Using Test Case Inheritance To Test Source Code Polymorphism

Definition:

• Developers may implement inheritance in test cases to test source code polymorphism so that code duplication of common test methods can be reduced (i.e., following the DRY principle – “Don’t Repeat Yourself”). However, sometimes the unnecessary inheritance relationship in test cases may increase the difficulty of test maintenance and make test evolution more error-prone.

Code Example:

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References:

Quality attributes

• - Code Example

• - Cause and Effect

• - Frequency

• - Refactoring

• Revisiting Test Impact Analysis in Continuous Testing From the Perspective of Code Dependencies