In concluding article nosotros own got seen that what the purpose of testing is. Now, inwards this article nosotros volition encounter the possibilities for occurring the defects inwards application or software. Below are the points which tin hold upwardly the possibilities for arise bugs inwards software.
- Misunderstanding inwards Requirement gathering, Design together with Environment
- Error inwards Operating System
- Error inwards Environmental Specifications together with Conditions
- Damaged hardware
- Last infinitesimal bugs
- Invalid Test Data
Even nosotros tin nation that the mortal who are doing testing does non own got plenty cognition for application or he may hold upwardly job wrong method of testing which leads to the failure together with defect volition hold upwardly occurred.
It is also possible that Developer squad own got done wrong coding together with it won’t caught past times tester. May hold upwardly laid for application tin construct wrongly.
Now nosotros tin pick out four scenarios to empathise almost the defect occurrence. Let’s pick out scenario 1, this scenario volition pick out all positive steps Like First footstep is requirement gathering thus blueprint of the application which needs to hold upwardly fit amongst requirements thus side past times side footstep volition hold upwardly construct administration for application. Here Testing together with codding stage came to the picture. Both stage volition piece of work perfectly hither together with all the physical care for together with exam coverage own got been conducted perfectly here. Thus, inwards concluding footstep Application volition piece of work equally expected together with all requirement own got been fulfilled. Here nosotros tin nation that application own got been completed successfully together with customer volition pick out this lead. In real rare example this happens.
Now nosotros volition encounter the scenario 2, In Step 1 nosotros own got done requirement gathering. Here customer needs a Square cast for his product. From Requirement, nosotros own got designed foursquare production which is actual requirement of client. Now that designs own got been shared amongst developer squad but Instead of Square, they own got built rectangle. Here nosotros tin encounter that expected requirement own got been changed inwards footstep 3. Afterwards this production volition overstep on to the testing squad together with they volition postal service the bugs equally requirement own got been changed inwards footstep 3. Now the production volition pick out to a greater extent than fourth dimension to construct perfectly. Testing squad volition postal service bugs for onetime evolution equally good equally novel evolution thus double seek volition hold upwardly logged for edifice a product. This tin hold upwardly a scenario for occurring defects. After completing all physical care for nosotros volition deliver this to our client.
Now nosotros volition encounter the scenario 3, Here inwards footstep 1 requirement gathering own got been done perfectly together with it own got been explained properly to blueprint squad but nonetheless they own got made mistakes inwards design. This blueprint own got been passed to the prepare squad together with they own got built production amongst given design. You tin validate that, if Step ii own got been designed incorrectly the farther steps volition follow the same together with this may touching on to testing stage too. Now testing squad also exam the same production which own got been designed together with developed past times the team. Afterward nosotros volition deliver this to our customer thus he volition give changes, that changes own got been made past times developer squad thus in 1 lawsuit again testing volition hold upwardly required for proper delivery of an application. Here also nosotros tin encounter that double seek own got been logged together with customer satisfaction is non approved. This variety of scenario tin hold upwardly toll effective equally customer volition non give farther payment if he is non satisfied amongst his requirements.
Now nosotros volition encounter the scenario 4, nosotros tin pick out this scenario equally worst equally possible. Because hither requirement is non conveyed properly past times customer or misunderstood past times the squad thus nosotros tin nation that our rootage footstep is completely wrong. If rootage footstep is wrong thus blueprint phase, evolution stage together with fifty-fifty testing stage volition become wrong. Whatever the efforts own got been logged for edifice an application volition hold upwardly failed equally application volition non hold upwardly built equally per customer expectation. We own got delivered the application to our customer together with he got that it is non developed equally per his expectation thus he tin escalate the squad together with nosotros bespeak to construct whole application in 1 lawsuit again amongst all expected status of our client. In this case, customer satisfaction is totally failed which is non skillful for business. Plus seek estimation would hold upwardly double or nosotros tin nation thrice. This scenario is Pb us to the failure.
So hither nosotros tin nation that inwards scenario 1 functional together with non-functional requirement is satisfied properly. In scenario ii defects tin hold upwardly occurred piece edifice the production or evolution stage of product. In scenario three defects tin hold upwardly occurred from blueprint stage exclusively together with inwards scenario four defect tin hold upwardly occurred from requirement phase. To preclude this nosotros tin follow scenario 1 together with scenario 2. Otherwise failure of the production volition occur.