daemon: add some basic tests

MFC after:	2 weeks
Sponsored by:	Axcient
Differential Revision:	https://reviews.freebsd.org/D29316
This commit is contained in:
Alan Somers 2021-03-17 10:35:00 -06:00
parent 7818653fd6
commit 3b57d80c7a
4 changed files with 238 additions and 0 deletions

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@ -1094,6 +1094,8 @@
usr.sbin usr.sbin
chown chown
.. ..
daemon
..
etcupdate etcupdate
.. ..
extattr extattr

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@ -5,4 +5,9 @@ MAN= daemon.8
LIBADD= util LIBADD= util
.include <src.opts.mk>
HAS_TESTS=
SUBDIR.${MK_TESTS}+= tests
.include <bsd.prog.mk> .include <bsd.prog.mk>

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@ -0,0 +1,7 @@
# $FreeBSD$
PACKAGE= tests
ATF_TESTS_SH= daemon_test
.include <bsd.test.mk>

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#!/bin/sh
#
# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
#
# Copyright (c) 2021 Axcient
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
# $FreeBSD$
atf_test_case both_pidfile cleanup
both_pidfile_head() {
atf_set "descr" "daemon should write pid files for itself and its child"
}
both_pidfile_body() {
daemon -P daemon.pid -p sleep.pid sleep 300
atf_check -s exit:0 test -f daemon.pid
atf_check -s exit:0 -o match:"daemon: sleep" ps -p `cat daemon.pid`
atf_check -s exit:0 test -f sleep.pid
atf_check -s exit:0 -o match:"[0-9] sleep 300$" ps -p `cat sleep.pid`
}
both_pidfile_cleanup() {
if [ -f daemon.pid ]; then
daemon_pid=`cat daemon.pid`
fi
if [ -f sleep_pid ]; then
sleep_pid=`cat sleep.pid`
fi
[ -n "$sleep_pid" ] && kill $sleep_pid
# NB: killing the sleep should kill the daemon too, so we musn't fail
# the test if the second kill fails with ESRCH
[ -n "$daemon_pid" ] && kill $daemon_pid || true
}
atf_test_case chdir cleanup
chdir_head() {
atf_set "descr" "daemon should chdir to /"
}
chdir_body() {
# Executing sleep by relative path will only work from /
daemon -p ${PWD}/sleep.pid -c bin/sleep 300
atf_check -s exit:0 test -f sleep.pid
atf_check -s exit:0 -o match:"[0-9] bin/sleep 300$" \
ps -p `cat sleep.pid`
}
chdir_cleanup() {
[ -f sleep.pid ] && kill `cat sleep.pid`
}
atf_test_case child_pidfile cleanup
child_pidfile_head() {
atf_set "descr" "daemon should write its child's pid to a pidfile"
}
child_pidfile_body() {
daemon -p sleep.pid sleep 300
atf_check -s exit:0 test -f sleep.pid
atf_check -s exit:0 -o match:"[0-9] sleep 300$" ps -p `cat sleep.pid`
}
child_pidfile_cleanup() {
[ -f sleep.pid ] && kill `cat sleep.pid`
}
atf_test_case child_pidfile_lock cleanup
child_pidfile_lock_head() {
atf_set "descr" "daemon should refuse to clobber an existing child"
}
child_pidfile_lock_body() {
daemon -p sleep.pid sleep 300
atf_check -s exit:0 test -f sleep.pid
atf_check -s not-exit:0 -e match:"process already running" \
daemon -p sleep.pid sleep 300
}
child_pidfile_lock_cleanup() {
[ -f sleep.pid ] && kill `cat sleep.pid`
}
atf_test_case newsyslog cleanup
newsyslog_head() {
atf_set "descr" "daemon should close and reopen the output file on SIGHUP"
}
newsyslog_body() {
cat > child.sh <<HERE
#! /bin/sh
while true ; do
echo "my output"
sleep 0.1
done
HERE
chmod +x child.sh
daemon -P daemon.pid -H -o output_file ./child.sh
atf_check -s exit:0 test -f daemon.pid
sleep 0.2
mv output_file output_file.0
kill -HUP `cat daemon.pid`
sleep 0.2
atf_check -s exit:0 test -s output_file.0
atf_check -s exit:0 test -s output_file
}
newsyslog_cleanup() {
[ -f daemon.pid ] && kill `cat daemon.pid`
}
atf_test_case output_file
output_file_head() {
atf_set "descr" "daemon should redirect stdout to a file"
}
output_file_body() {
daemon -o output_file seq 1 5
seq 1 5 > expected_file
atf_check -s exit:0 cmp output_file expected_file
}
atf_test_case restart_child cleanup
restart_child_head() {
atf_set "descr" "daemon should restart a dead child"
}
restart_child_body() {
daemon -rP daemon.pid -p sleep.pid sleep 300
atf_check -s exit:0 test -f daemon.pid
atf_check -s exit:0 test -f sleep.pid
orig_sleep_pid=`cat sleep.pid`
kill $orig_sleep_pid
# Wait up to 10s for the daemon to restart the child.
for t in `seq 0 0.1 10`; do
new_sleep_pid=`cat sleep.pid`
[ "$orig_sleep_pid" -ne "$new_sleep_pid" ] && break
sleep 0.1
done
[ "$orig_sleep_pid" -ne "$new_sleep_pid" ] || \
atf_fail "child was not restarted"
}
restart_child_cleanup() {
[ -f daemon.pid ] && kill `cat daemon.pid`
}
atf_test_case supervisor_pidfile cleanup
supervisor_pidfile_head() {
atf_set "descr" "daemon should write its own pid to a pidfile"
}
supervisor_pidfile_body() {
daemon -P daemon.pid sleep 300
atf_check -s exit:0 test -f daemon.pid
atf_check -s exit:0 -o match:"daemon: sleep" ps -p `cat daemon.pid`
}
supervisor_pidfile_cleanup() {
[ -f daemon.pid ] && kill `cat daemon.pid`
}
atf_test_case supervisor_pidfile_lock cleanup
supervisor_pidfile_lock_head() {
atf_set "descr" "daemon should refuse to clobber an existing instance"
}
supervisor_pidfile_lock_body() {
daemon -P daemon.pid sleep 300
atf_check -s exit:0 test -f daemon.pid
atf_check -s not-exit:0 -e match:"process already running" \
daemon -p daemon.pid sleep 300
}
supervisor_pidfile_lock_cleanup() {
[ -f daemon.pid ] && kill `cat daemon.pid`
}
atf_test_case title cleanup
title_head() {
atf_set "descr" "daemon should change its process title"
}
title_body() {
daemon -P daemon.pid -t "I'm a title!" sleep 300
atf_check -s exit:0 test -f daemon.pid
atf_check -s exit:0 -o match:"daemon: I'm a title!" \
ps -p `cat daemon.pid`
}
title_cleanup() {
[ -f daemon.pid ] && kill `cat daemon.pid`
}
atf_test_case user cleanup
user_head() {
atf_set "descr" "daemon should drop privileges"
atf_set "require.user" "root"
}
user_body() {
daemon -p sleep.pid -u nobody sleep 300
atf_check -s exit:0 test -f sleep.pid
atf_check -s exit:0 -o match:"^nobody" ps -up `cat sleep.pid`
}
user_cleanup() {
[ -f sleep.pid ] && kill `cat sleep.pid`
}
atf_init_test_cases() {
atf_add_test_case both_pidfile
atf_add_test_case chdir
atf_add_test_case child_pidfile
atf_add_test_case child_pidfile_lock
atf_add_test_case newsyslog
atf_add_test_case output_file
atf_add_test_case restart_child
atf_add_test_case supervisor_pidfile
atf_add_test_case supervisor_pidfile_lock
atf_add_test_case title
atf_add_test_case user
}