#!/bin/sh

# A test runner file.
# Intended to be run from `./run-tests` script *within* a virtual machine.
# DO NOT run it locally as it might overwrite your `.tmux.conf` (that's what it
# does during the tests).

_dirname()
{   #portable dirname
    [ -z "${1}" ] && return 1

    #http://www.linuxselfhelp.com/gnu/autoconf/html_chapter/autoconf_10.html
    case "${1}" in
        /*|*/*) local dir; dir=$(expr "x${1}" : 'x\(.*\)/[^/]*' \| '.' : '.')
                printf "%s\\n" "${dir}" ;;
             *) printf "%s\\n" ".";;
    esac
}

CURRENT_DIR="$( cd "$( _dirname "$0" )" && pwd )"

# running test suite is successful by default
tests_exit_value="0"

set_global_exit_val_to_false() {
	tests_exit_value="1"
}

test_files() {
	ls -1 "$CURRENT_DIR"     |      # test files are in the current dir
		grep -i '^test' |       # test file names start with 'test'
		xargs                   # file names in one line
}

run_tests() {
	local test_file
	for test_file in "$CURRENT_DIR"/test*; do
                [ -f "${test_file}" ] || continue
		printf "%s\\n" "Running test: ${test_file##*/}"
		"$test_file"

		# handling exit value
		local exit_value="$?"
		if [ "$exit_value" != "0" ]; then
			set_global_exit_val_to_false
		fi
	done
}

main() {
	run_tests
	exit "$tests_exit_value"
}
main