busybox/tests/tester.sh

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#!/bin/bash
#
# tester.sh - reads testcases from file and tests busybox applets vs GNU
# counterparts
#
# This should be run from within the tests/ directory. Before you run it, you
# should compile up a busybox that has all applets and all features turned on.
# set up defaults (can be changed with cmd-line options)
BUSYBOX=../busybox
TESTCASES=testcases
LOGFILE=tester.log
BB_OUT=bb.out
GNU_OUT=gnu.out
SETUP=""
CLEANUP=""
KEEPTMPFILES="no"
DEBUG=2
#while getopts 'p:t:l:b:g:s:c:kd:' opt
while getopts 'p:t:l:s:c:kd:' opt
do
case $opt in
p) BUSYBOX=$OPTARG; ;;
t) TESTCASES=$OPTARG; ;;
l) LOGFILE=$OPTARG; ;;
# b) BB_OUT=$OPTARG; ;;
# g) GNU_OUT=$OPTARG; ;;
s) SETUP=$OPTARG; ;;
c) CLEANUP=$OPTARG; ;;
k) KEEPTMPFILES="yes"; ;;
d) DEBUG=$OPTARG; ;;
*)
echo "usage: $0 [-ptlbgsc]"
echo " -p PATH path to busybox executable (default=$BUSYBOX)"
echo " -t FILE run testcases in FILE (default=$TESTCASES)"
echo " -l FILE log test results in FILE (default=$LOGFILE)"
# echo " -b FILE store temporary busybox output in FILE"
# echo " -g FILE store temporary GNU output in FILE"
echo " -s FILE (setup) run commands in FILE before testcases"
echo " -c FILE (cleanup) run commands in FILE after testcases"
echo " -k keep temporary output files (don't delete them)"
echo " -d NUM set level of debugging output"
echo " 0 = no output"
echo " 1 = output failures / whoops lines only"
echo " 2 = (default) output setup / cleanup msgs and testcase lines"
echo " 3+= other debug noise (internal stuff)"
exit 1
;;
esac
done
#shift `expr $OPTIND - 1`
# maybe print some debug output
if [ $DEBUG -ge 3 ]
then
echo "BUSYBOX=$BUSYBOX"
echo "TESTCASES=$TESTCASES"
echo "LOGFILE=$LOGFILE"
echo "BB_OUT=$BB_OUT"
echo "GNU_OUT=$GNU_OUT"
echo "SETUP=$SETUP"
echo "CLEANUP=$CLEANUP"
echo "DEBUG=$DEBUG"
fi
# do sanity checks
if [ ! -e $BUSYBOX ]
then
echo "Busybox executable: $BUSYBOX not found!"
exit 1
fi
if [ ! -e $TESTCASES ]
then
echo "Testcases file: $TESTCASES not found!"
exit 1
fi
# do normal setup
[ -e $LOGFILE ] && rm $LOGFILE
unalias -a # gets rid of aliases that might create different output
# do extra setup (if any)
if [ ! -z "$SETUP" ]
then
[ $DEBUG -ge 2 ] && echo "running setup commands in $SETUP"
source $SETUP
fi
# go through each line in the testcase file
cat $TESTCASES | while read line
do
#echo $line
# only process non-blank lines and non-comment lines
if [ "$line" ]
then
if [ `echo "$line" | cut -c1` != "#" ]
then
# test if the applet was compiled into busybox
# (this only tests the applet at the beginning of the line)
#applet=`echo $line | cut -d' ' -f1`
applet=`echo $line | sed 's/\(^[^ ;]*\)[ ;].*/\1/'`
$BUSYBOX 2>&1 | grep -qw $applet
if [ $? -eq 1 ]
then
echo "WHOOPS: $applet not compiled into busybox" | tee -a $LOGFILE
else
# execute line using gnu / system programs
[ $DEBUG -ge 2 ] && echo "testing: $line" | tee -a $LOGFILE
sh -c "$line" > $GNU_OUT
# change line to include "busybox" before every statement
line="$BUSYBOX $line"
# is this a bash-2-ism?
# line=${line//;/; $BUSYBOX }
# line=${line//|/| $BUSYBOX }
# assume $BUSYBOX has no commas
line=`echo "$line" | sed -e 's,;,; '$BUSYBOX, \
-e 's, |, | '$BUSYBOX,`
# execute line using busybox programs
[ $DEBUG -ge 2 ] && echo "testing: $line" | tee -a $LOGFILE
sh -c "$line" > $BB_OUT
# see if they match
diff -q $BB_OUT $GNU_OUT > /dev/null
if [ $? -eq 1 ]
then
[ $DEBUG -ge 1 ] && echo "FAILED: $line" | tee -a $LOGFILE
diff -u $BB_OUT $GNU_OUT >> $LOGFILE
fi
fi
fi
fi
done
[ $DEBUG -gt 0 ] && echo "Finished. Results are in $LOGFILE"
# do normal cleanup
[ "$KEEPTMPFILES" = "no" ] && rm -f $BB_OUT $GNU_OUT
# do extra cleanup (if any)
if [ ! -z "$CLEANUP" ]
then
[ $DEBUG -ge 2 ] && echo "running cleanup commands in $CLEANUP"
source $CLEANUP
fi