tests: Allow tests to use customized command line parameters

Tests will now return the extra command line parameters they need
when run with --params

Signed-off-by: Bryce Harrington <bryce@osg.samsung.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>

tests/weston-test-runner.c

@@ -34,6 +34,8 @@
 
 #define SKIP 77
 
+char __attribute__((weak)) *server_parameters="";
+
 extern const struct weston_test __start_test_section, __stop_test_section;
 
 static const struct weston_test *
@@ -154,6 +156,12 @@ int main(int argc, char *argv[])
 			exit(EXIT_SUCCESS);
 		}
 
+		if (strcmp(testname, "--params") == 0 ||
+		    strcmp(testname, "-p") == 0) {
+			printf("%s", server_parameters);
+			exit(EXIT_SUCCESS);
+		}
+
 		t = find_test(argv[1]);
 		if (t == NULL) {
 			fprintf(stderr, "unknown test: \"%s\"\n", argv[1]);

tests/weston-tests-env

@@ -46,5 +46,6 @@ case $TESTNAME in
 			--shell=$SHELL_PLUGIN \
 			--log="$SERVERLOG" \
 			--modules=$TEST_PLUGIN,$XWAYLAND_PLUGIN \
+			$($abs_builddir/$TESTNAME --params) \
 			&> "$OUTLOG"
 esac