#!/bin/bash

function installData()
{
  local DIR=$1
  shift 1
  mkdir -p ${DIR}
  for file in $*; do 
    cp data/${file} ${DIR}
  done
}

if [ "x${MENUTEST}" == "x" ]; then
  echo 'To run the test set $MENUTEST to your menu-spec implementation.'
  exit 1
fi

if [ "x${MENUTESTDIR}" == "x" ]; then
  MENUTESTDIR=/tmp/menutestdir
  echo Using ${MENUTESTDIR} as test directory, override with '$MENUTESTDIR.'
else
  echo Using ${MENUTESTDIR} as test directory.
fi

export MENUTESTDIR

if [ "x${TESTS}" == "x" ]; then
	TESTS=`ls tests`
fi

FAILED=
SUCCEEDED=
for TEST in ${TESTS}; do
  echo
  rm -rf ${MENUTESTDIR} 2> /dev/null
  mkdir ${MENUTESTDIR}
  RESULT=tests/${TEST}/result

  if [ ! -e ${RESULT} ]; then
    echo '!!! Result file ('${RESULT}') for '${TEST}' missing'
  else
    (
    echo ">>> Running test ${TEST}"

    # Some predefined values
    XDG_CONFIG_HOME=${MENUTESTDIR}/xdg_config_home
    XDG_DATA_HOME=${MENUTESTDIR}/xdg_data_home
    XDG_CONFIG_DIR=${MENUTESTDIR}/xdg_config_dir
    XDG_DATA_DIR=${MENUTESTDIR}/xdg_data_dir
    XDG_CONFIG_DIRS=$XDG_CONFIG_DIR
    XDG_DATA_DIRS=$XDG_DATA_DIR

    export XDG_CONFIG_HOME
    export XDG_DATA_HOME
    export XDG_CONFIG_DIR
    export XDG_DATA_DIR
    export XDG_CONFIG_DIRS
    export XDG_DATA_DIRS

     . tests/${TEST}/test

    $MENUTEST > ${MENUTESTDIR}/result1 2> ${MENUTESTDIR}/log
    ./expand ${RESULT} > ${MENUTESTDIR}/result2
    )

    if diff -q ${MENUTESTDIR}/result1 ${MENUTESTDIR}/result2 > /dev/null; then
      echo '>>> OK'
      SUCCEEDED="${SUCCEEDED} ${TEST}"
    else
      sort ${MENUTESTDIR}/result1 > ${MENUTESTDIR}/result1.sorted
      sort ${MENUTESTDIR}/result2 > ${MENUTESTDIR}/result2.sorted
      if diff -u ${MENUTESTDIR}/result1.sorted ${MENUTESTDIR}/result2.sorted > ${MENUTESTDIR}/result.diff; then
        echo '>>> OK (different order)'
        SUCCEEDED="${SUCCEEDED} ${TEST}"
      else
        echo '>>> Failed'
        cat ${MENUTESTDIR}/result.diff
        cat ${MENUTESTDIR}/log
        FAILED="${FAILED} ${TEST}"
      fi
    fi
  fi
done


echo "OK tests:     ${SUCCEEDED}"

if ! test -z "${FAILED}" ; then
    echo "Failed tests: ${FAILED}"
    exit 1
fi

echo `echo ${SUCCEEDED} | wc -w`' tests passed, '`echo ${FAILED} | wc -w`' tests failed'

if test -z "${FAILED}" ; then
    exit 0
else
    exit 1
fi