source: MondoRescue/branches/3.2/mindi-busybox/shell/hush_test/run-all

#!/bin/sh

unset LANG LANGUAGE
unset LC_COLLATE
unset LC_CTYPE
unset LC_MONETARY
unset LC_MESSAGES
unset LC_NUMERIC
unset LC_TIME
unset LC_ALL

if test ! -x hush; then
    if test ! -x ../../busybox; then
        echo "Can't run tests. Put hush binary into this directory (`pwd`)"
        exit 1
    fi
    echo "No ./hush - creating a link to ../../busybox"
    ln -s ../../busybox hush
fi
if test ! -f .config; then
    if test ! -f ../../.config; then
        echo "Missing .config file"
        exit 1
    fi
    cp ../../.config . || exit 1
fi

eval $(sed -e '/^#/d' -e '/^$/d' -e 's:^:export :' .config)

PATH="`pwd`:$PATH" # for hush and recho/zecho/printenv
export PATH

THIS_SH="`pwd`/hush"
export THIS_SH

do_test()
{
    test -d "$1" || return 0
    d=${d%/}
#   echo Running tests in directory "$1"
    (
    tret=0
    cd "$1" || { echo "cannot cd $1!"; exit 1; }
    for x in run-*; do
        test -f "$x" || continue
        case "$x" in
            "$0"|run-minimal|run-gprof) ;;
            *.orig|*~) ;;
            #*) echo $x ; sh $x ;;
            *)
            echo -n "$1/$x:"
            sh "$x" >"../$1-$x.fail" 2>&1 && \
            { { echo " ok"; rm "../$1-$x.fail"; } || echo " fail"; }
            ;;
        esac
    done
    # Many bash run-XXX scripts just do this,
    # no point in duplication it all over the place
    for x in *.tests; do
    test -x "$x" || continue
    name="${x%%.tests}"
    test -f "$name.right" || continue
#   echo Running test: "$x"
    echo -n "$1/$x:"
    (
        "$THIS_SH" "./$x" >"$name.xx" 2>&1
        # filter C library differences
        sed -i \
            -e "/: invalid option /s:'::g" \
            "$name.xx"
        test $? -eq 77 && rm -f "../$1-$x.fail" && exit 77
        diff -u "$name.xx" "$name.right" >"../$1-$x.fail" && rm -f "$name.xx" "../$1-$x.fail"
    )
    case $? in
        0)  echo " ok";;
        77) echo " skip (feature disabled)";;
        *)  echo " fail"; tret=1;;
    esac
    done
    exit ${tret}
    )
}

# Main part of this script
# Usage: run-all [directories]

ret=0

if [ $# -lt 1 ]; then
    # All sub directories
    modules=`ls -d hush-*`

    for module in $modules; do
    do_test $module || ret=1
    done
else
    while [ $# -ge 1 ]; do
    if [ -d $1 ]; then
        do_test $1 || ret=1
    fi
    shift
    done
fi

exit ${ret}