chetanmeh commented on issue #3243: Collect test code coverage data URL: https://github.com/apache/incubator-openwhisk/issues/3243#issuecomment-363160950 ### Code coverage and Docker execution For capturing coverage stats for tests which hit the controller and invoker docker containers we would need following changes 1. Include the scoverage jars in the docker container and launch script classpath 2. Include the instrumented jars for controller and invoker and ensure that they come before in classpath 3. Provide a writable mount to `<openwhisk>/core/controller/build/scoverage` directory (+ for invoker) such that measurement files can be written. The volume mapping should point to different directory on filesystem as scoverage uses thread id for making measurement file. As the measurement is being written from threads in different vm the ids may collide. This can possibly be done by producing 2 extra containers which extend the main containers and have been customized for coverage. Further the ansible scripts would need to pick these containers
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