Testing
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Artículos en la categoría Testing publicados en las Actas de las XVIII Jornadas de Programación y Lenguajes (PROLE 2018).
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Resumen An extension of TRIANGLE testbed with model-based testingPanizo, Laura; Díaz, Almudena; García, Bruno. Actas de las XVIII Jornadas de Programación y Lenguajes (PROLE 2018), 2018-09-17.Traditional testing methods for mobile apps focus on detecting execution errors. However, the evolution of mobile networks towards 5G will require additional support for app developers to ensure also the performance and user-experience. Manual testing in a number of scenarios is not enough to satisfy the expectations of the apps final users. This paper presents the testing framework developed in the TRIANGLE project1 that integrates a complete mobile network testbed and a model-based testing approach, which is based on model checking, to automatically evaluate the apps performance in different network scenarios.Artículo Tool Demonstration: Testing JSON Web Services Using Jsongen (Demostración)Ballesteros González, Ignacio; Bueso de Barrio, Luis Eduardo; Fredlund, Lars-Ake; Mariño, Julio. Actas de las XVIII Jornadas de Programación y Lenguajes (PROLE 2018), 2018-09-17.This article describes a tool, jsongen, which permits testing behavioural aspects of Web Services that communicate using the JSON data format. Provided a characterisation of the JSON data as a JSON schema, the jsongen tool will: (i) automatically derive a QuickCheck (the property-based testing tool) generator which can generate an infinite number of JSON values that validate against the schema, and (ii) provides a generic QuickCheck state machine which is capable of following the (hyper)links documented in the JSON schema, to automatically explore the web service. The default behaviour of the state machine can be easily customized to include web service specific checks. The approach is demonstrated by applying it to the task of testing a simplified web service for banking.Resumen Behaviour Preservation across Code Versions in ErlangInsa, David; Pérez Rubio, Sergio; Sílva, Josep; Tamarit, Salvador. Actas de las XVIII Jornadas de Programación y Lenguajes (PROLE 2018), 2018-09-17.In any alive and non-trivial program, the source code naturally evolves along the lifecycle for many reasons such as the implementation of new functionality, the optimisation of a bottle-neck, the refactoring of an obscure function, etc. Frequently, these code changes affect various different functions and modules, so it can be difficult to know whether the correct behaviour of the previous version has been preserved in the new version. In this paper, we face this problem in the context of the Erlang language, where most developers rely on a previously defined test suite to check the behaviour preservation. We propose an alternative approach to automatically obtain a test suite that specifically focusses on comparing the old and new versions of the code. Our test case generation is directed by a sophisticated combination of several already existing tools such as TypEr, CutEr, and PropEr; and it introduces novel ideas such as allowing the programmer to choose one or more expressions of interest that must preserve the behaviour, or the recording of the sequences of values to which those expressions are evaluated. All the presented work has been implemented in an open-source tool that is publicly available on GitHub.