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| -rw-r--r-- | scripts/test/testing.sh | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/scripts/test/testing.sh b/scripts/test/testing.sh new file mode 100644 index 00000000..14c9493f --- /dev/null +++ b/scripts/test/testing.sh @@ -0,0 +1,151 @@ +# Simple test harness infrastructurei for BusyBox +# +# Copyright 2005 by Rob Landley + +# This file defines two functions, "testing" and "optionflag" + +# The following environment variables enable optional behavior in "testing": +# DEBUG - Show every command run by test script. +# VERBOSE - Print the diff -u of each failed test case. +# SKIP - do not perform this test (this is set by "optionflag") +# +# The "testing" function takes five arguments: +# $1) Description to display when running command +# $2) Command line arguments to command +# $3) Expected result (on stdout) +# $4) Data written to file "input" +# $5) Data written to stdin +# +# The exit value of testing is the exit value of the command it ran. +# +# The environment variable "FAILCOUNT" contains a cumulative total of the +# number of failed tests. + +# The "optional" function is used to skip certain tests, ala: +# optionflag CFG_THINGY +# +# The "optional" function checks the environment variable "OPTIONFLAGS", +# which is either empty (in which case it always clears SKIP) or +# else contains a colon-separated list of features (in which case the function +# clears SKIP if the flag was found, or sets it to 1 if the flag was not found). + +export FAILCOUNT=0 +export SKIP= + +# Helper functions + +optional() +{ + option=`echo "$OPTIONFLAGS" | egrep "(^|:)$1(:|\$)"` + # Not set? + if [ -z "$1" ] || [ -z "$OPTIONFLAGS" ] || [ ${#option} -ne 0 ] + then + SKIP="" + return + fi + SKIP=1 +} + +# The testing function + +testing () +{ + NAME="$1" + [ -z "$1" ] && NAME=$2 + + if [ $# -ne 5 ] + then + echo "Test $NAME has the wrong number of arguments ($# $*)" >&2 + exit + fi + + [ -n "$DEBUG" ] && set -x + + if [ -n "$SKIP" ] + then + echo "SKIPPED: $NAME" + return 0 + fi + + echo -ne "$3" > expected + echo -ne "$4" > input + [ -z "$VERBOSE" ] || echo "echo '$5' | $2" + echo -ne "$5" | eval "$2" > actual + RETVAL=$? + + cmp expected actual > /dev/null + if [ $? -ne 0 ] + then + FAILCOUNT=$[$FAILCOUNT+1] + echo "FAIL: $NAME" + [ -n "$VERBOSE" ] && diff -u expected actual + else + echo "PASS: $NAME" + fi + rm -f input expected actual + + [ -n "$DEBUG" ] && set +x + + return $RETVAL +} + +# Recursively grab an executable and all the libraries needed to run it. +# Source paths beginning with / will be copied into destpath, otherwise +# the file is assumed to already be there and only its library dependencies +# are copied. + +function mkchroot +{ + [ $# -lt 2 ] && return + + echo -n . + + dest=$1 + shift + for i in "$@" + do + [ "${i:0:1}" == "/" ] || i=$(which $i) + [ -f "$dest/$i" ] && continue + if [ -e "$i" ] + then + d=`echo "$i" | grep -o '.*/'` && + mkdir -p "$dest/$d" && + cat "$i" > "$dest/$i" && + chmod +x "$dest/$i" + else + echo "Not found: $i" + fi + mkchroot "$dest" $(ldd "$i" | egrep -o '/.* ') + done +} + +# Set up a chroot environment and run commands within it. +# Needed commands listed on command line +# Script fed to stdin. + +function dochroot +{ + mkdir tmpdir4chroot + mount -t ramfs tmpdir4chroot tmpdir4chroot + mkdir -p tmpdir4chroot/{etc,sys,proc,tmp,dev} + cp -L testing.sh tmpdir4chroot + + # Copy utilities from command line arguments + + echo -n "Setup chroot" + mkchroot tmpdir4chroot $* + echo + + mknod tmpdir4chroot/dev/tty c 5 0 + mknod tmpdir4chroot/dev/null c 1 3 + mknod tmpdir4chroot/dev/zero c 1 5 + + # Copy script from stdin + + cat > tmpdir4chroot/test.sh + chmod +x tmpdir4chroot/test.sh + chroot tmpdir4chroot /test.sh + umount -l tmpdir4chroot + rmdir tmpdir4chroot +} + |