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-# Simple test harness infrastructure
-#
-# Copyright 2005 by Rob Landley
-
-# This file defines two main functions, "testcmd" and "optional". The
-# first performs a test, the second enables/disables tests based on
-# configuration options.
-
-# 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.
-# If equal to "fail", stop after first failed test.
-#
-# The "testcmd" 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 "testing" function is like testcmd but takes a complete command line
-# (I.E. you have to include the command name.) The variable $C is an absolute
-# path to the command being tested, which can bypass shell builtins.
-#
-# The exit value of testcmd is the exit value of the command it ran.
-#
-# The environment variable "FAILCOUNT" contains a cumulative total of the
-# number of failed tests.
-#
-# The "optional" function is used to skip certain tests (by setting the
-# environment variable SKIP), ala:
-# optional CFG_THINGY
-#
-# The "optional" function checks the environment variable "OPTIONFLAGS",
-# which is either empty (in which case it always clears SKIP) or
-# else contains a colon-separated list of features (in which case the function
-# clears SKIP if the flag was found, or sets it to 1 if the flag was not found).
-
-export FAILCOUNT=0
-export SKIP=
-
-# Helper functions
-
-# Check config to see if option is enabled, set SKIP if not.
-
-SHOWPASS=PASS
-SHOWFAIL=FAIL
-SHOWSKIP=SKIP
-
-if tty -s <&1
-then
- SHOWPASS="$(echo -e "\033[1;32m${SHOWPASS}\033[0m")"
- SHOWFAIL="$(echo -e "\033[1;31m${SHOWFAIL}\033[0m")"
- SHOWSKIP="$(echo -e "\033[1;33m${SHOWSKIP}\033[0m")"
-fi
-
-optional()
-{
- option=`echo "$OPTIONFLAGS" | egrep "(^|:)$1(:|\$)"`
- # Not set?
- if [ -z "$1" ] || [ -z "$OPTIONFLAGS" ] || [ ${#option} -ne 0 ]
- then
- SKIP=""
- return
- fi
- SKIP=1
-}
-
-wrong_args()
-{
- if [ $# -ne 5 ]
- then
- echo "Test $NAME has the wrong number of arguments ($# $*)" >&2
- exit
- fi
-}
-
-# The testing function
-
-testing()
-{
- NAME="$CMDNAME $1"
- wrong_args "$@"
-
- [ -z "$1" ] && NAME=$2
-
- [ -n "$DEBUG" ] && set -x
-
- if [ -n "$SKIP" ] || ( [ -n "$SKIP_HOST" ] && [ -n "$TEST_HOST" ])
- then
- [ ! -z "$VERBOSE" ] && echo "$SHOWSKIP: $NAME"
- return 0
- fi
-
- echo -ne "$3" > expected
- echo -ne "$4" > input
- echo -ne "$5" | ${EVAL:-eval} -- "$2" > actual
- RETVAL=$?
-
- # Catch segfaults
- [ $RETVAL -gt 128 ] && [ $RETVAL -lt 255 ] &&
- echo "exited with signal (or returned $RETVAL)" >> actual
-
- DIFF="$(diff -au${NOSPACE:+b} expected actual)"
- if [ ! -z "$DIFF" ]
- then
- FAILCOUNT=$[$FAILCOUNT+1]
- echo "$SHOWFAIL: $NAME"
- if [ -n "$VERBOSE" ]
- then
- [ ! -z "$4" ] && echo "echo -ne \"$4\" > input"
- echo "echo -ne '$5' |$EVAL $2"
- echo "$DIFF"
- [ "$VERBOSE" == fail ] && exit 1
- fi
- else
- echo "$SHOWPASS: $NAME"
- fi
- rm -f input expected actual
-
- [ -n "$DEBUG" ] && set +x
-
- return 0
-}
-
-testcmd()
-{
- wrong_args "$@"
-
- testing "$1" "$C $2" "$3" "$4" "$5"
-}
-
-# 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
-}
-