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t_fss.sh revision 1.1 
      1 # $NetBSD: t_fss.sh,v 1.1 2016/07/29 06:13:39 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 
     31 orig_data="Original data"
     32 repl_data="Replacement data"
     33 
     34 atf_test_case basic cleanup
     35 basic_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 "${orig_data}" > ./m1/text
     51 
     52 # configure and mount a snapshot of the file system
     53 
     54 	fssconfig -c fss0 ./m1 ./backup
     55 	mount /dev/fss0 ./m2
     56 
     57 # Modify the data on the underlying file system
     58 
     59 	echo "${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/vnd0a	|| true
     69 	umount /dev/fss0	|| true
     70 }
     71 
     72 basic_cleanup() {
     73 	umount /dev/vnd0a	|| true
     74 	umount /dev/fss0	|| true
     75 	vndconfig -u vnd0	|| true
     76 	fssconfig -u fss0	|| true
     77 }
     78 
     79 atf_init_test_cases()
     80 {
     81         atf_add_test_case basic
     82 }
     83