#!/bin/bash

# Copyright (c) 2010-2022, Lawrence Livermore National Security, LLC. Produced
# at the Lawrence Livermore National Laboratory. All Rights reserved. See files
# LICENSE and NOTICE for details. LLNL-CODE-806117.
#
# This file is part of the MFEM library. For more information and source code
# availability visit https://mfem.org.
#
# MFEM is free software; you can redistribute it and/or modify it under the
# terms of the BSD-3 license. We welcome feedback and contributions, see file
# CONTRIBUTING.md for details.

# locals
glob_err=${BASELINE_TEST}.err
base=${BASELINE_TEST}-${SYS_TYPE}
base_diff=${base}.diff
base_patch=${base}.patch
base_out=${base}.out
artifacts_path=${CI_PROJECT_DIR}/${ARTIFACTS_DIR}

# prepare
cd ${BUILD_ROOT} || \
  { echo "Invalid BUILD_ROOT=$BUILD_ROOT"; exit 1; }
ln -snf ${CI_PROJECT_DIR} mfem
cd tests
[[ -d _${BASELINE_TEST} ]] && rm -rf _${BASELINE_TEST}
mkdir _${BASELINE_TEST} && cd _${BASELINE_TEST}

# run
if [[ "${MACHINE_NAME}" == "quartz" || "${MACHINE_NAME}" == "ruby" ]]; then
  salloc --nodes=1 -p pdebug ../runtest ../../mfem "${BASELINE_TEST} ${TPLS_DIR}"
elif [[ ${MACHINE_NAME} == "corona" ]]; then
  salloc --nodes=1 -t 60 -p pbatch ../runtest ../../mfem "${BASELINE_TEST} ${TPLS_DIR}"
elif [[ ${MACHINE_NAME} == "lassen" ]]; then
  lalloc 1 -q pdebug ../runtest ../../mfem "${BASELINE_TEST} ${TPLS_DIR}"
else
  echo "Unknown machine: MACHINE_NAME=$MACHINE_NAME"
  exit 1
fi

# post
mkdir ${artifacts_path}

if [[ -s ${glob_err} ]]
then
  echo "ERROR during ${BASELINE_TEST} execution";
  echo "Here is the ${glob_err} file content";
  cat ${glob_err}
  cp ${glob_err} ${artifacts_path}/${glob_err}
  exit 1;
elif [[ ! -f ${base_patch} && ! -f ${base_out} ]]
then
  echo "Something went WRONG in ${BASELINE_TEST}:";
  echo "Either ${base_patch} or ${base_out} should exists";
  exit 1;
elif [[ -f ${base_patch} ]]
then
  echo "${BASELINE_TEST}: Differences found, patch generated"
  cp ${base_patch} ${artifacts_path}/${base_patch}
elif [[ -f ${base_out} ]]
then
  echo "${BASELINE_TEST}: Differences found, replacement file generated"
  cp ${base_out} ${artifacts_path}/${base_out}
fi

if [[ -f ${BASELINE_TEST}.out ]]; then
  cp ${BASELINE_TEST}.out ${artifacts_path}
fi

# base_diff won't even exist if there is no difference.
if [[ -f ${base_diff} ]]
then
  echo "${BASELINE_TEST}: Relevant differences (filtered diff) ..."
  cat ${base_diff}
  cp ${base_diff} ${artifacts_path}/${base_diff}
  # We create a .err file, because that's how we signal that there was a diff.
  cp ${base_diff} ${artifacts_path}/gitlab-${BASELINE_TEST}-${MACHINE_NAME}.err
fi

if [[ ! -s ${base_diff} ]]
then
  echo "${BASELINE_TEST}: PASSED"
  true
else
  echo "${BASELINE_TEST}: FAILED"
  false
fi