SE-Radio Episode 324: Marc Hoffmann on Code Test Coverage Analysis and Tools

Integration

Integrating code coverage into existing development pipelines is crucial for maintaining software quality. Diomidis Spinellis and Marc Hoffmann discuss how tools like Jenkins and SonarQube can be used to automate this process. Hoffmann highlights the Jenkins plugin for JaCoCo, which provides a timeline for code coverage, allowing developers to track changes over time and adjust their strategies accordingly 1.

For the maven bit, for example, I wouldn't try to always update the check and always adjust the limit to the latest status of your project.

--- Marc Hoffmann

This approach ensures that code coverage remains a dynamic part of the development process, rather than a static metric 2 3.

   

CI Benefits

Continuous integration systems benefit significantly from incorporating code coverage metrics. Diomidis Spinellis explains that these metrics can be set to trigger alerts when coverage falls below a certain threshold, ensuring that software quality is maintained 2. Marc Hoffmann emphasizes the importance of testing exception handling, which is often the least tested part of a system 4.

The problem is the broken error handling in your application.

--- Marc Hoffmann

By focusing on both code coverage and robust error handling, developers can create more reliable software systems 5.