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Learn PowerShell Core 6.0

You're reading from Learn PowerShell Core 6.0

Product type Book

Published in Jul 2018

Publisher Packt

ISBN-13 9781788838986

Pages 552 pages

Edition 1st Edition

Languages

Concepts

Functional Programming

Authors (2):

David das Neves

Jan-Hendrik Peters

View More author details

Table of Contents (26) Chapters

Title Page

Dedication

Packt Upsell

Contributors

Preface

1. Current PowerShell Versions

2. PowerShell ISE Versus VSCode

3. Basic Coding Techniques

4. Advanced Coding Techniques

5. Writing Reusable Code

6. Working with Data

7. Understanding PowerShell Security

8. Just Enough Administration

9. DevOps with PowerShell

10. Creating Your Own PowerShell Repository

11. VSCode and PowerShell Release Pipelines

12. PowerShell Desired State Configuration

13. Working with Windows

14. Working with Azure

15. Connecting to Microsoft Online Services

16. Working with SCCM and SQL Server

17. PowerShell Deep Dives

1. PowerShell ISE Hotkeys

2. Assessments

3. Other Books You May Enjoy

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Index

Test-driven development

Test-driven development plays a very important role in DevOps. The Wikipedia definition (https://en.wikipedia.org/wiki/Test-driven_development) of test-driven development is this:

"A software development process that relies on the repetition of a very short development cycle: requirements are turned into very specific test cases, then the software is improved to pass the new tests, only."

By knowing your requirements so well that you can write test cases that accurately reflect those requirements, you automatically write fitting code. This is usually done by developing solid test cases first that test the so-called happy path. All code is then developed so that the test cases pass.

The benefit of this approach is that no unnecessary code is produced, since the code only needs to satisfy the requirements. TDD also leads to modularization of the code. This is something we do in PowerShell anyway and that should by now sound familiar; functions and cmdlets should only have...

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Authors (2)

David das Neves

David das Neves lives with his wife and a small Norwich Terrier close to Dachau, Germany. He was born and grew up in Germany, but his name is Portuguese and means "from the snows.". He is a typical IT guy and started his career as a software engineer. Afterward, he moved into consultancy and customer-facing roles at companies like Microsoft and Google, with the latest stop being Media Markt Saturn. There he works as a Principal Engineer focusing on the Cloud topics, directly reporting to the VP level. Besides his work, he is strongly connected to the community, writes articles, frequently posts on LinkedIn, organizes several User Groups and events in EMEA, and speaks at international conferences. Acknowledgement: I want to thank my wife, who is tolerating my huge time investments towards my work and this book. You are allowing me to do so.

See other products by David das Neves

Jan-Hendrik Peters

Jan-Hendrik Peters is an automation and DevOps professional by day, and a developer for the AutomatedLab framework by night. After working at an international retailer automating distributed POS support systems, he started working as a premier field engineer for Microsoft Germany, where he helps customers automate their infrastructure on-premises and in the cloud. When he is not working, he likes to spend his time brewing his own beer, curing his own bacon, and generally doing manual labor.

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