Detecting Sudden Variations in Web Apps Code Smells’ Density: A Longitudinal Study
2021
Code smells are considered potentially harmful to software maintenance. Their introduction is dependent on the production of new code or the addition of smelly code produced by another team. Code smells survive until being refactored or the code where they stand is removed. Under normal conditions, we expect code smells density to be relatively stable throughout time. Anomalous (sudden) increases in this density are expected to hurt maintenance costs and the other way round. In the case of sudden increases, especially in pre-release tests in an automation server pipeline, detecting those outlier situations can trigger refactoring actions before releasing the new version.
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