenario. In simplest terms, assertions are a way to "assert" if your code is doing what you think it is. Among other things, Pester has a concept in common with many other testing frameworks called assertions. Things are getting serious for PowerShell "scripters", and some are turning into PowerShell "developers".Īs a result of this shift, we now have Pester, a PowerShell testing framework. PowerShell has taken off not only as a simple scripting language but as a DevOps tool that businesses heavily rely on to deploy and manage production infrastructure. Nowadays, however, things are changing in the DevOps world. Writing good tests nearly doubled development time and this is just a script, right? It's not like it's enterprise-worthy code. People writing scripts (not software) never really needed to spend the time to write tests.
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