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243 lines
6.7 KiB
243 lines
6.7 KiB
#! /bin/sh
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# vim:et:ft=sh:sts=2:sw=2
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#
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# shFlags unit test for the public functions.
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#
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# Copyright 2008-2020 Kate Ward. All Rights Reserved.
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# Released under the Apache 2.0 license.
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#
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# Author: kate.ward@forestent.com (Kate Ward)
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# https://github.com/kward/shflags
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#
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### ShellCheck (http://www.shellcheck.net/)
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# Disable source following.
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# shellcheck disable=SC1090,SC1091
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# $() are not fully portable (POSIX != portable).
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# shellcheck disable=SC2006
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# These variables will be overridden by the test helpers.
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expectedF="${TMPDIR:-/tmp}/expected"
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returnF="${TMPDIR:-/tmp}/return"
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stdoutF="${TMPDIR:-/tmp}/STDOUT"
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stderrF="${TMPDIR:-/tmp}/STDERR"
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# Load test helpers.
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. ./shflags_test_helpers
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testHelp() {
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_testHelp '-h'
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_testHelp '--help'
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}
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_testHelp() {
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if ! flags_getoptIsEnh; then
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return
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fi
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flag=$1
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# Test default help output.
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th_clearReturn
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(
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FLAGS "${flag}" >"${stdoutF}" 2>"${stderrF}"
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echo $? >"${returnF}"
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)
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assertFalse \
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'short help request should have returned a false exit code.' \
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"$(th_queryReturn)"
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(grep 'show this help' "${stderrF}" >/dev/null)
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r3turn=$?
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assertTrue \
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'short request for help should have produced some help output.' \
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${r3turn}
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[ ${r3turn} -ne "${FLAGS_TRUE}" ] && th_showOutput
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# Test proper output when FLAGS_HELP set.
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(
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FLAGS_HELP='this is a test'
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FLAGS "${flag}" >"${stdoutF}" 2>"${stderrF}"
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)
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(grep 'this is a test' "${stderrF}" >/dev/null)
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r3turn=$?
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assertTrue 'setting FLAGS_HELP did not produce expected result' ${r3turn}
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[ ${r3turn} -ne "${FLAGS_TRUE}" ] && th_showOutput
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# Test that "'" chars work in help string.
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(
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# shellcheck disable=SC2034
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DEFINE_boolean b false "help string containing a ' char" b
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FLAGS "${flag}" >"${stdoutF}" 2>"${stderrF}"
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)
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(grep "help string containing a ' char" "${stderrF}" >/dev/null)
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r3turn=$?
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assertTrue "help strings containing apostrophes don't work" ${r3turn}
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[ ${r3turn} -ne "${FLAGS_TRUE}" ] && th_showOutput
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return "${SHUNIT_TRUE}"
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}
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mock_flags_columns() {
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echo 80
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}
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testStandardHelpOutput() {
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if ! flags_getoptIsStd; then
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startSkipping
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fi
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DEFINE_boolean test_bool false 'test boolean' b
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DEFINE_integer test_int 0 'test integer' i
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DEFINE_string test_str '' 'test string' s
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DEFINE_string long_desc 'blah' \
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'testing of a long description to force wrap of default value' D
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DEFINE_string long_default \
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'this_is_a_long_default_value_to_force_alternate_indentation' \
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'testing of long default value' F
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# Test for https://github.com/kward/shflags/issues/28.
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DEFINE_boolean 'force' false '' f
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help='USAGE: standard [flags] args'
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cat >"${expectedF}" <<EOF
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${help}
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flags:
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-b test boolean (default: false)
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-i test integer (default: 0)
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-s test string (default: '')
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-D testing of a long description to force wrap of default value
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(default: 'blah')
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-F testing of long default value
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(default: 'this_is_a_long_default_value_to_force_alternate_indentation')
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-f (default: false)
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-h show this help (default: false)
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EOF
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(
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_flags_columns() { mock_flags_columns; }
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FLAGS_HELP=${help};
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# Wrap FLAGS call in if/then/else so 'set -e' works properly.
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if FLAGS -h >"${stdoutF}" 2>"${stderrF}"; then
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rtrn=$?
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else
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rtrn=$?
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fi
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echo "${rtrn}" >"${returnF}"
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)
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assertFalse 'a call for help should return a non-zero exit code.' "$(th_queryReturn)"
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if ! diff "${expectedF}" "${stderrF}" >/dev/null; then
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fail 'unexpected help output'
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th_showOutput
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fi
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}
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testEnhancedHelpOutput() {
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if ! flags_getoptIsEnh; then
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startSkipping
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fi
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# shellcheck disable=SC2034
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DEFINE_boolean test_bool false 'test boolean' b
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# shellcheck disable=SC2034
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DEFINE_integer test_int 0 'test integer' i
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# shellcheck disable=SC2034
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DEFINE_string test_str '' 'test string' s
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# shellcheck disable=SC2034
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DEFINE_string long_desc 'blah' \
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'testing of a long description to force wrap of default value' D
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# shellcheck disable=SC2034
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DEFINE_string long_default \
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'this_is_a_long_default_value_to_force_alternate_indentation' \
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'testing of long default value' F
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# Test for https://github.com/kward/shflags/issues/28.
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DEFINE_boolean 'force' false '' f
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help='USAGE: enhanced [flags] args'
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cat >"${expectedF}" <<EOF
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${help}
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flags:
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-b,--[no]test_bool: test boolean (default: false)
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-i,--test_int: test integer (default: 0)
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-s,--test_str: test string (default: '')
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-D,--long_desc: testing of a long description to force wrap of default value
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(default: 'blah')
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-F,--long_default: testing of long default value
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(default: 'this_is_a_long_default_value_to_force_alternate_indentation')
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-f,--[no]force: (default: false)
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-h,--help: show this help (default: false)
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EOF
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(
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_flags_columns() { mock_flags_columns; }
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# shellcheck disable=SC2034
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FLAGS_HELP=${help}
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# Wrap FLAGS call in if/then/else so 'set -e' works properly.
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if FLAGS -h >"${stdoutF}" 2>"${stderrF}"; then
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rtrn=$?
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else
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rtrn=$?
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fi
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echo "${rtrn}" >"${returnF}"
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)
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assertFalse 'a call for help should return a non-zero exit code.' "$(th_queryReturn)"
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if ! diff "${expectedF}" "${stderrF}" >/dev/null; then
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fail 'unexpected help output'
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th_showOutput
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fi
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}
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testNoHelp() {
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if ! flags_getoptIsEnh; then
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startSkipping
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fi
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( FLAGS --nohelp >"${stdoutF}" 2>"${stderrF}" )
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r3turn=$?
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assertTrue "FLAGS returned a non-zero result (${r3turn})" ${r3turn}
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assertFalse 'expected no output to STDOUT' "[ -s '${stdoutF}' ]"
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assertFalse 'expected no output to STDERR' "[ -s '${stderrF}' ]"
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}
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testLoggingLevel() {
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# Check that the default logging level is set properly.
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got=`flags_loggingLevel` want=${__FLAGS_LEVEL_DEFAULT}
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assertTrue "Unexpected default logging level = ${got}, want ${want}" "[ ${got} -eq ${want} ]"
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# Override the logging level, and check again.
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flags_setLoggingLevel "${FLAGS_LEVEL_FATAL}"
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flags_setLoggingLevel "${FLAGS_LEVEL_INFO}"
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got=`flags_loggingLevel` want=${FLAGS_LEVEL_INFO}
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assertTrue "Unexpected configured logging level = ${got}, want ${want}" "[ ${got} -eq ${want} ]"
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}
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# According to https://github.com/kward/shflags/issues/28
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#
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# DEFINE_boolean misbehaves when help-string is empty
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testIssue28() {
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# shellcheck disable=SC2034
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DEFINE_boolean 'force' false '' f
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testHelp && return
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}
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oneTimeSetUp() {
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th_oneTimeSetUp
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if flags_getoptIsStd; then
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th_warn 'Standard version of getopt found. Enhanced tests will be skipped.'
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return
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fi
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th_warn 'Enhanced version of getopt found. Standard tests will be skipped.'
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}
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setUp() {
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flags_reset
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}
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# Load and run shUnit2.
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# shellcheck disable=SC2034
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[ -n "${ZSH_VERSION:-}" ] && SHUNIT_PARENT=$0
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. "${TH_SHUNIT}"
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