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DevOps for Developers by Michael Hüttermann

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CHAPTER10

Specification by Example

48% of devops are automate their test. 12% are test their automation. 3% are do both.

—DevOps Borat1

One of the fundamental principles of DevOps is that any build that successfully passes the gauntlet of automated checks can potentially be delivered into production. Checks can specifically verify whether any new or updated code broke any existing feature. In other words, they guard against regression failures. It is for this reason that automated testing plays such a vital role in the DevOps process.

However, there is much more to automated testing than just running a set of unit tests on a build server. It is not enough to simply have a suite of automated tests: if you intend to automatically deliver a ...

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