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Automatic Test Data Synthesis using UML Sequence Diagrams Ashalatha Nayak and Debasis Samanta, School of Information Technology, Indian Institute of Technology, Kharagpur, West Bengal, India

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Abstract

Model based testing techniques are used to generate test scenarios from a behavioral description of system under tests. For a large and complex system, there are usually a large number of scenarios and hence a large number of test paths also called test specifications. To automate test execution, each test specification should be augmented with appropriate test input data. In this paper, we propose an approach of synthesizing test data from the information embedded in model elements such as class diagrams, sequence diagrams and OCL constraints. In our approach, we enrich a sequence diagram with attribute and constraint information derived from class diagram and OCL constraints and map it onto a structured composite graph called SCG. The test specifications are then generated from SCG. For each test specification, we follow a constraint solving system to generate test data.

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About the author

		Ashalatha Nayak is an Assistant Professor in Department of Computer Science and Engineering at Manipal Institute of Technology, Manipal, India. She is pursuing her Ph.D. in the School of Information Technology, IIT Kharagpur in the area of Model Based Testing. Her research interests include program analysis and software testing. She obtained her B.Tech. and M.Tech. in Computer Science and Engineering from Mangalore University, Karnataka state, India. She can be reached at asha nayak1@yahoo.com.
		Debasis Samanta received his B. Tech. in Computer Science and Engineering from Calcutta University, M. Tech. in Computer Science and Engineering from Jadavpur University, Ph.D. in Computer Science and Engineering from Indian Institute of Technology, Kharagpur. He is currently an Assistant Professor in the School of Information Technology at the Indian Institute of Technology, Kharagpur. His research interests include biometric system, low power VLSI systems design, human computer interaction, and information system design. He can be reached at debasis.samanta.iitkgp@gmail.com.