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t_symlink.sh revision 1.4 
      1 # $NetBSD: t_symlink.sh,v 1.4 2010/06/04 08:39:40 jmmv 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 	atf_set "use.fs" "true"
     37 }
     38 file_body() {
     39 	test_mount
     40 
     41 	atf_check -s eq:0 -o empty -e empty touch a
     42 	atf_check -s eq:0 -o empty -e empty ln -s a b
     43 	[ $(md5 b | cut -d ' ' -f 4) = d41d8cd98f00b204e9800998ecf8427e ] || \
     44 	    atf_fail "Symlink points to an incorrect file"
     45 
     46 	atf_check -s eq:0 -o empty -e empty -x 'echo foo >a'
     47 	[ $(md5 b | cut -d ' ' -f 4) = d3b07384d113edec49eaa6238ad5ff00 ] || \
     48 	    atf_fail "Symlink points to an incorrect file"
     49 
     50 	test_unmount
     51 }
     52 
     53 atf_test_case exec
     54 exec_head() {
     55 	atf_set "descr" "Tests symlinking to a known system binary and" \
     56 	                "executing it through the symlink"
     57 	atf_set "require.user" "root"
     58 	atf_set "use.fs" "true"
     59 }
     60 exec_body() {
     61 	test_mount
     62 
     63 	atf_check -s eq:0 -o empty -e empty touch b
     64 	atf_check -s eq:0 -o empty -e empty ln -s /bin/cp cp
     65 	atf_check -s eq:0 -o empty -e empty ./cp b c
     66 	atf_check -s eq:0 -o empty -e empty test -f c
     67 
     68 	test_unmount
     69 }
     70 
     71 atf_test_case dir
     72 dir_head() {
     73 	atf_set "descr" "Tests that symlinks to directories work"
     74 	atf_set "require.user" "root"
     75 	atf_set "use.fs" "true"
     76 }
     77 dir_body() {
     78 	test_mount
     79 
     80 	atf_check -s eq:0 -o empty -e empty mkdir d
     81 	atf_check -s eq:1 -o empty -e empty test -f d/foo
     82 	atf_check -s eq:1 -o empty -e empty test -f e/foo
     83 	atf_check -s eq:0 -o empty -e empty ln -s d e
     84 	atf_check -s eq:0 -o empty -e empty touch d/foo
     85 	atf_check -s eq:0 -o empty -e empty test -f d/foo
     86 	atf_check -s eq:0 -o empty -e empty test -f e/foo
     87 
     88 	test_unmount
     89 }
     90 
     91 atf_test_case kqueue
     92 kqueue_head() {
     93 	atf_set "descr" "Tests that creating a symlink raises the" \
     94 	                "appropriate kqueue events"
     95 	atf_set "require.user" "root"
     96 	atf_set "use.fs" "true"
     97 }
     98 kqueue_body() {
     99 	test_mount
    100 
    101 	atf_check -s eq:0 -o empty -e empty mkdir dir
    102 	echo 'ln -s non-existent dir/a' | kqueue_monitor 1 dir
    103 	kqueue_check dir NOTE_WRITE
    104 	atf_check -s eq:0 -o empty -e empty rm dir/a
    105 	atf_check -s eq:0 -o empty -e empty rmdir dir
    106 
    107 	test_unmount
    108 }
    109 
    110 atf_init_test_cases() {
    111 	. $(atf_get_srcdir)/../h_funcs.subr
    112 	. $(atf_get_srcdir)/h_funcs.subr
    113 
    114 	atf_add_test_case file
    115 	atf_add_test_case exec
    116 	atf_add_test_case dir
    117 	atf_add_test_case kqueue
    118 }
    119