build/hv-collector-coverage/check-coverage.sh

   1 #!/usr/bin/env bash
   2 set -euo pipefail
   3
   4 JACOCO_REPORT="$1"
   5 MIN_COVERAGE_PERCENT="$2"
   6 ROOT_SOURCES_MODULE_POM="$3"
   7 LOG_FILE=target/check-coverage.log
   8
   9 function coverage_from_report() {
  10   local xpath_expr="string(/report/counter[@type='INSTRUCTION']/@$1)"
  11   xmllint --xpath "${xpath_expr}" "$JACOCO_REPORT" 2>> ${LOG_FILE}
  12 }
  13
  14 function check_preconditions() {
  15   local num_deps=$(grep -c 'project\.parent\.groupId' pom.xml)
  16   local num_submodules=$(grep -c '<module>' ${ROOT_SOURCES_MODULE_POM})
  17   local difference=$((${num_submodules}-${num_deps}))
  18
  19   if [[ ${difference} -ne 0 ]]; then
  20     echo "Not all modules are included in the coverage report."
  21     echo "Verify if all submodules of hv-collector-sources module are included as a dependency to hv-collector-coverage module."
  22     echo "Number of missing modules: ${difference}"
  23     exit 1
  24   fi
  25 }
  26
  27 function check_coverage() {
  28   local missed=$(coverage_from_report missed)
  29   local covered=$(coverage_from_report covered)
  30   local total=$(($missed + $covered))
  31   local coverage=$((100 * $covered / $total))
  32
  33   if [[ $(wc -c < ${LOG_FILE}) > 0 ]]; then
  34     echo "Warnings from xpath evaluation:"
  35     cat ${LOG_FILE}
  36     echo
  37   fi
  38
  39   echo "Coverage: $coverage% (covered/total: $covered/$total)"
  40
  41   if [[ ${coverage} -lt ${MIN_COVERAGE_PERCENT} ]]; then
  42     echo "Coverage is too low. Minimum coverage: $MIN_COVERAGE_PERCENT%"
  43     exit 1
  44   fi
  45 }
  46
  47 check_preconditions || exit 1
  48 check_coverage || exit 2