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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
commit55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch)
tree33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/test/test-path.c
parentInitial commit. (diff)
downloadsystemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz
systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/test-path.c')
-rw-r--r--src/test/test-path.c418
1 files changed, 418 insertions, 0 deletions
diff --git a/src/test/test-path.c b/src/test/test-path.c
new file mode 100644
index 0000000..22ed88f
--- /dev/null
+++ b/src/test/test-path.c
@@ -0,0 +1,418 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <stdbool.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include "alloc-util.h"
+#include "all-units.h"
+#include "fd-util.h"
+#include "fs-util.h"
+#include "macro.h"
+#include "manager.h"
+#include "mkdir.h"
+#include "path-util.h"
+#include "rm-rf.h"
+#include "string-util.h"
+#include "strv.h"
+#include "tests.h"
+#include "unit.h"
+
+typedef void (*test_function_t)(Manager *m);
+
+static int setup_test(Manager **m) {
+ char **tests_path = STRV_MAKE("exists", "existsglobFOOBAR", "changed", "modified", "unit",
+ "directorynotempty", "makedirectory");
+ Manager *tmp = NULL;
+ int r;
+
+ assert_se(m);
+
+ r = enter_cgroup_subroot(NULL);
+ if (r == -ENOMEDIUM)
+ return log_tests_skipped("cgroupfs not available");
+
+ r = manager_new(RUNTIME_SCOPE_USER, MANAGER_TEST_RUN_BASIC, &tmp);
+ if (manager_errno_skip_test(r))
+ return log_tests_skipped_errno(r, "manager_new");
+ assert_se(r >= 0);
+ assert_se(manager_startup(tmp, NULL, NULL, NULL) >= 0);
+
+ STRV_FOREACH(test_path, tests_path) {
+ _cleanup_free_ char *p = NULL;
+
+ p = strjoin("/tmp/test-path_", *test_path);
+ assert_se(p);
+
+ (void) rm_rf(p, REMOVE_ROOT|REMOVE_PHYSICAL);
+ }
+
+ *m = tmp;
+
+ return 0;
+}
+
+static void shutdown_test(Manager *m) {
+ assert_se(m);
+
+ manager_free(m);
+}
+
+static Service *service_for_path(Manager *m, Path *path, const char *service_name) {
+ _cleanup_free_ char *tmp = NULL;
+ Unit *service_unit = NULL;
+
+ assert_se(m);
+ assert_se(path);
+
+ if (!service_name) {
+ assert_se(tmp = strreplace(UNIT(path)->id, ".path", ".service"));
+ service_unit = manager_get_unit(m, tmp);
+ } else
+ service_unit = manager_get_unit(m, service_name);
+ assert_se(service_unit);
+
+ return SERVICE(service_unit);
+}
+
+static int _check_states(unsigned line,
+ Manager *m, Path *path, Service *service, PathState path_state, ServiceState service_state) {
+ assert_se(m);
+ assert_se(service);
+
+ usec_t end = now(CLOCK_MONOTONIC) + 30 * USEC_PER_SEC;
+
+ while (path->state != path_state || service->state != service_state ||
+ path->result != PATH_SUCCESS || service->result != SERVICE_SUCCESS) {
+
+ assert_se(sd_event_run(m->event, 100 * USEC_PER_MSEC) >= 0);
+
+ usec_t n = now(CLOCK_MONOTONIC);
+ log_info("line %u: %s: state = %s; result = %s (left: %" PRIi64 ")",
+ line,
+ UNIT(path)->id,
+ path_state_to_string(path->state),
+ path_result_to_string(path->result),
+ (int64_t) (end - n));
+ log_info("line %u: %s: state = %s; result = %s",
+ line,
+ UNIT(service)->id,
+ service_state_to_string(service->state),
+ service_result_to_string(service->result));
+
+ if (service->state == SERVICE_FAILED && service->main_exec_status.status == EXIT_CGROUP) {
+ const char *ci = ci_environment();
+
+ /* On a general purpose system we may fail to start the service for reasons which are
+ * not under our control: permission limits, resource exhaustion, etc. Let's skip the
+ * test in those cases. On developer machines we require proper setup. */
+ if (!ci)
+ return log_notice_errno(SYNTHETIC_ERRNO(ECANCELED),
+ "Failed to start service %s, aborting test: %s/%s",
+ UNIT(service)->id,
+ service_state_to_string(service->state),
+ service_result_to_string(service->result));
+
+ /* On Salsa we can't setup cgroups so the unit always fails. The test checks if it
+ * can but continues if it cannot at the beginning, but on Salsa it fails here. */
+ if (streq(ci, "salsa-ci"))
+ exit(EXIT_TEST_SKIP);
+ }
+
+ if (n >= end) {
+ log_error("Test timeout when testing %s", UNIT(path)->id);
+ exit(EXIT_FAILURE);
+ }
+ }
+
+ return 0;
+}
+#define check_states(...) _check_states(__LINE__, __VA_ARGS__)
+
+static void test_path_exists(Manager *m) {
+ const char *test_path = "/tmp/test-path_exists";
+ Unit *unit = NULL;
+ Path *path = NULL;
+ Service *service = NULL;
+
+ assert_se(m);
+
+ assert_se(manager_load_startable_unit_or_warn(m, "path-exists.path", NULL, &unit) >= 0);
+
+ path = PATH(unit);
+ service = service_for_path(m, path, NULL);
+
+ assert_se(unit_start(unit, NULL) >= 0);
+ if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
+ return;
+
+ assert_se(touch(test_path) >= 0);
+ if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
+ return;
+
+ /* Service restarts if file still exists */
+ assert_se(unit_stop(UNIT(service)) >= 0);
+ if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
+ return;
+
+ assert_se(rm_rf(test_path, REMOVE_ROOT|REMOVE_PHYSICAL) == 0);
+ assert_se(unit_stop(UNIT(service)) >= 0);
+ if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
+ return;
+
+ assert_se(unit_stop(unit) >= 0);
+}
+
+static void test_path_existsglob(Manager *m) {
+ const char *test_path = "/tmp/test-path_existsglobFOOBAR";
+ Unit *unit = NULL;
+ Path *path = NULL;
+ Service *service = NULL;
+
+ assert_se(m);
+
+ assert_se(manager_load_startable_unit_or_warn(m, "path-existsglob.path", NULL, &unit) >= 0);
+
+ path = PATH(unit);
+ service = service_for_path(m, path, NULL);
+
+ assert_se(unit_start(unit, NULL) >= 0);
+ if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
+ return;
+
+ assert_se(touch(test_path) >= 0);
+ if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
+ return;
+
+ /* Service restarts if file still exists */
+ assert_se(unit_stop(UNIT(service)) >= 0);
+ if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
+ return;
+
+ assert_se(rm_rf(test_path, REMOVE_ROOT|REMOVE_PHYSICAL) == 0);
+ assert_se(unit_stop(UNIT(service)) >= 0);
+ if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
+ return;
+
+ assert_se(unit_stop(unit) >= 0);
+}
+
+static void test_path_changed(Manager *m) {
+ const char *test_path = "/tmp/test-path_changed";
+ FILE *f;
+ Unit *unit = NULL;
+ Path *path = NULL;
+ Service *service = NULL;
+
+ assert_se(m);
+
+ assert_se(manager_load_startable_unit_or_warn(m, "path-changed.path", NULL, &unit) >= 0);
+
+ path = PATH(unit);
+ service = service_for_path(m, path, NULL);
+
+ assert_se(unit_start(unit, NULL) >= 0);
+ if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
+ return;
+
+ assert_se(touch(test_path) >= 0);
+ if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
+ return;
+
+ /* Service does not restart if file still exists */
+ assert_se(unit_stop(UNIT(service)) >= 0);
+ if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
+ return;
+
+ f = fopen(test_path, "w");
+ assert_se(f);
+ fclose(f);
+
+ if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
+ return;
+
+ assert_se(unit_stop(UNIT(service)) >= 0);
+ if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
+ return;
+
+ (void) rm_rf(test_path, REMOVE_ROOT|REMOVE_PHYSICAL);
+ assert_se(unit_stop(unit) >= 0);
+}
+
+static void test_path_modified(Manager *m) {
+ _cleanup_fclose_ FILE *f = NULL;
+ const char *test_path = "/tmp/test-path_modified";
+ Unit *unit = NULL;
+ Path *path = NULL;
+ Service *service = NULL;
+
+ assert_se(m);
+
+ assert_se(manager_load_startable_unit_or_warn(m, "path-modified.path", NULL, &unit) >= 0);
+
+ path = PATH(unit);
+ service = service_for_path(m, path, NULL);
+
+ assert_se(unit_start(unit, NULL) >= 0);
+ if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
+ return;
+
+ assert_se(touch(test_path) >= 0);
+ if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
+ return;
+
+ /* Service does not restart if file still exists */
+ assert_se(unit_stop(UNIT(service)) >= 0);
+ if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
+ return;
+
+ f = fopen(test_path, "w");
+ assert_se(f);
+ fputs("test", f);
+
+ if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
+ return;
+
+ assert_se(unit_stop(UNIT(service)) >= 0);
+ if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
+ return;
+
+ (void) rm_rf(test_path, REMOVE_ROOT|REMOVE_PHYSICAL);
+ assert_se(unit_stop(unit) >= 0);
+}
+
+static void test_path_unit(Manager *m) {
+ const char *test_path = "/tmp/test-path_unit";
+ Unit *unit = NULL;
+ Path *path = NULL;
+ Service *service = NULL;
+
+ assert_se(m);
+
+ assert_se(manager_load_startable_unit_or_warn(m, "path-unit.path", NULL, &unit) >= 0);
+
+ path = PATH(unit);
+ service = service_for_path(m, path, "path-mycustomunit.service");
+
+ assert_se(unit_start(unit, NULL) >= 0);
+ if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
+ return;
+
+ assert_se(touch(test_path) >= 0);
+ if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
+ return;
+
+ assert_se(rm_rf(test_path, REMOVE_ROOT|REMOVE_PHYSICAL) == 0);
+ assert_se(unit_stop(UNIT(service)) >= 0);
+ if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
+ return;
+
+ assert_se(unit_stop(unit) >= 0);
+}
+
+static void test_path_directorynotempty(Manager *m) {
+ const char *test_file, *test_path = "/tmp/test-path_directorynotempty/";
+ Unit *unit = NULL;
+ Path *path = NULL;
+ Service *service = NULL;
+
+ assert_se(m);
+
+ assert_se(manager_load_startable_unit_or_warn(m, "path-directorynotempty.path", NULL, &unit) >= 0);
+
+ path = PATH(unit);
+ service = service_for_path(m, path, NULL);
+
+ assert_se(access(test_path, F_OK) < 0);
+
+ assert_se(unit_start(unit, NULL) >= 0);
+ if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
+ return;
+
+ /* MakeDirectory default to no */
+ assert_se(access(test_path, F_OK) < 0);
+
+ assert_se(mkdir_p(test_path, 0755) >= 0);
+ test_file = strjoina(test_path, "test_file");
+ assert_se(touch(test_file) >= 0);
+ if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
+ return;
+
+ /* Service restarts if directory is still not empty */
+ assert_se(unit_stop(UNIT(service)) >= 0);
+ if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
+ return;
+
+ assert_se(rm_rf(test_path, REMOVE_ROOT|REMOVE_PHYSICAL) == 0);
+ assert_se(unit_stop(UNIT(service)) >= 0);
+ if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
+ return;
+
+ assert_se(unit_stop(unit) >= 0);
+}
+
+static void test_path_makedirectory_directorymode(Manager *m) {
+ const char *test_path = "/tmp/test-path_makedirectory/";
+ Unit *unit = NULL;
+ struct stat s;
+
+ assert_se(m);
+
+ assert_se(manager_load_startable_unit_or_warn(m, "path-makedirectory.path", NULL, &unit) >= 0);
+
+ assert_se(access(test_path, F_OK) < 0);
+
+ assert_se(unit_start(unit, NULL) >= 0);
+
+ /* Check if the directory has been created */
+ assert_se(access(test_path, F_OK) >= 0);
+
+ /* Check the mode we specified with DirectoryMode=0744 */
+ assert_se(stat(test_path, &s) >= 0);
+ assert_se((s.st_mode & S_IRWXU) == 0700);
+ assert_se((s.st_mode & S_IRWXG) == 0040);
+ assert_se((s.st_mode & S_IRWXO) == 0004);
+
+ assert_se(unit_stop(unit) >= 0);
+ (void) rm_rf(test_path, REMOVE_ROOT|REMOVE_PHYSICAL);
+}
+
+int main(int argc, char *argv[]) {
+ static const test_function_t tests[] = {
+ test_path_exists,
+ test_path_existsglob,
+ test_path_changed,
+ test_path_modified,
+ test_path_unit,
+ test_path_directorynotempty,
+ test_path_makedirectory_directorymode,
+ NULL,
+ };
+
+ _cleanup_free_ char *test_path = NULL;
+ _cleanup_(rm_rf_physical_and_freep) char *runtime_dir = NULL;
+
+ umask(022);
+
+ test_setup_logging(LOG_INFO);
+
+ assert_se(get_testdata_dir("test-path", &test_path) >= 0);
+ assert_se(set_unit_path(test_path) >= 0);
+ assert_se(runtime_dir = setup_fake_runtime_dir());
+
+ for (const test_function_t *test = tests; *test; test++) {
+ Manager *m = NULL;
+ int r;
+
+ /* We create a clean environment for each test */
+ r = setup_test(&m);
+ if (r != 0)
+ return r;
+
+ (*test)(m);
+
+ shutdown_test(m);
+ }
+
+ return 0;
+}