[thirdparty/systemd.git] / src / test / test-path.c

/* SPDX-License-Identifier: LGPL-2.1-or-later */

#include <stdlib.h>
#include <sys/stat.h>
#include <unistd.h>

#include "all-units.h"
#include "alloc-util.h"
#include "fd-util.h"
#include "fs-util.h"
#include "manager.h"
#include "mkdir.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 || service->result == SERVICE_FAILURE_RESOURCES)) {
                        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_OK(get_testdata_dir("test-path", &test_path));
        ASSERT_OK(setenv_unit_path(test_path));
        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;
}
Commit	Line	Data
	1	/* SPDX-License-Identifier: LGPL-2.1-or-later */
	2
	3	#include <stdlib.h>
	4	#include <sys/stat.h>
	5	#include <unistd.h>
	6
	7	#include "all-units.h"
	8	#include "alloc-util.h"
	9	#include "fd-util.h"
	10	#include "fs-util.h"
	11	#include "manager.h"
	12	#include "mkdir.h"
	13	#include "rm-rf.h"
	14	#include "string-util.h"
	15	#include "strv.h"
	16	#include "tests.h"
	17	#include "unit.h"
	18
	19	typedef void (test_function_t)(Manager m);
	20
	21	static int setup_test(Manager **m) {
	22	char **tests_path = STRV_MAKE("exists", "existsglobFOOBAR", "changed", "modified", "unit",
	23	"directorynotempty", "makedirectory");
	24	Manager *tmp = NULL;
	25	int r;
	26
	27	assert_se(m);
	28
	29	r = enter_cgroup_subroot(NULL);
	30	if (r == -ENOMEDIUM)
	31	return log_tests_skipped("cgroupfs not available");
	32
	33	r = manager_new(RUNTIME_SCOPE_USER, MANAGER_TEST_RUN_BASIC, &tmp);
	34	if (manager_errno_skip_test(r))
	35	return log_tests_skipped_errno(r, "manager_new");
	36	assert_se(r >= 0);
	37	assert_se(manager_startup(tmp, NULL, NULL, NULL) >= 0);
	38
	39	STRV_FOREACH(test_path, tests_path) {
	40	_cleanup_free_ char *p = NULL;
	41
	42	p = strjoin("/tmp/test-path_", *test_path);
	43	assert_se(p);
	44
	45	(void) rm_rf(p, REMOVE_ROOT\|REMOVE_PHYSICAL);
	46	}
	47
	48	*m = tmp;
	49
	50	return 0;
	51	}
	52
	53	static void shutdown_test(Manager *m) {
	54	assert_se(m);
	55
	56	manager_free(m);
	57	}
	58
	59	static Service service_for_path(Manager m, Path path, const char service_name) {
	60	_cleanup_free_ char *tmp = NULL;
	61	Unit *service_unit = NULL;
	62
	63	assert_se(m);
	64	assert_se(path);
	65
	66	if (!service_name) {
	67	assert_se(tmp = strreplace(UNIT(path)->id, ".path", ".service"));
	68	service_unit = manager_get_unit(m, tmp);
	69	} else
	70	service_unit = manager_get_unit(m, service_name);
	71	assert_se(service_unit);
	72
	73	return SERVICE(service_unit);
	74	}
	75
	76	static int _check_states(unsigned line,
	77	Manager m, Path path, Service *service, PathState path_state, ServiceState service_state) {
	78	assert_se(m);
	79	assert_se(service);
	80
	81	usec_t end = now(CLOCK_MONOTONIC) + 30 * USEC_PER_SEC;
	82
	83	while (path->state != path_state \|\| service->state != service_state \|\|
	84	path->result != PATH_SUCCESS \|\| service->result != SERVICE_SUCCESS) {
	85
	86	assert_se(sd_event_run(m->event, 100 * USEC_PER_MSEC) >= 0);
	87
	88	usec_t n = now(CLOCK_MONOTONIC);
	89	log_info("line %u: %s: state = %s; result = %s (left: %" PRIi64 ")",
	90	line,
	91	UNIT(path)->id,
	92	path_state_to_string(path->state),
	93	path_result_to_string(path->result),
	94	(int64_t) (end - n));
	95	log_info("line %u: %s: state = %s; result = %s",
	96	line,
	97	UNIT(service)->id,
	98	service_state_to_string(service->state),
	99	service_result_to_string(service->result));
	100
	101	if (service->state == SERVICE_FAILED &&
	102	(service->main_exec_status.status == EXIT_CGROUP \|\| service->result == SERVICE_FAILURE_RESOURCES)) {
	103	const char *ci = ci_environment();
	104
	105	/* On a general purpose system we may fail to start the service for reasons which are
	106	* not under our control: permission limits, resource exhaustion, etc. Let's skip the
	107	* test in those cases. On developer machines we require proper setup. */
	108	if (!ci)
	109	return log_notice_errno(SYNTHETIC_ERRNO(ECANCELED),
	110	"Failed to start service %s, aborting test: %s/%s",
	111	UNIT(service)->id,
	112	service_state_to_string(service->state),
	113	service_result_to_string(service->result));
	114
	115	/* On Salsa we can't setup cgroups so the unit always fails. The test checks if it
	116	* can but continues if it cannot at the beginning, but on Salsa it fails here. */
	117	if (streq(ci, "salsa-ci"))
	118	exit(EXIT_TEST_SKIP);
	119	}
	120
	121	if (n >= end) {
	122	log_error("Test timeout when testing %s", UNIT(path)->id);
	123	exit(EXIT_FAILURE);
	124	}
	125	}
	126
	127	return 0;
	128	}
	129	#define check_states(...) _check_states(__LINE__, __VA_ARGS__)
	130
	131	static void test_path_exists(Manager *m) {
	132	const char *test_path = "/tmp/test-path_exists";
	133	Unit *unit = NULL;
	134	Path *path = NULL;
	135	Service *service = NULL;
	136
	137	assert_se(m);
	138
	139	assert_se(manager_load_startable_unit_or_warn(m, "path-exists.path", NULL, &unit) >= 0);
	140
	141	path = PATH(unit);
	142	service = service_for_path(m, path, NULL);
	143
	144	assert_se(unit_start(unit, NULL) >= 0);
	145	if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
	146	return;
	147
	148	assert_se(touch(test_path) >= 0);
	149	if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
	150	return;
	151
	152	/* Service restarts if file still exists */
	153	assert_se(unit_stop(UNIT(service)) >= 0);
	154	if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
	155	return;
	156
	157	assert_se(rm_rf(test_path, REMOVE_ROOT\|REMOVE_PHYSICAL) == 0);
	158	assert_se(unit_stop(UNIT(service)) >= 0);
	159	if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
	160	return;
	161
	162	assert_se(unit_stop(unit) >= 0);
	163	}
	164
	165	static void test_path_existsglob(Manager *m) {
	166	const char *test_path = "/tmp/test-path_existsglobFOOBAR";
	167	Unit *unit = NULL;
	168	Path *path = NULL;
	169	Service *service = NULL;
	170
	171	assert_se(m);
	172
	173	assert_se(manager_load_startable_unit_or_warn(m, "path-existsglob.path", NULL, &unit) >= 0);
	174
	175	path = PATH(unit);
	176	service = service_for_path(m, path, NULL);
	177
	178	assert_se(unit_start(unit, NULL) >= 0);
	179	if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
	180	return;
	181
	182	assert_se(touch(test_path) >= 0);
	183	if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
	184	return;
	185
	186	/* Service restarts if file still exists */
	187	assert_se(unit_stop(UNIT(service)) >= 0);
	188	if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
	189	return;
	190
	191	assert_se(rm_rf(test_path, REMOVE_ROOT\|REMOVE_PHYSICAL) == 0);
	192	assert_se(unit_stop(UNIT(service)) >= 0);
	193	if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
	194	return;
	195
	196	assert_se(unit_stop(unit) >= 0);
	197	}
	198
	199	static void test_path_changed(Manager *m) {
	200	const char *test_path = "/tmp/test-path_changed";
	201	FILE *f;
	202	Unit *unit = NULL;
	203	Path *path = NULL;
	204	Service *service = NULL;
	205
	206	assert_se(m);
	207
	208	assert_se(manager_load_startable_unit_or_warn(m, "path-changed.path", NULL, &unit) >= 0);
	209
	210	path = PATH(unit);
	211	service = service_for_path(m, path, NULL);
	212
	213	assert_se(unit_start(unit, NULL) >= 0);
	214	if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
	215	return;
	216
	217	assert_se(touch(test_path) >= 0);
	218	if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
	219	return;
	220
	221	/* Service does not restart if file still exists */
	222	assert_se(unit_stop(UNIT(service)) >= 0);
	223	if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
	224	return;
	225
	226	f = fopen(test_path, "w");
	227	assert_se(f);
	228	fclose(f);
	229
	230	if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
	231	return;
	232
	233	assert_se(unit_stop(UNIT(service)) >= 0);
	234	if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
	235	return;
	236
	237	(void) rm_rf(test_path, REMOVE_ROOT\|REMOVE_PHYSICAL);
	238	assert_se(unit_stop(unit) >= 0);
	239	}
	240
	241	static void test_path_modified(Manager *m) {
	242	_cleanup_fclose_ FILE *f = NULL;
	243	const char *test_path = "/tmp/test-path_modified";
	244	Unit *unit = NULL;
	245	Path *path = NULL;
	246	Service *service = NULL;
	247
	248	assert_se(m);
	249
	250	assert_se(manager_load_startable_unit_or_warn(m, "path-modified.path", NULL, &unit) >= 0);
	251
	252	path = PATH(unit);
	253	service = service_for_path(m, path, NULL);
	254
	255	assert_se(unit_start(unit, NULL) >= 0);
	256	if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
	257	return;
	258
	259	assert_se(touch(test_path) >= 0);
	260	if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
	261	return;
	262
	263	/* Service does not restart if file still exists */
	264	assert_se(unit_stop(UNIT(service)) >= 0);
	265	if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
	266	return;
	267
	268	f = fopen(test_path, "w");
	269	assert_se(f);
	270	fputs("test", f);
	271
	272	if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
	273	return;
	274
	275	assert_se(unit_stop(UNIT(service)) >= 0);
	276	if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
	277	return;
	278
	279	(void) rm_rf(test_path, REMOVE_ROOT\|REMOVE_PHYSICAL);
	280	assert_se(unit_stop(unit) >= 0);
	281	}
	282
	283	static void test_path_unit(Manager *m) {
	284	const char *test_path = "/tmp/test-path_unit";
	285	Unit *unit = NULL;
	286	Path *path = NULL;
	287	Service *service = NULL;
	288
	289	assert_se(m);
	290
	291	assert_se(manager_load_startable_unit_or_warn(m, "path-unit.path", NULL, &unit) >= 0);
	292
	293	path = PATH(unit);
	294	service = service_for_path(m, path, "path-mycustomunit.service");
	295
	296	assert_se(unit_start(unit, NULL) >= 0);
	297	if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
	298	return;
	299
	300	assert_se(touch(test_path) >= 0);
	301	if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
	302	return;
	303
	304	assert_se(rm_rf(test_path, REMOVE_ROOT\|REMOVE_PHYSICAL) == 0);
	305	assert_se(unit_stop(UNIT(service)) >= 0);
	306	if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
	307	return;
	308
	309	assert_se(unit_stop(unit) >= 0);
	310	}
	311
	312	static void test_path_directorynotempty(Manager *m) {
	313	const char test_file, test_path = "/tmp/test-path_directorynotempty/";
	314	Unit *unit = NULL;
	315	Path *path = NULL;
	316	Service *service = NULL;
	317
	318	assert_se(m);
	319
	320	assert_se(manager_load_startable_unit_or_warn(m, "path-directorynotempty.path", NULL, &unit) >= 0);
	321
	322	path = PATH(unit);
	323	service = service_for_path(m, path, NULL);
	324
	325	assert_se(access(test_path, F_OK) < 0);
	326
	327	assert_se(unit_start(unit, NULL) >= 0);
	328	if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
	329	return;
	330
	331	/* MakeDirectory default to no */
	332	assert_se(access(test_path, F_OK) < 0);
	333
	334	assert_se(mkdir_p(test_path, 0755) >= 0);
	335	test_file = strjoina(test_path, "test_file");
	336	assert_se(touch(test_file) >= 0);
	337	if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
	338	return;
	339
	340	/* Service restarts if directory is still not empty */
	341	assert_se(unit_stop(UNIT(service)) >= 0);
	342	if (check_states(m, path, service, PATH_RUNNING, SERVICE_RUNNING) < 0)
	343	return;
	344
	345	assert_se(rm_rf(test_path, REMOVE_ROOT\|REMOVE_PHYSICAL) == 0);
	346	assert_se(unit_stop(UNIT(service)) >= 0);
	347	if (check_states(m, path, service, PATH_WAITING, SERVICE_DEAD) < 0)
	348	return;
	349
	350	assert_se(unit_stop(unit) >= 0);
	351	}
	352
	353	static void test_path_makedirectory_directorymode(Manager *m) {
	354	const char *test_path = "/tmp/test-path_makedirectory/";
	355	Unit *unit = NULL;
	356	struct stat s;
	357
	358	assert_se(m);
	359
	360	assert_se(manager_load_startable_unit_or_warn(m, "path-makedirectory.path", NULL, &unit) >= 0);
	361
	362	assert_se(access(test_path, F_OK) < 0);
	363
	364	assert_se(unit_start(unit, NULL) >= 0);
	365
	366	/* Check if the directory has been created */
	367	assert_se(access(test_path, F_OK) >= 0);
	368
	369	/* Check the mode we specified with DirectoryMode=0744 */
	370	assert_se(stat(test_path, &s) >= 0);
	371	assert_se((s.st_mode & S_IRWXU) == 0700);
	372	assert_se((s.st_mode & S_IRWXG) == 0040);
	373	assert_se((s.st_mode & S_IRWXO) == 0004);
	374
	375	assert_se(unit_stop(unit) >= 0);
	376	(void) rm_rf(test_path, REMOVE_ROOT\|REMOVE_PHYSICAL);
	377	}
	378
	379	int main(int argc, char *argv[]) {
	380	static const test_function_t tests[] = {
	381	test_path_exists,
	382	test_path_existsglob,
	383	test_path_changed,
	384	test_path_modified,
	385	test_path_unit,
	386	test_path_directorynotempty,
	387	test_path_makedirectory_directorymode,
	388	NULL,
	389	};
	390
	391	_cleanup_free_ char *test_path = NULL;
	392	_cleanup_(rm_rf_physical_and_freep) char *runtime_dir = NULL;
	393
	394	umask(022);
	395
	396	test_setup_logging(LOG_INFO);
	397
	398	ASSERT_OK(get_testdata_dir("test-path", &test_path));
	399	ASSERT_OK(setenv_unit_path(test_path));
	400	assert_se(runtime_dir = setup_fake_runtime_dir());
	401
	402	for (const test_function_t test = tests; test; test++) {
	403	Manager *m = NULL;
	404	int r;
	405
	406	/* We create a clean environment for each test */
	407	r = setup_test(&m);
	408	if (r != 0)
	409	return r;
	410
	411	(*test)(m);
	412
	413	shutdown_test(m);
	414	}
	415
	416	return 0;
	417	}