1 # This file is sourced by init.sh, *before* its initialization.
3 # This goes hand in hand with the "exec 9>&2;" in tests/Makefile.am's
4 # TESTS_ENVIRONMENT definition.
7 # For repeatability, reset the environment to known value.
12 export PARTED_SUPPRESS_FILE_SYSTEM_MANIPULATION_WARNING=1
14 # Protect ourselves from common misconfiguration to export
15 # CDPATH into the environment
18 # Suppress readline initialization garbage.
21 sector_size_=${PARTED_SECTOR_SIZE:-512}
23 require_512_byte_sector_size_()
25 test $sector_size_ = 512 || skip_ 'FS test with sector size != 512'
28 require_udevadm_settle_()
30 udevadm --help > /dev/null \
31 || skip_ 'udevadm command is required for this test'
34 require_perl_digest_crc_()
38 t=$(perl -le 'use Digest::CRC qw(crc32); print crc32("123")') \
39 && test $t = 2286445522 && ok=1
41 || skip_ "this test requires Perl's Digest::CRC module"
44 # We need two cleanup functions. One, cleanup_final_, is sometimes
45 # used (transparently) via t-local.sh's modprobe/rmmod code.
46 # The other is used e.g., to unmount.
47 cleanup_final_() { :; }
49 cleanup_() { cleanup_fn_; cleanup_final_; }
51 # Use this for a test that requires an actual hardware device, e.g., a real
52 # disk, a USB key, or a CD-RW. The envvars $DEVICE_TO_ERASE and
53 # $DEVICE_TO_ERASE_SIZE must be set properly. Otherwise, skip the test.
56 # Skip quietly if both envvars are not specified.
57 test -n "$DEVICE_TO_ERASE" && test -n "$DEVICE_TO_ERASE_SIZE" \
58 || skip_ 'This test requires an erasable device and you have not properly' \
59 'set the $DEVICE_TO_ERASE and $DEVICE_TO_ERASE_SIZE envvars.'
61 # Since testing a drive with parted destroys all data on that drive,
62 # we have rather draconian safety requirements that should help avoid
63 # accidents. If $dev_ is the name of the device,
64 # - running "parted -s $dev_ print" must succeed, and
65 # - its output must include a line matching /^Disk $dev_: $DEV_SIZE$/
66 # - Neither $dev_ nor any $dev_[0-9]* may be mounted.
68 sz=$DEVICE_TO_ERASE_SIZE
69 parted_output=$(parted -s $dev_ print) || fail_ "no such device: $dev_"
70 parted -s $dev_ print|grep "^Disk $dev_: $sz$" \
71 > /dev/null || fail_ "actual device size is not $sz"
72 # Try to see if $dev_ or any of its partitions is mounted.
73 # This is not reliable. FIXME: find a better way.
74 # Maybe expose parted's own test for whether a disk is in use.
75 # The following assume that $dev_ is canonicalized, e.g., that $dev_
76 # contains no "//" or "/./" components.
78 # Prefer df --local, if it works, so we don't waste time
79 # enumerating lots of automounted file systems.
80 ( df --local / > /dev/null 2>&1 ) && df='df --local' || df=df
81 $df | grep "^$dev_" && fail_ "$dev_ is already mounted"
82 $df | grep "^$dev_[0-9]" && fail_ "a partition of $dev_ is already mounted"
85 . "$abs_top_srcdir/tests/t-lib-helpers.sh"
86 . "$abs_top_srcdir/tests/t-local.sh"