From ec43ab469dec9b18a3393be9f51790a09f5d7948 Mon Sep 17 00:00:00 2001
From: Ron Yorston <rmy@pobox.com>
Date: Fri, 3 May 2019 09:29:26 +0100
Subject: testsuite: allow tests to work on Microsoft Windows

Signed-off-by: Ron Yorston <rmy@pobox.com>
---
 testsuite/busybox.tests | 19 +++++++++++++++----
 testsuite/runtest       | 18 ++++++++++++++++--
 2 files changed, 31 insertions(+), 6 deletions(-)

diff --git a/testsuite/busybox.tests b/testsuite/busybox.tests
index beb17440c..a671fa082 100755
--- a/testsuite/busybox.tests
+++ b/testsuite/busybox.tests
@@ -7,11 +7,22 @@
 . ./testing.sh
 test -f "$bindir/.config" && . "$bindir/.config"
 
-ln -s `which busybox` unknown
+if [ -f $bindir/busybox.exe ]; then
+	# Copy rather than link busybox.exe:  we can only make hard
+	# links which can't be deleted because Windows sees the
+	# executable as running.
+	suffix=".exe"
+	lncmd="cp"
+else
+	suffix=""
+	lncmd="ln -s"
+fi
+
+$lncmd `which busybox` unknown$suffix
 
 testing "busybox as unknown name" "./unknown 2>&1" \
 	"unknown: applet not found\n" "" ""
-rm unknown
+rm unknown$suffix
 
 # We need busybox --help to be enabled for the rest of tests
 test x"$CONFIG_BUSYBOX" = x"y" \
@@ -23,7 +34,7 @@ optional FEATURE_VERBOSE_USAGE
 testing "busybox --help busybox" "true | busybox --help busybox 2>&1 | cat" "$HELPDUMP\n" "" ""
 SKIP=
 
-ln -s `which busybox` busybox-suffix
+$lncmd `which busybox` busybox-suffix$suffix
 for i in busybox ./busybox-suffix
 do
 	testing "$i" "$i 2>&1 | cat" "$HELPDUMP\n" "" ""
@@ -42,6 +53,6 @@ do
 	testing "$i --help unknown" "$i --help unknown 2>&1" \
 		"unknown: applet not found\n" "" ""
 done
-rm busybox-suffix
+rm busybox-suffix$suffix
 
 exit $FAILCOUNT
diff --git a/testsuite/runtest b/testsuite/runtest
index 44f9cd1a1..9f9e8d3bd 100755
--- a/testsuite/runtest
+++ b/testsuite/runtest
@@ -99,6 +99,20 @@ if [ x"$1" = x"-v" ]; then
 	shift
 fi
 
+if [ -f $bindir/busybox.exe ]; then
+	suffix=".exe"
+	lnflag=""
+
+	# Some tests require /bin/echo and /bin/true exist
+	test ! -d /tmp && mkdir /tmp
+	test ! -d /bin && mkdir /bin
+	test ! -f /bin/echo.exe && cp "$bindir/busybox.exe" /bin/echo.exe
+	test ! -f /bin/true.exe && cp "$bindir/busybox.exe" /bin/true.exe
+else
+	suffix=""
+	lnflag="-s"
+fi
+
 implemented=$(
 	printf "busybox " # always implemented
 	"$bindir/busybox" 2>&1 |
@@ -128,7 +142,7 @@ for i in $implemented; do
 	# Note: if $LINKSDIR/applet exists, we do not overwrite it.
 	# Useful if one wants to run tests against a standard utility,
 	# not an applet.
-	ln -s "$bindir/busybox" "$LINKSDIR/$i" 2>/dev/null
+	ln $lnflag "$bindir/busybox$suffix" "$LINKSDIR/$i$suffix" 2>/dev/null
 done
 
 # Set up option flags so tests can be selective.
@@ -146,7 +160,7 @@ for applet in $applets; do
 
 	# Is this a new-style test?
 	if [ -f "$applet.tests" ]; then
-		if [ ! -e "$LINKSDIR/$applet" ]; then
+		if [ ! -e "$LINKSDIR/$applet$suffix" ]; then
 			# (avoiding bash'ism "${applet:0:4}")
 			if ! echo "$applet" | grep "^all_" >/dev/null; then
 				echo "SKIPPED: $applet (not built)"
-- 
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