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#! /bin/sh
# vim:et:ft=sh:sts=2:sw=2
#
# shFlags unit test for https://github.com/kward/shflags/issues/28.
#
# Copyright 2008-2017 Kate Ward. All Rights Reserved.
# Released under the Apache 2.0 license.
#
# Author: kate.ward@forestent.com (Kate Ward)
# https://github.com/kward/shflags
#
### ShellCheck (http://www.shellcheck.net/)
# Disable source following.
# shellcheck disable=SC1090,SC1091
# These variables will be overridden by the test helpers.
expectedF="${TMPDIR:-/tmp}/expected"
returnF="${TMPDIR:-/tmp}/return"
stdoutF="${TMPDIR:-/tmp}/STDOUT"
stderrF="${TMPDIR:-/tmp}/STDERR"
# Load test helpers.
. ./shflags_test_helpers
testHelp() {
_testHelp '-h'
flags_getoptIsEnh || return
_testHelp '--help'
}
_testHelp() {
flag=$1
# Test default help output.
th_clearReturn
(
FLAGS "${flag}" >"${stdoutF}" 2>"${stderrF}"
echo $? >"${returnF}"
)
assertFalse \
'short help request should have returned a false exit code.' \
"$(th_queryReturn)"
grep 'show this help' "${stderrF}" >/dev/null
grepped=$?
assertTrue \
'short request for help should have produced some help output.' \
${grepped}
[ ${grepped} -ne "${FLAGS_TRUE}" ] && th_showOutput
# Test proper output when FLAGS_HELP set.
(
FLAGS_HELP='this is a test'
FLAGS "${flag}" >"${stdoutF}" 2>"${stderrF}"
)
grep 'this is a test' "${stderrF}" >/dev/null
grepped=$?
assertTrue 'setting FLAGS_HELP did not produce expected result' ${grepped}
[ ${grepped} -ne "${FLAGS_TRUE}" ] && th_showOutput
# test that "'" chars work in help string
(
DEFINE_boolean b false "help string containing a ' char" b
FLAGS "${flag}" >"${stdoutF}" 2>"${stderrF}"
)
grep "help string containing a ' char" "${stderrF}" >/dev/null
grepped=$?
assertTrue "help strings containing apostrophes don't work" ${grepped}
[ ${grepped} -ne "${FLAGS_TRUE}" ] && th_showOutput
}
mock_flags_columns() {
echo 80
}
_doDefines() {
DEFINE_boolean 'force' false '' f
}
testStandardHelpOutput() {
flags_getoptIsStd || startSkipping
_doDefines
help='USAGE: standard [flags] args'
cat >"${expectedF}" <<EOF
${help}
flags:
-f (default: false)
-h show this help (default: false)
EOF
(
_flags_columns() { mock_flags_columns; }
FLAGS_HELP=${help};
FLAGS -h >"${stdoutF}" 2>"${stderrF}"
)
diff "${expectedF}" "${stderrF}" >/dev/null
r3turn=$?
assertTrue 'unexpected help output' ${r3turn}
th_showOutput ${r3turn} "${stdoutF}" "${stderrF}"
}
testEnhancedHelpOutput() {
flags_getoptIsEnh || startSkipping
_doDefines
help='USAGE: enhanced [flags] args'
cat >"${expectedF}" <<EOF
${help}
flags:
-f,--[no]force: (default: false)
-h,--help: show this help (default: false)
EOF
(
_flags_columns() { mock_flags_columns; }
# shellcheck disable=SC2034
FLAGS_HELP=${help};
FLAGS -h >"${stdoutF}" 2>"${stderrF}"
)
diff "${expectedF}" "${stderrF}" >/dev/null
differed=$?
assertTrue 'unexpected help output' ${differed}
th_showOutput ${differed} "${stdoutF}" "${stderrF}"
}
oneTimeSetUp() {
th_oneTimeSetUp
if flags_getoptIsStd; then
th_warn 'Standard version of getopt found. Enhanced tests will be skipped.'
return
fi
th_warn 'Enhanced version of getopt found. Standard tests will be skipped.'
}
setUp() {
flags_reset
}
# Load and run shUnit2.
# shellcheck disable=SC2034
[ -n "${ZSH_VERSION:-}" ] && SHUNIT_PARENT=$0
. "${TH_SHUNIT}"
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