src/test/test-path.c

   1 /***
   2   This file is part of systemd.
   3
   4   Copyright 2014 Ronny Chevalier
   5
   6   systemd is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU Lesser General Public License as published by
   8   the Free Software Foundation; either version 2.1 of the License, or
   9   (at your option) any later version.
  10
  11   systemd is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   Lesser General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  18 ***/
  19
  20 #include <stdbool.h>
  21 #include <stdio.h>
  22
  23 #include "alloc-util.h"
  24 #include "fd-util.h"
  25 #include "fs-util.h"
  26 #include "macro.h"
  27 #include "manager.h"
  28 #include "mkdir.h"
  29 #include "rm-rf.h"
  30 #include "string-util.h"
  31 #include "strv.h"
  32 #include "test-helper.h"
  33 #include "tests.h"
  34 #include "unit.h"
  35 #include "util.h"
  36
  37 typedef void (*test_function_t)(Manager *m);
  38
  39 static int setup_test(Manager **m) {
  40         char **tests_path = STRV_MAKE("exists", "existsglobFOOBAR", "changed", "modified", "unit",
  41                                       "directorynotempty", "makedirectory");
  42         char **test_path;
  43         Manager *tmp = NULL;
  44         int r;
  45
  46         assert_se(m);
  47
  48         r = manager_new(UNIT_FILE_USER, true, &tmp);
  49         if (MANAGER_SKIP_TEST(r)) {
  50                 printf("Skipping test: manager_new: %s\n", strerror(-r));
  51                 return -EXIT_TEST_SKIP;
  52         }
  53         assert_se(r >= 0);
  54         assert_se(manager_startup(tmp, NULL, NULL) >= 0);
  55
  56         STRV_FOREACH(test_path, tests_path) {
  57                 _cleanup_free_ char *p = NULL;
  58
  59                 p = strjoin("/tmp/test-path_", *test_path, NULL);
  60                 assert_se(p);
  61
  62                 (void) rm_rf(p, REMOVE_ROOT|REMOVE_PHYSICAL);
  63         }
  64
  65         *m = tmp;
  66
  67         return 0;
  68 }
  69
  70 static void shutdown_test(Manager *m) {
  71         assert_se(m);
  72
  73         manager_free(m);
  74 }
  75
  76 static void check_stop_unlink(Manager *m, Unit *unit, const char *test_path, const char *service_name) {
  77         _cleanup_free_ char *tmp = NULL;
  78         Unit *service_unit = NULL;
  79         Service *service = NULL;
  80         usec_t ts;
  81         usec_t timeout = 2 * USEC_PER_SEC;
  82
  83         assert_se(m);
  84         assert_se(unit);
  85         assert_se(test_path);
  86
  87         if (!service_name) {
  88                 assert_se(tmp = strreplace(unit->id, ".path", ".service"));
  89                 service_unit = manager_get_unit(m, tmp);
  90         } else
  91                 service_unit = manager_get_unit(m, service_name);
  92         assert_se(service_unit);
  93         service = SERVICE(service_unit);
  94
  95         ts = now(CLOCK_MONOTONIC);
  96         /* We process events until the service related to the path has been successfully started */
  97         while (service->result != SERVICE_SUCCESS || service->state != SERVICE_START) {
  98                 usec_t n;
  99                 int r;
 100
 101                 r = sd_event_run(m->event, 100 * USEC_PER_MSEC);
 102                 assert_se(r >= 0);
 103
 104                 printf("%s: state = %s; result = %s \n",
 105                                 service_unit->id,
 106                                 service_state_to_string(service->state),
 107                                 service_result_to_string(service->result));
 108
 109
 110                 /* But we timeout if the service has not been started in the allocated time */
 111                 n = now(CLOCK_MONOTONIC);
 112                 if (ts + timeout < n) {
 113                         log_error("Test timeout when testing %s", unit->id);
 114                         exit(EXIT_FAILURE);
 115                 }
 116         }
 117
 118         assert_se(UNIT_VTABLE(unit)->stop(unit) >= 0);
 119         (void) rm_rf(test_path, REMOVE_ROOT|REMOVE_PHYSICAL);
 120 }
 121
 122 static void test_path_exists(Manager *m) {
 123         const char *test_path = "/tmp/test-path_exists";
 124         Unit *unit = NULL;
 125
 126         assert_se(m);
 127
 128         assert_se(manager_load_unit(m, "path-exists.path", NULL, NULL, &unit) >= 0);
 129         assert_se(UNIT_VTABLE(unit)->start(unit) >= 0);
 130
 131         assert_se(touch(test_path) >= 0);
 132
 133         check_stop_unlink(m, unit, test_path, NULL);
 134 }
 135
 136 static void test_path_existsglob(Manager *m) {
 137         const char *test_path = "/tmp/test-path_existsglobFOOBAR";
 138         Unit *unit = NULL;
 139
 140         assert_se(m);
 141         assert_se(manager_load_unit(m, "path-existsglob.path", NULL, NULL, &unit) >= 0);
 142         assert_se(UNIT_VTABLE(unit)->start(unit) >= 0);
 143
 144         assert_se(touch(test_path) >= 0);
 145
 146         check_stop_unlink(m, unit, test_path, NULL);
 147 }
 148
 149 static void test_path_changed(Manager *m) {
 150         const char *test_path = "/tmp/test-path_changed";
 151         FILE *f;
 152         Unit *unit = NULL;
 153
 154         assert_se(m);
 155
 156         assert_se(touch(test_path) >= 0);
 157
 158         assert_se(manager_load_unit(m, "path-changed.path", NULL, NULL, &unit) >= 0);
 159         assert_se(UNIT_VTABLE(unit)->start(unit) >= 0);
 160
 161         f = fopen(test_path, "w");
 162         assert_se(f);
 163         fclose(f);
 164
 165         check_stop_unlink(m, unit, test_path, NULL);
 166 }
 167
 168 static void test_path_modified(Manager *m) {
 169         _cleanup_fclose_ FILE *f = NULL;
 170         const char *test_path = "/tmp/test-path_modified";
 171         Unit *unit = NULL;
 172
 173         assert_se(m);
 174
 175         assert_se(touch(test_path) >= 0);
 176
 177         assert_se(manager_load_unit(m, "path-modified.path", NULL, NULL, &unit) >= 0);
 178         assert_se(UNIT_VTABLE(unit)->start(unit) >= 0);
 179
 180         f = fopen(test_path, "w");
 181         assert_se(f);
 182         fputs("test", f);
 183
 184         check_stop_unlink(m, unit, test_path, NULL);
 185 }
 186
 187 static void test_path_unit(Manager *m) {
 188         const char *test_path = "/tmp/test-path_unit";
 189         Unit *unit = NULL;
 190
 191         assert_se(m);
 192
 193         assert_se(manager_load_unit(m, "path-unit.path", NULL, NULL, &unit) >= 0);
 194         assert_se(UNIT_VTABLE(unit)->start(unit) >= 0);
 195
 196         assert_se(touch(test_path) >= 0);
 197
 198         check_stop_unlink(m, unit, test_path, "path-mycustomunit.service");
 199 }
 200
 201 static void test_path_directorynotempty(Manager *m) {
 202         const char *test_path = "/tmp/test-path_directorynotempty/";
 203         Unit *unit = NULL;
 204
 205         assert_se(m);
 206
 207         assert_se(access(test_path, F_OK) < 0);
 208
 209         assert_se(manager_load_unit(m, "path-directorynotempty.path", NULL, NULL, &unit) >= 0);
 210         assert_se(UNIT_VTABLE(unit)->start(unit) >= 0);
 211
 212         /* MakeDirectory default to no */
 213         assert_se(access(test_path, F_OK) < 0);
 214
 215         assert_se(mkdir_p(test_path, 0755) >= 0);
 216         assert_se(touch(strjoina(test_path, "test_file")) >= 0);
 217
 218         check_stop_unlink(m, unit, test_path, NULL);
 219 }
 220
 221 static void test_path_makedirectory_directorymode(Manager *m) {
 222         const char *test_path = "/tmp/test-path_makedirectory/";
 223         Unit *unit = NULL;
 224         struct stat s;
 225
 226         assert_se(m);
 227
 228         assert_se(access(test_path, F_OK) < 0);
 229
 230         assert_se(manager_load_unit(m, "path-makedirectory.path", NULL, NULL, &unit) >= 0);
 231         assert_se(UNIT_VTABLE(unit)->start(unit) >= 0);
 232
 233         /* Check if the directory has been created */
 234         assert_se(access(test_path, F_OK) >= 0);
 235
 236         /* Check the mode we specified with DirectoryMode=0744 */
 237         assert_se(stat(test_path, &s) >= 0);
 238         assert_se((s.st_mode & S_IRWXU) == 0700);
 239         assert_se((s.st_mode & S_IRWXG) == 0040);
 240         assert_se((s.st_mode & S_IRWXO) == 0004);
 241
 242         assert_se(UNIT_VTABLE(unit)->stop(unit) >= 0);
 243         (void) rm_rf(test_path, REMOVE_ROOT|REMOVE_PHYSICAL);
 244 }
 245
 246 int main(int argc, char *argv[]) {
 247         static const test_function_t tests[] = {
 248                 test_path_exists,
 249                 test_path_existsglob,
 250                 test_path_changed,
 251                 test_path_modified,
 252                 test_path_unit,
 253                 test_path_directorynotempty,
 254                 test_path_makedirectory_directorymode,
 255                 NULL,
 256         };
 257
 258         _cleanup_(rm_rf_and_freep) char *runtime_dir = NULL;
 259         const test_function_t *test = NULL;
 260         Manager *m = NULL;
 261
 262         log_parse_environment();
 263         log_open();
 264
 265         assert_se(runtime_dir = setup_fake_runtime_dir());
 266         assert_se(set_unit_path(TEST_DIR "/test-path/") >= 0);
 267
 268         for (test = tests; test && *test; test++) {
 269                 int r;
 270
 271                 /* We create a clean environment for each test */
 272                 r = setup_test(&m);
 273                 if (r < 0)
 274                         return -r;
 275
 276                 (*test)(m);
 277
 278                 shutdown_test(m);
 279         }
 280
 281         return 0;
 282 }