#!/bin/bash
# Runs OEMCrypto CAS demo test
#
# Race conditions sometimes occur, causing the executables to hang at the
# beginning of each test suite, so don't rely on these for CI/CD or production.

if [ -z "$CDM_DIR" ]; then
  echo "CDM_DIR must be set to the top of the repo"
  exit
fi

kill_ta_simulators() {
  tee_simulator_cas_pid=$(ps aux | grep '[t]ee_simulator_cas' | awk '{print $2}')

  if [ -n "$tee_simulator_cas_pid" ]; then
    echo "Terminating CAS TEE simulator (PID $tee_simulator_cas_pid)"
    kill $tee_simulator_cas_pid
  fi
}

run_tests() {
  builddir=$CDM_DIR/out/linux/cas

  export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$builddir/liboemcrypto:$builddir/libtuner

  $builddir/tee_simulator_cas/tee_simulator_cas &

  trap kill_ta_simulators EXIT

  sleep 1
  tee_simulator_cas_pid=$(ps aux | grep '[t]ee_simulator_cas' | awk '{print $2}')
  if [[ -f "/proc/$tee_simulator_cas_pid/stat" ]]; then
    $builddir/cas_unittests/cas_unittests --gtest_filter="*OEMCryptoCasDemoTest*"
    # $builddir/hello_world/hello_world
  else
    echo "CAS TEE simulator did not start."
    FINAL_RESULT=43
  fi
}

run_tests

exit $FINAL_RESULT