diff options
Diffstat (limited to 'src/test/test-path.c')
| -rw-r--r-- | src/test/test-path.c | 412 |
1 files changed, 412 insertions, 0 deletions
diff --git a/src/test/test-path.c b/src/test/test-path.c new file mode 100644 index 0000000..490fb13 --- /dev/null +++ b/src/test/test-path.c @@ -0,0 +1,412 @@ +/* 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" +#include "util.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"); + char **test_path; + 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(UNIT_FILE_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) >= 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), + 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 && + !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. */ + 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)); + + 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) >= 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) >= 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) >= 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) >= 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) >= 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_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) >= 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); + assert_se(touch(strjoina(test_path, "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) >= 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; +} |