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Supporting Modern Code Review

Han, DongGyun; (2019) Supporting Modern Code Review. Doctoral thesis (Ph.D), UCL (University College London). Green open access

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Modern code review is a lightweight and asynchronous process of auditing code changes that is done by a reviewer other than the author of the changes. Code review is widely used in both open source and industrial projects because of its diverse benefits, which include defect identification, code improvement, and knowledge transfer. This thesis presents three research results on code review. First, we conduct a large-scale developer survey. The objective of the survey is to understand how developers conduct code review and what difficulties they face in the process. We also reproduce the survey questions from the previous studies to broaden the base of empirical knowledge in the code review research community. Second, we investigate in depth the coding conventions applied during code review. These coding conventions guide developers to write source code in a consistent format. We determine how many coding convention violations are introduced, removed, and addressed, based on comments left by reviewers. The results show that developers put a great deal of effort into checking for convention violations, although various convention checking tools are available. Third, we propose a technique that automatically recommends related code review requests. When a new patch is submitted for code review, our technique recommends previous code review requests that contain a patch similar to the new one. Developers can locate meaningful information and development context from our recommendations. With two empirical studies and an automation technique for recommending related code reviews, this thesis broadens the empirical knowledge base for code review practitioners and provides a useful approach that supports developers in streamlining their review efforts.

Type: Thesis (Doctoral)
Qualification: Ph.D
Title: Supporting Modern Code Review
Event: UCL (University College London)
Open access status: An open access version is available from UCL Discovery
Language: English
Additional information: Copyright © The Author 2019. Original content in this thesis is licensed under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0) Licence (https://creativecommons.org/licenses/by/4.0/). Any third-party copyright material present remains the property of its respective owner(s) and is licensed under its existing terms. Access may initially be restricted at the author’s request.
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science
URI: https://discovery.ucl.ac.uk/id/eprint/10087747
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