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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Avaliando suites automaticamente geradas para validação de refatoramentos.

SILVA, Indy Paula Soares Cordeiro e. 30 August 2018 (has links)
Submitted by Lucienne Costa (lucienneferreira@ufcg.edu.br) on 2018-08-30T18:41:36Z No. of bitstreams: 1 INDY PAULA SOARES CORDEIRO E SILVA – DISSERTAÇÃO (PPGCC) 2018.pdf: 1399246 bytes, checksum: ca2d8bfa9c9492d9d2d97a1485afad82 (MD5) / Made available in DSpace on 2018-08-30T18:41:36Z (GMT). No. of bitstreams: 1 INDY PAULA SOARES CORDEIRO E SILVA – DISSERTAÇÃO (PPGCC) 2018.pdf: 1399246 bytes, checksum: ca2d8bfa9c9492d9d2d97a1485afad82 (MD5) Previous issue date: 2018-02-22 / Capes / Refatoramentos normalmente exigem testes de regress˜ao para verificar se as mudanc¸as aplicadas ao c´odigo, preservaram o comportamento original do mesmo. Geralmente, ´e dif´ıcil definir um conjunto de testes que seja efetivo para esta tarefa, uma vez que o refatoramento n˜ao ´e frequentemente aplicado em etapas isoladas. Al´em disso, as edic¸ ˜oes de refatoramento podem ser combinadas com outras edic¸ ˜oes no c´odigo. Nesse sentido, a gerac¸ ˜ao de casos de teste pode contribuir para essa tarefa, analisando sistematicamente o c´odigo e fornecendo uma ampla gama de casos de teste que abordam diferentes construc¸ ˜oes. No entanto, uma s´erie de estudos apresentados na literatura mostram que as ferramentas atuais ainda n˜ao s˜ao eficazes com relac¸ ˜ao `a detecc¸ ˜ao de faltas, particularmente faltas de refatoramento. Com base nisto, apresentamos dois estudos emp´ıricos que aplicaram as ferramentas Randoop e Evosuite para gerar suites de testes de regress˜ao, com foco na edic¸ ˜ao de refatoramento do tipo extract method. Com base nos resultados dos estudos, identificamos fatores que podem influenciar o desempenho das ferramentas para efetivamente testar a edic¸ ˜ao. Para validar nossos achados, apresentamos um conjunto de modelos de regress˜ao que associam a presenc¸a desses fatores `a capacidade do conjunto de testes, de detectar faltas relacionadas `a edic¸ ˜ao de refatoramento. E por fim, apresentamos a REFANALYZER, que ´e uma ferramenta que objetiva ajudar os desenvolvedores a decidir quando confiar em suites geradas automaticamente, para validar refatoramento do tipo extract method. / Refactoring typically require regression testers to verify that the changes applied to the code have preserved the original behavior of the code. Generally, it is difficult to define a set of tests that is effective for this task, since refactoring is not the weight applied in isolated steps. Also, since refactoring issues can be combined with other issues, without code. In this sense, a generation of test cases can contribute to this task by systematically analyzing the code and defining a wide range of test cases that address different constructs. However, a number of studies are not available but are not very effective in detecting faults, particularly refactorings. Based on this, we present two empirical studies that have applied as Randoop and Evosuite tools to generate regression test suites, focusing on the edition of refactoring of the extract method type. Based on the results of the studies, we identified factors that can influence the performance of the tools to effectively test the edition. To validate our findings, we present a set of control models that associate a solution with the ability of the set of tests, of spoken faults related to the refactoring edition. And finally, we present a REFANALYZER, which is a tool that is a solution to what needs to be solved when it is automatically managed, to validate refactoring of the extract method type.

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