[PATCH libinput 1/2] test: inhibit nasty keys and switches during test runs

[Peter Hutterer]

Having the system suspend or shutdown halfway through a test run is a tad
annoying. So let's talk to logind and tell it to inhibit the various keys
we're testing.

https://bugs.freedesktop.org/show_bug.cgi?id=104720

Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
---
 meson.build   |  7 ++++++-
 test/litest.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+), 1 deletion(-)

diff --git a/meson.build b/meson.build
index 3a14681c..5b8317a4 100644
--- a/meson.build
+++ b/meson.build
@@ -521,6 +521,10 @@ if get_option('tests')
 	dep_libunwind = dependency('libunwind', required : false)
 	config_h.set10('HAVE_LIBUNWIND', dep_libunwind.found())
 
+	# for inhibit support during test run
+	dep_libsystemd = dependency('libsystemd', required : false)
+	config_h.set10('HAVE_LIBSYSTEMD', dep_libsystemd.found())
+
 	lib_litest_sources = [
 		'test/litest.h',
 		'test/litest-int.h',
@@ -609,7 +613,8 @@ if get_option('tests')
 		dep_udev,
 		dep_libevdev,
 		dep_dl,
-		dep_lm
+		dep_lm,
+		dep_libsystemd,
 	]
 
 	configure_file(input : 'udev/80-libinput-test-device.rules',
diff --git a/test/litest.c b/test/litest.c
index d4874d43..befb486a 100644
--- a/test/litest.c
+++ b/test/litest.c
@@ -48,6 +48,9 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <libudev.h>
+#if HAVE_LIBSYSTEMD
+#include <systemd/sd-bus.h>
+#endif
 
 #include "litest.h"
 #include "litest-int.h"
@@ -942,10 +945,60 @@ litest_fork_subtests(struct list *tests, int max_forks)
 	return failed;
 }
 
+static inline int
+inhibit(void)
+{
+	int lock_fd = -1;
+#if HAVE_LIBSYSTEMD
+	sd_bus_error error = SD_BUS_ERROR_NULL;
+	sd_bus_message *m = NULL;
+	sd_bus *bus = NULL;
+	int rc;
+
+	rc = sd_bus_open_system(&bus);
+	if (rc != 0) {
+		fprintf(stderr, "Warning: inhibit failed: %s\n", strerror(-rc));
+		goto out;
+	}
+
+	rc = sd_bus_call_method(bus,
+				"org.freedesktop.login1",
+				"/org/freedesktop/login1",
+				"org.freedesktop.login1.Manager",
+				"Inhibit",
+				&error,
+				&m,
+				"ssss",
+				"handle-lid-switch:handle-power-key:handle-suspend-key:handle-hibernate-key",
+				"libinput test-suite runner",
+				"testing in progress",
+				"block");
+	if (rc < 0) {
+		fprintf(stderr, "Warning: inhibit failed: %s\n", error.message);
+		goto out;
+	}
+
+	rc = sd_bus_message_read(m, "h", &lock_fd);
+	if (rc < 0) {
+		fprintf(stderr, "Warning: inhibit failed: %s\n", strerror(-rc));
+		goto out;
+	}
+
+	lock_fd = dup(lock_fd);
+out:
+	sd_bus_error_free(&error);
+	sd_bus_message_unref(m);
+	sd_bus_close(bus);
+	sd_bus_unref(bus);
+#endif
+	return lock_fd;
+}
+
 static inline int
 litest_run(int argc, char **argv)
 {
 	int failed = 0;
+	int inhibit_lock_fd;
 
 	list_init(&created_files_list);
 
@@ -962,11 +1015,15 @@ litest_run(int argc, char **argv)
 
 	litest_setup_sighandler(SIGINT);
 
+	inhibit_lock_fd = inhibit();
+
 	if (jobs == 1)
 		failed = litest_run_suite(&all_tests, 1, 1, STDERR_FILENO);
 	else
 		failed = litest_fork_subtests(&all_tests, jobs);
 
+	close(inhibit_lock_fd);
+
 	litest_free_test_list(&all_tests);
 
 	litest_remove_udev_rules(&created_files_list);
-- 
2.14.3