tests/fs/tmpfs/t_symlink.sh

   1 # $NetBSD: t_symlink.sh,v 1.2 2008/04/30 13:11:00 martin Exp $
   2 #
   3 # Copyright (c) 2005, 2006, 2007, 2008 The NetBSD Foundation, Inc.
   4 # All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions
   8 # are met:
   9 # 1. Redistributions of source code must retain the above copyright
  10 #    notice, this list of conditions and the following disclaimer.
  11 # 2. Redistributions in binary form must reproduce the above copyright
  12 #    notice, this list of conditions and the following disclaimer in the
  13 #    documentation and/or other materials provided with the distribution.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  16 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  17 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  18 # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  19 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  20 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  21 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  22 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  23 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  24 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  25 # POSSIBILITY OF SUCH DAMAGE.
  26 #
  27
  28 #
  29 # Verifies that the symlink and readlink operations work.
  30 #
  31
  32 atf_test_case file
  33 file_head() {
  34         atf_set "descr" "Tests that symlinks to files work"
  35         atf_set "require.user" "root"
  36 }
  37 file_body() {
  38         test_mount
  39
  40         atf_check -s eq:0 -o empty -e empty touch a
  41         atf_check -s eq:0 -o empty -e empty ln -s a b
  42         [ $(md5 b | cut -d ' ' -f 4) = d41d8cd98f00b204e9800998ecf8427e ] || \
  43             atf_fail "Symlink points to an incorrect file"
  44
  45         atf_check -s eq:0 -o empty -e empty -x 'echo foo >a'
  46         [ $(md5 b | cut -d ' ' -f 4) = d3b07384d113edec49eaa6238ad5ff00 ] || \
  47             atf_fail "Symlink points to an incorrect file"
  48
  49         test_unmount
  50 }
  51
  52 atf_test_case exec
  53 exec_head() {
  54         atf_set "descr" "Tests symlinking to a known system binary and" \
  55                         "executing it through the symlink"
  56         atf_set "require.user" "root"
  57 }
  58 exec_body() {
  59         test_mount
  60
  61         atf_check -s eq:0 -o empty -e empty touch b
  62         atf_check -s eq:0 -o empty -e empty ln -s /bin/cp cp
  63         atf_check -s eq:0 -o empty -e empty ./cp b c
  64         atf_check -s eq:0 -o empty -e empty test -f c
  65
  66         test_unmount
  67 }
  68
  69 atf_test_case dir
  70 dir_head() {
  71         atf_set "descr" "Tests that symlinks to directories work"
  72         atf_set "require.user" "root"
  73 }
  74 dir_body() {
  75         test_mount
  76
  77         atf_check -s eq:0 -o empty -e empty mkdir d
  78         atf_check -s eq:1 -o empty -e empty test -f d/foo
  79         atf_check -s eq:1 -o empty -e empty test -f e/foo
  80         atf_check -s eq:0 -o empty -e empty ln -s d e
  81         atf_check -s eq:0 -o empty -e empty touch d/foo
  82         atf_check -s eq:0 -o empty -e empty test -f d/foo
  83         atf_check -s eq:0 -o empty -e empty test -f e/foo
  84
  85         test_unmount
  86 }
  87
  88 atf_test_case kqueue
  89 kqueue_head() {
  90         atf_set "descr" "Tests that creating a symlink raises the" \
  91                         "appropriate kqueue events"
  92         atf_set "require.user" "root"
  93 }
  94 kqueue_body() {
  95         test_mount
  96
  97         atf_check -s eq:0 -o empty -e empty mkdir dir
  98         echo 'ln -s non-existent dir/a' | kqueue_monitor 1 dir
  99         kqueue_check dir NOTE_WRITE
 100         atf_check -s eq:0 -o empty -e empty rm dir/a
 101         atf_check -s eq:0 -o empty -e empty rmdir dir
 102
 103         test_unmount
 104 }
 105
 106 atf_init_test_cases() {
 107         . $(atf_get_srcdir)/../h_funcs.subr
 108         . $(atf_get_srcdir)/h_funcs.subr
 109
 110         atf_add_test_case file
 111         atf_add_test_case exec
 112         atf_add_test_case dir
 113         atf_add_test_case kqueue
 114 }