高质量需求管理Requirement Matrix.ppt

RequirementMatrixConceptsandImplementation,AnEnd-to-endParadigminBuildingQualityApplicationsBronnieFTsebronnie.sg,立方体科技,Agenda,SessionI1RMbasicconcepts2Keyfeatures3PrecedencehighprioritytasksshouldbeexecutedinpreferenceHighprioritytasksincludethosenotcompletedatthetimetheservicehadanunscheduledbreakTasksarerecordedinadatabasetable,Agenda,SessionI1RMbasicconcepts2Keyfeatures3Precedence&cascadeSessionII4ImplementsandImplementations5RMengine6CodegenerationSessionIII7Automatedtesting,UseMSExcelspreadsheetasmediumwithdataelementsincolumnsandtestcasesinrows,AutomatedUnitTest,UsePatterntoproduceTestDataScript,GenerateTestDatainstantiatingallcombinations*,Specifywatchresult,*Experiencewillshowthatonlyboundarycasesneededfordatawithrangedvalues,Filetestresult,CapturethetestspecificationandresulttogivetotaltraceabilityForgeneralreviewandanalysis,developmentsign-off,regressiontestbenchmarking,etc,IncrementaltesteffortoncomplexrequirementisfairlylinearvsgeometricinthetraditionalmanualtestmethodGivesgenerally4:1(orbetter)ratioonDevelopment:UnitTesteffort,Unitundertest,TestHarness:1BringinUnitundertest2CreateDataobjects3Drivetestdatabyrow4Collectandinsertbackwatchresult5Timestampingforperformanceanalysis,SpecifyUnitundertest,DataelementsincolumnsTestcasesinrows,Agenda,SessionI1RMbasicconcepts2Keyfeatures3Precedence&cascadeSessionII4ImplementsandImplementations5RMengine6CodegenerationSessionIII7Automatedtesting8Wellknownlocationparadigm,HolonX,HolonY,HolonZ,WellKnownLocationParadigm,HolonA,inWellKnownLocation,HolonP,HolonB,HolonQ,DataObject,DataObjects,Unitundertest,TestHarness:1BringinUnitundertest2CreateDataobjects3Drivetestdatabyrow4Collectandinsertbackwatchresult5Timestampingforperformanceanalysis,1,6,2,3,4,5,DataelementsincolumnsTestcasesinrows,EncouragesclearalgorithmanddataaccessseparationIncreasesreusability:holonsrelevanttobothonlineandbatchtypeapplicationsAdvanceIncidentDiagnosticcapabilityenablerProductisationBestPracticeTotalcostbenefits,Agenda,SessionI1RMbasicconcepts2Keyfeatures3Precedence&cascadeSessionII4ImplementsandImplementations5RMengine6CodegenerationSessionIII7Automatedtesting8Wellknownlocationparadigm9Qualitycost,TheBIGQualityQuestion:Whatis0.9999500?,0.951227046271588representingthat,When500holonseachachieving99.99%correctness,thequalityofthiscollectionisonly95.12%Theissueisprimarilyontestcoverage,specifically,atthefoundationalUnitTeststageHowcomplexaQualitysystemcanbeconstructedateffectivecost?HowcanacomplexQualitysystembeconstructedateffectivecost?Bydeployinganefficienttestprocesswhichtakeslessefforttoattainbettercoverage,10,100,1,000,10,000,100,000,Rollout,Test,Development,Design,Requirement,Costtoremove“bug”(notethenonlinearscale),LifeCycleStagewhen“bug”found,QualityCost,BugsareveryexpensiveobjectsThelaterintheLifeCycleStagewhenoneisfoundthecostlieritwillbeThecostillustrationdoesnotincludecostofconsequentialdamages,Gettherequirementright,firsttime,ontime,everytime,tocurtailcost,RequirementMatrixConcepts&Implementation,BuildingQualityApplicationsQuestions?Thoughtstoshare?,SessionI1RMbasicconcepts2Keyfeatures3Precedence&