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authorJörg Frings-Fürst <debian@jff.email>2022-01-08 11:51:07 +0100
committerJörg Frings-Fürst <debian@jff.email>2022-01-08 11:51:07 +0100
commitbe8efac78d067c138ad8dda03df4336e73f94887 (patch)
tree5f5254a628ba0ef72065b93d949d1c985742ea8e /tests/init.sh
parent7b65dbd4ebade81d504cfe5e681292a58ad1fdf0 (diff)
New upstream version 1.0upstream/1.0
Diffstat (limited to 'tests/init.sh')
-rw-r--r--tests/init.sh534
1 files changed, 308 insertions, 226 deletions
diff --git a/tests/init.sh b/tests/init.sh
index 93d14f5a..933fdd40 100644
--- a/tests/init.sh
+++ b/tests/init.sh
@@ -1,6 +1,6 @@
# source this file; set up for tests
-# Copyright (C) 2009-2018 Free Software Foundation, Inc.
+# Copyright (C) 2009-2022 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -60,6 +60,9 @@
# 4. Finally
# $ exit
+# =============================================================================
+# Elementary diagnostics
+
ME_=`expr "./$0" : '.*/\(.*\)$'`
# Prepare PATH_SEPARATOR.
@@ -109,26 +112,8 @@ skip_ () { warn_ "$ME_: skipped test: $@"; Exit 77; }
fatal_ () { warn_ "$ME_: hard error: $@"; Exit 99; }
framework_failure_ () { warn_ "$ME_: set-up failure: $@"; Exit 99; }
-# This is used to simplify checking of the return value
-# which is useful when ensuring a command fails as desired.
-# I.e., just doing `command ... &&fail=1` will not catch
-# a segfault in command for example. With this helper you
-# instead check an explicit exit code like
-# returns_ 1 command ... || fail
-returns_ () {
- # Disable tracing so it doesn't interfere with stderr of the wrapped command
- { set +x; } 2>/dev/null
-
- local exp_exit="$1"
- shift
- "$@"
- test $? -eq $exp_exit && ret_=0 || ret_=1
-
- if test "$VERBOSE" = yes && test "$gl_set_x_corrupts_stderr_" = false; then
- set -x
- fi
- { return $ret_; } 2>/dev/null
-}
+# =============================================================================
+# Ensure the shell supports modern syntax.
# Sanitize this shell to POSIX mode, if possible.
DUALCASE=1; export DUALCASE
@@ -144,6 +129,8 @@ else
fi
# We require $(...) support unconditionally.
+# We require that the printf built-in work correctly regarding octal escapes;
+# this eliminates /bin/sh on AIX 7.2.
# We require non-surprising "local" semantics (this eliminates dash).
# This takes the admittedly draconian step of eliminating dash, because the
# assignment tab=$(printf '\t') works fine, yet preceding it with "local "
@@ -173,6 +160,12 @@ fi
# ? - not ok
gl_shell_test_script_='
test $(echo y) = y || exit 1
+LC_ALL=en_US.UTF-8 printf "\\351" 2>/dev/null \
+ | LC_ALL=C tr "\\351" x | LC_ALL=C grep "^x$" > /dev/null \
+ || exit 1
+printf "\\351" 2>/dev/null \
+ | LC_ALL=C tr "\\351" x | LC_ALL=C grep "^x$" > /dev/null \
+ || exit 1
f_local_() { local v=1; }; f_local_ || exit 1
f_dash_local_fail_() { local t=$(printf " 1"); }; f_dash_local_fail_
score_=10
@@ -255,6 +248,9 @@ else
fi
fi
+# =============================================================================
+# Ensure the shell behaves reasonably.
+
# If this is bash, turn off all aliases.
test -n "$BASH_VERSION" && unalias -a
@@ -265,99 +261,194 @@ test -n "$BASH_VERSION" && unalias -a
# widespread than that for hyphen-containing function names.
test -n "$EXEEXT" && test -n "$BASH_VERSION" && shopt -s expand_aliases
-# Enable glibc's malloc-perturbing option.
-# This is useful for exposing code that depends on the fact that
-# malloc-related functions often return memory that is mostly zeroed.
-# If you have the time and cycles, use valgrind to do an even better job.
-: ${MALLOC_PERTURB_=87}
-export MALLOC_PERTURB_
+# =============================================================================
+# Creating a temporary directory (needed by the core test framework)
-# This is a stub function that is run upon trap (upon regular exit and
-# interrupt). Override it with a per-test function, e.g., to unmount
-# a partition, or to undo any other global state changes.
-cleanup_ () { :; }
+# Create a temporary directory, much like mktemp -d does.
+# Written by Jim Meyering.
+#
+# Usage: mktempd_ /tmp phoey.XXXXXXXXXX
+#
+# First, try to use the mktemp program.
+# Failing that, we'll roll our own mktemp-like function:
+# - try to get random bytes from /dev/urandom
+# - failing that, generate output from a combination of quickly-varying
+# sources and gzip. Ignore non-varying gzip header, and extract
+# "random" bits from there.
+# - given those bits, map to file-name bytes using tr, and try to create
+# the desired directory.
+# - make only $MAX_TRIES_ attempts
-# Emit a header similar to that from diff -u; Print the simulated "diff"
-# command so that the order of arguments is clear. Don't bother with @@ lines.
-emit_diff_u_header_ ()
+# Helper function. Print $N pseudo-random bytes from a-zA-Z0-9.
+rand_bytes_ ()
{
- printf '%s\n' "diff -u $*" \
- "--- $1 1970-01-01" \
- "+++ $2 1970-01-01"
+ n_=$1
+
+ # Maybe try openssl rand -base64 $n_prime_|tr '+/=\012' abcd first?
+ # But if they have openssl, they probably have mktemp, too.
+
+ chars_=abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789
+ dev_rand_=/dev/urandom
+ if test -r "$dev_rand_"; then
+ # Note: 256-length($chars_) == 194; 3 copies of $chars_ is 186 + 8 = 194.
+ dd ibs=$n_ count=1 if=$dev_rand_ 2>/dev/null \
+ | LC_ALL=C tr -c $chars_ 01234567$chars_$chars_$chars_
+ return
+ fi
+
+ n_plus_50_=`expr $n_ + 50`
+ cmds_='date; date +%N; free; who -a; w; ps auxww; ps -ef'
+ data_=` (eval "$cmds_") 2>&1 | gzip `
+
+ # Ensure that $data_ has length at least 50+$n_
+ while :; do
+ len_=`echo "$data_"|wc -c`
+ test $n_plus_50_ -le $len_ && break;
+ data_=` (echo "$data_"; eval "$cmds_") 2>&1 | gzip `
+ done
+
+ echo "$data_" \
+ | dd bs=1 skip=50 count=$n_ 2>/dev/null \
+ | LC_ALL=C tr -c $chars_ 01234567$chars_$chars_$chars_
}
-# Arrange not to let diff or cmp operate on /dev/null,
-# since on some systems (at least OSF/1 5.1), that doesn't work.
-# When there are not two arguments, or no argument is /dev/null, return 2.
-# When one argument is /dev/null and the other is not empty,
-# cat the nonempty file to stderr and return 1.
-# Otherwise, return 0.
-compare_dev_null_ ()
+mktempd_ ()
{
- test $# = 2 || return 2
+ case $# in
+ 2);;
+ *) fail_ "Usage: mktempd_ DIR TEMPLATE";;
+ esac
- if test "x$1" = x/dev/null; then
- test -s "$2" || return 0
- emit_diff_u_header_ "$@"; sed 's/^/+/' "$2"
- return 1
- fi
+ destdir_=$1
+ template_=$2
- if test "x$2" = x/dev/null; then
- test -s "$1" || return 0
- emit_diff_u_header_ "$@"; sed 's/^/-/' "$1"
- return 1
- fi
+ MAX_TRIES_=4
- return 2
+ # Disallow any trailing slash on specified destdir:
+ # it would subvert the post-mktemp "case"-based destdir test.
+ case $destdir_ in
+ / | //) destdir_slash_=$destdir;;
+ */) fail_ "invalid destination dir: remove trailing slash(es)";;
+ *) destdir_slash_=$destdir_/;;
+ esac
+
+ case $template_ in
+ *XXXX) ;;
+ *) fail_ \
+ "invalid template: $template_ (must have a suffix of at least 4 X's)";;
+ esac
+
+ # First, try to use mktemp.
+ d=`unset TMPDIR; { mktemp -d -t -p "$destdir_" "$template_"; } 2>/dev/null` &&
+
+ # The resulting name must be in the specified directory.
+ case $d in "$destdir_slash_"*) :;; *) false;; esac &&
+
+ # It must have created the directory.
+ test -d "$d" &&
+
+ # It must have 0700 permissions. Handle sticky "S" bits.
+ perms=`ls -dgo "$d" 2>/dev/null` &&
+ case $perms in drwx--[-S]---*) :;; *) false;; esac && {
+ echo "$d"
+ return
+ }
+
+ # If we reach this point, we'll have to create a directory manually.
+
+ # Get a copy of the template without its suffix of X's.
+ base_template_=`echo "$template_"|sed 's/XX*$//'`
+
+ # Calculate how many X's we've just removed.
+ template_length_=`echo "$template_" | wc -c`
+ nx_=`echo "$base_template_" | wc -c`
+ nx_=`expr $template_length_ - $nx_`
+
+ err_=
+ i_=1
+ while :; do
+ X_=`rand_bytes_ $nx_`
+ candidate_dir_="$destdir_slash_$base_template_$X_"
+ err_=`mkdir -m 0700 "$candidate_dir_" 2>&1` \
+ && { echo "$candidate_dir_"; return; }
+ test $MAX_TRIES_ -le $i_ && break;
+ i_=`expr $i_ + 1`
+ done
+ fail_ "$err_"
}
-for diff_opt_ in -u -U3 -c '' no; do
- test "$diff_opt_" != no &&
- diff_out_=`exec 2>/dev/null; diff $diff_opt_ "$0" "$0" < /dev/null` &&
- break
-done
-if test "$diff_opt_" != no; then
- if test -z "$diff_out_"; then
- compare_ () { diff $diff_opt_ "$@"; }
- else
- compare_ ()
- {
- # If no differences were found, AIX and HP-UX 'diff' produce output
- # like "No differences encountered". Hide this output.
- diff $diff_opt_ "$@" > diff.out
- diff_status_=$?
- test $diff_status_ -eq 0 || cat diff.out || diff_status_=2
- rm -f diff.out || diff_status_=2
- return $diff_status_
- }
- fi
-elif cmp -s /dev/null /dev/null 2>/dev/null; then
- compare_ () { cmp -s "$@"; }
-else
- compare_ () { cmp "$@"; }
-fi
+# =============================================================================
+# Core test framework
-# Usage: compare EXPECTED ACTUAL
-#
-# Given compare_dev_null_'s preprocessing, defer to compare_ if 2 or more.
-# Otherwise, propagate $? to caller: any diffs have already been printed.
-compare ()
+# An arbitrary prefix to help distinguish test directories.
+testdir_prefix_ () { printf gt; }
+
+# Set up the environment for the test to run in.
+setup_ ()
{
- # This looks like it can be factored to use a simple "case $?"
- # after unchecked compare_dev_null_ invocation, but that would
- # fail in a "set -e" environment.
- if compare_dev_null_ "$@"; then
- return 0
- else
- case $? in
- 1) return 1;;
- *) compare_ "$@";;
- esac
+ if test "$VERBOSE" = yes; then
+ # Test whether set -x may cause the selected shell to corrupt an
+ # application's stderr. Many do, including zsh-4.3.10 and the /bin/sh
+ # from SunOS 5.11, OpenBSD 4.7 and Irix 6.5.
+ # If enabling verbose output this way would cause trouble, simply
+ # issue a warning and refrain.
+ if $gl_set_x_corrupts_stderr_; then
+ warn_ "using SHELL=$SHELL with 'set -x' corrupts stderr"
+ else
+ set -x
+ fi
fi
+
+ initial_cwd_=$PWD
+
+ # Create and enter the temporary directory.
+ pfx_=`testdir_prefix_`
+ test_dir_=`mktempd_ "$initial_cwd_" "$pfx_-$ME_.XXXX"` \
+ || fail_ "failed to create temporary directory in $initial_cwd_"
+ cd "$test_dir_" || fail_ "failed to cd to temporary directory"
+ # Set variables srcdir, builddir, for the convenience of the test.
+ case $srcdir in
+ /* | ?:*) ;;
+ *) srcdir="../$srcdir" ;;
+ esac
+ builddir=".."
+ export srcdir builddir
+
+ # As autoconf-generated configure scripts do, ensure that IFS
+ # is defined initially, so that saving and restoring $IFS works.
+ gl_init_sh_nl_='
+'
+ IFS=" "" $gl_init_sh_nl_"
+
+ # This trap statement, along with a trap on 0 below, ensure that the
+ # temporary directory, $test_dir_, is removed upon exit as well as
+ # upon receipt of any of the listed signals.
+ for sig_ in 1 2 3 13 15; do
+ eval "trap 'Exit $(expr $sig_ + 128)' $sig_"
+ done
+
+ # Remove relative and non-accessible directories from PATH, including '.'
+ # and Zero-length entries.
+ saved_IFS="$IFS"
+ IFS=:
+ new_PATH=
+ sep_=
+ for dir in $PATH; do
+ case "$dir" in
+ /*) test -d "$dir/." || continue
+ new_PATH="${new_PATH}${sep_}${dir}"
+ sep_=':';;
+ esac
+ done
+ IFS="$saved_IFS"
+ PATH="$new_PATH"
+ export PATH
}
-# An arbitrary prefix to help distinguish test directories.
-testdir_prefix_ () { printf gt; }
+# This is a stub function that is run upon trap (upon regular exit and
+# interrupt). Override it with a per-test function, e.g., to unmount
+# a partition, or to undo any other global state changes.
+cleanup_ () { :; }
# Run the user-overridable cleanup_ function, remove the temporary
# directory and exit with the incoming value of $?.
@@ -377,6 +468,9 @@ remove_tmp_ ()
exit $__st
}
+# =============================================================================
+# Prepending directories to PATH
+
# Given a directory name, DIR, if every entry in it that matches *.exe
# contains only the specified bytes (see the case stmt below), then print
# a space-separated list of those names and return 0. Otherwise, don't
@@ -458,160 +552,148 @@ path_prepend_ ()
export PATH
}
-setup_ ()
-{
- if test "$VERBOSE" = yes; then
- # Test whether set -x may cause the selected shell to corrupt an
- # application's stderr. Many do, including zsh-4.3.10 and the /bin/sh
- # from SunOS 5.11, OpenBSD 4.7 and Irix 5.x and 6.5.
- # If enabling verbose output this way would cause trouble, simply
- # issue a warning and refrain.
- if $gl_set_x_corrupts_stderr_; then
- warn_ "using SHELL=$SHELL with 'set -x' corrupts stderr"
- else
- set -x
- fi
- fi
+# =============================================================================
+# Convenience environment variables for the tests
- initial_cwd_=$PWD
+# -----------------------------------------------------------------------------
- pfx_=`testdir_prefix_`
- test_dir_=`mktempd_ "$initial_cwd_" "$pfx_-$ME_.XXXX"` \
- || fail_ "failed to create temporary directory in $initial_cwd_"
- cd "$test_dir_" || fail_ "failed to cd to temporary directory"
+# Enable glibc's malloc-perturbing option.
+# This is useful for exposing code that depends on the fact that
+# malloc-related functions often return memory that is mostly zeroed.
+# If you have the time and cycles, use valgrind to do an even better job.
+: ${MALLOC_PERTURB_=87}
+export MALLOC_PERTURB_
- # As autoconf-generated configure scripts do, ensure that IFS
- # is defined initially, so that saving and restoring $IFS works.
- gl_init_sh_nl_='
-'
- IFS=" "" $gl_init_sh_nl_"
+# -----------------------------------------------------------------------------
- # This trap statement, along with a trap on 0 below, ensure that the
- # temporary directory, $test_dir_, is removed upon exit as well as
- # upon receipt of any of the listed signals.
- for sig_ in 1 2 3 13 15; do
- eval "trap 'Exit $(expr $sig_ + 128)' $sig_"
- done
-}
+# The interpreter for Bourne-shell scripts.
+# No special standards compatibility requirements.
+# Some environments, such as Android, don't have /bin/sh.
+if test -f /bin/sh$EXEEXT; then
+ BOURNE_SHELL=/bin/sh
+else
+ BOURNE_SHELL=sh
+fi
-# Create a temporary directory, much like mktemp -d does.
-# Written by Jim Meyering.
-#
-# Usage: mktempd_ /tmp phoey.XXXXXXXXXX
-#
-# First, try to use the mktemp program.
-# Failing that, we'll roll our own mktemp-like function:
-# - try to get random bytes from /dev/urandom
-# - failing that, generate output from a combination of quickly-varying
-# sources and gzip. Ignore non-varying gzip header, and extract
-# "random" bits from there.
-# - given those bits, map to file-name bytes using tr, and try to create
-# the desired directory.
-# - make only $MAX_TRIES_ attempts
+# =============================================================================
+# Convenience functions for the tests
-# Helper function. Print $N pseudo-random bytes from a-zA-Z0-9.
-rand_bytes_ ()
-{
- n_=$1
+# -----------------------------------------------------------------------------
+# Return value checking
- # Maybe try openssl rand -base64 $n_prime_|tr '+/=\012' abcd first?
- # But if they have openssl, they probably have mktemp, too.
+# This is used to simplify checking of the return value
+# which is useful when ensuring a command fails as desired.
+# I.e., just doing `command ... &&fail=1` will not catch
+# a segfault in command for example. With this helper you
+# instead check an explicit exit code like
+# returns_ 1 command ... || fail
+returns_ () {
+ # Disable tracing so it doesn't interfere with stderr of the wrapped command
+ { set +x; } 2>/dev/null
- chars_=abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789
- dev_rand_=/dev/urandom
- if test -r "$dev_rand_"; then
- # Note: 256-length($chars_) == 194; 3 copies of $chars_ is 186 + 8 = 194.
- dd ibs=$n_ count=1 if=$dev_rand_ 2>/dev/null \
- | LC_ALL=C tr -c $chars_ 01234567$chars_$chars_$chars_
- return
- fi
+ local exp_exit="$1"
+ shift
+ "$@"
+ test $? -eq $exp_exit && ret_=0 || ret_=1
- n_plus_50_=`expr $n_ + 50`
- cmds_='date; date +%N; free; who -a; w; ps auxww; ps -ef'
- data_=` (eval "$cmds_") 2>&1 | gzip `
+ if test "$VERBOSE" = yes && test "$gl_set_x_corrupts_stderr_" = false; then
+ set -x
+ fi
+ { return $ret_; } 2>/dev/null
+}
- # Ensure that $data_ has length at least 50+$n_
- while :; do
- len_=`echo "$data_"|wc -c`
- test $n_plus_50_ -le $len_ && break;
- data_=` (echo "$data_"; eval "$cmds_") 2>&1 | gzip `
- done
+# -----------------------------------------------------------------------------
+# Text file comparison
- echo "$data_" \
- | dd bs=1 skip=50 count=$n_ 2>/dev/null \
- | LC_ALL=C tr -c $chars_ 01234567$chars_$chars_$chars_
+# Emit a header similar to that from diff -u; Print the simulated "diff"
+# command so that the order of arguments is clear. Don't bother with @@ lines.
+emit_diff_u_header_ ()
+{
+ printf '%s\n' "diff -u $*" \
+ "--- $1 1970-01-01" \
+ "+++ $2 1970-01-01"
}
-mktempd_ ()
+# Arrange not to let diff or cmp operate on /dev/null,
+# since on some systems (at least OSF/1 5.1), that doesn't work.
+# When there are not two arguments, or no argument is /dev/null, return 2.
+# When one argument is /dev/null and the other is not empty,
+# cat the nonempty file to stderr and return 1.
+# Otherwise, return 0.
+compare_dev_null_ ()
{
- case $# in
- 2);;
- *) fail_ "Usage: mktempd_ DIR TEMPLATE";;
- esac
-
- destdir_=$1
- template_=$2
-
- MAX_TRIES_=4
-
- # Disallow any trailing slash on specified destdir:
- # it would subvert the post-mktemp "case"-based destdir test.
- case $destdir_ in
- / | //) destdir_slash_=$destdir;;
- */) fail_ "invalid destination dir: remove trailing slash(es)";;
- *) destdir_slash_=$destdir_/;;
- esac
-
- case $template_ in
- *XXXX) ;;
- *) fail_ \
- "invalid template: $template_ (must have a suffix of at least 4 X's)";;
- esac
-
- # First, try to use mktemp.
- d=`unset TMPDIR; { mktemp -d -t -p "$destdir_" "$template_"; } 2>/dev/null` &&
-
- # The resulting name must be in the specified directory.
- case $d in "$destdir_slash_"*) :;; *) false;; esac &&
-
- # It must have created the directory.
- test -d "$d" &&
+ test $# = 2 || return 2
- # It must have 0700 permissions. Handle sticky "S" bits.
- perms=`ls -dgo "$d" 2>/dev/null` &&
- case $perms in drwx--[-S]---*) :;; *) false;; esac && {
- echo "$d"
- return
- }
+ if test "x$1" = x/dev/null; then
+ test -s "$2" || return 0
+ emit_diff_u_header_ "$@"; sed 's/^/+/' "$2"
+ return 1
+ fi
- # If we reach this point, we'll have to create a directory manually.
+ if test "x$2" = x/dev/null; then
+ test -s "$1" || return 0
+ emit_diff_u_header_ "$@"; sed 's/^/-/' "$1"
+ return 1
+ fi
- # Get a copy of the template without its suffix of X's.
- base_template_=`echo "$template_"|sed 's/XX*$//'`
+ return 2
+}
- # Calculate how many X's we've just removed.
- template_length_=`echo "$template_" | wc -c`
- nx_=`echo "$base_template_" | wc -c`
- nx_=`expr $template_length_ - $nx_`
+for diff_opt_ in -u -U3 -c '' no; do
+ test "$diff_opt_" != no &&
+ diff_out_=`exec 2>/dev/null; diff $diff_opt_ "$0" "$0" < /dev/null` &&
+ break
+done
+if test "$diff_opt_" != no; then
+ if test -z "$diff_out_"; then
+ compare_ () { diff $diff_opt_ "$@"; }
+ else
+ compare_ ()
+ {
+ # If no differences were found, AIX and HP-UX 'diff' produce output
+ # like "No differences encountered". Hide this output.
+ diff $diff_opt_ "$@" > diff.out
+ diff_status_=$?
+ test $diff_status_ -eq 0 || cat diff.out || diff_status_=2
+ rm -f diff.out || diff_status_=2
+ return $diff_status_
+ }
+ fi
+elif cmp -s /dev/null /dev/null 2>/dev/null; then
+ compare_ () { cmp -s "$@"; }
+else
+ compare_ () { cmp "$@"; }
+fi
- err_=
- i_=1
- while :; do
- X_=`rand_bytes_ $nx_`
- candidate_dir_="$destdir_slash_$base_template_$X_"
- err_=`mkdir -m 0700 "$candidate_dir_" 2>&1` \
- && { echo "$candidate_dir_"; return; }
- test $MAX_TRIES_ -le $i_ && break;
- i_=`expr $i_ + 1`
- done
- fail_ "$err_"
+# Usage: compare EXPECTED ACTUAL
+#
+# Given compare_dev_null_'s preprocessing, defer to compare_ if 2 or more.
+# Otherwise, propagate $? to caller: any diffs have already been printed.
+compare ()
+{
+ # This looks like it can be factored to use a simple "case $?"
+ # after unchecked compare_dev_null_ invocation, but that would
+ # fail in a "set -e" environment.
+ if compare_dev_null_ "$@"; then
+ return 0
+ else
+ case $? in
+ 1) return 1;;
+ *) compare_ "$@";;
+ esac
+ fi
}
+# -----------------------------------------------------------------------------
+
# If you want to override the testdir_prefix_ function,
# or to add more utility functions, use this file.
test -f "$srcdir/init.cfg" \
&& . "$srcdir/init.cfg"
+# =============================================================================
+# Set up the environment for the test to run in.
+
setup_ "$@"
# This trap is here, rather than in the setup_ function, because some
# shells run the exit trap at shell function exit, rather than script exit.