#
# License is GPLv2, see LICENSE in the busybox tarball for full license text.
-# The "testing" function uses one environment variable:
-# COMMAND = command to execute
+# This file defines two functions, "testing" and "optionflag"
+
+# The following environment variables may be set to enable optional behavior
+# in "testing":
+# VERBOSE - Print the diff -u of each failed test case.
+# DEBUG - Enable command tracing.
+# SKIP - do not perform this test (this is set by "optionflag")
#
-# The function takes five arguments:
+# The "testing" function takes five arguments:
# $1) Description to display when running command
-# $2) Command line arguments to command"
-# $3) Expected result (on stdout)"
+# $2) Command line arguments to command
+# $3) Expected result (on stdout)
# $4) Data written to file "input"
# $5) Data written to stdin
#
# The exit value of testing is the exit value of the command it ran.
#
# The environment variable "FAILCOUNT" contains a cumulative total of the
-#
-
-verbose=0
-debug=0
-force=0
-for x in "$@" ; do
- case "$x" in
- -v|--verbose) verbose=1; shift;;
- -d|--debug) debug=1; shift;;
- -f|--force) force=1; shift;;
- --) break;;
- -*) echo "Unknown option '$x'"; exit 1;;
- *) break;;
- esac
-done
-
-if [ -n "$VERBOSE" ] ; then
- verbose=1
-fi
-if [ -n "$DEBUG" ] ; then
- debug=1
-fi
+# number of failed tests.
+
+# The "optional" function is used to skip certain tests, ala:
+# optionflag CONFIG_FEATURE_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
-config_is_set ()
+optional()
{
- local uc_what=$(echo ${1?} | tr a-z A-Z)
- grep -q "^[ ]*CONFIG_${uc_what}" ${bindir:-..}/.config || \
- grep -q "^[ ]*BB_CONFIG_${uc_what}" ${bindir:-..}/.config
- return $?
+ option=`echo "$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 $1 has the wrong number of arguments" >&2
+ echo "Test $NAME has wrong number of arguments (must be 5) ($# $*)" >&2
exit
fi
- if [ "$debug" = "1" ] ; then
- set -x
- fi
+ [ -n "$DEBUG" ] && set -x
- if [ -n "$_BB_CONFIG_DEP" ] && [ "${force}" = "0" ]
+ if [ -n "$SKIP" ]
then
- if ! config_is_set "$_BB_CONFIG_DEP"
- then
- echo "SKIPPED: $1"
- return 0
- fi
+ echo "SKIPPED: $NAME"
+ return 0
fi
echo -ne "$3" > expected
echo -ne "$4" > input
- echo -n -e "$5" | eval "$COMMAND $2" > actual
+ [ -z "$VERBOSE" ] || echo "echo '$5' | $2"
+ echo -ne "$5" | eval "$2" > actual
RETVAL=$?
- cmp expected actual > /dev/null
+ cmp expected actual >/dev/null 2>/dev/null
if [ $? -ne 0 ]
then
- ((FAILCOUNT++))
- echo "FAIL: $1"
- if [ "$verbose" = "1" ]
- then
- diff -u expected actual
- fi
+ FAILCOUNT=$[$FAILCOUNT+1]
+ echo "FAIL: $NAME"
+ [ -n "$VERBOSE" ] && diff -u expected actual
else
- echo "PASS: $1"
+ echo "PASS: $NAME"
fi
rm -f input expected actual
- if [ "$debug" = "1" ] ; then
- set +x
- fi
+ [ -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.
+
+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.
+
+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
+}
+
projects / oweals / busybox.git / blobdiff