A tool for domain-independent model mutation

Pablo Gómez-Abajo, Esther Guerra, Juan de Lara, Mercedes G. Merayo
<span title="">2018</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/hq6x4whtd5hhlhsxzculyeamey" style="color: black;">Science of Computer Programming</a> </i> &nbsp;
Mutation is a systematic technique to create variants of a seed artefact by means of mutation operators. It has many applications in computer science, like software testing, automatic exercise generation and design space exploration. Typically, mutation frameworks are developed ad-hoc by implementing mutation operators and their application strategies from scratch, using general-purpose programming languages. However, this is costly and error-prone. To improve this situation, we propose Wodel:
more &raquo; ... domain-specific language and tool for model-based mutation that is independent of the domain metamodel. Wodel enables the rapid development and application of model mutations. It provides built-in advanced functionalities like automatic generation of seed models, and static and dynamic metrics of operator coverage and applicability. It offers extension points, e.g., to post-process mutants and describe domain-specific equivalence criteria. As an example, we illustrate the usage of Wodel for the mutation of security policies, and present an empirical evaluation of its expressiveness.
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