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Diffstat (limited to 'src/test/test-cgroup.c')
| -rw-r--r-- | src/test/test-cgroup.c | 132 |
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); |