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-rw-r--r--src/test/test-cgroup.c132
1 files changed, 132 insertions, 0 deletions
diff --git a/src/test/test-cgroup.c b/src/test/test-cgroup.c
new file mode 100644
index 0000000..0fbd635
--- /dev/null
+++ b/src/test/test-cgroup.c
@@ -0,0 +1,132 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <unistd.h>
+
+#include "cgroup-setup.h"
+#include "cgroup-util.h"
+#include "errno-util.h"
+#include "path-util.h"
+#include "process-util.h"
+#include "string-util.h"
+#include "tests.h"
+
+TEST(cg_split_spec) {
+ char *c, *p;
+
+ assert_se(cg_split_spec("foobar:/", &c, &p) == 0);
+ assert_se(streq(c, "foobar"));
+ assert_se(streq(p, "/"));
+ c = mfree(c);
+ p = mfree(p);
+
+ assert_se(cg_split_spec("foobar:", &c, &p) == 0);
+ c = mfree(c);
+ p = mfree(p);
+
+ assert_se(cg_split_spec("foobar:asdfd", &c, &p) < 0);
+ assert_se(cg_split_spec(":///", &c, &p) < 0);
+ assert_se(cg_split_spec(":", &c, &p) < 0);
+ assert_se(cg_split_spec("", &c, &p) < 0);
+ assert_se(cg_split_spec("fo/obar:/", &c, &p) < 0);
+
+ assert_se(cg_split_spec("/", &c, &p) >= 0);
+ assert_se(c == NULL);
+ assert_se(streq(p, "/"));
+ p = mfree(p);
+
+ assert_se(cg_split_spec("foo", &c, &p) >= 0);
+ assert_se(streq(c, "foo"));
+ assert_se(p == NULL);
+ c = mfree(c);
+}
+
+TEST(cg_create) {
+ int r;
+
+ r = cg_unified_cached(false);
+ if (r == -ENOMEDIUM) {
+ log_tests_skipped("cgroup not mounted");
+ return;
+ }
+ assert_se(r >= 0);
+
+ _cleanup_free_ char *here = NULL;
+ assert_se(cg_pid_get_path_shifted(0, NULL, &here) >= 0);
+
+ const char *test_a = prefix_roota(here, "/test-a"),
+ *test_b = prefix_roota(here, "/test-b"),
+ *test_c = prefix_roota(here, "/test-b/test-c"),
+ *test_d = prefix_roota(here, "/test-b/test-d");
+ char *path;
+
+ log_info("Paths for test:\n%s\n%s", test_a, test_b);
+
+ /* Possibly clean up left-overs from aboted previous runs */
+ (void) cg_trim(SYSTEMD_CGROUP_CONTROLLER, test_a, /* delete_root= */ true);
+ (void) cg_trim(SYSTEMD_CGROUP_CONTROLLER, test_b, /* delete_root= */ true);
+
+ r = cg_create(SYSTEMD_CGROUP_CONTROLLER, test_a);
+ if (IN_SET(r, -EPERM, -EACCES, -EROFS)) {
+ log_info_errno(r, "Skipping %s: %m", __func__);
+ return;
+ }
+
+ assert_se(r == 1);
+ assert_se(cg_create(SYSTEMD_CGROUP_CONTROLLER, test_a) == 0);
+ assert_se(cg_create(SYSTEMD_CGROUP_CONTROLLER, test_b) == 1);
+ assert_se(cg_create(SYSTEMD_CGROUP_CONTROLLER, test_c) == 1);
+ assert_se(cg_create_and_attach(SYSTEMD_CGROUP_CONTROLLER, test_b, 0) == 0);
+
+ assert_se(cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, getpid_cached(), &path) == 0);
+ assert_se(streq(path, test_b));
+ free(path);
+
+ assert_se(cg_attach(SYSTEMD_CGROUP_CONTROLLER, test_a, 0) == 0);
+
+ assert_se(cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, getpid_cached(), &path) == 0);
+ assert_se(path_equal(path, test_a));
+ free(path);
+
+ assert_se(cg_create_and_attach(SYSTEMD_CGROUP_CONTROLLER, test_d, 0) == 1);
+
+ assert_se(cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, getpid_cached(), &path) == 0);
+ assert_se(path_equal(path, test_d));
+ free(path);
+
+ assert_se(cg_get_path(SYSTEMD_CGROUP_CONTROLLER, test_d, NULL, &path) == 0);
+ log_debug("test_d: %s", path);
+ const char *full_d;
+ if (cg_all_unified())
+ full_d = strjoina("/sys/fs/cgroup", test_d);
+ else if (cg_hybrid_unified())
+ full_d = strjoina("/sys/fs/cgroup/unified", test_d);
+ else
+ full_d = strjoina("/sys/fs/cgroup/systemd", test_d);
+ assert_se(path_equal(path, full_d));
+ free(path);
+
+ assert_se(cg_is_empty(SYSTEMD_CGROUP_CONTROLLER, test_a) > 0);
+ assert_se(cg_is_empty(SYSTEMD_CGROUP_CONTROLLER, test_b) > 0);
+ assert_se(cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, test_a) > 0);
+ assert_se(cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, test_b) == 0);
+
+ assert_se(cg_kill_recursive(test_a, 0, 0, NULL, NULL, NULL) == 0);
+ assert_se(cg_kill_recursive(test_b, 0, 0, NULL, NULL, NULL) > 0);
+
+ assert_se(cg_migrate_recursive(SYSTEMD_CGROUP_CONTROLLER, test_b, SYSTEMD_CGROUP_CONTROLLER, test_a, 0) > 0);
+
+ assert_se(cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, test_a) == 0);
+ assert_se(cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, test_b) > 0);
+
+ assert_se(cg_kill_recursive(test_a, 0, 0, NULL, NULL, NULL) > 0);
+ assert_se(cg_kill_recursive(test_b, 0, 0, NULL, NULL, NULL) == 0);
+
+ (void) cg_trim(SYSTEMD_CGROUP_CONTROLLER, test_b, false);
+
+ assert_se(cg_rmdir(SYSTEMD_CGROUP_CONTROLLER, test_b) == 0);
+ assert_se(cg_rmdir(SYSTEMD_CGROUP_CONTROLLER, test_a) < 0);
+ assert_se(cg_migrate_recursive(SYSTEMD_CGROUP_CONTROLLER, test_a, SYSTEMD_CGROUP_CONTROLLER, here, 0) > 0);
+ assert_se(cg_rmdir(SYSTEMD_CGROUP_CONTROLLER, test_a) == 0);
+}
+
+DEFINE_TEST_MAIN(LOG_DEBUG);