Abstract
Model-driven techniques offer new solutions to support development and verification and validation (V&V) activities of software-intensive systems. As they can reduce costs, and ease the certification process as well, they are attractive also in safety-critical domains. We present an approach for Model-in-the-loop testing within an OMG-based model-driven process, aimed at supporting system V&V activities. The approach is based on the definition of a model of the system environment, named Computation Independent Test (CIT) model. The CIT enables various forms of system test, allowing early detection of design faults. We show the benefits of the approach with reference to a pilot project that is part of a railway interlocking system. The system, required to be CENELEC SIL-4 compliant, has been provided by the Hungarian company Prolan Co. in the context of an industrial-academic partnership.
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Notes
- 1.
CErtification of CRItical Systems, www.cecris-project.eu.
- 2.
MDA (Model-Driven Architecture) is the specific Model-Driven Development (MDD) approach proposed by the OMG standardization organization.
- 3.
MDT (Model-Driven Testing) refers to MDE V&V activities. It is not an OMG standard, but it is based on a UML standard profile, the UML Testing Profile (UTP), which adapts UML as a test specification language. In MDT, test infrastructure, test cases, and test scripts are derived from UTP models through transformations.
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Acknowledgement
This research has been supported by the EU FP7 Programme 2007-2013 under REA grant agreement n. 324334 CECRIS (CErtification of CRItical Systems, www.cecris-project.eu) within the IAPP (Industry Academia Partnerships and Pathways) Marie Curie Action of the People Programme.
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Scippacercola, F., Pietrantuono, R., Russo, S., Zentai, A. (2015). Model-in-the-Loop Testing of a Railway Interlocking System. In: Desfray, P., Filipe, J., Hammoudi, S., Pires, L. (eds) Model-Driven Engineering and Software Development. MODELSWARD 2015. Communications in Computer and Information Science, vol 580. Springer, Cham. https://doi.org/10.1007/978-3-319-27869-8_22
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