xref: /freebsd/contrib/netbsd-tests/dev/fss/t_fss.sh (revision c22165b4f1f5d38b681921797a44b3ba8c13b7e0)
1# $NetBSD: t_fss.sh,v 1.2 2016/07/29 20:27:37 pgoyette Exp $
2#
3# Copyright (c) 2006, 2007, 2008 The NetBSD Foundation, Inc.
4# All rights reserved.
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8# 1. Redistributions of source code must retain the above copyright
9#    notice, this list of conditions and the following disclaimer.
10# 2. Redistributions in binary form must reproduce the above copyright
11#    notice, this list of conditions and the following disclaimer in the
12#    documentation and/or other materials provided with the distribution.
13#
14# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
15# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
16# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
18# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24# POSSIBILITY OF SUCH DAMAGE.
25#
26
27#
28# Verify basic operation of fss(4) file system snapshot device
29#
30
31orig_data="Original data"
32repl_data="Replacement data"
33
34atf_test_case basic cleanup
35basic_body() {
36
37# create of mount-points for the file system and snapshot
38
39	mkdir ./m1
40	mkdir ./m2
41
42# create a small 4MB file, treat it as a disk, init a file-system on it,
43# and mount it
44
45	dd if=/dev/zero of=./image bs=32k count=64
46	vndconfig -c vnd0 ./image
47	newfs /dev/vnd0a
48	mount /dev/vnd0a ./m1
49
50	echo "${orig_data}" > ./m1/text
51
52# configure and mount a snapshot of the file system
53
54	fssconfig -c fss0 ./m1 ./backup
55	mount -o rdonly /dev/fss0 ./m2
56
57# Modify the data on the underlying file system
58
59	echo "${repl_data}" > ./m1/text || abort
60
61# Verify that original data is still visible in the snapshot
62
63	read test_data < ./m2/text
64	atf_check_equal "${orig_data}" "${test_data}"
65
66# Unmount our temporary stuff
67
68	umount /dev/fss0	|| true
69	fssconfig -u fss0	|| true
70	umount /dev/vnd0a	|| true
71	vndconfig -u vnd0	|| true
72}
73
74basic_cleanup() {
75	umount /dev/vnd0a	|| true
76	fssconfig -u fss0	|| true
77	umount /dev/fss0	|| true
78	vndconfig -u vnd0	|| true
79}
80
81atf_init_test_cases()
82{
83        atf_add_test_case basic
84}
85