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t_symlink.sh revision 1.1 
      1 # $NetBSD: t_symlink.sh,v 1.1 2007/11/12 15:18:27 jmmv Exp $
      2 #
      3 # Copyright (c) 2005, 2006, 2007 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 # 3. All advertising materials mentioning features or use of this software
     15 #    must display the following acknowledgement:
     16 #        This product includes software developed by the NetBSD
     17 #        Foundation, Inc. and its contributors.
     18 # 4. Neither the name of The NetBSD Foundation nor the names of its
     19 #    contributors may be used to endorse or promote products derived
     20 #    from this software without specific prior written permission.
     21 #
     22 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     23 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     24 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     25 # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     26 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     27 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     28 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     29 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     30 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     31 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     32 # POSSIBILITY OF SUCH DAMAGE.
     33 #
     34 
     35 #
     36 # Verifies that the symlink and readlink operations work.
     37 #
     38 
     39 atf_test_case file
     40 file_head() {
     41 	atf_set "descr" "Tests that symlinks to files work"
     42 	atf_set "require.user" "root"
     43 }
     44 file_body() {
     45 	test_mount
     46 
     47 	atf_check 'touch a' 0 null null
     48 	atf_check 'ln -s a b' 0 null null
     49 	[ $(md5 b | cut -d ' ' -f 4) = d41d8cd98f00b204e9800998ecf8427e ] || \
     50 	    atf_fail "Symlink points to an incorrect file"
     51 
     52 	atf_check 'echo foo >a' 0 null null
     53 	[ $(md5 b | cut -d ' ' -f 4) = d3b07384d113edec49eaa6238ad5ff00 ] || \
     54 	    atf_fail "Symlink points to an incorrect file"
     55 
     56 	test_unmount
     57 }
     58 
     59 atf_test_case exec
     60 exec_head() {
     61 	atf_set "descr" "Tests symlinking to a known system binary and" \
     62 	                "executing it through the symlink"
     63 	atf_set "require.user" "root"
     64 }
     65 exec_body() {
     66 	test_mount
     67 
     68 	atf_check 'touch b' 0 null null
     69 	atf_check 'ln -s /bin/cp cp' 0 null null
     70 	atf_check './cp b c' 0 null null
     71 	atf_check 'test -f c' 0 null null
     72 
     73 	test_unmount
     74 }
     75 
     76 atf_test_case dir
     77 dir_head() {
     78 	atf_set "descr" "Tests that symlinks to directories work"
     79 	atf_set "require.user" "root"
     80 }
     81 dir_body() {
     82 	test_mount
     83 
     84 	atf_check 'mkdir d' 0 null null
     85 	atf_check 'test -f d/foo' 1 null null
     86 	atf_check 'test -f e/foo' 1 null null
     87 	atf_check 'ln -s d e' 0 null null
     88 	atf_check 'touch d/foo' 0 null null
     89 	atf_check 'test -f d/foo' 0 null null
     90 	atf_check 'test -f e/foo' 0 null null
     91 
     92 	test_unmount
     93 }
     94 
     95 atf_test_case kqueue
     96 kqueue_head() {
     97 	atf_set "descr" "Tests that creating a symlink raises the" \
     98 	                "appropriate kqueue events"
     99 	atf_set "require.user" "root"
    100 }
    101 kqueue_body() {
    102 	test_mount
    103 
    104 	atf_check 'mkdir dir' 0 null null
    105 	echo 'ln -s non-existent dir/a' | kqueue_monitor 1 dir
    106 	kqueue_check dir NOTE_WRITE
    107 	atf_check 'rm dir/a' 0 null null
    108 	atf_check 'rmdir dir' 0 null null
    109 
    110 	test_unmount
    111 }
    112 
    113 atf_init_test_cases() {
    114 	. $(atf_get_srcdir)/../h_funcs.subr
    115 	. $(atf_get_srcdir)/h_funcs.subr
    116 
    117 	atf_add_test_case file
    118 	atf_add_test_case exec
    119 	atf_add_test_case dir
    120 	atf_add_test_case kqueue
    121 }
    122