# # Copyright 2017 Shivansh Rai # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF # SUCH DAMAGE. # # $FreeBSD: stable/11/bin/ln/tests/ln_test.sh 321092 2017-07-17 21:11:21Z ngie $ # set_umask() { if ! umask 022; then atf_fail "setting umask failed" fi } atf_test_case L_flag L_flag_head() { atf_set "descr" "Verify that when creating a hard link to a " \ "symbolic link, '-L' option creates a hard" \ "link to the target of the symbolic link" } L_flag_body() { set_umask atf_check touch A atf_check ln -s A B atf_check ln -L B C stat_A=$(stat -f %i A) stat_C=$(stat -f %i C) atf_check_equal "$stat_A" "$stat_C" atf_check -o inline:'Symbolic Link\n' stat -f %SHT B atf_check -o inline:'A\n' readlink B } atf_test_case P_flag P_flag_head() { atf_set "descr" "Verify that when creating a hard link to a " \ "symbolic link, '-P' option creates a hard " \ "link to the symbolic link itself" } P_flag_body() { set_umask atf_check touch A atf_check ln -s A B atf_check ln -P B C stat_B=$(stat -f %i B) stat_C=$(stat -f %i C) atf_check_equal "$stat_B" "$stat_C" } atf_test_case f_flag f_flag_head() { atf_set "descr" "Verify that if the target file already exists, " \ "'-f' option unlinks it so that link may occur" } f_flag_body() { set_umask atf_check touch A B atf_check ln -f A B stat_A=$(stat -f %i A) stat_B=$(stat -f %i B) atf_check_equal "$stat_A" "$stat_B" } atf_test_case target_exists_hard target_exists_hard_head() { atf_set "descr" "Verify whether creating a hard link fails if the " \ "target file already exists" } target_exists_hard_body() { set_umask atf_check touch A B atf_check -s exit:1 -e inline:'ln: B: File exists\n' \ ln A B } atf_test_case target_exists_symbolic target_exists_symbolic_head() { atf_set "descr" "Verify whether creating a symbolic link fails if " \ "the target file already exists" } target_exists_symbolic_body() { set_umask atf_check touch A B atf_check -s exit:1 -e inline:'ln: B: File exists\n' \ ln -s A B } atf_test_case shf_flag_dir shf_flag_dir_head() { atf_set "descr" "Verify that if the target directory is a symbolic " \ "link, '-shf' option prevents following the link" } shf_flag_dir_body() { atf_check mkdir -m 0777 A B atf_check ln -s A C atf_check ln -shf B C atf_check -o inline:'Symbolic Link\n' stat -f %SHT C atf_check -o inline:'B\n' readlink C } atf_test_case snf_flag_dir snf_flag_dir_head() { atf_set "descr" "Verify that if the target directory is a symbolic " \ "link, '-snf' option prevents following the link" } snf_flag_dir_body() { atf_check mkdir -m 0777 A B atf_check ln -s A C atf_check ln -snf B C atf_check -o inline:'Symbolic Link\n' stat -f %SHT C atf_check -o inline:'B\n' readlink C } atf_test_case sF_flag sF_flag_head() { atf_set "descr" "Verify that if the target file already exists " \ "and is a directory, then '-sF' option removes " \ "it so that the link may occur" } sF_flag_body() { atf_check mkdir A B atf_check ln -sF A B atf_check -o inline:'Symbolic Link\n' stat -f %SHT B atf_check -o inline:'A\n' readlink B } atf_test_case sf_flag sf_flag_head() { atf_set "descr" "Verify that if the target file already exists, " \ "'-sf' option unlinks it and creates a symbolic link " \ "to the source file" } sf_flag_body() { set_umask atf_check touch A B atf_check ln -sf A B atf_check -o inline:'Symbolic Link\n' stat -f %SHT B atf_check -o inline:'A\n' readlink B } atf_test_case s_flag s_flag_head() { atf_set "descr" "Verify that '-s' option creates a symbolic link" } s_flag_body() { set_umask atf_check touch A atf_check ln -s A B atf_check -o inline:'Symbolic Link\n' stat -f %SHT B atf_check -o inline:'A\n' readlink B } atf_test_case s_flag_broken s_flag_broken_head() { atf_set "descr" "Verify that if the source file does not exists, '-s' " \ "option creates a broken symbolic link to the source file" } s_flag_broken_body() { atf_check ln -s A B atf_check -o inline:'Symbolic Link\n' stat -f %SHT B atf_check -o inline:'A\n' readlink B } atf_test_case sw_flag sw_flag_head() { atf_set "descr" "Verify that '-sw' option produces a warning if the " \ "source of a symbolic link does not currently exist" } sw_flag_body() { atf_check -s exit:0 -e inline:'ln: warning: A: No such file or directory\n' \ ln -sw A B atf_check -o inline:'Symbolic Link\n' stat -f %SHT B atf_check -o inline:'A\n' readlink B } atf_init_test_cases() { atf_add_test_case L_flag atf_add_test_case P_flag atf_add_test_case f_flag atf_add_test_case target_exists_hard atf_add_test_case target_exists_symbolic atf_add_test_case shf_flag_dir atf_add_test_case snf_flag_dir atf_add_test_case sF_flag atf_add_test_case sf_flag atf_add_test_case s_flag atf_add_test_case s_flag_broken atf_add_test_case sw_flag }