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|
# $NetBSD: t_option.sh,v 1.9 2022/05/22 11:27:36 andvar Exp $
#
# Copyright (c) 2016 The NetBSD Foundation, Inc.
# 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
#
# the implementation of "sh" to test
: ${TEST_SH:="/bin/sh"}
# The standard
# http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html
# says:
# ...[lots]
test_option_on_off()
{
atf_require_prog tr
for opt
do
# t is needed, as inside $()` $- appears to lose
# the 'e' option if it happened to already be
# set. Must check if that is what should
# happen, but that is a different issue.
test -z "${opt}" && continue
# if we are playing with more that one option at a
# time, the code below requires that we start with no
# options set, or it will mis-diagnose the situation
CLEAR=''
test "${#opt}" -gt 1 &&
CLEAR='xx="$-" && xx=$(echo "$xx" | tr -d cs) && test -n "$xx" && set +"$xx";'
atf_check -s exit:0 -o empty -e empty ${TEST_SH} -c \
"opt=${opt}"'
x() {
echo "ERROR: Unable to $1 option $2" >&2
exit 1
}
s() {
set -"$1"
t="$-"
x=$(echo "$t" | tr -d "$1")
test "$t" = "$x" && x set "$1"
return 0
}
c() {
set +"$1"
t="$-"
x=$(echo "$t" | tr -d "$1")
test "$t" != "$x" && x clear "$1"
return 0
}
'"${CLEAR}"'
# if we do not do this, -x tracing splatters stderr
# for some shells, -v does as well (is that correct?)
case "${opt}" in
(*[xXv]*) exec 2>/dev/null;;
esac
o="$-"
x=$(echo "$o" | tr -d "$opt")
if [ "$o" = "$x" ]; then # option was off
s "${opt}"
c "${opt}"
else
c "${opt}"
s "${opt}"
fi
'
done
}
test_optional_on_off()
{
RET=0
OPTS=
for opt
do
test "${opt}" = n && continue
${TEST_SH} -c "set -${opt}" 2>/dev/null &&
OPTS="${OPTS} ${opt}" || RET=1
done
test -n "${OPTS}" && test_option_on_off ${OPTS}
return "${RET}"
}
atf_test_case set_a
set_a_head() {
atf_set "descr" "Tests that 'set -a' turns on all var export " \
"and that it behaves as defined by the standard"
}
set_a_body() {
atf_require_prog env
atf_require_prog grep
test_option_on_off a
# without -a, new variables should not be exported (so grep "fails")
atf_check -s exit:1 -o empty -e empty ${TEST_SH} -ce \
'unset VAR; set +a; VAR=value; env | grep "^VAR="'
# with -a, they should be
atf_check -s exit:0 -o match:VAR=value -e empty ${TEST_SH} -ce \
'unset VAR; set -a; VAR=value; env | grep "^VAR="'
}
atf_test_case set_C
set_C_head() {
atf_set "descr" "Tests that 'set -C' turns on no clobber mode " \
"and that it behaves as defined by the standard"
}
set_C_body() {
atf_require_prog ls
test_option_on_off C
# Check that the environment to use for the tests is sane ...
# we assume current dir is a new tempory directory & is empty
test -z "$(ls)" || atf_skip "Test execution directory not clean"
test -c "/dev/null" || atf_skip "Problem with /dev/null"
echo Dummy_Content > Junk_File
echo Precious_Content > Important_File
# Check that we can redirect onto file when -C is not set
atf_check -s exit:0 -o empty -e empty ${TEST_SH} -c \
'
D=$(ls -l Junk_File) || exit 1
set +C
echo "Overwrite it now" > Junk_File
A=$(ls -l Junk_File) || exit 1
test "${A}" != "${D}"
'
# Check that we cannot redirect onto file when -C is set
atf_check -s exit:0 -o empty -e not-empty ${TEST_SH} -c \
'
D=$(ls -l Important_File) || exit 1
set -C
echo "Fail to Overwrite it now" > Important_File
A=$(ls -l Important_File) || exit 1
test "${A}" = "${D}"
'
# Check that we can append to file, even when -C is set
atf_check -s exit:0 -o empty -e empty ${TEST_SH} -c \
'
D=$(ls -l Junk_File) || exit 1
set -C
echo "Append to it now" >> Junk_File
A=$(ls -l Junk_File) || exit 1
test "${A}" != "${D}"
'
# Check that we abort on attempt to redirect onto file when -Ce is set
atf_check -s not-exit:0 -o empty -e not-empty ${TEST_SH} -c \
'
set -Ce
echo "Fail to Overwrite it now" > Important_File
echo "Should not reach this point"
'
# Last check that we can override -C for when we really need to
atf_check -s exit:0 -o empty -e empty ${TEST_SH} -c \
'
D=$(ls -l Junk_File) || exit 1
set -C
echo "Change the poor bugger again" >| Junk_File
A=$(ls -l Junk_File) || exit 1
test "${A}" != "${D}"
'
}
atf_test_case set_e
set_e_head() {
atf_set "descr" "Tests that 'set -e' turns on error detection " \
"and that a simple case behaves as defined by the standard"
}
set_e_body() {
test_option_on_off e
# Check that -e does nothing if no commands fail
atf_check -s exit:0 -o match:I_am_OK -e empty \
${TEST_SH} -c \
'false; printf "%s" I_am; set -e; true; printf "%s\n" _OK'
# and that it (silently, but with exit status) aborts if cmd fails
atf_check -s not-exit:0 -o match:I_am -o not-match:Broken -e empty \
${TEST_SH} -c \
'false; printf "%s" I_am; set -e; false; printf "%s\n" _Broken'
# same, except -e this time is on from the beginning
atf_check -s not-exit:0 -o match:I_am -o not-match:Broken -e empty \
${TEST_SH} -ec 'printf "%s" I_am; false; printf "%s\n" _Broken'
# More checking of -e in other places, there is lots to deal with.
}
atf_test_case set_f
set_f_head() {
atf_set "descr" "Tests that 'set -f' turns off pathname expansion " \
"and that it behaves as defined by the standard"
}
set_f_body() {
atf_require_prog ls
test_option_on_off f
# Check that the environment to use for the tests is sane ...
# we assume current dir is a new tempory directory & is empty
test -z "$(ls)" || atf_skip "Test execution directory not clean"
# we will assume that atf will clean up this junk directory
# when we are done. But for testing pathname expansion
# we need files
for f in a b c d e f aa ab ac ad ae aaa aab aac aad aba abc bbb ccc
do
echo "$f" > "$f"
done
atf_check -s exit:0 -o empty -e empty ${TEST_SH} -ec \
'X=$(echo b*); Y=$(echo b*); test "${X}" != "a*";
test "${X}" = "${Y}"'
# now test expansion is different when -f is set
atf_check -s exit:0 -o empty -e empty ${TEST_SH} -ec \
'X=$(echo b*); Y=$(set -f; echo b*); test "${X}" != "${Y}"'
}
atf_test_case set_n
set_n_head() {
atf_set "descr" "Tests that 'set -n' suppresses command execution " \
"and that it behaves as defined by the standard"
}
set_n_body() {
# pointless to test this, if it turns on, it stays on...
# test_option_on_off n
# so just allow the tests below to verify it can be turned on
# nothing should be executed, hence no output...
atf_check -s exit:0 -o empty -e empty \
${TEST_SH} -enc 'echo ABANDON HOPE; echo ALL YE; echo ...'
# this is true even when the "commands" do not exist
atf_check -s exit:0 -o empty -e empty \
${TEST_SH} -enc 'ERR; FAIL; ABANDON HOPE'
# but if there is a syntax error, it should be detected (w or w/o -e)
atf_check -s not-exit:0 -o empty -e not-empty \
${TEST_SH} -enc 'echo JUMP; for frogs swim; echo in puddles'
atf_check -s not-exit:0 -o empty -e not-empty \
${TEST_SH} -nc 'echo ABANDON HOPE; echo "ALL YE; echo ...'
atf_check -s not-exit:0 -o empty -e not-empty \
${TEST_SH} -enc 'echo ABANDON HOPE;; echo ALL YE; echo ...'
atf_check -s not-exit:0 -o empty -e not-empty \
${TEST_SH} -nc 'do YOU ABANDON HOPE; for all eternity?'
# now test enabling -n in the middle of a script
# note that once turned on, it cannot be turned off again.
#
# omit more complex cases, as those can send some shells
# into infinite loops, and believe it or not, that might be OK!
atf_check -s exit:0 -o match:first -o not-match:second -e empty \
${TEST_SH} -c 'echo first; set -n; echo second'
atf_check -s exit:0 -o match:first -o not-match:third -e empty \
${TEST_SH} -c 'echo first; set -n; echo second; set +n; echo third'
atf_check -s exit:0 -o inline:'a\nb\n' -e empty \
${TEST_SH} -c 'for x in a b c d
do
case "$x" in
a);; b);; c) set -n;; d);;
esac
printf "%s\n" "$x"
done'
# This last one is a bit more complex to explain, so I will not try
# First, we need to know what signal number is used for SIGUSR1 on
# the local (testing) system (signal number is $(( $XIT - 128 )) )
# this will take slightly over 1 second elapsed time (the sleep 1)
# The "10" for the first sleep just needs to be something big enough
# that the rest of the commands have time to complete, even on
# very slow testing systems. 10 should be enough. Otherwise irrelevant
# The shell will usually blather to stderr about the sleep 10 being
# killed, but it affects nothing, so just allow it to cry.
(sleep 10 & sleep 1; kill -USR1 $!; wait $!)
XIT="$?"
# The exit value should be an integer > 128 and < 256 (often 158)
# If it is not just skip the test
# If we do run the test, it should take (slightly over) either 1 or 2
# seconds to complete, depending upon the shell being tested.
case "${XIT}" in
( 129 | 1[3-9][0-9] | 2[0-4][0-9] | 25[0-5] )
# The script below should exit with the same code - no output
# Or that is the result that seems best explanable.
# "set -n" in uses like this is not exactly well defined...
# This script comes from a member of the austin group
# (they author changes to the posix shell spec - and more.)
# The author is also an (occasional?) NetBSD user.
atf_check -s exit:${XIT} -o empty -e empty ${TEST_SH} -c '
trap "set -n" USR1
{ sleep 1; kill -USR1 $$; sleep 1; } &
false
wait && echo t || echo f
wait
echo foo
'
;;
esac
}
atf_test_case set_u
set_u_head() {
atf_set "descr" "Tests that 'set -u' turns on unset var detection " \
"and that it behaves as defined by the standard"
}
set_u_body() {
test_option_on_off u
unset ENV # make sure there is nothing there to cause problems
# first make sure it is OK to unset an unset variable
atf_check -s exit:0 -o match:OK -e empty ${TEST_SH} -ce \
'unset _UNSET_VARIABLE_; echo OK'
# even if -u is set
atf_check -s exit:0 -o match:OK -e empty ${TEST_SH} -cue \
'unset _UNSET_VARIABLE_; echo OK'
# and that without -u accessing an unset variable is harmless
atf_check -s exit:0 -o match:OK -e empty ${TEST_SH} -ce \
'unset X; echo ${X}; echo OK'
# and that the unset variable test expansion works properly
atf_check -s exit:0 -o match:OKOK -e empty ${TEST_SH} -ce \
'unset X; printf "%s" ${X-OK}; echo OK'
# Next test that with -u set, the shell aborts on access to unset var
# do not use -e, want to make sure it is -u that causes abort
atf_check -s not-exit:0 -o not-match:ERR -e not-empty ${TEST_SH} -c \
'unset X; set -u; echo ${X}; echo ERR'
# quoting should make no difference...
atf_check -s not-exit:0 -o not-match:ERR -e not-empty ${TEST_SH} -c \
'unset X; set -u; echo "${X}"; echo ERR'
# Now a bunch of accesses to unset vars, with -u, in ways that are OK
atf_check -s exit:0 -o match:OK -e empty ${TEST_SH} -ce \
'unset X; set -u; echo ${X-GOOD}; echo OK'
atf_check -s exit:0 -o match:OK -e empty ${TEST_SH} -ce \
'unset X; set -u; echo ${X-OK}'
atf_check -s exit:0 -o not-match:ERR -o match:OK -e empty \
${TEST_SH} -ce 'unset X; set -u; echo ${X+ERR}; echo OK'
# and some more ways that are not OK
atf_check -s not-exit:0 -o not-match:ERR -e not-empty ${TEST_SH} -c \
'unset X; set -u; echo ${X#foo}; echo ERR'
atf_check -s not-exit:0 -o not-match:ERR -e not-empty ${TEST_SH} -c \
'unset X; set -u; echo ${X%%bar}; echo ERR'
# lastly, just while we are checking unset vars, test aborts w/o -u
atf_check -s not-exit:0 -o not-match:ERR -e not-empty ${TEST_SH} -c \
'unset X; echo ${X?}; echo ERR'
atf_check -s not-exit:0 -o not-match:ERR -e match:X_NOT_SET \
${TEST_SH} -c 'unset X; echo ${X?X_NOT_SET}; echo ERR'
}
atf_test_case set_v
set_v_head() {
atf_set "descr" "Tests that 'set -v' turns on input read echoing " \
"and that it behaves as defined by the standard"
}
set_v_body() {
test_option_on_off v
# check that -v does nothing if no later input line is read
atf_check -s exit:0 \
-o match:OKOK -o not-match:echo -o not-match:printf \
-e empty \
${TEST_SH} -ec 'printf "%s" OK; set -v; echo OK; exit 0'
# but that it does when there are multiple lines
cat <<- 'EOF' |
set -v
printf %s OK
echo OK
exit 0
EOF
atf_check -s exit:0 \
-o match:OKOK -o not-match:echo -o not-match:printf \
-e match:printf -e match:OK -e match:echo \
-e not-match:set ${TEST_SH}
# and that it can be disabled again
cat <<- 'EOF' |
set -v
printf %s OK
set +v
echo OK
exit 0
EOF
atf_check -s exit:0 \
-o match:OKOK -o not-match:echo -o not-match:printf \
-e match:printf -e match:OK -e not-match:echo \
${TEST_SH}
# and lastly, that shell keywords do get output when "read"
cat <<- 'EOF' |
set -v
for i in 111 222 333
do
printf %s $i
done
exit 0
EOF
atf_check -s exit:0 \
-o match:111222333 -o not-match:printf \
-o not-match:for -o not-match:do -o not-match:done \
-e match:printf -e match:111 -e not-match:111222 \
-e match:for -e match:do -e match:done \
${TEST_SH} ||
atf_fail '111 222 333 test failure'
}
atf_test_case set_x
set_x_head() {
atf_set "descr" "Tests that 'set -x' turns on command exec logging " \
"and that it behaves as defined by the standard"
}
set_x_body() {
test_option_on_off x
# check that cmd output appears after -x is enabled
atf_check -s exit:0 \
-o match:OKOK -o not-match:echo -o not-match:printf \
-e not-match:printf -e match:OK -e match:echo \
${TEST_SH} -ec 'printf "%s" OK; set -x; echo OK; exit 0'
# and that it stops again afer -x is disabled
atf_check -s exit:0 \
-o match:OKOK -o not-match:echo -o not-match:printf \
-e match:printf -e match:OK -e not-match:echo \
${TEST_SH} -ec 'set -x; printf "%s" OK; set +x; echo OK; exit 0'
# also check that PS4 is output correctly
atf_check -s exit:0 \
-o match:OK -o not-match:echo \
-e match:OK -e match:Run:echo \
${TEST_SH} -ec 'PS4=Run:; set -x; echo OK; exit 0'
return 0
# This one seems controversial... I suspect it is NetBSD's sh
# that is wrong to not output "for" "while" "if" ... etc
# and lastly, that shell keywords do not get output when "executed"
atf_check -s exit:0 \
-o match:111222333 -o not-match:printf \
-o not-match:for \
-e match:printf -e match:111 -e not-match:111222 \
-e not-match:for -e not-match:do -e not-match:done \
${TEST_SH} -ec \
'set -x; for i in 111 222 333; do printf "%s" $i; done; echo; exit 0'
}
atf_test_case set_X
set_X_head() {
atf_set "descr" "Tests that 'set -X' turns on command exec logging " \
"and that it enables set -x and retains a single fd"
}
set_X_body() {
# First we need to verify that $TEST_SH supports -X
test_optional_on_off X ||
atf_skip "$TEST_SH does not support -X"
# and that the -X it implements is the -X we expect
$TEST_SH -c 'exec 2>/dev/null;
set +x; set -X;
case "$-" in (*x*) exit 0;; esac;
exit 1' ||
atf_skip "$TEST_SH supports -X but not 'the' -X"
# Above has already tested that set -X => set -x
# Now test that set +X => set +x
# and that set -x and set +x do not affect -X
atf_check -s exit:0 -o empty -e ignore ${TEST_SH} -c \
'set -x; set +X; case "$-" in (*x*) echo FAIL; exit 1;; esac'
atf_check -s exit:0 -o empty -e ignore ${TEST_SH} -c \
'set -X; set +x;
case "$-" in (*x*) echo FAIL; exit 1;; esac
case "$-" in (*X*) exit 0;; esac; echo ERROR; exit 2'
atf_check -s exit:0 -o empty -e ignore ${TEST_SH} -c \
'set -X; set +x; set -x;
case "$-" in (*x*X*|*X*x*) exit 0;; esac; echo ERROR; exit 2'
atf_check -s exit:0 -o empty -e ignore ${TEST_SH} -c \
'set +X; set -x;
case "$-" in (*X*) echo FAIL; exit 1;; esac
case "$-" in (*x*) exit 0;; esac; echo ERROR; exit 2'
atf_check -s exit:0 -o empty -e ignore ${TEST_SH} -c \
'set +X; set -x; set +x;
case "$-" in (*[xX]*) echo FAULT; exit 3;; esac'
# The following just verify regular tracing using -X instead of -x
# These are the same tests as the -x test (set_x) performs.
# check that cmd output appears after -X is enabled
atf_check -s exit:0 \
-o match:OKOK -o not-match:echo -o not-match:printf \
-e not-match:printf -e match:OK -e match:echo \
${TEST_SH} -ec 'printf "%s" OK; set -X; echo OK; exit 0'
# and that it stops again afer -X is disabled
atf_check -s exit:0 \
-o match:OKOK -o not-match:echo -o not-match:printf \
-e match:printf -e match:OK -e not-match:echo \
${TEST_SH} -ec 'set -X; printf "%s" OK; set +X; echo OK; exit 0'
# also check that PS4 is output correctly
atf_check -s exit:0 \
-o match:OK -o not-match:echo \
-e match:OK -e match:Run:echo \
${TEST_SH} -ec 'PS4=Run:; set -X; echo OK; exit 0'
# end copies of -x tests ...
# now check that we can move stderr around without affecting -X output
atf_check -s exit:0 \
-o match:OKOK -o not-match:echo -o not-match:printf \
-e match:printf -e match:OK -e match:echo \
${TEST_SH} -ecX 'printf "%s" OK; exec 2>/dev/null; echo OK'
atf_check -s exit:0 \
-o match:OKOK -o not-match:echo -o not-match:printf \
-e match:printf -e match:OK -e match:echo \
${TEST_SH} -ecX 'printf "%s" OK; exec 2>&1; echo OK'
atf_check -s exit:0 \
-o match:OKOK -o not-match:echo -o not-match:printf \
-e match:printf -e match:OK -e match:echo \
${TEST_SH} -ecX 'printf "%s" OK; exec 2>&-; echo OK'
# and that we can put tracing on an external file, leaving stderr alone
atf_require_prog grep
rm -f X-trace
atf_check -s exit:0 \
-o match:OKOK -o not-match:echo -o not-match:printf \
-e empty \
${TEST_SH} -ec 'PS4=; set -X 2>X-trace; printf "%s" OK; echo OK'
test -s X-trace || atf_fail "T1: Failed to create trace output file"
grep >/dev/null 2>&1 'printf.*%s.*OK' X-trace ||
atf_fail "T1: -X tracing missing printf"
grep >/dev/null 2>&1 'echo.*OK' X-trace ||
atf_fail "T1: -X tracing missing echo"
rm -f X-trace
atf_check -s exit:0 \
-o match:OKOK -o not-match:echo -o not-match:printf \
-e empty \
${TEST_SH} -ec \
'PS4=; set -X 2>X-trace;
printf "%s" OK;
exec 2>/dev/null;
echo OK'
test -s X-trace || atf_fail "T2: Failed to create trace output file"
grep >/dev/null 2>&1 'printf.*%s.*OK' X-trace ||
atf_fail "T2: -X tracing missing printf"
grep >/dev/null 2>&1 'exec' X-trace ||
atf_fail "T2: -X tracing missing exec"
grep >/dev/null 2>&1 'echo.*OK' X-trace ||
atf_fail "T2: -X tracing missing echo after stderr redirect"
rm -f X-trace
atf_check -s exit:0 \
-o match:OKOK -o not-match:echo -o not-match:printf \
-e empty \
${TEST_SH} -ec \
'PS4=; set -X 2>X-trace;
printf "%s" OK;
set -X 2>/dev/null;
echo OK'
test -s X-trace || atf_fail "T3: Failed to create trace output file"
grep >/dev/null 2>&1 'printf.*%s.*OK' X-trace ||
atf_fail "T3: -X tracing missing printf"
grep >/dev/null 2>&1 'set.*-X' X-trace ||
atf_fail "T3: -X tracing missing set -X"
grep >/dev/null 2>&1 'echo.*OK' X-trace &&
atf_fail "T3: -X tracing included echo after set -X redirect"
rm -f X-trace
atf_check -s exit:0 \
-o match:OKOK -o not-match:echo -o not-match:printf \
-e match:echo -e match:OK -e not-match:printf \
${TEST_SH} -ec \
'PS4=; set -X 2>X-trace;
printf "%s" OK;
set -X;
echo OK'
test -s X-trace || atf_fail "T4: Failed to create trace output file"
grep >/dev/null 2>&1 'printf.*%s.*OK' X-trace ||
atf_fail "T4: -X tracing missing printf"
grep >/dev/null 2>&1 'set.*-X' X-trace ||
atf_fail "T4: -X tracing missing set -X"
grep >/dev/null 2>&1 'echo.*OK' X-trace &&
atf_fail "T4: -X tracing included echo after set -X redirect"
# Now check that -X and the tracing files work properly wrt functions
# a shell that supports -X should support "local -" ... but verify
( ${TEST_SH} -c 'fn() { local - || exit 2; set -f; }; set +f; fn;
case "$-" in ("*f*") exit 1;; esac; exit 0' ) 2>/dev/null ||
atf_skip "-X function test: 'local -' unsupported"
rm -f X-trace X-trace-fn
atf_check -s exit:0 \
-o match:OKhelloGOOD \
-e empty \
${TEST_SH} -c '
say() {
printf "%s" "$*"
}
funct() {
local -
set -X 2>X-trace-fn
say hello
}
set -X 2>X-trace
printf OK
funct
echo GOOD
'
test -s X-trace || atf_fail "T5: Failed to create trace output file"
test -s X-trace-fn || atf_fail "T5: Failed to create fn trace output"
grep >/dev/null 2>&1 'printf.*OK' X-trace ||
atf_fail "T5: -X tracing missing printf"
grep >/dev/null 2>&1 funct X-trace ||
atf_fail "T5: -X tracing missing funct"
grep >/dev/null 2>&1 'set.*-X' X-trace ||
atf_fail "T5: -X tracing missing set -X from in funct"
grep >/dev/null 2>&1 'echo.*GOOD' X-trace ||
atf_fail "T5: -X tracing missing echo after funct redirect"
grep >/dev/null 2>&1 'say.*hello' X-trace &&
atf_fail "T5: -X tracing included 'say' after funct redirect"
grep >/dev/null 2>&1 'say.*hello' X-trace-fn ||
atf_fail "T5: -X funct tracing missed 'say'"
rm -f X-trace X-trace-fn
atf_check -s exit:0 \
-o match:OKhelloGOOD \
-e empty \
${TEST_SH} -c '
say() {
printf "%s" "$*"
}
funct() {
local -
set +X
say hello
}
set -X 2>X-trace
printf OK
funct
echo GOOD
'
test -s X-trace || atf_fail "T6: Failed to create trace output file"
grep >/dev/null 2>&1 'printf.*OK' X-trace ||
atf_fail "T6: -X tracing missing printf"
grep >/dev/null 2>&1 funct X-trace ||
atf_fail "T6: -X tracing missing funct"
grep >/dev/null 2>&1 'set.*+X' X-trace ||
atf_fail "T6: -X tracing missing set +X from in funct"
grep >/dev/null 2>&1 'echo.*GOOD' X-trace ||
atf_fail "T6: -X tracing missing echo after funct redirect"
grep >/dev/null 2>&1 'say.*hello' X-trace &&
atf_fail "T6: -X tracing included 'say' after funct redirect"
rm -f X-trace
atf_check -s exit:0 \
-o match:OKtracednotraceGOOD \
-e match:say -e match:traced -e not-match:notrace \
${TEST_SH} -c '
say() {
printf "%s" "$*"
}
funct() {
local -
set +X -x
say traced
exec 2>/dev/null
say notrace
}
set -X 2>X-trace
printf OK
funct
echo GOOD
'
test -s X-trace || atf_fail "T7: Failed to create trace output file"
grep >/dev/null 2>&1 'printf.*OK' X-trace ||
atf_fail "T7: -X tracing missing printf"
grep >/dev/null 2>&1 funct X-trace ||
atf_fail "T7: -X tracing missing funct"
grep >/dev/null 2>&1 'set.*+X.*-x' X-trace ||
atf_fail "T7: -X tracing missing set +X -x from in funct"
grep >/dev/null 2>&1 'echo.*GOOD' X-trace ||
atf_fail "T7: -X tracing missing echo after funct +X"
grep >/dev/null 2>&1 'say.*hello' X-trace &&
atf_fail "T7: -X tracing included 'say' after funct +X"
rm -f X-trace X-trace-fn
atf_check -s exit:0 \
-o "match:OKg'daybye-bye.*hello.*GOOD" \
-e empty \
${TEST_SH} -c '
say() {
printf "%s" "$*"
}
fn1() {
local -
set -X 2>>X-trace-fn
say "g'\''day"
"$@"
say bye-bye
}
fn2() {
set +X
say hello
"$@"
say goodbye
}
set -X 2>X-trace
printf OK
fn1
fn1 fn2
fn1 fn1 fn2
fn1 fn2 fn1 fn2 fn1
fn1 fn1 fn2 fn2 fn1
echo GOOD
'
# That test generally succeeds if the earlier ones did
# and if it did not dump core!
# But we can check a few things...
test -s X-trace || atf_fail "T8: Failed to create trace output file"
test -s X-trace-fn || atf_fail "T8: Failed to create trace output file"
grep >/dev/null 2>&1 'printf.*OK' X-trace ||
atf_fail "T8: -X tracing missing printf"
grep >/dev/null 2>&1 fn1 X-trace ||
atf_fail "T8: -X tracing missing fn1"
grep >/dev/null 2>&1 'set.*-X' X-trace ||
atf_fail "T8: -X tracing missing set -X from in fn1"
grep >/dev/null 2>&1 'echo.*GOOD' X-trace ||
atf_fail "T8: -X tracing missing echo after fn1 redirect"
grep >/dev/null 2>&1 'say.*hello' X-trace &&
atf_fail "T8: -X tracing included 'say' after fn2 +X"
grep >/dev/null 2>&1 'say.*hello' X-trace-fn &&
atf_fail "T8: -X fn tracing included 'say' after fn2 +X"
rm -f X-trace
return 0
}
opt_test_setup()
{
test -n "$1" || { echo >&2 "Internal error"; exit 1; }
cat > "$1" << 'END_OF_FUNCTIONS'
local_opt_check()
{
local -
}
instr()
{
expr "$2" : "\(.*$1\)" >/dev/null
}
save_opts()
{
local -
set -e
set -u
instr e "$-" && instr u "$-" && return 0
echo ERR
}
fiddle_opts()
{
set -e
set -u
instr e "$-" && instr u "$-" && return 0
echo ERR
}
local_test()
{
set +eu
save_opts
instr '[eu]' "$-" || printf %s "OK"
fiddle_opts
instr e "$-" && instr u "$-" && printf %s "OK"
set +eu
}
END_OF_FUNCTIONS
}
atf_test_case restore_local_opts
restore_local_opts_head() {
atf_set "descr" "Tests that 'local -' saves and restores options. " \
"Note that "local" is a local shell addition"
}
restore_local_opts_body() {
atf_require_prog cat
atf_require_prog expr
FN="test-funcs.$$"
opt_test_setup "${FN}" || atf_skip "Cannot setup test environment"
${TEST_SH} -ec ". './${FN}'; local_opt_check" 2>/dev/null ||
atf_skip "sh extension 'local -' not supported by ${TEST_SH}"
atf_check -s exit:0 -o match:OKOK -o not-match:ERR -e empty \
${TEST_SH} -ec ". './${FN}'; local_test"
}
atf_test_case vi_emacs_VE_toggle
vi_emacs_VE_toggle_head() {
atf_set "descr" "Tests enabling vi disables emacs (and v.v - but why?)"\
" Note that -V and -E are local shell additions"
}
vi_emacs_VE_toggle_body() {
test_optional_on_off V E ||
atf_skip "One or both V & E opts unsupported by ${TEST_SH}"
atf_check -s exit:0 -o empty -e empty ${TEST_SH} -c '
q() {
eval "case \"$-\" in
(*${2}*) return 1;;
(*${1}*) return 0;;
esac"
return 1
}
x() {
echo >&2 "Option set or toggle failure:" \
" on=$1 off=$2 set=$-"
exit 1
}
set -V; q V E || x V E
set -E; q E V || x E V
set -V; q V E || x V E
set +EV; q "" "[VE]" || x "" VE
exit 0
'
}
atf_test_case pipefail
pipefail_head() {
atf_set "descr" "Basic tests of the pipefail option"
}
pipefail_body() {
${TEST_SH} -c 'set -o pipefail' 2>/dev/null ||
atf_skip "pipefail option not supported by ${TEST_SH}"
atf_check -s exit:0 -o match:'pipefail.*off' -e empty ${TEST_SH} -c \
'set -o | grep pipefail'
atf_check -s exit:0 -o match:'pipefail.*on' -e empty ${TEST_SH} -c \
'set -o pipefail; set -o | grep pipefail'
atf_check -s exit:0 -o empty -e empty ${TEST_SH} -c \
'(exit 1) | (exit 2) | (exit 0)'
atf_check -s exit:2 -o empty -e empty ${TEST_SH} -c \
'set -o pipefail; (exit 1) | (exit 2) | (exit 0)'
atf_check -s exit:1 -o empty -e empty ${TEST_SH} -c \
'set -o pipefail; (exit 1) | (exit 0) | (exit 0)'
atf_check -s exit:0 -o empty -e empty ${TEST_SH} -c \
'set -o pipefail; (exit 0) | (exit 0) | (exit 0)'
atf_check -s exit:1 -o empty -e empty ${TEST_SH} -c \
'! (exit 1) | (exit 2) | (exit 0)'
atf_check -s exit:0 -o empty -e empty ${TEST_SH} -c \
'set -o pipefail; ! (exit 1) | (exit 2) | (exit 0)'
atf_check -s exit:0 -o empty -e empty ${TEST_SH} -c \
'set -o pipefail; ! (exit 1) | (exit 0) | (exit 0)'
atf_check -s exit:1 -o empty -e empty ${TEST_SH} -c \
'set -o pipefail; ! (exit 0) | (exit 0) | (exit 0)'
atf_check -s exit:0 -o inline:'0\n' -e empty ${TEST_SH} -c \
'(exit 1) | (exit 2) | (exit 0); echo $?'
atf_check -s exit:0 -o inline:'2\n' -e empty ${TEST_SH} -c \
'set -o pipefail; (exit 1) | (exit 2) | (exit 0); echo $?'
atf_check -s exit:0 -o inline:'1\n' -e empty ${TEST_SH} -c \
'set -o pipefail; (exit 1) | (exit 0) | (exit 0); echo $?'
atf_check -s exit:0 -o inline:'0\n' -e empty ${TEST_SH} -c \
'set -o pipefail; (exit 0) | (exit 0) | (exit 0); echo $?'
atf_check -s exit:0 -o inline:'1\n' -e empty ${TEST_SH} -c \
'! (exit 1) | (exit 2) | (exit 0); echo $?'
atf_check -s exit:0 -o inline:'0\n' -e empty ${TEST_SH} -c \
'set -o pipefail; ! (exit 1) | (exit 2) | (exit 0); echo $?'
atf_check -s exit:0 -o inline:'0\n' -e empty ${TEST_SH} -c \
'set -o pipefail; ! (exit 1) | (exit 0) | (exit 0); echo $?'
atf_check -s exit:0 -o inline:'1\n' -e empty ${TEST_SH} -c \
'set -o pipefail; ! (exit 0) | (exit 0) | (exit 0); echo $?'
}
atf_test_case xx_bogus
xx_bogus_head() {
atf_set "descr" "Tests that attempting to set a nonsense option fails."
}
xx_bogus_body() {
# Biggest problem here is picking a "nonsense option" that is
# not implemented by any shell, anywhere. Hopefully this will do.
# 'set' is a special builtin, so a conforming shell should exit
# on an arg error, and the ERR should not be printed.
atf_check -s not-exit:0 -o empty -e not-empty \
${TEST_SH} -c 'set -% ; echo ERR'
}
atf_test_case Option_switching
Option_switching_head() {
atf_set "descr" "options can be enabled and disabled"
}
Option_switching_body() {
# Cannot test -m, setting it causes test shell to fail...
# (test shell gets SIGKILL!) Wonder why ... something related to atf
# That is, it works if just run as "sh -c 'echo $-; set -m; echo $-'"
# Don't bother testing toggling -n, once on, it stays on...
# (and because the test fn refuses to allow us to try)
# Cannot test -o or -c here, or the extension -s
# they can only be used, not switched
# these are the posix options, that all shells should implement
test_option_on_off a b C e f h u v x # m
# and these are extensions that might not exist (non-fatal to test)
# -i and -s (and -c) are posix options, but are not required to
# be accessible via the "set" command, just the command line.
# We allow for -i to work with set, as that makes some sense,
# -c and -s do not.
test_optional_on_off E i I p q V X || true
# Also test (some) option combinations ...
# only testing posix options here, because it is easier...
test_option_on_off aeu vx Ca aCefux
}
atf_init_test_cases() {
# tests are run in order sort of names produces, so choose names wisely
# this one tests turning on/off all the mandatory. and extra flags
atf_add_test_case Option_switching
# and this tests the NetBSD "local -" functionality in functions.
atf_add_test_case restore_local_opts
# no tests for -m (no idea how to do that one)
# -I (no easy way to generate the EOF it ignores)
# -i (not sure how to test that one at the minute)
# -p (because we aren't going to run tests setuid)
# -V/-E (too much effort, and a real test would be huge)
# -c (because almost all the other tests test it anyway)
# -q (because, for now, I am lazy)
# -s (coming soon, hopefully)
# -o (really +o: again, hopefully soon)
# -o longname (again, just laziness, don't wait...)
# -h/-b (because NetBSD doesn't implement them)
atf_add_test_case set_a
atf_add_test_case set_C
atf_add_test_case set_e
atf_add_test_case set_f
atf_add_test_case set_n
atf_add_test_case set_u
atf_add_test_case set_v
atf_add_test_case set_x
atf_add_test_case set_X
atf_add_test_case vi_emacs_VE_toggle
atf_add_test_case pipefail
atf_add_test_case xx_bogus
}
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