# The typical skeleton of a test looks like this:
#
# #!/bin/sh
-# : ${srcdir=.}
-# . "$srcdir/init.sh"; path_prepend_ .
+# . "${srcdir=.}/init.sh"; path_prepend_ .
# Execute some commands.
# Note that these commands are executed in a subdirectory, therefore you
# need to prepend "../" to relative filenames in the build directory.
+# Note that the "path_prepend_ ." is useful only if the body of your
+# test invokes programs residing in the initial directory.
+# For example, if the programs you want to test are in src/, and this test
+# script is named tests/test-1, then you would use "path_prepend_ ../src",
+# or perhaps export PATH='$(abs_top_builddir)/src$(PATH_SEPARATOR)'"$$PATH"
+# to all tests via automake's TESTS_ENVIRONMENT.
# Set the exit code 0 for success, 77 for skipped, or 1 or other for failure.
# Use the skip_ and fail_ functions to print a diagnostic and then exit
# with the corresponding exit code.
# 4. Finally
# $ exit
+# We require $(...) support unconditionally.
+# We require a few additional shell features only when $EXEEXT is nonempty,
+# in order to support automatic $EXEEXT emulation:
+# - hyphen-containing alias names
+# - we prefer to use ${var#...} substitution, rather than having
+# to work around lack of support for that feature.
+# The following code attempts to find a shell with support for these features
+# and re-exec's it. If not, it skips the current test.
+
+gl_shell_test_script_='
+test $(echo y) = y || exit 1
+test -z "$EXEEXT" && exit 0
+shopt -s expand_aliases
+alias a-b="echo zoo"
+v=abx
+ test ${v%x} = ab \
+ && test ${v#a} = bx \
+ && test $(a-b) = zoo
+'
+
+if test "x$1" = "x--no-reexec"; then
+ shift
+else
+ for re_shell_ in "${CONFIG_SHELL:-no_shell}" /bin/sh bash dash zsh pdksh fail
+ do
+ test "$re_shell_" = no_shell && continue
+ test "$re_shell_" = fail && skip_ failed to find an adequate shell
+ if "$re_shell_" -c "$gl_shell_test_script_" 2>/dev/null; then
+ exec "$re_shell_" "$0" --no-reexec "$@"
+ echo "$ME_: exec failed" 1>&2
+ exit 127
+ fi
+ done
+fi
+
+test -n "$EXEEXT" && shopt -s expand_aliases
+
# We use a trap below for cleanup. This requires us to go through
# hoops to get the right exit status transported through the handler.
# So use `Exit STATUS' instead of `exit STATUS' inside of the tests.
# sh inside this function.
Exit () { set +e; (exit $1); exit $1; }
-fail_() { echo "$ME_: failed test: $@" 1>&2; Exit 1; }
-skip_() { echo "$ME_: skipped test: $@" 1>&2; Exit 77; }
+# Print warnings (e.g., about skipped and failed tests) to this file number.
+# Override by defining to say, 9, in init.cfg, and putting say,
+# "export ...ENVVAR_SETTINGS...; exec 9>&2; $(SHELL)" in the definition
+# of TESTS_ENVIRONMENT in your tests/Makefile.am file.
+# This is useful when using automake's parallel tests mode, to print
+# the reason for skip/failure to console, rather than to the .log files.
+: ${stderr_fileno_=2}
+
+warn_() { echo "$@" 1>&$stderr_fileno_; }
+fail_() { warn_ "$ME_: failed test: $@"; Exit 1; }
+skip_() { warn_ "$ME_: skipped test: $@"; Exit 77; }
+framework_failure_() { warn_ "$ME_: set-up failure: $@"; Exit 1; }
# 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
feb_fail_=0
feb_result_=
feb_sp_=
- for feb_file_ in $feb_dir_/*.exe dummy; do
+ for feb_file_ in $feb_dir_/*.exe; do
case $feb_file_ in
- dummy) continue;;
- *[^-a-zA-Z/0-9_.+]*) feb_fail_=1; break;;
- *) feb_file_=$(echo $feb_file_ | sed "s,^$feb_dir_/,,;"'s/\.exe$//')
- feb_result_="$feb_result_$feb_sp_$feb_file_";;
+ *[!-a-zA-Z/0-9_.+]*) feb_fail_=1; break;;
+ *) # Remove leading file name components as well as the .exe suffix.
+ feb_file_=${feb_file_##*/}
+ feb_file_=${feb_file_%.exe}
+ feb_result_="$feb_result_$feb_sp_$feb_file_";;
esac
feb_sp_=' '
done
}
# Consider the files in directory, $1.
-# For each file name of the form PROG.exe, create a shim function named
+# For each file name of the form PROG.exe, create an alias named
# PROG that simply invokes PROG.exe, then return 0. If any selected
# file name or the directory name, $1, contains an unexpected character,
# define no function and return 1.
-create_exe_shim_functions_()
+create_exe_shims_()
{
case $EXEEXT in
'') return 0 ;;
*) echo "$0: unexpected \$EXEEXT value: $EXEEXT" 1>&2; return 1 ;;
esac
- base_names_=$(find_exe_basenames_ $1) \
- || { echo "$0 (exe-shim): skipping directory: $1" 1>&2; return 1; }
+ base_names_=`find_exe_basenames_ $1` \
+ || { echo "$0 (exe_shim): skipping directory: $1" 1>&2; return 1; }
if test -n "$base_names_"; then
for base_ in $base_names_; do
- # Create a function named $base whose sole job is to invoke
- # $base_$EXEEXT, assuming its containing dir is already in PATH.
- eval "$base_() { $base_$EXEEXT"' "$@"; }'
+ alias "$base_"="$base_$EXEEXT"
done
fi
esac
PATH="$abs_path_dir_:$PATH"
- # Create a function FOO for each FOO.exe in this directory.
- create_exe_shim_functions_ "$abs_path_dir_"
+ # Create an alias, FOO, for each FOO.exe in this directory.
+ create_exe_shims_ "$abs_path_dir_" \
+ || fail_ "something failed (above): $abs_path_dir_"
shift
done
export PATH
|| fail_ "failed to create temporary directory in $initial_cwd_"
cd "$test_dir_"
- # This pair of trap statements ensures that the temporary directory,
- # $test_dir_, is removed upon exit as well as upon catchable signal.
+ # These trap statements ensure that the temporary directory, $test_dir_,
+ # is removed upon exit as well as upon receipt of any of the listed signals.
trap remove_tmp_ 0
- trap 'Exit $?' 1 2 13 15
+ for sig_ in 1 2 3 13 15; do
+ eval "trap 'Exit $(expr $sig_ + 128)' $sig_"
+ done
}
# Create a temporary directory, much like mktemp -d does.
if test -r "$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 \
- | tr -c $chars_ 01234567$chars_$chars_$chars_
+ | LC_ALL=C tr -c $chars_ 01234567$chars_$chars_$chars_
return
fi
echo "$data_" \
| dd bs=1 skip=50 count=$n_ 2>/dev/null \
- | tr -c $chars_ 01234567$chars_$chars_$chars_
+ | LC_ALL=C tr -c $chars_ 01234567$chars_$chars_$chars_
}
mktempd_()
fail=0
# First, try to use mktemp.
- d=`env -u TMPDIR mktemp -d -t -p "$destdir_" "$template_" 2>/dev/null` \
+ d=`unset TMPDIR; mktemp -d -t -p "$destdir_" "$template_" 2>/dev/null` \
|| fail=1
# The resulting name must be in the specified directory.