3f09b8d0af
minus the vendor Makefiles Provide directions for how to bootstrap the vendor sources in FREEBSD-upgrade MFC after 2 weeks Discussed with: rpaulo Sponsored by: EMC / Isilon Storage Division
405 lines
12 KiB
Bash
Executable File
405 lines
12 KiB
Bash
Executable File
# $NetBSD: t_ps.sh,v 1.2 2014/01/16 04:16:32 mlelstv Exp $
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#
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# Copyright (c) 2007 The NetBSD Foundation, Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# the implementation of "ps" to test
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: ${TEST_PS:="ps"}
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# tab and newline characters
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tab="$(printf '\t')"
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# nl="$(printf '\n')" doesn't work
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nl='
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'
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#
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# Parse the "keywords" file into a load of shell variables
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#
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setup_keywords()
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{
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# Set variables representing the header text
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# for all normal keywords (except aliases), and
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# for regular expressions to match the text in left- or
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# right-justified columns.
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# For example, head_text_p_cpu="%CPU" head_regexp_p_cpu=" *%CPU".
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while read keyword heading flag
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do
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case "$keyword" in
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''|\#*) continue
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;;
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esac
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[ x"$flag" = x"ALIAS" ] && continue
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kvar="${keyword}"
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case "${keyword}" in
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%*) kvar="p_${keyword#%}"
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;;
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esac
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eval head_text_${kvar}=\'"${heading}"\'
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case "${flag}" in
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'') # right justified
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eval head_regexp_${kvar}=\'" *${heading}"\'
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;;
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LJUST) # left justified
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eval head_regexp_${kvar}=\'"${heading} *"\'
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;;
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*) atf_fail "unknown flag in keywords"
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;;
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esac
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done <"$(atf_get_srcdir)/keywords"
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# Now do the aliases.
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while read keyword heading flag
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do
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case "$keyword" in
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''|\#*) continue
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;;
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esac
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[ x"$flag" != x"ALIAS" ] && continue
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kvar="${keyword}"
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avar="${heading}"
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case "${keyword}" in
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%*) kvar="p_${keyword#%}"
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;;
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esac
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case "${heading}" in
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%*) avar="p_${heading#%}"
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;;
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esac
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eval head_text_${kvar}=\"\$head_text_${avar}\"
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eval head_regexp_${kvar}=\"\$head_regexp_${avar}\"
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done <"$(atf_get_srcdir)/keywords"
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# default sets of keywords
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default_keywords='pid tty stat time command'
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j_keywords='user pid ppid pgid sess jobc state tt time command'
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l_keywords='uid pid ppid cpu pri nice vsz rss wchan state tt time command'
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s_keywords='uid pid ppid cpu lid nlwp pri nice vsz rss wchan lstate tt ltime command'
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u_keywords='user pid %cpu %mem vsz rss tt state start time command'
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v_keywords='pid state time sl re pagein vsz rss lim tsiz %cpu %mem command'
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}
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# Convert a list of keywords like "pid comm" to a regexp
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# like " *PID COMMAND *"
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heading_keywords_to_regexp()
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{
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local keywords="$1"
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local regexp
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regexp="$(echo "$keywords" | \
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sed -E -e 's/\%/p_/g' -e 's/(^| )/\1\$head_regexp_/g')"
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eval regexp=\""${regexp}"\"
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regexp="^${regexp}\$"
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echo "$regexp"
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}
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#
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# Check that a string matches a regexp; use the specified id
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# in error or success messages.
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#
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check_regexp() {
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local id="$1" string="$2" regexp="$3"
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if ! expr "$string" : "$regexp" >/dev/null
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then
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atf_fail "${id}: expected [${regexp}], got [${string}]"
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false
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fi
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}
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#
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# Run "ps $args -p $$"; check that only one line is printed,
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# without a preceding header line.
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#
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check_no_heading_line()
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{
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local args="$1"
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local output="$(eval "${TEST_PS} $args -p $$")"
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case "$output" in
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*"$nl"*)
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local firstline="${output%%${nl}*}"
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atf_fail "check_no_heading_line [$args] got [$firstline]"
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;;
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*)
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;;
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esac
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}
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#
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# Run "ps $args"; check that the heading matches the expected regexp.
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#
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check_heading_regexp()
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{
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args="$1"
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regexp="$2"
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actual="$( eval "${TEST_PS} $args" | sed -e 1q )"
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check_regexp "heading [$args]" "${actual}" "${regexp}"
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}
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#
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# Run "ps $args"; check that the heading matches a regexp constructed
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# from the specified keywords.
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#
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check_heading_keywords()
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{
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args="$1"
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keywords="$2"
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check_heading_regexp "$args" "$(heading_keywords_to_regexp "$keywords")"
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}
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#
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# Try several variations on "ps $flag", "ps -$flag", etc.,
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# and check that the heading always has the correct keywords.
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#
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check_heading_variations()
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{
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flag="$1"
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keywords="$2"
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for args in "$flag" "-$flag" "-$flag$flag -$flag"; do
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check_heading_keywords "$args" "$keywords"
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done
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}
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atf_test_case default_columns
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default_columns_head()
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{
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atf_set "descr" "Checks that the default set of columns is correct" \
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"and also check that the columns printed by the -j," \
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"-l, -s, -u and -v flags alone are correct"
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}
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default_columns_body()
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{
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setup_keywords
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check_heading_keywords '' "$default_keywords"
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check_heading_variations 'j' "$j_keywords"
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check_heading_variations 'l' "$l_keywords"
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check_heading_variations 's' "$s_keywords"
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check_heading_variations 'u' "$u_keywords"
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check_heading_variations 'v' "$v_keywords"
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}
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atf_test_case minus_O
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minus_O_head()
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{
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atf_set "descr" "Checks that 'ps -O foo' inserts columns just after" \
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"the pid column"
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}
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minus_O_body()
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{
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setup_keywords
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check_heading_keywords '-O %cpu,%mem' \
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"$(echo "${default_keywords}" | sed -e 's/pid/pid %cpu %mem/')"
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check_heading_keywords '-O %cpu -O %mem' \
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"$(echo "${default_keywords}" | sed -e 's/pid/pid %cpu %mem/')"
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check_heading_keywords '-O%cpu -O%mem' \
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"$(echo "${default_keywords}" | sed -e 's/pid/pid %cpu %mem/')"
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}
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atf_test_case minus_o
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minus_o_head()
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{
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atf_set "descr" "Checks simple cases of 'ps -o foo' to control which" \
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"columns are printed; this does not test header" \
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"overriding via 'ps -o foo=BAR'"
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}
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minus_o_body()
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{
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setup_keywords
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# Keywords for "-o name" override the default display
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check_heading_keywords '-o pid,%cpu,%mem' \
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"pid %cpu %mem"
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check_heading_keywords '-o pid -o %cpu,%mem' \
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"pid %cpu %mem"
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check_heading_keywords '-opid -o %cpu,%mem' \
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"pid %cpu %mem"
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# Space works like comma
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check_heading_keywords '-opid -o "%cpu %mem"' \
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"pid %cpu %mem"
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# Check missing pid
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check_heading_keywords '-o comm' \
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"comm"
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# Check pid present but not first
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check_heading_keywords '-o comm,pid' \
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"comm pid"
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}
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atf_test_case override_heading_simple
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override_heading_simple_head()
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{
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atf_set "descr" "Tests simple uses of header overriding via" \
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"'ps -o foo=BAR'. This does not test columns " \
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"with null headings, or headings with embedded" \
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"space, ',' or '='."
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}
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override_heading_simple_body()
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{
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setup_keywords
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check_heading_regexp '-o pid=PPP -o comm' \
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'^ *PPP '"${head_text_comm}"'$' # no trailing space
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check_heading_regexp '-o pid=PPP -o comm=CCC' \
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'^ *PPP CCC$'
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check_heading_regexp '-o pid,comm=CCC' \
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'^'"${head_regexp_pid}"' CCC$'
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check_heading_regexp '-o pid -o comm=CCC' \
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'^'"${head_regexp_pid}"' CCC$'
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# Check missing pid
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check_heading_regexp '-o comm=CCC' \
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'^CCC$'
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# Check pid present but not first
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check_heading_regexp '-o comm=CCC -o pid=PPP' \
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'^CCC *PPP$'
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check_heading_regexp '-o comm,pid=PPP' \
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'^'"${head_regexp_comm}"' *PPP$'
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}
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atf_test_case override_heading_embedded_specials
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override_heading_embedded_specials_head()
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{
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atf_set "descr" "Tests header overriding with embedded space," \
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"',' or '='. Everything after the first '='" \
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"is part of the heading."
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}
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override_heading_embedded_specials_body()
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{
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setup_keywords
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# Check embedded "," or "=" in override header.
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check_heading_regexp '-o comm,pid==' \
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'^'"${head_regexp_comm}"' *=$'
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check_heading_regexp '-o comm,pid=,' \
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'^'"${head_regexp_comm}"' *,$'
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check_heading_regexp '-o pid=PPP,comm' \
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'^ *PPP,comm$' # not like '-o pid=PPP -o comm'
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check_heading_regexp '-o pid=PPP,comm=CCC' \
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'^ *PPP,comm=CCC$' # not like '-o pid=PPP -o comm=CCC'
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check_heading_regexp '-o comm,pid=PPP,QQQ' \
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'^'"${head_regexp_comm}"' *PPP,QQQ$'
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check_heading_regexp '-o comm,pid=ppid,tty=state' \
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'^'"${head_regexp_comm}"' *ppid,tty=state$'
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# Check embedded space or tab in override header.
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check_heading_regexp '-o comm,pid="PPP QQQ"' \
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'^'"${head_regexp_comm}"' *PPP QQQ$'
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check_heading_regexp '-o comm,pid="PPP${tab}QQQ"' \
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'^'"${head_regexp_comm}"' *PPP'"${tab}"'QQQ$'
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}
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atf_test_case override_heading_some_null
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override_heading_some_null_head()
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{
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atf_set "descr" "Tests simple uses of null column headings" \
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"overriding via 'ps -o foo=BAR -o baz='. This" \
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"does not test the case where all columns have" \
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"null headings."
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}
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override_heading_some_null_body()
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{
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setup_keywords
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check_heading_regexp '-o pid=PPP -o comm=' \
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'^ *PPP *$'
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check_heading_regexp '-o pid= -o comm=CCC' \
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'^ * CCC$'
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check_heading_regexp '-o pid -o comm=' \
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'^'"${head_regexp_pid}"' *$'
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# Check missing pid
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check_heading_regexp '-o ppid= -o comm=CCC' \
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'^ * CCC$'
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check_heading_regexp '-o ppid=PPP -o comm=' \
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'^ *PPP *$'
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# Check pid present but not first
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check_heading_regexp '-o comm= -o pid=PPP' \
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'^ * PPP$'
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check_heading_regexp '-o comm,pid=' \
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'^'"${head_regexp_comm}"' *$'
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# A field with a null custom heading retains a minimum width
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# derived from the default heading. This does not apply
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# to a field with a very short (non-null) custom heading.
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#
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# We choose "holdcnt" as a column whose width is likely to be
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# determined entirely by the header width, because the values
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# are likely to be very small.
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check_heading_regexp '-o holdcnt -o holdcnt -o holdcnt' \
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'^HOLDCNT HOLDCNT HOLDCNT$'
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check_heading_regexp '-o holdcnt -o holdcnt= -o holdcnt' \
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'^HOLDCNT HOLDCNT$'
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check_heading_regexp '-o holdcnt -o holdcnt=HH -o holdcnt' \
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'^HOLDCNT HH HOLDCNT$'
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}
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atf_test_case override_heading_all_null
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override_heading_all_null_head()
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{
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atf_set "descr" "Tests the use of 'ps -o foo= -o bar=' (with a" \
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"null heading for every column). The heading" \
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"should not be printed at all in this case."
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}
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override_heading_all_null_body()
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{
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setup_keywords
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# A heading with a space is not a null heading,
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# so should not be suppressed
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check_heading_regexp '-o comm=" "' \
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'^ *$'
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# Null headings should be suppressed
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check_no_heading_line '-o pid= -o comm='
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check_no_heading_line '-o pid= -o comm='
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# Check missing pid
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check_no_heading_line '-o ppid='
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check_no_heading_line '-o comm='
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check_no_heading_line '-o command='
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check_no_heading_line '-o ppid= -o comm='
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check_no_heading_line '-o comm= -o ppid='
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# Check pid present but not first
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check_no_heading_line '-o comm= -o pid='
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check_no_heading_line '-o ppid= -o pid= -o command='
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}
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atf_test_case duplicate_column
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duplicate_column_head()
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{
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atf_set "descr" "Tests the use of -o options to display the" \
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"same column more than once"
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}
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duplicate_column_body()
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{
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setup_keywords
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# two custom headers
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check_heading_regexp '-o pid=PPP -o pid=QQQ' \
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'^ *PPP *QQQ$'
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# one custom header, before and after default header
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check_heading_regexp '-o pid=PPP -o pid' \
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'^ *PPP '"${head_regexp_pid}"'$'
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check_heading_regexp '-o pid -o pid=QQQ' \
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'^'"${head_regexp_pid}"' *QQQ$'
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# custom headers both before and after default header
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check_heading_regexp '-o pid=PPP -o pid -o pid=QQQ' \
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'^ *PPP '"${head_regexp_pid}"' *QQQ$'
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}
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atf_init_test_cases() {
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atf_add_test_case default_columns
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atf_add_test_case minus_O
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atf_add_test_case minus_o
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atf_add_test_case override_heading_simple
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atf_add_test_case override_heading_embedded_specials
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atf_add_test_case override_heading_some_null
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atf_add_test_case override_heading_all_null
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atf_add_test_case duplicate_column
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}
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