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test: add test for subsystem filtering of sd_device_enumerator

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This commit is contained in:
Yu Watanabe 2018-10-09 18:44:41 +09:00
parent 7ef670c34a
commit 68db4a0caf
1 changed files with 71 additions and 0 deletions
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71
src/libsystemd/sd-device/test-sd-device.c
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@ -3,6 +3,7 @@
#include "device-enumerator-private.h"
#include "device-private.h"
#include "device-util.h"
#include "hashmap.h"
#include "string-util.h"
#include "tests.h"
#include "util.h"
@ -63,9 +64,79 @@ static void test_sd_device_basic(void) {
}
}
static void 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;
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);
assert_se(t = hashmap_remove(h, syspath));
assert_se(!sd_device_unref(t));
log_debug("Removed subsystem:%s syspath:%s", subsystem, syspath);
}
assert_se(hashmap_isempty(h));
}
static void test_sd_device_enumerator_filter_subsystem(void) {
_cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL;
_cleanup_(hashmap_freep) Hashmap *subsystems;
sd_device *d;
Hashmap *h;
char *s;
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);
}
r = hashmap_put(h, syspath, d);
assert_se(r >= 0 || r == -EEXIST);
if (r < 0) {
log_info("Duplicated subsystem:%s syspath:%s", subsystem, syspath);
continue;
}
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))) {
test_sd_device_enumerator_filter_subsystem_one(s, h);
hashmap_free(h);
free(s);
}
}
int main(int argc, char **argv) {
test_setup_logging(LOG_INFO);
test_sd_device_basic();
test_sd_device_enumerator_filter_subsystem();
return 0;
}