Is regression testing the same as end-to-end testing?

Page 1

I sr egr essi ont est i ng t hesameas end-t o-endt est i ng?

Whati sr egr essi ont est i ng I ti sa t est i ng met hod wher et he syst em’ sorappl i cat i on’ sper f or mance i sval i dat ed af t eri thasgone t hr ought henecessar ychanges.Thepr ogr ammi ng changesorupdat esar ever i f i ed t oensur et hatt he ex i st i ngcodef unct i onal i t i esar enotcompr omi sedoral t er ed.Regr essi ont est i ngi sgener al l yper f or med whennew f eat ur esar ebei ngadded, abughasbeenf i x edorwhent her ei sasof t war eupdat eorr el ease t hati sgoi ngt ohappen.

Whati sEnd-t o-endt est i ng? I ti sa t est i ng met hod wher ea syst em orappl i cat i on i st est ed t hr oughoutever yst ageoft hesof t war e devel opmentpr ocess,r i ghtf r om t hebegi nni ngt ot heendoft hedevel opmentandt est i ngpr ocess.The f ol l owi ngcomponent sofanappl i cat i onar eassessedusi ngt hi st est i ngmet hod: Thei dent i f i cat i onofi nt egr at i oni ssuesanddependenci es Thepr oduct ’ sf unct i onal i t yandper f or mancei nasi mul at edpost -r el easeenvi r onment .

Di f f er encebet weenRegr essi ont est i ng& end-t o-endt est i ng Regr essi ont est i ng

End-t o-endt est i ng

The f ocus i st o ensur et hat new code

Thef ocusi sont hewor kf l ow

changes have not al t er ed t he ex i st i ng f unct i onal i t i es

Thef l ow oft hebusi nesspr ocessi sver i f i edby

Thef l ow oft hebusi nesspr ocessi sver i f i edby

i nt er f er ewi t ht hef unct i onal i t yoft heol dcode

i nt egr at i onsorsubsyst em

maki ngsur et hatt hesyst em changesdonot

Test i ngi scar r i edouti napr e-pr oduct i on

i dent i f yi ngi ssuest hatar eassoci at edwi t ht he

Thet est i ngi scar r i edouti nar ealdevi ceor

envi r onment

si mul at edpr oduct i onenvi r onmentt hr ough

whi cht heend-userex per i encei smi mi cked

Test sar er undi r ect l yf ol l owi ngar el easeora

Test sar er uncont i nuousl yt hr oughoutt he

Al r eadyex i st i ngt estcasesar er e-ex ecut ed

Testcasesneedt obecr eat ed

pr ogr ammi ngchange

Toknowmor eaboutourser vi ces pl easeemai lusat

i nf o@t est i ngxper t s. com

sof t war edevel opmentpr ocess

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