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#!/bin/bash
# Copyright 2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
source tests-common.sh || exit
inherit eapi8-dosym
dosym() {
echo "$1"
}
# reference implementation using GNU realpath
ref_canonicalize() {
realpath -m -s "$1"
}
ref_dosym_r() {
local link=$(realpath -m -s "/${2#/}")
realpath -m -s --relative-to="$(dirname "${link}")" "$1"
}
randompath() {
dd if=/dev/urandom bs=128 count=1 2>/dev/null | LC_ALL=C sed \
-e 's/[^a-zA-M]//g;s/[A-E]/\/.\//g;s/[F-J]/\/..\//g;s/[K-M]/\//g' \
-e 's/^/\//;q'
}
teq() {
local expected=$1; shift
tbegin "$* -> ${expected}"
local got=$("$@")
[[ ${got} == "${expected}" ]]
tend $? "returned: ${got}"
}
for f in ref_canonicalize "_dosym8_canonicalize"; do
# canonicalize absolute paths
teq / ${f} /
teq /foo/baz/quux ${f} /foo/bar/../baz/quux
teq /foo ${f} /../../../foo
teq /bar ${f} /foo//./..///bar
teq /baz ${f} /foo/bar/../../../baz
teq /a/d/f/g ${f} /a/b/c/../../d/e/../f/g
done
# canonicalize relative paths (not actually used)
teq . _dosym8_canonicalize .
teq foo _dosym8_canonicalize foo
teq foo _dosym8_canonicalize ./foo
teq ../foo _dosym8_canonicalize ../foo
teq ../baz _dosym8_canonicalize foo/bar/../../../baz
for f in ref_dosym_r "dosym8 -r"; do
teq ../../bin/foo ${f} /bin/foo /usr/bin/foo
teq ../../../doc/foo-1 \
${f} /usr/share/doc/foo-1 /usr/share/texmf-site/doc/fonts/foo
teq ../../opt/bar/foo ${f} /opt/bar/foo /usr/bin/foo
teq ../c/d/e ${f} /a/b/c/d/e a/b/f/g
teq b/f ${f} /a/b///./c/d/../e/..//../f /a/././///g/../h
teq ../h ${f} /a/././///g/../h /a/b///./c/d/../e/..//../f
teq . ${f} /foo /foo/bar
teq .. ${f} /foo /foo/bar/baz
teq '../../fo . o/b ar' ${f} '/fo . o/b ar' '/baz / qu .. ux/qu x'
teq '../../f"o\o/b$a[]r' ${f} '/f"o\o/b$a[]r' '/ba\z/qu$u"x/qux'
done
# set RANDOMTESTS to a positive number to enable random tests
for (( i = 0; i < RANDOMTESTS; i++ )); do
targ=$(randompath)
link=$(randompath)
out=$(ref_dosym_r "${targ}" "${link}")
teq "${out}" dosym8 -r "${targ}" "${link}"
done
texit
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