blob: 8fa979fcd3da5bd09ccaca294102e851105dfe72 [file] [log] [blame]
# Usage
# COVERAGE_CPUS=32 tools/ [/path/to/report-directory/]
# COVERAGE_CPUS defaults to 2, and the default destination is a temp
# dir.
genhtml=$(which genhtml)
if [[ -z "${genhtml}" ]]; then
echo "Install 'genhtml' (contained in the 'lcov' package)"
exit 1
if [[ -z "${destdir}" ]]; then
destdir=$(mktemp -d /tmp/gerritcov.XXXXXX)
echo "Running 'bazel coverage'; this may take a while"
# coverage is expensive to run; use --jobs=2 to avoid overloading the
# machine.
bazel coverage -k --jobs=${COVERAGE_CPUS:-2} -- ... -//gerrit-common:auto_value_tests
# The coverage data contains filenames relative to the Java root, and
# genhtml has no logic to search these elsewhere. Workaround this
# limitation by running genhtml in a directory with the files in the
# right place. Also -inexplicably- genhtml wants to have the source
# files relative to the output directory.
mkdir -p ${destdir}/
cp -a */src/{main,test}/java/* ${destdir}/
base=$(bazel info bazel-testlogs)
for f in $(find ${base} -name 'coverage.dat') ; do
cp $f ${destdir}/$(echo $f| sed "s|${base}/||" | sed "s|/|_|g")
cd ${destdir}
find -name '*coverage.dat' -size 0 -delete
genhtml -o . --ignore-errors source *coverage.dat
echo "coverage report at file://${destdir}/index.html"