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Currently, make check runs the unit tests and reports pass/fail, but we have no way to guage how much of the code is covered by these tests. gcov provides those statistics on a per source file basis, but requires special CFLAGS and LDFLAGS. Here, we add the --enable-gcov configure option to setup those options correctly. We also add a make target called check-coverage, which runs the unit tests, runs gcov and uploads the data to the codecov.io cloud service for display. Finally, we include a Dockerfile-coverage which creates a container image in alpine linux to run the tests. To create the image: $ docker build \ --build-arg commit=`git rev-parse HEAD` \ --build-arg token=<upload token from codecov.io> \ -t frr-gcov:latest \ -f docker/alpine/Dockerfile-coverage . and to create and upload the report: $ docker run -it --rm frr-gcov:latest Testing done: Created and uploaded a report from my fork using alpine linux 3.7. Non-coverage alpine 3.7 build still works. Issue: https://github.com/FRRouting/frr/issues/2442 Signed-off-by: Arthur Jones <arthur.jones@riverbed.com> |
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