Google Testing Blog: August 2016

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Hackable Projects - Pillar 1: Code Health

Thursday, August 18, 2016

By: Patrik Höglund IntroductionAccording to Wiktionary Adjective
hackable ‎(comparative more hackable, superlative most hackable)

(computing) That can be hacked or broken into; insecure, vulnerable.
That lends itself to hacking (technical tinkering and modification); moddable.

mainfocus for SETIs at Google In Practice

Developing is easy

Fast build

Good, fast tests

Clean code

Easy running + debugging

One-click rollbacks

Broken HEAD (tip-of-tree)

Slow presubmit (i.e. checks running before submit)

Builds take hours

Incremental build/link > 30s

Flakytests

Can’t attach debugger

Logs full of uninteresting information

The Three Pillars of Hackability

Pillar 1: Code Health “I found Rome a city of bricks, and left it a city of marble.”
-- Augustus Testsevenbe a hindrance

Figure 1: the Testing Pyramid. Readable Code and Code Reviewstyle guidecode reviewGerritSOLID principles Presubmit Testing and Lintgofmtclang-formatexample from Chrome$ git cl upload Error: the media/audio directory requires formatting. Please run git cl format media/audio.Enforce it with a checkAdd lintingVHDLFPGA Single Branch And Reducing Riskfeature flagsThisarticle Loose Coupling and Testabilitychat Aggressively Reduce Technical Debtdependency enforcement (Continue to Pillar 2: Debuggability)

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