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#! /bin/sh
# $Id$
# vim:et:ft=sh:sts=2:sw=2
#
# Copyright 2008 Kate Ward. All Rights Reserved.
# Released under the LGPL (GNU Lesser General Public License)
#
# Author: kate.ward@forestent.com (Kate Ward)
#
# shFlags unit test for the public functions
# load test helpers
. ./shflags_test_helpers
#------------------------------------------------------------------------------
# suite tests
#
testHelp()
{
#
# test short -h option
#
rslt=`FLAGS -h 2>&1`
rtrn=$?
assertFalse \
'short request for help should have returned non-zero exit code.' \
${rtrn}
echo "${rslt}" |grep -- 'show this help' >/dev/null
rtrn=$?
assertTrue \
'short request for help should have produced some help output.' \
${rtrn}
[ ${rtrn} -ne ${FLAGS_TRUE} ] && echo "${rslt}" >&2
# test proper output when FLAGS_HELP set
rslt=`FLAGS_HELP='this is a test'; FLAGS -h 2>&1`
echo "${rslt}" |grep -- 'this is a test' >/dev/null
rtrn=$?
assertTrue 'setting FLAGS_HELP did not produce expected result' ${rtrn}
[ ${rtrn} -ne ${FLAGS_TRUE} ] && echo "${rslt}" >&2
# test that "'" chars work in help string
DEFINE_boolean b false "help string containing a ' char" b
rslt=`FLAGS -h 2>&1`
echo "${rslt}" |grep -- "help string containing a ' char" >/dev/null
rtrn=$?
assertTrue "help strings containing apostrophes don't work" ${rtrn}
[ ${rtrn} -ne ${FLAGS_TRUE} ] && echo "${rslt}" >&2
#
# test long --help option
#
flags_getoptIsEnh || startSkipping
rslt=`FLAGS --help 2>&1`
assertFalse 'long help request should have returned non-zero exit code' $?
echo "${rslt}" |grep -- 'show this help' >/dev/null
assertTrue 'long help request should have produced some help output.' $?
}
testStandardHelpOutput()
{
flags_getoptIsStd || startSkipping
DEFINE_boolean test_bool false 'test boolean' b
DEFINE_integer test_int 0 'test integer' i
DEFINE_string test_str '' 'test string' s
DEFINE_string long_desc 'blah' \
'testing of a long description to force wrap of default value' D
DEFINE_string long_default \
'this_is_a_really_long_default_value_to_force_alternate_indentation' \
'testing of long default value' F
help='USAGE: standard [flags] args'
cat >"${expectedF}" <<EOF
USAGE: standard [flags] args
flags:
-b test boolean (default: false)
-i test integer (default: 0)
-s test string (default: '')
-D testing of a long description to force wrap of default value
(default: 'blah')
-F testing of long default value
(default: 'this_is_a_really_long_default_value_to_force_alternate_indentation')
-h show this help (default: false)
EOF
( FLAGS_HELP=${help}; FLAGS -h >"${stdoutF}" 2>"${stderrF}" )
diff "${expectedF}" "${stderrF}" >/dev/null
rtrn=$?
assertTrue 'unexpected help output' ${rtrn}
th_showOutput ${rtrn} "${stdoutF}" "${stderrF}"
}
testEnhancedHelpOutput()
{
flags_getoptIsEnh || startSkipping
DEFINE_boolean test_bool false 'test boolean' b
DEFINE_integer test_int 0 'test integer' i
DEFINE_string test_str '' 'test string' s
DEFINE_string long_desc 'blah' \
'testing of a long description to force wrap of default value' l
DEFINE_string long_default \
'this_is_a_really_long_default_value_to_force_alternate_indentation' \
'testing of long default value' F
help='USAGE: enhanced [flags] args'
cat >"${expectedF}" <<EOF
USAGE: enhanced [flags] args
flags:
-b,--[no]test_bool: test boolean (default: false)
-i,--test_int: test integer (default: 0)
-s,--test_str: test string (default: '')
-D,--long_desc: testing of a long description to force wrap of default value
(default: 'blah')
-F,--long_default: testing of long default value
(default: 'this_is_a_really_long_default_value_to_force_alternate_indentation')
-h,--[no]help: show this help (default: false)
EOF
( FLAGS_HELP=${help}; FLAGS -h >"${stdoutF}" 2>"${stderrF}" )
diff "${expectedF}" "${stderrF}" >/dev/null
rtrn=$?
assertTrue 'unexpected help output' ${rtrn}
th_showOutput ${rtrn} "${stdoutF}" "${stderrF}"
}
testNoHelp()
{
flags_getoptIsEnh || startSkipping
( FLAGS --nohelp >"${stdoutF}" 2>"${stderrF}" )
rtrn=$?
assertTrue "FLAGS returned a non-zero result (${rtrn})" ${rtrn}
assertFalse 'expected no output to STDOUT' "[ -s '${stdoutF}' ]"
assertFalse 'expected no output to STDERR' "[ -s '${stderrF}' ]"
}
#------------------------------------------------------------------------------
# suite functions
#
oneTimeSetUp()
{
th_oneTimeSetUp
if flags_getoptIsStd; then
th_warn 'Standard version of getopt found. Enhanced tests will be skipped.'
else
th_warn 'Enhanced version of getopt found. Standard tests will be skipped.'
fi
}
setUp()
{
flags_reset
}
# load and run shUnit2
[ -n "${ZSH_VERSION:-}" ] && SHUNIT_PARENT=$0
. ${TH_SHUNIT}
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