The Importance of Unit Testing

Out of all the different types of test automation that you could do, what do you find yourself recommending a lot? Quite honestly, I would say I also keep pushing unit testing because to me, that is the foundation of automated testing. It's like building your house and then shaking it to see if it doesn't fall apart. That would be the integration test. No one does that in software. So don't forget about these things.

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René is a Principal Cloud Solution Architect - Engineering (CSA-E) and technical lead for Azure DevOps and software development processes at Microsoft in Germany. In his role as CE, he helps customers adopt good development practices and processes as well as understanding the principles of DevOps. As an Azure DevOps expert, René trains customers in using the DevOps toolchain and shows ways to integrate Azure DevOps into existing heterogeneous environments.

Before his start at Microsoft in late 2008, René had been working as a developer of enterprise logistic systems for almost ten years.

Topics of Discussion:

[3:05] René’s start of his career and how he got into programming.

[5:20] How does René define the real difference between the 1990s waterfall mindset and the agile mindset, just from a process perspective?

[7:49] How DevOps is an evolution of Agile.

[9:13] What is DevOps all about?

[11:29] The three ways of DevOps as described in The Phoenix Project:

Maximize flow or system thinking.
Amplify feedback loops.
The culture of continuous experimentation and learning.

[16:52] The importance of creating a natural cadence in your iteration.

[17:16] What’s the best way to standardize across different teams?

[21:13] Choosing the right tool at the right point in time.

[24:10] What type of test automation does René find himself recommending?

[27:50] To René, the most important thing is to get your code right. In addition, unit testing also has a very positive impact on your architecture and design because you're building a testable product.

[28:50] What is Rene’s view on open telemetry in a DevOps mindset?

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