release/src/router/busybox/testsuite/mount.testroot

   1 #!/bin/sh
   2
   3 # SUSv3 compliant mount and umount tests.
   4 # Copyright 2005 by Rob Landley <rob@landley.net>
   5 # Licensed under GPLv2, see file LICENSE in this source tree.
   6
   7 if [ -z "$TESTDIR" ]
   8 then
   9   echo 'Need $TESTDIR'
  10   exit 1
  11 fi
  12
  13 cd "$TESTDIR"
  14
  15 . testing.sh
  16
  17 # If we aren't PID 1, barf.
  18
  19 #if [ $$ -ne 1 ]
  20 #then
  21 #  echo "SKIPPED: mount test requires emulation environment"
  22 #  exit 0
  23 #fi
  24
  25 # Run tests within the chroot environment.
  26 dochroot bash rm ls ln cat ps mknod mkdir dd grep cmp diff tail \
  27         mkfs.ext2 mkfs.vfat mount umount losetup wc << EOF
  28 #!/bin/bash
  29
  30 . /testing.sh
  31
  32 mknod /dev/loop0 b 7 0
  33 mknod /dev/loop1 b 7 1
  34
  35 # We need /proc to do much.  Make sure we can mount it explicitly.
  36
  37 testing "mount no proc [GNUFAIL]" "mount 2> /dev/null || echo yes" "yes\n" "" ""
  38 testing "mount /proc" "mount -t proc /proc /proc && ls -d /proc/1" \
  39         "/proc/1\n" "" ""
  40
  41 # Make sure the last thing in the list is /proc
  42
  43 testing "mount list1" "mount | tail -n 1" "/proc on /proc type proc (rw)\n" \
  44         "" ""
  45
  46
  47 # Create an ext2 image
  48
  49 mkdir -p images/{ext2.dir,vfat.dir,test1,test2,test3}
  50 dd if=/dev/zero of=images/ext2.img bs=1M count=1 2> /dev/null
  51 mkfs.ext2 -F -b 1024 images/ext2.img > /dev/null 2> /dev/null
  52 dd if=/dev/zero of=images/vfat.img bs=1M count=1 2> /dev/null
  53 mkfs.vfat images/vfat.img > /dev/null
  54
  55 # Test mount it
  56
  57 testing "mount vfat image (explicitly autodetect type)" \
  58         "mount -t auto images/vfat.img images/vfat.dir && mount | tail -n 1 | grep -o 'vfat.dir type vfat'" \
  59         "vfat.dir type vfat\n" "" ""
  60 testing "mount ext2 image (autodetect type)" \
  61         "mount images/ext2.img images/ext2.dir 2> /dev/null && mount | tail -n 1" \
  62         "/dev/loop1 on /images/ext2.dir type ext2 (rw)\n" "" ""
  63 testing "mount remount ext2 image noatime" \
  64         "mount -o remount,noatime images/ext2.dir && mount | tail -n 1" \
  65         "/dev/loop1 on /images/ext2.dir type ext2 (rw,noatime)\n" "" ""
  66 testing "mount remount ext2 image ro remembers noatime" \
  67         "mount -o remount,ro images/ext2.dir && mount | tail -n 1" \
  68         "/dev/loop1 on /images/ext2.dir type ext2 (ro,noatime)\n" "" ""
  69
  70 umount -d images/vfat.dir
  71 umount -d images/ext2.dir
  72
  73 testing "mount umount freed loop device" \
  74         "mount images/ext2.img images/ext2.dir && mount | tail -n 1" \
  75         "/dev/loop0 on /images/ext2.dir type ext2 (rw)\n" "" ""
  76
  77 testing "mount block device" \
  78         "mount -t ext2 /dev/loop0 images/test1 && mount | tail -n 1" \
  79         "/dev/loop0 on /images/test1 type ext2 (rw)\n" "" ""
  80
  81 umount -d images/ext2.dir images/test1
  82
  83 testing "mount remount nonexistent directory" \
  84         "mount -o remount,noatime images/ext2.dir 2> /dev/null || echo yes" \
  85         "yes\n" "" ""
  86
  87 # Fun with mount -a
  88
  89 testing "mount -a no fstab" "mount -a 2>/dev/null || echo yes" "yes\n" "" ""
  90
  91 umount /proc
  92
  93 # The first field is space delimited, the rest tabs.
  94
  95 cat > /etc/fstab << FSTAB
  96 /proc             /proc                 proc    defaults        0       0
  97 # Autodetect loop, and provide flags with commas in them.
  98 /images/ext2.img  /images/ext2.dir      ext2    noatime,nodev   0       0
  99 # autodetect filesystem, flags without commas.
 100 /images/vfat.img  /images/vfat.dir      auto    ro              0       0
 101 # A block device
 102 /dev/loop2        /images/test1         auto    defaults        0       0
 103 # tmpfs, filesystem specific flag.
 104 walrus            /images/test2         tmpfs   size=42         0       0
 105 # Autodetect a bind mount.
 106 /images/test2     /images/test3         auto    defaults        0       0
 107 FSTAB
 108
 109 # Put something on loop2.
 110 mknod /dev/loop2 b 7 2
 111 cat images/ext2.img > images/ext2-2.img
 112 losetup /dev/loop2 images/ext2-2.img
 113
 114 testing "mount -a" "mount -a && echo hello > /images/test2/abc && cat /images/test3/abc && (mount | wc -l)" "hello\n8\n" "" ""
 115
 116 testing "umount -a" "umount -a && ls /proc" "" "" ""
 117
 118 #/bin/bash < /dev/tty > /dev/tty 2> /dev/tty
 119 mknod /dev/console c 5 1
 120 /bin/bash < /dev/console > /dev/console 2> /dev/console
 121 EOF
 122
 123 exit 0
 124
 125 # Run some tests
 126
 127 losetup nonexistent device (should return error 2)
 128 losetup unbound loop device (should return error 1)
 129 losetup bind file to loop device
 130 losetup bound loop device (display)  (should return error 0)
 131 losetup filename (error)
 132 losetup nofile (file not found)
 133 losetup -d
 134 losetup bind with offset
 135 losetup -f (print first loop device)
 136 losetup -f filename (associate file with first loop device)
 137 losetup -o (past end of file) -f filename
 138
 139 mount -a
 140   with multiple entries in fstab
 141   with duplicate entries in fstab
 142   with relative paths in fstab
 143   with user entries in fstab
 144 mount -o async,sync,atime,noatime,dev,nodev,exec,noexec,loop,suid,nosuid,remount,ro,rw,bind,move
 145 mount -r
 146 mount -o rw -r
 147 mount -w -o ro
 148 mount -t auto
 149
 150 mount with relative path in fstab
 151 mount block device
 152 mount char device
 153 mount file (autoloop)
 154 mount directory (autobind)
 155
 156
 157 testing "umount with no /proc"
 158 testing "umount curdir"
 159
 160 # The basic tests.  These should work even with the small busybox.
 161
 162 testing "sort" "input" "a\nb\nc\n" "c\na\nb\n" ""
 163 testing "sort #2" "input" "010\n1\n3\n" "3\n1\n010\n" ""
 164 testing "sort stdin" "" "a\nb\nc\n" "" "b\na\nc\n"
 165 testing "sort numeric" "-n input" "1\n3\n010\n" "3\n1\n010\n" ""
 166 testing "sort reverse" "-r input" "wook\nwalrus\npoint\npabst\naargh\n" \
 167         "point\nwook\npabst\naargh\nwalrus\n" ""
 168
 169 optional FEATURE_MOUNT_LOOP
 170 testing "umount -D"
 171
 172 optional FEATURE_MTAB_SUPPORT
 173 optional FEATURE_MOUNT_NFS
 174 # No idea what to test here.
 175
 176 optional UMOUNT
 177 optional FEATURE_UMOUNT_ALL
 178 testing "umount -a"
 179 testing "umount -r"
 180 testing "umount -l"
 181 testing "umount -f"
 182
 183 exit $FAILCOUNT