Fail build when coverage is too low

Minimum coverage set to 60%. It works by parsing aggregated Jacoco
report as oposed to jacoco:check goal which checks coverage at most
on submodule level.

Change-Id: Ie6f50ce9b2f15e62ad84480611897a98321a7af2
Issue-ID: DCAEGEN2-681
Signed-off-by: Piotr Jaszczyk <piotr.jaszczyk@nokia.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/hv-collector-coverage/check-coverage.sh b/hv-collector-coverage/check-coverage.sh
new file mode 100755
index 00000000..7a2f4c6c
--- /dev/null
+++ b/hv-collector-coverage/check-coverage.sh
@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+JACOCO_REPORT="$1"
+MIN_COVERAGE_PERCENT="$2"
+
+function coverage_from_report() {
+  local xpath_expr="string(/report/counter[@type='INSTRUCTION']/@$1)"
+  xpath -q -e "$xpath_expr" "$JACOCO_REPORT"
+}
+
+missed=`coverage_from_report missed`
+covered=`coverage_from_report covered`
+total=$(($missed + $covered))
+coverage=$((100 * $covered / $total))
+
+echo "Coverage: $coverage% (covered/total: $covered/$total)"
+
+if [[ $coverage -lt $MIN_COVERAGE_PERCENT ]]; then
+  echo "Coverage is too low. Minimum coverage: $MIN_COVERAGE_PERCENT%"
+  exit 1
+fi
+