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#!/usr/bin/bats -t
# SPDX-License-Identifier: MPL-2.0
#
# libpathrs: safe path resolution on Linux
# Copyright (C) 2019-2025 Aleksa Sarai <cyphar@cyphar.com>
# Copyright (C) 2019-2025 SUSE LLC
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at https://mozilla.org/MPL/2.0/.
load helpers
function setup() {
setup_tmpdirs
}
function teardown() {
teardown_tmpdirs
}
@test "root readlink" {
ROOT="$(setup_tmpdir)"
ln -s /some/random/path "$ROOT/link"
pathrs-cmd root --root "$ROOT" readlink link
[ "$status" -eq 0 ]
grep -Fx 'LINK-TARGET /some/random/path' <<<"$output"
}
@test "root readlink [stacked trailing]" {
ROOT="$(setup_tmpdir)"
ln -s /some/random/path "$ROOT/link-a"
ln -s /link-a "$ROOT/link-b"
ln -s ../../link-b "$ROOT/link-c"
pathrs-cmd root --root "$ROOT" readlink link-a
[ "$status" -eq 0 ]
grep -Fx 'LINK-TARGET /some/random/path' <<<"$output"
pathrs-cmd root --root "$ROOT" readlink link-b
[ "$status" -eq 0 ]
grep -Fx 'LINK-TARGET /link-a' <<<"$output"
pathrs-cmd root --root "$ROOT" readlink link-c
[ "$status" -eq 0 ]
grep -Fx 'LINK-TARGET ../../link-b' <<<"$output"
}
@test "root readlink [non-symlink]" {
ROOT="$(setup_tmpdir)"
echo "/some/random/path" >"$ROOT/file"
pathrs-cmd root --root "$ROOT" readlink file
check-errno ENOENT
[[ "$output" == *"error:"*"readlinkat"* ]] # Make sure the error is from readlinkat(2).
}
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