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#! /bin/sh
# vim:et:ft=sh:sts=2:sw=2
#
# Unit test suite runner.
#
# Copyright 2008-2020 Kate Ward. All Rights Reserved.
# Released under the Apache 2.0 license.
#
# Author: kate.ward@forestent.com (Kate Ward)
# https://github.com/kward/shlib
#
# This script runs all the unit tests that can be found, and generates a nice
# report of the tests.
#
### Sample usage:
#
# Run all tests for all shells.
# $ ./test_runner
#
# Run all tests for single shell.
# $ ./test_runner -s /bin/bash
#
# Run single test for all shells.
# $ ./test_runner -t shunit_asserts_test.sh
#
# Run single test for single shell.
# $ ./test_runner -s /bin/bash -t shunit_asserts_test.sh
#
### ShellCheck (http://www.shellcheck.net/)
# Disable source following.
# shellcheck disable=SC1090,SC1091
# expr may be antiquated, but it is the only solution in some cases.
# shellcheck disable=SC2003
# $() are not fully portable (POSIX != portable).
# shellcheck disable=SC2006
# Return if test_runner already loaded.
[ -z "${RUNNER_LOADED:-}" ] || return 0
RUNNER_LOADED=0
RUNNER_ARGV0=`basename "$0"`
RUNNER_SHELLS='/bin/sh ash /bin/bash /bin/dash /bin/ksh /bin/mksh /bin/zsh'
RUNNER_TEST_SUFFIX='_test.sh'
true; RUNNER_TRUE=$?
false; RUNNER_FALSE=$?
runner_warn() { echo "runner:WARN $*" >&2; }
runner_error() { echo "runner:ERROR $*" >&2; }
runner_fatal() { echo "runner:FATAL $*" >&2; exit 1; }
runner_usage() {
echo "usage: ${RUNNER_ARGV0} [-e key=val ...] [-s shell(s)] [-t test(s)]"
}
_runner_tests() { echo ./*${RUNNER_TEST_SUFFIX} |sed 's#\./##g'; }
_runner_testName() {
# shellcheck disable=SC1117
_runner_testName_=`expr "${1:-}" : "\(.*\)${RUNNER_TEST_SUFFIX}"`
if [ -n "${_runner_testName_}" ]; then
echo "${_runner_testName_}"
else
echo 'unknown'
fi
unset _runner_testName_
}
main() {
# Find and load versions library.
for _runner_dir_ in . ${LIB_DIR:-lib}; do
if [ -r "${_runner_dir_}/versions" ]; then
_runner_lib_dir_="${_runner_dir_}"
break
fi
done
[ -n "${_runner_lib_dir_}" ] || runner_fatal 'Unable to find versions library.'
. "${_runner_lib_dir_}/versions" || runner_fatal 'Unable to load versions library.'
unset _runner_dir_ _runner_lib_dir_
# Process command line flags.
env=''
while getopts 'e:hs:t:' opt; do
case ${opt} in
e) # set an environment variable
key=`expr "${OPTARG}" : '\([^=]*\)='`
val=`expr "${OPTARG}" : '[^=]*=\(.*\)'`
# shellcheck disable=SC2166
if [ -z "${key}" -o -z "${val}" ]; then
runner_usage
exit 1
fi
eval "${key}='${val}'"
eval "export ${key}"
env="${env:+${env} }${key}"
;;
h) runner_usage; exit 0 ;; # help output
s) shells=${OPTARG} ;; # list of shells to run
t) tests=${OPTARG} ;; # list of tests to run
*) runner_usage; exit 1 ;;
esac
done
shift "`expr ${OPTIND} - 1`"
# Fill shells and/or tests.
shells=${shells:-${RUNNER_SHELLS}}
[ -z "${tests}" ] && tests=`_runner_tests`
# Error checking.
if [ -z "${tests}" ]; then
runner_error 'no tests found to run; exiting'
exit 1
fi
cat <<EOF
#------------------------------------------------------------------------------
# System data.
#
$ uname -mprsv
`uname -mprsv`
OS Name: `versions_osName`
OS Version: `versions_osVersion`
### Test run info.
shells: ${shells}
tests: ${tests}
EOF
for key in ${env}; do
eval "echo \"${key}=\$${key}\""
done
# Run tests.
runner_passing_=${RUNNER_TRUE}
for shell in ${shells}; do
echo
cat <<EOF
#------------------------------------------------------------------------------
# Running the test suite with ${shell}.
#
EOF
# Check for existence of shell.
shell_bin=${shell}
shell_name=''
shell_present=${RUNNER_FALSE}
case ${shell} in
ash)
shell_bin=`command -v busybox`
[ $? -eq "${RUNNER_TRUE}" ] && shell_present="${RUNNER_TRUE}"
shell_bin="${shell_bin:+${shell_bin} }ash"
shell_name=${shell}
;;
*)
[ -x "${shell_bin}" ] && shell_present="${RUNNER_TRUE}"
shell_name=`basename "${shell}"`
;;
esac
if [ "${shell_present}" -eq "${RUNNER_FALSE}" ]; then
runner_warn "unable to run tests with the ${shell_name} shell"
continue
fi
shell_version=`versions_shellVersion "${shell}"`
echo "shell name: ${shell_name}"
echo "shell version: ${shell_version}"
# Execute the tests.
for t in ${tests}; do
echo
echo "--- Executing the '`_runner_testName "${t}"`' test suite. ---"
# ${shell_bin} needs word splitting.
# shellcheck disable=SC2086
( exec ${shell_bin} "./${t}" 2>&1; )
shell_passing=$?
if [ "${shell_passing}" -ne "${RUNNER_TRUE}" ]; then
runner_warn "${shell_bin} not passing"
fi
test "${runner_passing_}" -eq ${RUNNER_TRUE} -a ${shell_passing} -eq ${RUNNER_TRUE}
runner_passing_=$?
done
done
return ${runner_passing_}
}
# Execute main() if this is run in standalone mode (i.e. not from a unit test).
if [ -z "${SHUNIT_VERSION}" ]; then
main "$@"
fi
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