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Master's Dissertation
DOI
https://doi.org/10.11606/D.55.2009.tde-30032010-161638
Document
Author
Full name
Flávio Dusse
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2009
Supervisor
Committee
Maldonado, José Carlos (President)
Fabbri, Sandra Camargo Pinto Ferraz
Masiero, Paulo Cesar
Title in Portuguese
Avaliação de custo e eficácia de métodos e critérios de teste baseado em Máquinas de Estados Finitos
Keywords in Portuguese
Reengenharia
Teste baseado em MEFs
Teste baseado em modelos
Teste de software
Web services
Abstract in Portuguese
MÉTODOS de geração de casos de teste visam a gerar um conjunto de casos de teste com uma boa relação custo/benefício. Critérios de cobertura de teste definem requisitos de teste, os quais um conjunto de teste adequado deve cobrir. Métodos e critérios visam a selecionar casos de teste baseados em especificações, que podem ser descritas por meio de modelos, tais como Máquinas de Estados Finitos (MEF). Existem diversos métodos de geração e critérios de cobertura, diferindo entre si em função das propriedades exigidas da MEF, do custo dos testes gerados e da eficácia na revelação de defeitos. Apesar de pesquisas intensas na definição desses métodos e critérios, são poucas as ferramentas de apoio disponíveis assim como são poucos os relatos de aplicação em termos de custo e eficácia para a definição de estratégias de teste efetivas. Dessa forma, é necessário obter dados reais das vantagens e desvantagens dos métodos e critérios para subsidiar a tomada de decisão no processo de desenvolvimento de software no que tange às atividades de teste e validação. Este trabalho apresenta resultados de experimentos para avaliar o custo e a eficácia de aplicação dos métodos e critérios mais relevantes para subsidiar a definição de estratégias de teste em diversos contextos, como por exemplo, no desenvolvimento de protocolos e de sistemas reativos. Utiliza-se um protótipo desenvolvido a partir de uma reengenharia da ferramenta Plavis/FSM para apoiar os experimentos
Title in English
Evaluate of cost and effectiveness of FSM based testing methods and criteria
Keywords in English
FSM based testing
Model based testing
Reengineering
Software testing
Web services
Abstract in English
TEST case generation methods aim to generate a test suite that offers an acceptable trade-off between cost and avail. Test coverage criteria define testing requirements, which an adequate test suite must fulfill. Methods and criteria help to select test case from specifications, which can be describe as models, for example Finite State Machines (FSM). There are several generation methods and coverage criteria that differ depending on the required properties of the FSM, the cost of generated tests and the effectiveness in revealing faults. In spite of intense researches in the definition of those methods and criteria, there are few available tools to apply them as well as application reports about cost and effectiveness issues to define effective test strategies. Thus, it is necessary to obtain real data of the advantages and disadvantages of the methods and criteria to provide decision-making in the software development process as far in the validation and test activities. This work aimed to lead experiments to evaluate the cost and the effetiveness in applying the most relevant methods and criteria to subsidize test strategies definition in several contexts as the communication protocol development and the reactive systems development. A prototype was developed based on reengineering of the Plavis/FSM tool to support the experiments
 
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dusse.pdf (1.25 Mbytes)
Publishing Date
2010-03-30
 
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