#!/bin/bash
set -euo pipefail

dn=$(cd $(dirname $0) && pwd)

export topsrcdir=$(cd $dn/.. && pwd)

# avoid refetching yum metadata everytime
export RPMOSTREE_USE_CACHED_METADATA=1

LOG=${LOG:-compose.log}
date > ${LOG}

colour_print() {
  colour=$1; shift
  [ ! -t 1 ] || echo -en "\e[${colour}m"
  echo -n "$@"
  [ ! -t 1 ] || echo -en "\e[0m"
  echo
}

pass_print() {
  colour_print 32 "$@" # green
}

fail_print() {
  colour_print 31 "$@" # red
}

skip_print() {
  colour_print 34 "$@" # blue
}

uid=$(id -u)
test_compose_datadir=/var/tmp/rpmostree-compose-cache-${uid}
export test_compose_datadir
mkdir -p ${test_compose_datadir}
datadir_owner=$(stat -c '%u' ${test_compose_datadir})
test ${uid} = ${datadir_owner}

# Pre-cache RPMs for each test, and share ostree repos between them for efficiency
repo=${test_compose_datadir}/repo
export repo
ostree --repo=${repo} init --mode=archive
repobuild=${test_compose_datadir}/repo-build
export repobuild
ostree --repo=${repobuild} init --mode=bare-user
mkdir -p ${test_compose_datadir}/cache

echo "Preparing compose tests..." | tee -a ${LOG}

# take the host repo if it matches our target tree
if [ -n "${RPMOSTREE_COMPOSE_TEST_USE_HOST_REPO:-}" ]; then
  # NB: when bumping 26 here, also bump fedora.repo, .papr.yml
  (source /etc/os-release;
   if [ "$ID" == "fedora" ] && [ "$VERSION_ID" == "26" ]; then
     echo "Taking stable Fedora repo file from test env."
     cp -fv /etc/yum.repos.d/fedora.repo ${dn}/composedata
   fi) &>> ${LOG}
fi

# Delete the default ref, since we want to use subrefs of it
(rm ${repobuild}/refs/heads/* -rf
 rpm-ostree compose --repo=${repobuild} tree --dry-run --cachedir=${test_compose_datadir}/cache ${dn}/composedata/fedora-base.json
 rm ${repobuild}/refs/heads/* -rf) &>> ${LOG}

total=0
pass=0
fail=0
skip=0
for tf in $(find ${dn}/compose-tests -name 'test-*.sh' | sort); do

    if [ -n "${TESTS+ }" ]; then
        tfbn=$(basename "$tf" .sh)
        tfbn=" ${tfbn#test-} "
        if [[ " $TESTS " != *$tfbn* ]]; then
            continue
        fi
    fi

    let "total += 1"

    bn=$(basename ${tf})
    printf "Running $bn...\n"
    printf "\n\n===== ${bn} =====\n\n" >> ${LOG}

    # do some dirty piping to get some instant feedback and help debugging
    if ${tf} |& tee -a ${LOG} \
            | grep -e '^ok ' --line-buffered \
            | xargs -d '\n' -n 1 echo "  "; then
        pass_print "PASS: $bn"
        echo "PASS" >> ${LOG}
        let "pass += 1"
    else
        if test $? = 77; then
            skip_print "SKIP: $bn"
            echo "SKIP" >> ${LOG}
            let "skip += 1"
        else
            fail_print "FAIL: $bn"
            echo "FAIL" >> ${LOG}
            let "fail += 1"
        fi
    fi
done

[ ${fail} -eq 0 ] && printer=pass || printer=fail
${printer}_print "TOTAL: $total PASS: $pass SKIP: $skip FAIL: $fail"
echo "See ${LOG} for more information."
[ ${fail} -eq 0 ]