ci(sonar): add test coverage in sonar cloud

Ref: HICN-749

Change-Id: I1523b548df9254949d164b995d24c0210252809f
Signed-off-by: Mauro Sardara <msardara@cisco.com>

2 files changed, 44 insertions, 3 deletions

diff --git a/cmake b/cmake
-Subproject 859b487ef401b723aeea2800079bc8df14ad715
+Subproject 602f927bc111effa6651dda260cf308ba9345ab
diff --git a/scripts/run-sonar.sh b/scripts/run-sonar.sh
index 38547bbcf..3d386bbfc 100755
--- a/scripts/run-sonar.sh
+++ b/scripts/run-sonar.sh
@@ -22,12 +22,53 @@ cd /workspace
 git config --global --add safe.directory /workspace
 git config --global --add safe.directory /workspace/cmake
 
-export SONAR_BUILD_WRAPPER=$HOME/.sonar/build-wrapper-linux-x86/build-wrapper-linux-x86-64
-make SONAR_OUT_DIR=bw-output build-coverage
+BUILD_PATH=${PWD}/build-debug
+TEST_PATH="${BUILD_PATH}/build-root/bin"
+
+make SONAR_BUILD_WRAPPER=${HOME}/.sonar/build-wrapper-linux-x86/build-wrapper-linux-x86-64 SONAR_OUT_DIR=bw-output BUILD_PATH=${BUILD_PATH} wipe build-coverage
+
+# Run tests to compute test coverage
+pushd ${BUILD_PATH}
+
+declare -a TEST_COMPONENTS=(
+  "libtransport"
+  "lib"
+  "hicn_light"
+  "hicnplugin"
+  "libhicnctrl"
+)
+
+# Save first test executable
+FIRST_COMPONENT="${TEST_COMPONENTS[0]}"
+FIRST_TEST="${TEST_PATH}/${FIRST_COMPONENT}_tests"
+
+# Iterate over all tests: build parameters for next tests and get .profraw data
+extension=".profraw"
+PROFRAW_FILES=""
+REMAINING_TESTS=""
+for component in "${TEST_COMPONENTS[@]}"; do
+  # Build PROFRAW parameters for next command
+  PROFRAW_FILES="${PROFRAW_FILES}${component}${extension} "
+
+  # Save if not first binary
+  [[ "${component}" != "${FIRST_COMPONENT}" ]] && REMAINING_TESTS="${REMAINING_TESTS} -object ${TEST_PATH}/${component}_tests"
+
+  # Generate profraw data
+  LLVM_PROFILE_FILE="${BUILD_PATH}/${component}${extension}" ${TEST_PATH}/${component}_tests
+done
+
+# Merge profraw files
+llvm-profdata-11 merge -sparse ${PROFRAW_FILES} -o hicn.profdata
+
+# Generate coverage report
+llvm-cov-11 show ${FIRST_TEST} ${REMAINING_TESTS} -instr-profile=hicn.profdata --format=text > ${BUILD_PATH}/coverage.txt
+
+popd
 
 $SONAR_SCANNER_HOME/bin/sonar-scanner \
     -Dsonar.organization=$PROJECT_ORGANIZATION \
     -Dsonar.projectKey=$PROJECT_KEY \
     -Dsonar.sources=/workspace \
     -Dsonar.cfamily.build-wrapper-output=bw-output \
-    -Dsonar.host.url=$SONAR_HOST_URL
+    -Dsonar.host.url=$SONAR_HOST_URL \
+    -Dsonar.cfamily.llvm-cov.reportPath=${BUILD_PATH}/coverage.txt