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Topic:5.TestingNeed:5.2.Functional/integrationtestingtool/frameworksforFlex/FlashbasedRichInternetApplications.GiventheemergenceofWeb2.0,developersarepushingthelimitsofwhatbrowserscando.Theoriginalintentofawebbrowserwastodeliverdocumentstoend-users,notapplicationsandthus,protocolsandstandardstomeetthisneedwheredesignedassuch.Request-Responsepatternshavemovedfromfull-uppagerefreshmodelstoincrementalinteractionssimilartothick-clientapplications.Asusersbegintodemandmoreandmorefunctionalitydeliveredviawebbrowsers,newchallengesareemergingfordevelopers.Toaddfurthercomplexity,thereisalackofcommonalitybetweendifferentbrowservendorsandbrowsersarebeingusedinamannerinwhichtheynotoriginallyintendedtodo.Becauseofthis,buildingbrowser-basedapplicationswithFlexisbecomingapopularoptionforRichInternetApplicationdevelopment.RichInternetApplications(RIA)arewebapplicationsthatruninwebbrowsersbutbypassthepagerefreshmodeljustasAJAXdoesbutrequireaFlashruntime.GiventhemarketpenetrationoftheFlashPlayerinmarket-shareleadingbrowsers,thisishighlyavailablefoundationtobuildsolidRIA,especiallyinintranetapplicationswhicharecommonlydeployedwithinNASA.ThebenefitsofusingFlexisthatadevelopercanwriteandtestcodeforoneplatform,theflashruntime,asopposedtoaplethoraofbrowsers/platformswhichincreasecomplexity,implementationtimeanddriveupcost.Aswithmostsoftwaredevelopment,testingapplicationsisveryimportanttoensuresoftwarequalityanduseracceptance.ForFlexbasedapplications,therearetools/frameworksreadilyavailabletodounittesting,buttherearelimitedoptionsfordoingintegrationandfunctionaltesting.ForAJAXbasedRIAapplications,openqa.orgreleasedanexcellentopensourceprojectcalledSelenium.SeleniumallowsQAengineerstotestmoduleswrittenwithAJAXtechnologies.GiventhepopularityoftheFlexapplicationdevelopment,agoodopensourceproducttoperformasimilarfunctionislacking.OneCOTSproductthatexiststodofunctional/applicationtestingisMercuryQuickTestPro.Thisisavaluabletoolbutveryexpensive.Also,thistoolonlyworksinInternetExplorerasitis
