April 2025
Intermediate to advanced
422 pages
10h 39m
Portuguese (Portugal, Brazil)
Content preview from Coloca o Selenium WebDriver em prática com Java
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Capítulo 7. O modelo de objeto de página (POM)
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Um padrão de projeto é uma solução reutilizável para um problema recorrente na engenharia de software. Este capítulo apresenta o Page Object Model (POM), um padrão de projeto popular usado para desenvolver testes do Selenium WebDriver. O uso do POM tem diferentes benefícios, como melhorar a reusabilidade e evitar a duplicação de código. O POM baseia-se na criação de classes de página para modelar a interface de usuário do SUT em um único repositório, que é usado posteriormente a partir da lógica de teste.
Motivação
Alguns dos maiores desafios do desenvolvimento de testes de ponta a ponta com o Selenium WebDriver são a manutenibilidade e a flakiness. Em relação ao primeiro, o problema pode ocorrer durante o desenvolvimento ou a evolução do SUT. As alterações feitas na interface do usuário podem fazer com que os testes de ponta a ponta existentes sejam interrompidos. Os custos de manutenção para corrigir estes testes podem ser relevantes quando se tem uma grande suite de testes em que existe duplicação de código em vários casos de testes (e.g., quando os mesmos localizadores são usados repetidamente em diferentes testes).
Em relação ao flakiness (ou seja, falta de confiabilidade), um teste é flaky quando tem um comportamento inconsistente, ou seja, tanto passa como falha periodicamente sob as mesmas condições (lógica ...
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