tests: Keep track of basename

basename returns the filename without path information (but with
the file extension).  We can get this more efficiently via shell
variables.

Also, for the socket name, use the test's name without the file
extension.

Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Signed-off-by: Bryce Harrington <bryce@osg.samsung.com>
[Pekka: rebased without "tests: Support --config to enable tests to
override config defaults".]

tests/weston-tests-env

@@ -1,8 +1,9 @@
 #!/bin/bash
 
-TESTNAME=$1
+TEST_FILE=${1##*/}
+TEST_NAME=${TEST_FILE%.*}
 
-if test -z "$TESTNAME"; then
+if test -z "$TEST_NAME"; then
 	echo "usage: $(basename $0) <test name>"
 	exit 1;
 fi
@@ -27,26 +28,26 @@ SHELL_PLUGIN=$MODDIR/desktop-shell.so
 TEST_PLUGIN=$MODDIR/weston-test.so
 XWAYLAND_PLUGIN=$MODDIR/xwayland.so
 
-case $TESTNAME in
+case $TEST_FILE in
 	*.la|*.so)
 		WESTON_BUILD_DIR=$abs_builddir \
 		$WESTON --backend=$MODDIR/$BACKEND \
 			--no-config \
 			--shell=$SHELL_PLUGIN \
-			--socket=test-$(basename $TESTNAME) \
-			--modules=$MODDIR/${TESTNAME/.la/.so},$XWAYLAND_PLUGIN \
+			--socket=test-${TEST_NAME} \
+			--modules=$MODDIR/${TEST_FILE/.la/.so},$XWAYLAND_PLUGIN \
 			--log="$SERVERLOG" \
 			&> "$OUTLOG"
 		;;
 	*)
 		WESTON_BUILD_DIR=$abs_builddir \
-		WESTON_TEST_CLIENT_PATH=$abs_builddir/$TESTNAME $WESTON \
-			--socket=test-$(basename $TESTNAME) \
+		WESTON_TEST_CLIENT_PATH=$abs_builddir/$TEST_FILE $WESTON \
+			--socket=test-${TEST_NAME} \
 			--backend=$MODDIR/$BACKEND \
 			--no-config \
 			--shell=$SHELL_PLUGIN \
 			--log="$SERVERLOG" \
 			--modules=$TEST_PLUGIN,$XWAYLAND_PLUGIN \
-			$($abs_builddir/$TESTNAME --params) \
+			$($abs_builddir/$TEST_FILE --params) \
 			&> "$OUTLOG"
 esac