#!/usr/bin/env bash
echo "================================================================================"
echo "Testing \`zlibutil\`:"
echo "--------------------------------------------------------------------------------"

TMPDIR="$(mktemp -d -t fossvg-zlibutil-XXXXX)"
TMPDATA="$(dd if=/dev/urandom bs=33 count=1 2>/dev/null | base64)"

echo -n "Compression test... "

echo -n "$TMPDATA" >> "$TMPDIR/compress"
zlibutil "$TMPDIR/compress"

python3 <<< "
import zlib, sys
tmpfile = open('$TMPDIR/compress.zz', 'rb')
data = tmpfile.read()
tmpfile.close()
try:
    if zlib.decompress(data)==b'$TMPDATA':
        print('PASS')
    else:
        print('FAIL: Wrong data.')
except:
    print('FAIL: Exception.')
"

echo -n "Decompression test... "
#TODO: create a compressed file using another implementation (Python)
python3 <<< "
import zlib
tmpfile = open('$TMPDIR/decompress.zz', 'wb')
tmpfile.write(zlib.compress(b'$TMPDATA'))
tmpfile.close()
"

zlibutil -d "$TMPDIR/decompress.zz"
if [ "$(cat "$TMPDIR/decompress")" = "$TMPDATA" ]; then
    echo "PASS"
else
    echo "FAIL"
fi

rm -r "$TMPDIR"

echo "================================================================================"