Test-Driven Design Insights - 10 Hints You Were Missing | Victor Rentea | Devoxx Ukraine 2023

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Test-Driven Design Insights - 10 Hints You Were Missing | Victor Rentea | Devoxx Ukraine 2023

• no test per class -> (unit != class) -> use social unit
• use object mother pattern ( valid data, persona data) each test should tweak mock roles, not object
• external dependency ( library, external api) isolate by wrapper (library) or adapter (external api)
• call inner method case split class or social unit test
• big class (한 클래스 내에서 관심이 서로 다른 여러 메소드 호출, 로직이 있는 경우) 테스트 클래스를 분리 XX-homeTest , XX-companyTest
• mock roles, not object
• change immutable object to mutable parameters

reference : https://www.youtube.com/watch?v=Q_cAeQ0dR_I