#! /bin/bash

main() {
   local ret=0
   for f in ./*_test.sh; do
      if ! one_main "$f"; then
         echo failed $f >&2
         ret=$((ret+1))
      fi
   done
   if [ $ret != 0 ]; then
      echo failed >&2
   fi
   return $ret
}

one_main() (
   local f="$1"
   local ret=0
   for t in $(grep ^test_ "$f" | sed 's/(.*//'); do
      if ! one_test "$f" "$t"; then
         echo failed $f:$t >&2
         ret=$((ret+1))
      fi
   done
   return $ret
)

one_test() (
   local f="$1"
   local t="$2"
   each
   source "${f%_test.sh}.sh"
   source "$f"
   eval "$t"
)

each() {
   export CACHE=$(mktemp -d)
   source ./cache.sh
   set -e
   set -o pipefail
}

if [ "$0" == "$BASH_SOURCE" ]; then
   main "$@"
fi