#!/bin/bash
set -e

if [[ $# -ne 1 ]]; then
  printf "Usage: %s <coverfile>\n" "$0"
  exit 0
fi

cover_file=$1
min_coverage=80

coverage_report=$(go tool cover -func="$cover_file")
printf "%s\n" "$coverage_report"

coverage_float=$(awk "/^total:/ { print \$3 }" <<< "$coverage_report")
coverage_int=${coverage_float%.*}

if (( "$coverage_int" < "$min_coverage" )) ; then
  printf "FAIL: Test coverage is at %s, which does not meet the required coverage (%s%%)\n" "$coverage_float" "$min_coverage"
  exit 1
else
  printf "SUCCESS: Test coverage is at %s, which meets the required coverage (%s%%)\n" "$coverage_float" "$min_coverage"
fi