Lect 09-Testing the system

《Lect 09-Testing the system》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、TestingthesystemToensurethatthesystemdoeswhatthecustomerwantsittodo.2021/10/7兰州大学信息学院2ContentsFunctiontestingPerformancetestingAcceptabletestingSoftwarereliability,availability,andmaintainabilityInstallationtestingTestdocumentationTestingsafety-criticalsystems2021/10/7兰州大学信息学院3Testi

2、ngtheSystemUnittesting–testershaveoverallcontrol.Integratecomponent–collaboratewithothertesters.Testingthesystem–workwiththeentiredevelopmentteam.2021/10/7兰州大学信息学院4§1PrinciplesofsystemtestingToensurethatthesystemdoeswhatthecustomerwantsittodo.FunctionPerformanceReliabilityAvailabili

3、tyMaintainabilityInstallationDocumentAcceptance2021/10/7兰州大学信息学院5PrinciplesofsystemtestingSourcesofsoftwarefaults:Softwarefaultscanbeinsertedinarequirement,design,orcodecomponent,orinthedocumentation,atanypointduringdevelopmentormaintenanceprocess.2021/10/7兰州大学信息学院6Principlesofsyste

4、mtestingMisunderstandingCommunicationmishapPoorlydescriptionMisinterpretationImproperlyusingofsyntaxandsemanticsCorrectionofafaultTheseactionsmayintroducefaults.2021/10/7兰州大学信息学院7PrinciplesofsystemtestingSystemtestingprocess:Functiontesting:doestheintegratedsystemperformaspromisedby

5、therequirementsspecification?Performancetesting:arethenon-functionalrequirementsmet?Acceptancetesting:isthesystemwhatthecustomerexpects?Installationtesting:doesthesystemrunatthecustomersiteproperly?2021/10/7兰州大学信息学院8PrinciplesofsystemtestingStepsinthetestingprocess.SuccessofeachStep

6、dependsonitgoalorobjective.Testedbythedevelopers.Testedmainlybythecustomers.2021/10/7兰州大学信息学院9PrinciplesofsystemtestingProcessobjectivesFunctiontest:checksthattheintegratedsystemperformsitsfunctionsasspecifiedintherequirements.Performancetest:comparestheintegratedcomponentswiththeno

7、nfunctionalsystemrequirements.Suchassecurity,accuracy,speed,reliability,…2021/10/7兰州大学信息学院10PrinciplesofsystemtestingAverifiedsystem:afterfunctiontestandperformancetest,thesystemoperatesthewaytheSRSintend.Avalidatedsystem:comparethesystemwiththecustomer’sexpectationsbyreviewingthere

8、quirementsdefinitio