Test script to see how often phpunit receives hangup signal

test-hangup.sh

#!/bin/bash

if [ -z "$1" ]; then echo 'Please specify test file!'; exit 1; fi

failures=0
attempts=0

while true; do
  cmd="./vendor/bin/phpunit --colors $1"
  $cmd
  status=$?
  [ $status -ne 0 ] && ((failures=failures+1))
  ((attempts=attempts+1))
  printf "\n"
  echo "Number of failures/attempts: $failures/$attempts"
  printf "\n"
done