06 Prioritisation of Tests (v2.4)

8/12/2019 06 Prioritisation of Tests (v2.4)

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SIM Group Ltd., SQS Group AG, 2002

ISEB Foundation Certificate in Software Te tin!

"rioriti ation of Te t"rioriti ation of Te t


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"rioriti ation of Te t

In t#i e ion we wi$$In t#i e ion we wi$$

Understand why we need to prioritise testsUnderstand why we need to prioritise tests

Understand how we decide the priority of individual testsUnderstand how we decide the priority of individual tests


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"rioriti ation of te t

It i not po i%$e to te tIt i not po i%$e to te t

e&er't#in!e&er't#in!

Therefore faults will getTherefore faults will getthrough to the live systemthrough to the live system

We must do the best testingWe must do the best testingpossible in the time availablepossible in the time available

This means we mustThis means we must

prioritise and focus testingprioritise and focus testingon the prioritieson the priorities


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A pect to Con ider

Se&erit'Se&erit'

"ro%a%i$it'"ro%a%i$it'

(i i%i$it'(i i%i$it'

"riorit' of )e*uire+ent"riorit' of )e*uire+ent

Cu to+er )e*uire+entCu to+er )e*uire+ent

Fre*uenc' of C#an!eFre*uenc' of C#an!e

(u$nera%i$it' to error (u$nera%i$it' to error

Tec#nica$ critica$it'Tec#nica$ critica$it'

Co+p$e it'Co+p$e it'

)e ource a&ai$a%i$it')e ource a&ai$a%i$it'


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Bu ine Critica$it'

-#at e$e+ent of t#e-#at e$e+ent of t#e

app$ication are e entia$ toapp$ication are e entia$ tot#e ucce of t#et#e ucce of t#eor!ani ationor!ani ation


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Cu to+er factor

/ow &i i%$e wou$d a fai$ure/ow &i i%$e wou$d a fai$ure

%e%e

-#at doe t#e cu to+er-#at doe t#e cu to+er

wantwant


7/8 SIM Group Ltd., SQS Group AG, 2002

Tec#nica$ Factor

/ow co+p$e i it/ow co+p$e i it

/ow $i e$' i an error/ow $i e$' i an error

/ow often doe t#i c#an!e/ow often doe t#i c#an!e


8/8 SIM Group Ltd., SQS Group AG, 2002

"rioriti ation of Te t

Su++ar'Su++ar'

Due to the last minute nature of testing, it is necessary toDue to the last minute nature of testing, it is necessary toprioritise testsprioritise tests

There will never be enough time to complete all testsThere will never be enough time to complete all tests

Therefore those tests that cover those areas deemed mostTherefore those tests that cover those areas deemed mostimportant (to the business, highest risk etc) must be testedimportant (to the business, highest risk etc) must be tested

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06 Prioritisation of Tests (v2.4)