An approach testing larger industrial systems by Johan Blom

January 21, 2021

A larger complex and protocol intensive telecom application implemented in Erlang, in urgent need for improved testing. This was a motivation and starting point for introducing

Model-Based Testing, an approach to make testing more systematic.

The general idea in Model-Based Testing is to start from a formal model, which captures the intended behaviour of the software system to be tested. On the basis of this model, test cases can be automatically generated in a systematic way. Further, by the use of coverage criteria, we were able to quantify to which degree test cases exercised the tested software, and by the use of a simple version of Erlang to express the formal model we limited the semantic gap between the model and implemementation.

Johan Blom on LinkedIn:

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