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test: add tests for id128_{read,write}_at()

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This commit is contained in:
Yu Watanabe
2023-04-04 11:46:18 +09:00
parent c227c46b8b
commit 9853542dd3
1 changed files with 74 additions and 0 deletions
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src/test/test-id128.c
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@@ -11,6 +11,8 @@
#include "fd-util.h"
#include "id128-util.h"
#include "macro.h"
#include "path-util.h"
#include "rm-rf.h"
#include "string-util.h"
#include "tests.h"
#include "tmpfile-util.h"
@@ -215,4 +217,76 @@ TEST(benchmark_sd_id128_get_machine_app_specific) {
log_info("%lf µs each\n", (double) q / iterations);
}
TEST(id128_at) {
_cleanup_(rm_rf_physical_and_freep) char *t = NULL;
_cleanup_close_ int tfd = -EBADF;
_cleanup_free_ char *p = NULL;
sd_id128_t id, i;
tfd = mkdtemp_open(NULL, O_PATH, &t);
assert_se(tfd >= 0);
assert_se(mkdirat(tfd, "etc", 0755) >= 0);
assert_se(symlinkat("etc", tfd, "etc2") >= 0);
assert_se(symlinkat("machine-id", tfd, "etc/hoge-id") >= 0);
assert_se(sd_id128_randomize(&id) == 0);
assert_se(id128_write_at(tfd, "etc/machine-id", ID128_FORMAT_PLAIN, id) >= 0);
if (geteuid() == 0)
assert_se(id128_write_at(tfd, "etc/machine-id", ID128_FORMAT_PLAIN, id) >= 0);
else
assert_se(id128_write_at(tfd, "etc/machine-id", ID128_FORMAT_PLAIN, id) == -EACCES);
assert_se(unlinkat(tfd, "etc/machine-id", 0) >= 0);
assert_se(id128_write_at(tfd, "etc2/machine-id", ID128_FORMAT_PLAIN, id) >= 0);
assert_se(unlinkat(tfd, "etc/machine-id", 0) >= 0);
assert_se(id128_write_at(tfd, "etc/hoge-id", ID128_FORMAT_PLAIN, id) >= 0);
assert_se(unlinkat(tfd, "etc/machine-id", 0) >= 0);
assert_se(id128_write_at(tfd, "etc2/hoge-id", ID128_FORMAT_PLAIN, id) >= 0);
/* id128_read_at() */
i = SD_ID128_NULL; /* Not necessary in real code, but for testing that the id is really assigned. */
assert_se(id128_read_at(tfd, "etc/machine-id", ID128_FORMAT_PLAIN, &i) >= 0);
assert_se(sd_id128_equal(id, i));
i = SD_ID128_NULL;
assert_se(id128_read_at(tfd, "etc2/machine-id", ID128_FORMAT_PLAIN, &i) >= 0);
assert_se(sd_id128_equal(id, i));
i = SD_ID128_NULL;
assert_se(id128_read_at(tfd, "etc/hoge-id", ID128_FORMAT_PLAIN, &i) >= 0);
assert_se(sd_id128_equal(id, i));
i = SD_ID128_NULL;
assert_se(id128_read_at(tfd, "etc2/hoge-id", ID128_FORMAT_PLAIN, &i) >= 0);
assert_se(sd_id128_equal(id, i));
/* id128_read() */
assert_se(p = path_join(t, "/etc/machine-id"));
i = SD_ID128_NULL;
assert_se(id128_read(p, ID128_FORMAT_PLAIN, &i) >= 0);
assert_se(sd_id128_equal(id, i));
free(p);
assert_se(p = path_join(t, "/etc2/machine-id"));
i = SD_ID128_NULL;
assert_se(id128_read(p, ID128_FORMAT_PLAIN, &i) >= 0);
assert_se(sd_id128_equal(id, i));
free(p);
assert_se(p = path_join(t, "/etc/hoge-id"));
i = SD_ID128_NULL;
assert_se(id128_read(p, ID128_FORMAT_PLAIN, &i) >= 0);
assert_se(sd_id128_equal(id, i));
free(p);
assert_se(p = path_join(t, "/etc2/hoge-id"));
i = SD_ID128_NULL;
assert_se(id128_read(p, ID128_FORMAT_PLAIN, &i) >= 0);
assert_se(sd_id128_equal(id, i));
}
DEFINE_TEST_MAIN(LOG_INFO);