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# vim:et:ft=sh:sts=2:sw=2
#
# shFlags unit test common functions
#
# Copyright 2008-2018 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
# $() are not fully portable (POSIX != portable).
# shellcheck disable=SC2006
# Arrays are not available in all shells.
# shellcheck disable=SC2089
# Exporting variables shouldn't impact their contents.
# shellcheck disable=SC2090
# Disagree with [ p ] && [ q ] vs [ p -a -q ] recommendation.
# shellcheck disable=SC2166
# Exit immediately if a simple command exits with a non-zero status.
set -e
# Treat unset variables as an error when performing parameter expansion.
set -u
# Set shwordsplit for zsh.
[ -n "${ZSH_VERSION:-}" ] && setopt shwordsplit
# Message functions.
th_trace() { echo "test:TRACE $*" >&2; }
th_debug() { echo "test:DEBUG $*" >&2; }
th_info() { echo "test:INFO $*" >&2; }
th_warn() { echo "test:WARN $*" >&2; }
th_error() { echo "test:ERROR $*" >&2; }
th_fatal() { echo "test:FATAL $*" >&2; exit 1; }
# Path to shFlags library. Can be overridden by setting SHFLAGS_INC.
TH_SHFLAGS=${SHFLAGS_INC:-./shflags}; export TH_SHFLAGS
# Path to shUnit2 library. Can be overridden by setting SHUNIT_INC.
TH_SHUNIT=${SHUNIT_INC:-lib/shunit2}; export TH_SHUNIT
TH_BOOL_VALID='true t 0 false f 1'; export TH_BOOL_VALID
TH_BOOL_INVALID='123 123.0 invalid'; export TH_BOOL_INVALID
TH_FLOAT_VALID='-1234.0 -1.0 -.123 0.0 0. .123 1.0 1234.0'
export TH_FLOAT_VALID
TH_FLOAT_INVALID='true false 1.2.3 -1.2.3 ""'; export TH_FLOAT_INVALID
TH_INT_VALID='-1234 -1 0 1 1234'; export TH_INT_VALID
TH_INT_INVALID='true false -1.0 -.123 0.0 .123 1.0 ""'; export TH_INT_INVALID
#
# Test helper functions.
#
th_oneTimeSetUp() {
# Load shFlags.
# shellcheck disable=SC2034
[ -n "${ZSH_VERSION:-}" ] && FLAGS_PARENT=$0
. "${TH_SHFLAGS}"
# These files will be cleaned up automatically by shUnit2.
tmpDir=${SHUNIT_TMPDIR}; export tmpDir
stdoutF="${tmpDir}/stdout" && touch "${stdoutF}"
stderrF="${tmpDir}/stderr" && touch "${stderrF}"
returnF="${tmpDir}/return" && touch "${returnF}"
expectedF="${tmpDir}/expected" && touch "${expectedF}"
}
th_showOutput() {
if isSkipping; then
return
fi
_th_return="${1:-${returnF}}"
_th_stdout="${2:-${stdoutF}}"
_th_stderr="${3:-${stderrF}}"
if [ "${_th_return}" != "${FLAGS_TRUE}" ]; then
# shellcheck disable=SC2166
if [ -n "${_th_stdout}" -a -s "${_th_stdout}" ]; then
echo '>>> STDOUT' >&2
cat "${_th_stdout}" >&2
echo '<<< STDOUT' >&2
fi
# shellcheck disable=SC2166
if [ -n "${_th_stderr}" -a -s "${_th_stderr}" ]; then
echo '>>> STDERR' >&2
cat "${_th_stderr}" >&2
echo '<<< STDERR' >&2
fi
fi
unset _th_rtrn _th_stdout _th_stderr
}
# Some shells, zsh on Solaris in particular, return immediately from a sub-shell
# when a non-zero return value is encountered. To properly catch these values,
# they are either written to disk, or recognized as an error the file is empty.
th_clearReturn() { cp /dev/null "${returnF}"; }
th_queryReturn() {
if [ -s "${returnF}" ]; then
cat "${returnF}"
return $?
fi
echo "${SHUNIT_ERROR}"
return "${SHUNIT_ERROR}"
}
assertWarnMsg() { _th_assertMsg 'WARN' "${1:-}" "${2:-}"; }
assertErrorMsg() { _th_assertMsg 'ERROR' "${1:-}" "${2:-}"; }
assertFatalMsg() { _th_assertMsg 'FATAL' "${1:-}" "${2:-}"; }
_th_assertMsg() {
_th_alert_type_=$1
_th_alert_msg_=$2
_th_msg_=$3
case ${_th_alert_type_} in
WARN) _th_alert_str_='a warning' ;;
ERROR) _th_alert_str_='an error' ;;
FATAL) _th_alert_str_='a fatal' ;;
esac
if [ -z "${_th_alert_msg_}" ]; then
_th_alert_msg_='.*'
fi
if [ -n "${_th_msg_}" ]; then
_th_msg_="(${_th_msg_}) "
fi
(grep -- "^flags:${_th_alert_type_} ${_th_alert_msg_}" "${stderrF}" >/dev/null)
assertEquals "FLAGS ${_th_msg_}failure did not generate ${_th_alert_str_} message" "${FLAGS_TRUE}" $?
unset _th_alert_type_ _th_alert_msg_ _th_alert_str_ _th_msg_
}
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