Patch from mdm@google.com...

third_party/xdg-utils/tests/include/testcontrol.sh

Index: third_party/xdg-utils/tests/include/testcontrol.sh
===================================================================
--- third_party/xdg-utils/tests/include/testcontrol.sh	(revision 0)
+++ third_party/xdg-utils/tests/include/testcontrol.sh	(revision 0)
@@ -0,0 +1,121 @@
+
+if [ -z "$IC_NUM" ] ; then
+	declare -i IC_NUM=1
+fi
+
+run_test() {
+## USAGE:
+# run_test test_func
+
+# if tests are being run with TET or the test runner
+if [  ! -z "$USING_TET" -o ! -z "$USING_TEST_RUNNER" ]; then
+	## The TET framework REQUIRES variables of the form $ic1 ... $icN
+	## where each variable is a list of test functions. Here, there is only
+	## one test function per $icN variable. Each $icN variable MUST be present 
+	## in the $iclist
+	export ic$IC_NUM="$1"
+	export iclist="$iclist ic$IC_NUM"
+
+	## The standalone test runner executes each function in $TEST_LIST
+	export TEST_LIST="$TEST_LIST $1"
+
+else # test is being run directly.
+	test_setup
+	
+	## Subshell is necessary for containment
+	( "$1" )
+	test_cleanup
+fi
+IC_NUM=$(($IC_NUM+1))
+
+}
+
+repeat_test() {
+## USAGE: 
+# repeat_test test_func N var1 ... varN var1_value1 ... var1_valueM ... varN_valueM
+# where N is the number of values to substiute and M is the number of 
+# values each varable takes
+# 
+# EXAMPLE
+# repeat_test copy_file 2 INPUT OUTPUT infile1 infile2 outfile1 outfile2
+# 
+# NOTE - all variables MUST have the same number of arguments
+
+if [ "$#" -lt 4 ] ; then
+	echo "TEST SYNTAX ERROR: repeat_test() requires at least 4 arguments!"
+	exit 255
+fi
+
+FUNC="$1"
+VARS="$2"
+shift 2
+
+## get list of variables
+declare -i I=1
+while [ "$I" -le "$VARS" ]; do
+	eval "v$I=$1"
+	shift 1
+
+	eval "out=\$v$I"
+	I=$(($I+1))
+done
+
+#echo "----"
+
+## $LENGTH is the number of values each variable takes
+declare -i LENGTH=$(( $# / $VARS ))
+#echo "list size: $LENGTH"
+
+## Main loop: create a test function for each set of values.
+declare -i J=1
+while [ "$J" -le "$LENGTH" ] ; do
+	declare -i I=1
+	## Begin test function string
+
+	# it is only safe to use $IC_NUM since run_test is used later in this function.
+	str="$FUNC-$J-$IC_NUM() {" 
+
+	while [ "$I" -le "$VARS" ] ; do
+		## Assign each value to appropriate variable
+		eval "var=\$v$I"
+		eval "value=\$$(( ($I-1)*$LENGTH+$J ))"
+		#echo "$var: $value"
+		str="$str
+		$var=\"$value\""
+	
+		I=$(($I+1))
+	done
+	## Close the test function and load it
+	str="$str
+		$FUNC
+	}"
+	#echo "$str"
+	eval "$str"
+	run_test "$FUNC-$J-$IC_NUM"
+
+	J=$(($J+1))
+done
+
+}
+
+. "$XDG_TEST_DIR/include/tempfile.sh"
+
+test_setup() {
+	get_guid "xdgt"
+	export XDG_TEST_ID="$GUID"
+	get_tmpsubdir "$XDG_TEST_DIR/tmp"
+	export XDG_TEST_TMPDIR="$TMPSUBDIR"
+	cd "$XDG_TEST_TMPDIR"
+	
+	get_shortid "$XDG_TEST_DIR/tmp/shortid"
+	export XDG_TEST_SHORTID="$SHORTID"
+}
+
+test_cleanup() {
+	if [ -z "$XDG_TEST_DONT_CLEANUP" ] ; then
+		cd "$XDG_TEST_DIR"
+		# ALWAYS check what you pass to 'rm -rf'
+		[ -d "$XDG_TEST_TMPDIR" ] && rm -rf "$XDG_TEST_TMPDIR"
+	fi
+}
+