autotest.sh

#!/usr/bin/env sh
print_usage() {
    printf "Usage: %s [-t=TESTFILE] [-w=WATCHDIR]\n" $(basename $0)
    echo "    TESTFILE     Command to run test"
    echo "    WATCHDIR     Dir to watch for changes"
    exit 2

}
# you need these dependencies:
#   sudo apt-get install inotify-tools
#   sudo apt-get install libnotify-bin
check_dependencies() {
    which notify-send > /dev/null
    if [ $? -ne 0 ]
    then
        echo "notify-send not found" >&2
        exit -1
    fi
    which inotifywait > /dev/null
    if [ $? -ne 0 ]
    then
        echo "inotifywait not found" >&2
        exit -1
    fi
}
message() {
    notify-send --icon=gtk-dialog-info "Test OK" "$1"
}
warn() {
    notify-send --icon=gtk-dialog-warning "Test Failed" "$1"
}
error() {
    notify-send --icon=gtk-dialog-error "Fatal error" "$1"
}
run_test() {
    $TEST_COMMAND | while read line
    do
        echo $line
        if echo $line | grep --quiet --perl-regexp --regexp='^[0-9]+ tests, [0-9]+ assertions, 0 failures, 0 errors$'
        then
            message "$line"
        elif echo $line | grep --quiet --perl-regexp --regexp='^[0-9]+ tests, [0-9]+ assertions, [0-9]+ failures, [0-9]+ errors$'
        then
            warn "$line"
        elif echo $line | grep --quiet --perl-regexp --regexp='^\(Fatal\|Parse\) error'
        then
            error "$line"
        fi
    done
}
watch() {
    CHANGED_FILE=`inotifywait -rq --format '%f' -e modify $WATCH_DIRECTORY`
    if [ -f $CHANGED_FILE ] && echo $CHANGED_FILE | grep --quiet --invert-match --perl-regexp --regexp='^#.*#$'
    then
        echo "$CHANGED_FILE changed"
        run_test
    fi
    watch
}
#
# main
#
TEST_COMMAND="rake test"
WATCH_DIRECTORY="."
while getopts ht:w: OPTION
do
    case $OPTION
        in
        t) TEST_COMMAND=${OPTARG}
            ;;
        w) WATCH_DIRECTORY=${OPTARG}
            ;;
        h) print_usage
            ;;
        ?) print_usage
            ;;
    esac
done
check_dependencies
echo "Starting autotest"
echo "    running tests with: $TEST_COMMAND"
echo "    watching path:      $WATCH_DIRECTORY"
run_test
watch