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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
commit55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch)
tree33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/libsystemd/sd-bus/test-bus-cleanup.c
parentInitial commit. (diff)
downloadsystemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz
systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/libsystemd/sd-bus/test-bus-cleanup.c')
-rw-r--r--src/libsystemd/sd-bus/test-bus-cleanup.c105
1 files changed, 105 insertions, 0 deletions
diff --git a/src/libsystemd/sd-bus/test-bus-cleanup.c b/src/libsystemd/sd-bus/test-bus-cleanup.c
new file mode 100644
index 0000000..3e14627
--- /dev/null
+++ b/src/libsystemd/sd-bus/test-bus-cleanup.c
@@ -0,0 +1,105 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <stdio.h>
+#include <unistd.h>
+
+#include "sd-bus.h"
+
+#include "bus-internal.h"
+#include "bus-message.h"
+#include "process-util.h"
+#include "tests.h"
+
+static bool use_system_bus = false;
+
+static void test_bus_new(void) {
+ _cleanup_(sd_bus_unrefp) sd_bus *bus = NULL;
+
+ assert_se(sd_bus_new(&bus) == 0);
+ assert_se(bus->n_ref == 1);
+}
+
+static void test_bus_fork(void) {
+ _cleanup_(sd_bus_unrefp) sd_bus *bus = NULL;
+ int r;
+
+ assert_se(sd_bus_new(&bus) == 0);
+ assert_se(bus->n_ref == 1);
+
+ /* Check that after a fork the cleanup functions return NULL */
+ r = safe_fork("(bus-fork-test)", FORK_WAIT|FORK_LOG, NULL);
+ if (r == 0) {
+ assert_se(bus);
+ assert_se(sd_bus_is_ready(bus) == -ECHILD);
+ assert_se(sd_bus_flush_close_unref(bus) == NULL);
+ assert_se(sd_bus_close_unref(bus) == NULL);
+ assert_se(sd_bus_unref(bus) == NULL);
+ sd_bus_close(bus);
+ assert_se(bus->n_ref == 1);
+ _exit(EXIT_SUCCESS);
+ }
+
+ assert_se(r >= 0);
+ assert_se(bus->n_ref == 1);
+}
+
+static int test_bus_open(void) {
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ int r;
+
+ r = sd_bus_open_user(&bus);
+ if (IN_SET(r, -ECONNREFUSED, -ENOENT, -ENOMEDIUM)) {
+ r = sd_bus_open_system(&bus);
+ if (IN_SET(r, -ECONNREFUSED, -ENOENT))
+ return r;
+ use_system_bus = true;
+ }
+
+ assert_se(r >= 0);
+ assert_se(bus->n_ref >= 1); /* we send a hello message when opening, so the count is above 1 */
+
+ return 0;
+}
+
+static void test_bus_new_method_call(void) {
+ sd_bus *bus = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+
+ assert_se(use_system_bus ? sd_bus_open_system(&bus) >= 0 : sd_bus_open_user(&bus) >= 0);
+
+ assert_se(sd_bus_message_new_method_call(bus, &m, "a.service.name", "/an/object/path", "an.interface.name", "AMethodName") >= 0);
+
+ assert_se(m->n_ref == 1); /* We hold the only reference to the message */
+ assert_se(bus->n_ref >= 2);
+ sd_bus_flush_close_unref(bus);
+ assert_se(m->n_ref == 1);
+}
+
+static void test_bus_new_signal(void) {
+ sd_bus *bus = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+
+ assert_se(use_system_bus ? sd_bus_open_system(&bus) >= 0 : sd_bus_open_user(&bus) >= 0);
+
+ assert_se(sd_bus_message_new_signal(bus, &m, "/an/object/path", "an.interface.name", "Name") >= 0);
+
+ assert_se(m->n_ref == 1); /* We hold the only reference to the message */
+ assert_se(bus->n_ref >= 2);
+ sd_bus_flush_close_unref(bus);
+ assert_se(m->n_ref == 1);
+}
+
+int main(int argc, char **argv) {
+ test_setup_logging(LOG_INFO);
+
+ test_bus_new();
+ test_bus_fork();
+
+ if (test_bus_open() < 0)
+ return log_tests_skipped("Failed to connect to bus");
+
+ test_bus_new_method_call();
+ test_bus_new_signal();
+
+ return EXIT_SUCCESS;
+}