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Integrating the Common Variability Language with Multilanguage Annotations for Web Engineering

Web applications development involves managing a high diversity of files and resources like code, pages or style sheets, implemented in different languages. To deal with the automatic generation of custom-made configurations of web applications, industry usually adopts annotation-based approaches even though the majority of studies encourage the use of composition-based approaches to implement Software Product Lines. Recent work tries to combine both approaches to get the complementary benefits. However, technological companies are reticent to adopt new development paradigms such as feature-oriented programming or aspect-oriented programming.Moreover, it is extremely difficult, or even impossible, to apply these programming models to web applications, mainly because of their multilingual nature, since their development involves multiple types of source code (Java, Groovy, JavaScript), templates (HTML, Markdown, XML), style sheet files (CSS and its variants, such as SCSS), and other files (JSON, YML, shell scripts).We propose to use the Common Variability Language as a composition-based approach and integrate annotations to manage fine grained variability of a Software Product Line for web applications.In this paper, we (i) show that existing composition and annotation-based approaches, including some well-known combinations, are not appropriate to model and implement the variability of web applications; and (ii) present a combined approach that effectively integrates annotations into a composition-based approach for web applications. We implement our approach and show its applicability with an industrial real-world system.

Hacia la automatización de pruebas funcionales y de rendimiento en Android con algoritmos basados en búsqueda

Actualmente existen millones de aplicaciones para smartphone que deben ejecutarse correctamente en entornos software, hardware y de conectividad muy variados y cambiantes. El testing de dichas aplicaciones es por tanto un reto importante, para el que ligeras mejoras de la productividad suponen grandes beneficios para usuarios y desarrolladores. Este artículo presenta una primera aproximación de trabajo en curso para la la automatización de pruebas funcionales y de rendimiento en aplicaciones android usando algoritmos basados en búsqueda. La viabilidad de la propuesta se ha validado aplicándola a dos aplicaciones simples. Generando casos de pruebas que detectan cierres abruptos en la aplicación y maximizan el tiempo de ejecución.