Load testing with vs 2013
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The document is a comprehensive guide on load testing using Visual Studio, covering concepts, methodologies, and step-by-step procedures for creating performance tests for both web applications and SOAP web services. It explains the difference between load testing and performance testing, and highlights essential guidelines and resources needed for conducting effective load tests. Additionally, it provides detailed instructions for setting up load tests, recording HTTP requests, and generating reports from the test results.
Load testing with vs 2013
- 1. HTTP://TESTINGTOOLSTECNIQUES.BLOGSPOT.COM/ FAHAD SHEIKH 0 0 LOAD TESTING WITH VISUAL STUDIO Fahad Sheikh [email protected] http://testingtoolstecniques.blogspot.com/
- 3. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ Table of Contents Chapter 1: Introduction.......................................................................................................................2 Load testing introduction ................................................................................................................2 Difference Betweenload and performance test................................................................................3 Performance testing:.................................................................................................................3 Load Testing:..............................................................................................................................3 Process of Creating load Test in Visual Studio...................................................................................3 Guidelines for a Good load test........................................................................................................4 Resources required for load testing With VSTS. ................................................................................4 Chapter 2: Creating Web Application Performance Test........................................................................4 Creating a Load Test Project ............................................................................................................5 Creating a Performance Test Using Recorder....................................................................................6 Parameterize recorded script...........................................................................................................8 Chapter 3: Load Testing Soap Web service.........................................................................................11 Creating a Load Test Project ..........................................................................................................11 Creating a Performance Test Using Recorder..................................................................................12 Parameterize script.......................................................................................................................14 Chapter 3: Creating Load test against Performance test......................................................................16 Add load test................................................................................................................................16 Executingload test........................................................................................................................20 Generating Report........................................................................................................................21 http://testingtoolstecniques.blogspot.com/ Chapter 1: Introduction Load testing introduction Load testingisthe processof puttingdemandona systemor device andmeasuringitsresponse.Load testingisperformedtodetermine asystem’sbehaviorunderbothnormal andanticipatedpeakload conditions.Ithelpstoidentifythe maximumoperatingcapacityof anapplicationaswell asany bottlenecksanddeterminewhichelementiscausingdegradation.Whenthe loadplacedonthe system israisedbeyondnormal usage patterns,inordertotestthe system'sresponse atunusuallyhighorpeak loads,itis knownas stresstesting.The loadisusuallysogreatthat error conditionsare the expected result,althoughnoclearboundaryexistswhenanactivityceasestobe aloadtest andbecomesa stress test.
- 4. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ Difference Between load and performance test Performance testing: “In the computerindustry,software performance testingisusedtodetermine the speedor effectivenessof acomputer,network,software programordevice.Thisprocesscaninvolve quantitative testsdone ina lab, suchas measuringthe response time orthe numberof MIPS(millionsof instructions persecond) at whicha systemfunctions.Qualitative attributessuchasreliability,scalabilityand interoperabilitymayalsobe evaluated.Performance testingisoftendone inconjunctionwithstress testing.” Load Testing: Load testingismeantto testthe systembyconstantlyandsteadilyincreasingthe loadonthe systemtill the time itreachesthe thresholdlimit.Itisthe simplestformof testingwhichemploysthe use of automationtoolssuchas Visual Studiooranyothergood tools,whichare available.Loadtestingisalso famousbythe nameslike. Difference: Load Testing Performance Testing Load testingismeantto testthe systemby constantlyandsteadilyincreasingthe loadonthe systemtill the time itreachesthe thresholdlimit Performance testingismeasuringquality characteristicsof an applicationlike‘Response Time’,‘Processorutilization‘etc It Is usedtodetermine what’sthe peaklimitof requestunderwhichourapplicationcanwork fine Performance testingisused todetermine performance characteristicse.g.what’sthe response of a certainfunctionality. The goals of loadtestingare to expose the defectsinapplicationrelatedtobufferoverflow, memoryleaksandmismanagementof memory The primarygoal of performance testingincludes establishingthe benchmarkbehaviorof the system.There are a numberof industry- definedbenchmarks,whichshouldbe metduring performance testing. How it’s used: NormallyPerformanceTestandLoad testare performedtogetherbecause whenugenerate ahigh volume loadonthe otherhand u have to measure responsetime processorutilizationandotherquality characteristics Process of Creating load Test in Visual Studio These Diagramwill explainabasicloadtestcreation invisual studio.
- 5. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ Guidelines for a Good load test. Load testshouldsimulate crateristicsof areal useras close aspossible e.g.onsigninwhatcan userdo he can provide validorinvalidbothtype of credentials. Load Testmust be provideda meaningfull data. TestData mustbe createdafter analyzingthe processandall possibletype of datathat can be usedina certainfunctionalitymustbe incorporatedsothatdifferenttypesof behaviorscanbe simulated Resources required for load testing With VSTS. Resourcesrequiredforaloadtestwithvisual studioare Software Requirements: Visual StudioUltimate SQL Server MicrosoftExcel Hardware Requirements: It dependsonloadtest Chapter 2: Creating Web Application Performance Test In thischapterwe will explainhowtocreate a Load testfor a Web Application.Aswe know aweb applicationworksonHTTP requests,basicallyload testisdone againstthese HTTPrequestsitdoesn’t
- 6. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ clickany GUI elementsortypesinfielde.gwhenyouregisteronapplicationitcallssome GET POST methodrecorderrecordsthisGET POSTmethodinsteadof recordingin whichelementsusertypedorhe clicked. Creating a Load Test Project Firststepof creatinga loadtest Project.To-doso performfollowingsteps Steps: 1. OpenVisual StudioInstance 2. Create a NewProjectByclickingNew > Project…. 3. Click“Test”and thenselect“WebPerformance and LoadTest Project”withC#,Provide any Suitable name andclick“OK”.
- 7. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ 4. AfterCreatingProject Creating a Performance Test Using Recorder SecondStepisto create a performance testitcanbe createdusinga recorderor directlycallingHTTP requestshere we will recordHTTPrequestsusingrecorder. Steps: 1. To Adda Performance TestLeftClickyourprojectandopenAdd> Web Performance Test. Note:A Web Testwill be automaticallyaddedandyoucanalsorename that if desired 2. Nowto Start RecorderClickRecordiconOn Visual StudioItwill startrecorderinIE.
- 8. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ 3. PerformyouStepsandrecorderwill automaticallyrecordHTTPRequest Here I am Performing Open login.live.com/ Provide IdandPassword(Note:here Iam usingdummycredentials) ClickSignin U will see some HTTPrequestsrecordedonleftsideof screen AfterRecordingClickSTOP.
- 9. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ 4. Wait forsome time Visual Studiowill be detectingsome dynamicparametersautomaticallye.g SessionID GeneratedScriptwill looklike the below screenshot Parameterize recorded script As we knowinloadTest will simulate multiple Userstherefore insome casesall userneedaunique data settherefore it’sveryimportanttoParameterize load.Tothisfollowingstepsare requiredtobe done 1. IdentifyFields/Parameterse.g.insignin twoparametersmustbe dynamicIDand Password. 2. ExpandYour Requestwhichishavingparameters. As youcan see PasswordandID, These twoParametersare neededtobe dynamic
- 10. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ 3. We require adata source to bindour parameterwithadata in Excel or SQL ServerTable.Todo thisCreate a data source by clickhighlightedIcon. 4. If you wantto fetchdata for parametersfroma CSV file selectCSelse selectDatabase. In case of SQL Servercreate a connectionwithD.Bbyperformingrequiredstepsandatlast selectingtable. 5. Afteraddingdatasource viewwill be like this.
- 11. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ 6. LeftClick Parameterand expandlistandthenselectfieldof table indatasource here Iam selectingfromCSV Expanddata source Expand Table/CSV SelectField
- 12. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ Nowparametervalue will looklike this 7. Save your test Chapter 3: Load Testing Soap Web service In thischapterwe will explainhowtocreate a Load testfor a Web Service.Aswe know aAndroid,Web and differenttype of applicationare builtonSOAPWebservices , basicallyloadtestisdone against these SOAPWebservices requests. Creating a Load Test Project Firststepof creatinga loadtestProject.To-doso performfollowingsteps Steps: 5. OpenVisual StudioInstance 6. Create a NewProjectByclickingNew > Project….
- 13. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ 7. Click“Test”and thenselect“WebPerformance andLoadTest Project”withC#,Provide any Suitable name andclick“OK”. 8. AfterCreatingProject Creating a Performance Test Using Recorder SecondStepisto create a performance testitcanbe createdusinga recorderor directlycallingHTTP requestshere we will recordHTTP requestsusingrecorder. Steps:
- 14. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ 1. To Adda Performance TestLeftClickyourprojectandopenAdd> Web Performance Test. Note:A Web Testwill be automaticallyaddedandyoucanalsorename that if desired 2. If recorderopensclose itotherwise simplyleft clickyourtestandclick“Add WebService Request” . 3. Change local hostpost methodtouserWeb service addressfrompropertiesatleftpane
- 15. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ 4. In BodyPropertiesSelectContentType asText/XMLand in StringBodyprovide yourXML . E.g. Please note use SOAP1.2Requestaswe are using.netframe work4.0 or 4.5 Clickok Parameterize script As we knowinloadTest will simulate multiple Userstherefore insome casesall userneedaunique data settherefore it’sveryimportantto Parameterize Request. Tothisfollowingstepsare requiredtobe done
- 16. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ 1. We require adata source to bindour parameterwithadata in Excel or SQL ServerTable.Todo thisCreate a data source by clickhighlightedIcon. 2. If you wantto fetchdata for parametersfroma CSV file selectCSelse selectDatabase. In case of SQL Servercreate a connectionwithD.Bbyperformingrequiredstepsandatlast selectingtable. 3. Nowopenthe webservice bodyXML andfor parameterizingaparametertype initstag {{DataSource.Name of CSVfile .FieldName}} e.g. {{DataSource1.test#csv.ID}} Thisway parameterize all requiredparametersof webservice.
- 17. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ Chapter 3: Creating Load test against Performance test Add load test Nowaftercreatinga performance testyouneedtocreate a loadtestagainstit.To do so perform followingsteps. Steps: 1. Leftclickprojectand open 2. A windowwill openclicknext
- 18. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ Name yourscenario, SelectThinktime andclickNext SelectUserscountas per yourrequirementandtestmachine specifications.
- 20. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ Addyour Performance TestByclicking addwhichwouldbe includedinLoadtest
- 21. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ SelectYourtest In thiswayconfigure yourloadtestand continue Executing load test. AfterDoingAll configurationssimplystartLoadtest
- 22. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ Whenloadtestwill startfollowinggraphswillbe shown Generating Reporti There are differentwaysof generatingaloadtestreport one isto automaticallycreatingreport using excel andsecondone ispreparingreportyourself-havingonlyrequireddatawhatI normallyrequire is response time anditsgraphsI simplymake reportlike the one mentionedbelowinemail formbutit dependsonneed.
- 23. Fahad Shaikh http://testingtoolstecniques.blogspot.com/ References: http://testingtoolstecniques.blogspot.com/ i You can followmy posts on http://testingtoolstecniques.blogspot.com/