Write the Test First - Robert Prüst on Pester, PSConf, and Learning in Public

Write the Test First - Robert Prüst on Pester, PSConf, and Learning in Public

July 13, 2026 · 56 min · Episode 238

About this episode

Andrew interviews Robert Prüst about Pester, AI-assisted coding, and the importance of community in the PowerShell ecosystem.

Andrew sits down with Robert Prüst, a Netherlands-based Microsoft MVP, to geek out about Pester, AI-assisted coding, and the power of showing your work in the PowerShell community. Robert breaks down how Pester works as a testing framework (unit testing, integration testing, and mocking) and explains why testing is the key to trusting AI-generated code. They also dig into a Visual Studio Code extension Robert built for Azure DevOps, the conference culture around PSConf EU, and why community involvement matters as much as technical skill. The conversation wraps with some honest takes on imposter syndrome, learning in public, and the value of just getting started.Key Takeaways: Pester isn't just for unit testing your functions -- it scales all the way up to testing live infrastructure, validating Azure environments, and serving as the backbone of security tools like Maester. The more you invest in it, the more useful it gets. AI-generated code needs a safety net, and Pester is exactly that. Testing gives sysadmins a way to verify what the code is actually doing, which is especially critical when you didn't write it yourself. Imposter syndrome is almost universal in this community…

People in this episode

Host: Andrew

Guest: Robert Prüst

Topics covered

Keywords

Mentioned in this episode

Organizations: Microsoft, Azure DevOps, PSConf EU, Maester

Places: Netherlands

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