LoadRunner测试.Net.ppt

AtlantaMercuryUsersGroupHowtoPerformanceTest NETand NETWebServicesFebruary18 2003CalebBillingsleyOrasiSoftware Agenda Introductionto NETHowwill NETImpactTestingMercury NETSupportLoadTestingWindowsFormsIntroductiontoWebServicesLoadTestingWebServiceswith NET NETandMercuryProducts Whatis NET The NETFrameworkisanewcomputingplatformthatsimplifiesapplicationdevelopmentinthehighlydistributedenvironmentoftheInternet Objectivesof NET Toprovideaconsistentobject orientedprogrammingenvironmentwhetherobjectcodeisstoredandexecutedlocally executedlocallybutInternet distributed orexecutedremotely Toprovideacode executionenvironmentthatminimizessoftwaredeploymentandversioningconflicts Toprovideacode executionenvironmentthatguaranteessafeexecutionofcode includingcodecreatedbyanunknownorsemi trustedthirdparty Toprovideacode executionenvironmentthateliminatestheperformanceproblemsofscriptedorinterpretedenvironments Tomakethedeveloperexperienceconsistentacrosswidelyvaryingtypesofapplications suchasWindows basedapplicationsandWeb basedapplications Tobuildallcommunicationonindustrystandardstoensurethatcodebasedonthe NETFrameworkcanintegratewithanyothercode NETFramework Usesof NETApplications WindowsFormsWindowsFormsisthenewplatformforMicrosoftWindowsapplicationdevelopment basedonthe NETFramework Thisframeworkprovidesaclear object oriented extensiblesetofclassesthatenablesyoutodeveloprichWindowsapplications WebServicesWebServicesprovideaneasytouse API thatiswebbasedtoqueryandretrieveinformationsuchasstockquotes airlineschedules weather etc ASP NETASP NETisthenextgenerationofASPapplicationsforMicrosoft Thesinglebiggestadvantageiscompiledvs interpreted Resultingingreaterscalability WebFormsWebFormsareanASP NETtechnologythatyouusetocreateprogrammableWebpages TraditionalApplication CS Web etc WhatDoes NETmeantoTesting NETcreatessomenewchallenges Systemsaremoredistributedthaneverandoftenyoucan tloadtesteverypiece YoumighthavetobuildWebServiceStubsorhaveadeveloperdothistoloadtestanapplication NewcorrelationtechniquesarerequiredforWeb browserbased NETapplicationsGivenhowdistributed NETcanbecome theabilitytoLoadTestindividualpieceswillbeessentialandthatwillrequirethe NETLRAdd inSome NETWebApplicationswillrequireverylittlechangeintechniquestotest HowDoesLoadRunnerSupport NET NETWebappscanbetestedintheNormalWebMannerwithafewextracorrelations ToTest NETapplicationsthataren tbasedonawebpageyouwillneedLoadRunner NETsupport Toinstalltheadd indownloadfrom Mercury s NETWebPage Supported NETEnvironments Includes DataandXMLClasses ADO NET SQL Xpath XML etc FrameworkBaseClasses IO strong netsecurity threading text reflection collections etc CommonLanguageRuntime debug exception typechecking JITcompilers CoreWindowsPlatform WindowsXP NetServer WindowsDataCenter MercuryInteractive ssolutionsprovidesupportforthefollowingconfigurationsforMicrosoft NETPlatform LoadTesting NETWindowsForms StepsforLoadTesting NETApplicationsthatdon thaveWebInterface InstallMSVisualStudio NETbeforeLoadRunnerAdd inInstallLR NETAdd inCreateaNewProjectoftypeAddcodetocall NETApplicationseitherwithGUIorwithoutAddLRtransactionandotherLRstatementsCompileandTestCreateaVuserwithcompiledbinaryandruninController ComponentsofVisualStudio NETVuserProject VuserMenu Init Action EndSections SolutionExplorer DebugOutput AccessingLoadRunner NET AccessingtheLoadRunnerAPI Tips LoadRunnerAPIin NET Youcantypelr Andtheauto completionwillshowyouallthevalidsyntax RememberyoucanrecordusersinVBAusingtheVugenmulti protocoloption Theresultingscriptscouldthenbemovedtoa NETuserwithminimaleffort Exercise1 BuildingyourFirst NETUser InstallLR NETAdd infrom Testing NETWebServices Whatis NETWebServices WhatisaWebService Simplyput aWebserviceisanapplicationthatexposesaprogrammaticinterfaceusingstandard Internet friendlyprotocols Webservicesaredesignedtobeusedbyotherprogramsorapplicationsratherthanbyhumans ProgramsinvokingaWebservicearecalledclients SOAPoverHTTPisthemostcommonlyusedprotocolforinvokingWebservices Source DiagramofClientInvokingWebService Source Sample NETWebService ToviewtheWSDL WebServiceDescriptionLanguage foraWebServicetypeintheURIwitha WSDLattheend Example http localhost Weather Service1 asmx WSDLTotryasampleWebService openawebbrowserandtype http airforceone Duwamish7vb service catalogservice asmx SampleWSDL SampleWebServiceTestPage Testing NETWebServices YoucanrecordWebServicesifyouapplicationcallsthembyusingtheSOAPorWebRecordingProtocol YoucanrecordaWebServicecallbyusingyourWebBrowserYoucanprogrammaticallyLoadTestUsingaLoadRunner NETProjectbyusingtheLoadRunner NETAdd in TestingaWebServicewithLR NETAdd in Steps 1 InstallVisualStudio NET2 InstallLR NETAdd infromwww merc 3 CreateanewprojectthatistypeLoadRunnerVB NET4 AddaWebReferenceto NETProject5 AddCodeinVisualStudio NETtocallWebReference6 RunUser CheckOutputinwindow Extra Lookinsourcecodedirectory WhichfilewillhavetheoutputfromtheVuser 7 Compile puttogetherinaVuserscriptandrunincontroller Step4 AddingaReference Select Project AddWebReference insideVisualStudioPasteintotheAddressField Step4Explanation UsingLR NETAdd intoTestWebServices Step5 AddCodetoScript Inoursamplewewereworkingwithamathservice OpentheSolutionExplorer toolbar Addthefollowingcodeinsidethevuser initsection thesampleshouldoccupyoneline DimwsAsNewLoadRunnerNETClass S gotdotnet samples MathService VSProjectName URI LocatorforService Method Service Step6 RunningyourVuser Select Build BuildSolution fromthemenuRuntheVuserusingthe Vuser RunVuser menuAftertheuserruns youcancheckyouroutputintheVisualStudio NEToutputwindowortheLoadRunnerVugenlogfile TIP WebBased NETRecordingModesinOrderofPreference HTMLModeUserActions firstchoice ExplicitURLs secondchoic