automated testing: devops enabler by alan koch

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NOTES: Simplyput,it’smoreeffec.veandefficientorganiza(onalcoopera(onbetweendevelopmentteamsandITopera.onsteams.Ifonly“doingit”wereassimpleassayingit…


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NOTES: Bringqualityearlierinthedevelopmentprocess

Tes(ng–Althoughtheendusermayneverseeorconsumetestcode,testsshouldbetreatedwithasmuchpriorityasanyproductfeature.Consequently,testsmustbe“bakedin”tosoYwareprojectsfromthebeginning–indeed,inahighly-func.oningCDenvironmentitisnotuncommonforroughlyhalfthecodebasetoconsistofcodefortes.ngthroughouttheproductdevelopmentcycle.Thishasobviousimplica.onsforrequirements,development,tes.ng,QA,andopera.onsgroups.

Automa(on–Whenconsideringprocessandplanning,adequatea_en.onandalignmentaroundtes.ngisacri.calenablerofcon.nuousdeliveryandDevOpsgoals…par.cularlyfromthe“dev”sideofthehouse.

Anobviousimplica(onisthatthesuccessofthisapproachisen(relydependentuponeffec(vecollabora(onandcommunica(onamongthevariousstakeholders,departments,andteamsinvolvedintheproduct–fromconcep(ontoliveproduc(ondelivery.


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NOTES: Whosefaultisit?

•  Thecross-func.onalteammustavoidtheblamegame.•  Thecross-func.onalteamanditsmanagementandexecu.vesmustbuyintoa“failearly,failoYen”

mentality.•  Ensurethatfailuresarecon.nuouslyimproved.•  Enforcingthisintheorganiza.oncarriessignificantimplica.onsforchangemanagementprocesses

andleadership/management.IftheyTwoCorporateEthicsThechoice:

AvoidfailureatallcostVS.

Embracefailureasameanstoimproveprocessesandproduct

Theculturalcomponent•  Whenyourteamknowsitisoktofailthenimprove,especiallyintheearlystagesofaproject,how

willtheyreact?•  Howdoyourteamsviewfailurenow?Howarefailurestreatedinyourorganiza.on?


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NOTES: BuildQualityInPrincipleShiYLeY->CatchDefectssoonerinthelifecycle,makingfixescheaper.BrokenbuildsshouldbefixedimmediatelyLargeinfrequentreleasescreatesanopportunityforescapedbugs.Bugsnotfoundun.ltheyarelive=‘escapeddefects’.FindthemsoonerbylaunchingcodemoreoYenTestersshouldtestfordeploymentdefectswithasmuchcareanda_en.onastheydoforcodedefects(andthisshouldbeautomatedandbuiltintothedeploymenttaskitself).Itshouldbenotedthatdefectsareinherentlyriskytofix,andthisintroduceschanges.Ifitislateinthedeliverycycle,adefectra.oningstrategyisrecommendedtoweighthebusinessvalueofpoten.alinstabilityintheprojectvsfixingthepar.culardefect.Indeed,thisprac.ceiscalleda‘knownshippable’asthedefectwasknownbutwasdeemedtoriskytofixforapar.cularrelease.


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automated testing: devops enabler by alan koch

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