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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 13:00:47 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 13:00:47 +0000
commit2cb7e0aaedad73b076ea18c6900b0e86c5760d79 (patch)
treeda68ca54bb79f4080079bf0828acda937593a4e1 /src/libsystemd/sd-device/test-sd-device.c
parentInitial commit. (diff)
downloadsystemd-upstream.tar.xz
systemd-upstream.zip
Adding upstream version 247.3.upstream/247.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--src/libsystemd/sd-device/test-sd-device.c172
1 files changed, 172 insertions, 0 deletions
diff --git a/src/libsystemd/sd-device/test-sd-device.c b/src/libsystemd/sd-device/test-sd-device.c
new file mode 100644
index 0000000..9f48d2b
--- /dev/null
+++ b/src/libsystemd/sd-device/test-sd-device.c
@@ -0,0 +1,172 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "device-enumerator-private.h"
+#include "device-private.h"
+#include "device-util.h"
+#include "hashmap.h"
+#include "string-util.h"
+#include "tests.h"
+#include "time-util.h"
+
+static void test_sd_device_one(sd_device *d) {
+ const char *syspath, *subsystem, *val;
+ dev_t devnum;
+ usec_t usec;
+ int i, r;
+
+ assert_se(sd_device_get_syspath(d, &syspath) >= 0);
+
+ r = sd_device_get_subsystem(d, &subsystem);
+ assert_se(r >= 0 || r == -ENOENT);
+
+ r = sd_device_get_devtype(d, &val);
+ assert_se(r >= 0 || r == -ENOENT);
+
+ r = sd_device_get_devnum(d, &devnum);
+ assert_se((r >= 0 && major(devnum) > 0) || r == -ENOENT);
+
+ r = sd_device_get_ifindex(d, &i);
+ assert_se((r >= 0 && i > 0) || r == -ENOENT);
+
+ r = sd_device_get_driver(d, &val);
+ assert_se(r >= 0 || r == -ENOENT);
+
+ assert_se(sd_device_get_devpath(d, &val) >= 0);
+
+ r = sd_device_get_devname(d, &val);
+ assert_se(r >= 0 || r == -ENOENT);
+
+ assert_se(sd_device_get_sysname(d, &val) >= 0);
+
+ r = sd_device_get_sysnum(d, &val);
+ assert_se(r >= 0 || r == -ENOENT);
+
+ i = sd_device_get_is_initialized(d);
+ assert_se(i >= 0);
+ if (i > 0) {
+ r = sd_device_get_usec_since_initialized(d, &usec);
+ assert_se((r >= 0 && usec > 0) || r == -ENODATA);
+ }
+
+ r = sd_device_get_sysattr_value(d, "name_assign_type", &val);
+ assert_se(r >= 0 || IN_SET(r, -ENOENT, -EINVAL));
+
+ r = sd_device_get_property_value(d, "ID_NET_DRIVER", &val);
+ assert_se(r >= 0 || r == -ENOENT);
+
+ log_info("syspath:%s subsystem:%s initialized:%s", syspath, strna(subsystem), yes_no(i));
+}
+
+static void test_sd_device_enumerator_devices(void) {
+ _cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL;
+ sd_device *d;
+
+ log_info("/* %s */", __func__);
+
+ assert_se(sd_device_enumerator_new(&e) >= 0);
+ assert_se(sd_device_enumerator_allow_uninitialized(e) >= 0);
+ FOREACH_DEVICE(e, d)
+ test_sd_device_one(d);
+}
+
+static void test_sd_device_enumerator_subsystems(void) {
+ _cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL;
+ sd_device *d;
+
+ log_info("/* %s */", __func__);
+
+ assert_se(sd_device_enumerator_new(&e) >= 0);
+ assert_se(sd_device_enumerator_allow_uninitialized(e) >= 0);
+ FOREACH_SUBSYSTEM(e, d)
+ test_sd_device_one(d);
+}
+
+static unsigned test_sd_device_enumerator_filter_subsystem_one(const char *subsystem, Hashmap *h) {
+ _cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL;
+ sd_device *d, *t;
+ unsigned n_new_dev = 0;
+
+ assert_se(sd_device_enumerator_new(&e) >= 0);
+ assert_se(sd_device_enumerator_add_match_subsystem(e, subsystem, true) >= 0);
+
+ FOREACH_DEVICE(e, d) {
+ const char *syspath;
+
+ assert_se(sd_device_get_syspath(d, &syspath) >= 0);
+ t = hashmap_remove(h, syspath);
+ assert_se(!sd_device_unref(t));
+
+ if (t)
+ log_debug("Removed subsystem:%s syspath:%s", subsystem, syspath);
+ else {
+ log_warning("New device found: subsystem:%s syspath:%s", subsystem, syspath);
+ n_new_dev++;
+ }
+ }
+
+ /* Assume no device is unplugged. */
+ assert_se(hashmap_isempty(h));
+
+ return n_new_dev;
+}
+
+static void test_sd_device_enumerator_filter_subsystem(void) {
+ _cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL;
+ _cleanup_(hashmap_freep) Hashmap *subsystems;
+ unsigned n_new_dev = 0;
+ sd_device *d;
+ Hashmap *h;
+ char *s;
+
+ log_info("/* %s */", __func__);
+
+ assert_se(subsystems = hashmap_new(&string_hash_ops));
+ assert_se(sd_device_enumerator_new(&e) >= 0);
+
+ FOREACH_DEVICE(e, d) {
+ const char *syspath, *subsystem;
+ int r;
+
+ assert_se(sd_device_get_syspath(d, &syspath) >= 0);
+
+ r = sd_device_get_subsystem(d, &subsystem);
+ assert_se(r >= 0 || r == -ENOENT);
+ if (r < 0)
+ continue;
+
+ h = hashmap_get(subsystems, subsystem);
+ if (!h) {
+ char *str;
+ assert_se(str = strdup(subsystem));
+ assert_se(h = hashmap_new(&string_hash_ops));
+ assert_se(hashmap_put(subsystems, str, h) >= 0);
+ }
+
+ assert_se(hashmap_put(h, syspath, d) >= 0);
+ assert_se(sd_device_ref(d));
+
+ log_debug("Added subsystem:%s syspath:%s", subsystem, syspath);
+ }
+
+ while ((h = hashmap_steal_first_key_and_value(subsystems, (void**) &s))) {
+ n_new_dev += test_sd_device_enumerator_filter_subsystem_one(s, h);
+ hashmap_free(h);
+ free(s);
+ }
+
+ if (n_new_dev > 0)
+ log_warning("%u new device is found in re-scan", n_new_dev);
+
+ /* Assume that not so many devices are plugged. */
+ assert_se(n_new_dev <= 10);
+}
+
+int main(int argc, char **argv) {
+ test_setup_logging(LOG_INFO);
+
+ test_sd_device_enumerator_devices();
+ test_sd_device_enumerator_subsystems();
+ test_sd_device_enumerator_filter_subsystem();
+
+ return 0;
+}