#/bin/bash
#
# The test assumes you are running Slackware on a 64 bit system.
#

# Packages are copied here on successful download.
export PACKAGE_DIR="${PACKAGE_DIR:-/var/spool/slack-autoupdate}"

# Packages are temperarily stored here until success.
export STAGING_DIR="${STAGING_DIR:-/var/cache/slack-autoupdate/staging}"

# Use fake chmod and chown commands to avoid errors when making packages.
BIN_DIR="$(realpath $(dirname "${BASH_SOURCE[0]}"))/bin"

TEST_DIR="$(
  mktemp \
  --directory \
  --tmpdir="$TMP" \
  slack-autoupdate.XXXXXX
)" || exit 1
trap "rm -fr $TEST_DIR" EXIT

mkdir -p \
  "$TEST_DIR/tmp" \
  "$TEST_DIR/etc/sbotools" \
  "$TEST_DIR/etc/slackpkg" \
  "$TEST_DIR/root" \
  "$TEST_DIR/tmp" \
  "$TEST_DIR/usr/sbo" \
  "$TEST_DIR/var/cache" \
  "$TEST_DIR/var/lib" \
  "$TEST_DIR/var/lock" \
  "$TEST_DIR/var/log" \
  "$TEST_DIR/var/spool"

if ! command -v bwrap &> /dev/null
then
    echo "bwrap could not be found.  The 'bubblewrap' application must be installed to run this test."
    exit 1
fi

# Slackpkg etc. require a fake root user and filesystem.
export INSTANCE="\
bwrap \
  --unshare-user --uid 0 --gid 0 \
  --setenv "HOME" "/root" \
  --ro-bind / / \
  --dev /dev \
  --bind "$TEST_DIR/tmp" "/tmp" \
  --bind "$TEST_DIR/etc/sbotools" /etc/sbotools \
  --bind "$TEST_DIR/etc/slackpkg" /etc/slackpkg \
  --bind "$TEST_DIR/root" /root \
  --bind "$BIN_DIR" /usr/local/bin \
  --bind "$TEST_DIR/usr/sbo" /usr/sbo \
  --bind "$TEST_DIR/var" /var \
  --"

$INSTANCE ln -s ../lib/pkgtools/packages "/var/log/packages"
$INSTANCE mkdir --parents "/var/lib/pkgtools/packages"

echo "Preparing slackpkg test case"
(
  mkdir --parents "$TEST_DIR/etc"
  cp --recursive /etc/slackpkg "$TEST_DIR/etc/"

  echo http://mirrors.slackware.com/slackware/slackware64-15.0/ > "$TEST_DIR/etc/slackpkg/mirrors"
  echo "WGETFLAGS=\"-4 --quiet\"" >> "$TEST_DIR/etc/slackpkg/slackpkg.conf" # REMOVE ME

  yes | $INSTANCE slackpkg update gpg
  $INSTANCE slackpkg -batch=on -default_answer=y update
  touch "$TEST_DIR/var/lib/pkgtools/packages/xpdf-4.00-x86_64-3"
  touch "$TEST_DIR/var/lib/pkgtools/packages/xz-5.0.0-x86_64-4_slack15.0"
)

echo "Preparing sbotools test case"
(
  $INSTANCE sboconfig --pkg-dir "$STAGING_DIR" >/dev/null

  touch "$TEST_DIR/var/lib/pkgtools/packages/bubblewrap-0.7.0-x86_64-1_SBo"
  $INSTANCE sbosnap fetch
)

echo ""
echo "Running slack-autoupdate..."
echo ""

# Display a helpful message and successful exit code by tracking total success.
TESTS_PASS=true

if ! $INSTANCE bash $(dirname "${BASH_SOURCE[0]}")/../slack-autoupdate; then
  TESTS_PASS=false

  echo "slack-autoupdate failed"
  cat "$TEST_DIR/$PACKAGE_DIR/error.txt"
elif [ -f "$TEST_DIR/$PACKAGE_DIR/error.txt" ]; then
  TESTS_PASS=false

  cat "$TEST_DIR/$PACKAGE_DIR/error.txt"
fi

if [ ! -f "$TEST_DIR/$PACKAGE_DIR/info.txt" ]; then
  TESTS_PASS=false

  echo "expected '$PACKAGE_DIR/info.txt' file to be created"
fi

if [ -z "$(find "$TEST_DIR/$PACKAGE_DIR" -name 'xpdf-*.t*z')" ] \
  || [ -z "$(find "$TEST_DIR/$PACKAGE_DIR" -name 'xz-*.t*z')" ]; then
  TESTS_PASS=false

  echo "slackpkg: expected to have xpdf and xz package update"
else
  echo "slackpkg: ok"
fi

if [ -f "$TEST_DIR/etc/sbotools/sbotools.conf" ] \
  && [ -z "$(find "$TEST_DIR/$PACKAGE_DIR" -name 'bubblewrap-*.t*z')" ]; then
  TESTS_PASS=false

  echo "sbotools: expected to have bubblewrap package update"
else
  echo "sbotools: ok"
fi

if [ "$TESTS_PASS" = true ]; then
  echo "all tests pass"
else
  exit 1
fi