#!/usr/bin/env bash
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# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
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# under the License.

set -ex

: ${R_BIN:=RDvalgrind}

source_dir=${1}/r

export CMAKE_BUILD_TYPE=RelWithDebInfo

${R_BIN} CMD INSTALL ${INSTALL_ARGS} ${source_dir}
pushd ${source_dir}/tests

# to generate suppression files run:
# ${R_BIN} --vanilla -d "valgrind --tool=memcheck --leak-check=full --track-origins=yes --gen-suppressions=all --log-file=memcheck.log" -f testtthat.supp
${R_BIN} --vanilla -d "valgrind --tool=memcheck --leak-check=full --track-origins=yes --suppressions=/${1}/ci/etc/valgrind-cran.supp" -f testthat.R |& tee testthat.out

# valgrind --error-exitcode=1 should return an erroring exit code that we can catch,
# but R eats that and returns 0, so we need to look at the output and make sure that
# we have 0 errors instead.
if [ $(grep -c "ERROR SUMMARY: 0 errors" testthat.out) != 1 ]; then
  cat testthat.out
  echo "Found Valgrind errors"
  exit 1
fi

# We might also considering using the greps that LibthGBM uses:
# https://github.com/microsoft/LightGBM/blob/fa6d356555f9ef888acf5f5e259dca958ca24f6d/.ci/test_r_package_valgrind.sh#L20-L85

popd