Signed-off-by: Michał Górny <mgo...@gentoo.org>
---
eclass/tests/tests-common.sh | 7 ++
eclass/tests/unpacker.sh | 233 +++++++++++++++++++++++++++++++++++
2 files changed, 240 insertions(+)
create mode 100755 eclass/tests/unpacker.sh
diff --git a/eclass/tests/tests-common.sh b/eclass/tests/tests-common.sh
index a677842b6ac5..45b1e20b933a 100644
--- a/eclass/tests/tests-common.sh
+++ b/eclass/tests/tests-common.sh
@@ -60,6 +60,13 @@ die() {
exit 1
}
+assert() {
+ local x pipestatus=${PIPESTATUS[*]}
+ for x in ${pipestatus} ; do
+ [[ ${x} -eq 0 ]] || die "$@"
+ done
+}
+
has_version() {
while [[ $1 == -* ]]; do
shift
diff --git a/eclass/tests/unpacker.sh b/eclass/tests/unpacker.sh
new file mode 100755
index 000000000000..af979b0e2995
--- /dev/null
+++ b/eclass/tests/unpacker.sh
@@ -0,0 +1,233 @@
+#!/bin/bash
+# Copyright 2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+source tests-common.sh || exit
+
+inherit unpacker
+
+# silence the output
+unpack_banner() { :; }
+
+TESTFILE=test.in
+TESTDIR=$(mktemp -d || die)
+trap 'cd - >/dev/null && rm -r "${TESTDIR}"' EXIT
+
+# prepare some test data
+# NB: we need something "compressible", as compress(1) will return
+# an error if the file "is larger than before compression"
+cp ../unpacker.eclass "${TESTDIR}/${TESTFILE}" || die
+cd "${TESTDIR}" || die
+
+test_unpack() {
+ local archive=${1}
+ local unpacked=${2}
+ local deps=${3}
+ local packcmd=${4}
+
+ local x
+ for x in ${deps}; do
+ if ! type "${x}" &>/dev/null; then
+ ewarn "Skipping ${archive}, tool ${x} not found"
+ return
+ fi
+ done
+
+ rm -rf testdir || die
+ mkdir -p testdir || die
+
+ tbegin "unpacking ${archive}"
+ eval "${packcmd}"
+ assert "packing ${archive} failed"
+ cd testdir || die
+ local out
+ out=$(
+ _unpacker "../${archive}" 2>&1
+ )
+ ret=$?
+ if [[ ${ret} -eq 0 ]]; then
+ if [[ ! -f ${unpacked} ]]; then
+ eerror "${unpacked} not found after unpacking"
+ ret=1
+ elif ! diff -u "${unpacked}" "../${TESTFILE}"; then
+ eerror "${unpacked} different than input"
+ ret=1
+ fi
+ fi
+ [[ ${ret} -ne 0 ]] && echo "${out}" >&2
+ tend ${ret}
+
+ cd .. || die
+ rm -f "${archive}" || die
+}
+
+test_compressed_file() {
+ local suffix=${1}
+ local tool=${2}
+
+ test_unpack "test${suffix}" test "${tool}" \
+ "${tool} -c \${TESTFILE} > \${archive}"
+}
+
+test_compressed_file_multistream() {
+ local suffix=${1}
+ local tool=${2}
+
+ test_unpack "test+multistream${suffix}" "test+multistream" "${tool}" \
+ "head -n 300 \${TESTFILE} | ${tool} -c > \${archive} &&
+ tail -n +301 \${TESTFILE} | ${tool} -c >> \${archive}"
+}
+
+test_compressed_file_with_junk() {
+ local suffix=${1}
+ local tool=${2}
+ local flag=${3}
+
+ test_unpack "test+junk${suffix}" "test+junk" "${tool}" \
+ "${tool} -c \${TESTFILE} > \${archive} && cat test.in >>
\${archive}"
+}
+
+test_compressed_tar() {
+ local suffix=${1}
+ local tool=${2}
+
+ test_unpack "test${suffix}" test.in "tar ${tool}" \
+ "tar -c \${TESTFILE} | ${tool} -c > \${archive}"
+}
+
+test_compressed_cpio() {
+ local suffix=${1}
+ local tool=${2}
+
+ test_unpack "test${suffix}" test.in "cpio ${tool}" \
+ "cpio -o --quiet <<<\${TESTFILE} | ${tool} -c > \${archive}"
+}
+
+create_deb() {
+ local suffix=${1}
+ local tool=${2}
+ local archive=${3}
+ local infile=${4}
+
+ echo 2.0 > debian-binary || die
+ : > control || die
+ tar -cf control.tar control || die
+ tar -c "${infile}" | ${tool} > "data.tar${suffix}"
+ assert "packing data.tar${suffix} failed"
+ ar r "${archive}" debian-binary control.tar "data.tar${suffix}" \
+ 2>/dev/null || die
+ rm -f control control.tar "data.tar${suffix}" debian-binary || die
+}
+
+test_deb() {
+ local suffix=${1}
+ local tool=${2}
+ local tool_cmd
+
+ if [[ -n ${tool} ]]; then
+ tool_cmd="${tool} -c"
+ else
+ tool_cmd=cat
+ fi
+
+ test_unpack "test-${tool}_1.2.3_noarch.deb" test.in "ar tar ${tool}" \
+ "create_deb '${suffix}' '${tool_cmd}' \${archive} \${TESTFILE}"
+}
+
+test_reject_junk() {
+ local suffix=${1}
+ local archive=test${1}
+
+ rm -rf testdir || die
+ mkdir -p testdir || die
+
+ tbegin "rejecting junk named ${archive}"
+ cat test.in >> "${archive}" || die
+ cd testdir || die
+ (
+ # some decompressors (e.g. cpio) are very verbose about junk
+ _unpacker "../${archive}" &>/dev/null
+ )
+ [[ $? -ne 0 ]]
+ ret=$?
+ tend ${ret}
+
+ cd .. || die
+ rm -f "${archive}" || die
+}
+
+test_compressed_file .bz2 bzip2
+test_compressed_file .Z compress
+test_compressed_file .gz gzip
+test_compressed_file .lzma lzma
+test_compressed_file .xz xz
+test_compressed_file .lz lzip
+test_compressed_file .zst zstd
+
+test_compressed_file_multistream .bz2 bzip2
+test_compressed_file_multistream .gz gzip
+test_compressed_file_multistream .xz xz
+test_compressed_file_multistream .lz lzip
+test_compressed_file_multistream .zst zstd
+
+test_compressed_file_with_junk .bz2 bzip2
+test_compressed_file_with_junk .lz lzip
+
+test_unpack test.tar test.in tar 'tar -cf ${archive} ${TESTFILE}'
+test_compressed_tar .tar.bz2 bzip2
+test_compressed_tar .tbz bzip2
+test_compressed_tar .tbz2 bzip2
+test_compressed_tar .tar.Z compress
+test_compressed_tar .tar.gz gzip
+test_compressed_tar .tgz gzip
+test_compressed_tar .tar.lzma lzma
+test_compressed_tar .tar.xz xz
+test_compressed_tar .txz xz
+test_compressed_tar .tar.lz lzip
+test_compressed_tar .tar.zst zstd
+
+test_unpack test.cpio test.in cpio 'cpio -o --quiet <<<${TESTFILE} >
${archive}'
+test_compressed_cpio .cpio.bz2 bzip2
+test_compressed_cpio .cpio.Z compress
+test_compressed_cpio .cpio.gz gzip
+test_compressed_cpio .cpio.lzma lzma
+test_compressed_cpio .cpio.xz xz
+test_compressed_cpio .cpio.lz lzip
+test_compressed_cpio .cpio.zst zstd
+
+test_deb
+test_deb .gz gzip
+test_deb .xz xz
+test_deb .bz2 bzip2
+test_deb .lzma lzma
+
+test_unpack test.zip test.in zip 'zip -q ${archive} ${TESTFILE}'
+# test handling non-adjusted zip with junk prepended
+test_unpack test.zip test.in zip \
+ 'zip -q testdir/tmp.zip ${TESTFILE} && cat test.in testdir/tmp.zip >
${archive}'
+test_unpack test.7z test.in 7z '7z -bso0 a ${archive} ${TESTFILE}'
+test_unpack test.lha test.in lha 'lha a -q ${archive} ${TESTFILE}'
+test_unpack test.lzh test.in lha 'lha a -q ${archive} ${TESTFILE}'
+test_unpack test.rar test.in rar 'rar -idq a ${archive} ${TESTFILE}'
+
+# TODO: .run/.sh/.bin
+
+test_reject_junk .bz2
+test_reject_junk .Z
+test_reject_junk .gz
+test_reject_junk .lzma
+test_reject_junk .xz
+test_reject_junk .lz
+test_reject_junk .zst
+test_reject_junk .tar
+test_reject_junk .cpio
+test_reject_junk .deb
+test_reject_junk .zip
+test_reject_junk .7z
+test_reject_junk .rar
+test_reject_junk .lha
+test_reject_junk .lzh
+
+texit
--
2.37.3
