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# gzip-like LZSS compressor
# Copyright (C) 2018 Pacien TRAN-GIRARD
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
import unittest, os, ospaths, osproc, times
import gziplike
suite "main":
const tempDir = "tmp"
proc testIdentity(input: string, intermediate = tempDir / "compressed", final = tempDir / "decompressed"): bool =
let compressionStartTime = getTime()
compress.transform(input, intermediate)
echo("compression done in ", getTime() - compressionStartTime)
echo("compression ratio: ", (intermediate.getFileSize() * 100) div input.getFileSize(), "%")
let decompressionStartTime = getTime()
decompress.transform(intermediate, final)
echo("decompression done in ", getTime() - decompressionStartTime)
startProcess("cmp", args=[input, final], options={poUsePath}).waitForExit() == 0
setup: createDir(tempDir)
teardown: removeDir(tempDir)
test "identity (text)":
check testIdentity("license.md")
test "identity (binary)":
check testIdentity("tests" / "tgziplike")
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