Inthispaper,wedemonstrateamethodthatusesemodeltransformationtechnologyofMDAtonerateunittestcasesfromaplatform-independentodelofthesystem.Themethodweproposeisbasedsequencediagrams.Firstwemodelthesequenceagramandthenthismodelisautomaticallyansformedintoageneralunittestcasemodel