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| Type | Conference or Workshop Paper |
| Scope | Discipline-based scholarship |
| Published in Proceedings | Yes |
| Title | Visualizing code and coverage changes for code review |
| Organization Unit | |
| Authors |
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| Presentation Type | paper |
| Item Subtype | Original Work |
| Refereed | Yes |
| Status | Published in final form |
| Language |
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| ISBN | 9781450342186 |
| Page Range | 1038 - 1041 |
| Event Title | FSE 2016: 24th ACM SIGSOFT International Symposium on Foundations of Software Engineering |
| Event Type | conference |
| Event Location | Seattle, WA, USA |
| Event Start Date | December 13 - 2016 |
| Event End Date | December 18 - 2016 |
| Place of Publication | New York, New York, USA |
| Publisher | ACM Press |
| Abstract Text | One of the tasks of reviewers is to verify that code modifications are well tested. However, current tools offer little support in understanding precisely how changes to the code relate to changes to the tests. In particular, it is hard to see whether (modified) test code covers the changed code. To mitigate this problem, we developed Operias, a tool that provides a combined visualization of fine-grained source code differences and coverage impact. Operias works both as a stand-alone tool on specific project versions and as a service hooked to GitHub. In the latter case, it provides automated reports for each new pull request, which reviewers can use to assess the code contribution. Operias works for any Java project that works with maven and its standard Cobertura coverage plugin. We present how Operias could be used to identify test-related problems in real-world pull requests. Operias is open source and available on GitHub with a demo video: https://github.com/SERG-Delft/operias |
| Digital Object Identifier | 10.1145/2950290.2983929 |
| Other Identification Number | merlin-id:20273 |
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