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#!/bin/bash
#
# Copyright (C) 2014 Owen Taylor <otaylor@redhat.com>
#
# SPDX-License-Identifier: LGPL-2.0+
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
set -euo pipefail
. $(dirname $0)/libtest.sh
echo "1..1"
test_usage_output() {
file=$1; shift
cmd=$1; shift
assert_file_has_content $file '^Usage'
# check that it didn't print twice somehow
if [ "$(grep --count '^Usage' $file)" != 1 ]; then
_fatal_print_file "$file" "File '$file' has '^Usage' more than once."
fi
assert_file_has_content $file "$cmd"
}
# check that we found at least one command with subcommands
found_subcommands=0
test_recursive() {
local cmd=$1
echo "$cmd" 1>&2
$cmd --help 1>out 2>err
# --help message goes to standard output
test_usage_output out "$cmd"
assert_file_empty err
# Select the list of commands, for each line, remove the leading spaces, and take the first word(command) of each line
builtins=`sed -n '/^Builtin \("[^"]*" \)\?Commands:$/,/^$/p' <out | tail -n +2 | sed -e 's/^[[:space:]]*//' | cut -d " " -f1`
if [ "$builtins" != "" ] ; then
found_subcommands=1
# A command with subcommands
# Running the command without a subcommand should produce the help output, but fail
rc=0
$cmd 1>out 2>err || rc=$?
if [ $rc = 0 ] ; then
assert_not_reached "missing subcommand but 0 exit status"
fi
# error message and usage goes to standard error
test_usage_output err "$cmd"
assert_file_has_content err 'No \("[^"]*" sub\)\?command specified'
assert_file_empty out
rc=0
$cmd non-existent-subcommand 1>out 2>err || rc=$?
if [ $rc = 0 ] ; then
assert_not_reached "non-existent subcommand but 0 exit status"
fi
test_usage_output err "$cmd"
assert_file_has_content err 'Unknown \("[^"]*" sub\)\?command'
assert_file_empty out
for subcmd in $builtins; do
case "$subcmd" in
(trivial-httpd)
# Skip trivial-httpd if enabled, it doesn't work
# uninstalled (and also doesn't produce the output
# we expect).
;;
(*)
test_recursive "$cmd $subcmd"
;;
esac
done
fi
}
test_recursive ostree
if [ $found_subcommands != 1 ]; then
assert_not_reached "no ostree commands with subcommands found!"
fi
echo "ok help option is properly supported"
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