src/test/test-engine.c

   1 /***
   2   This file is part of systemd.
   3
   4   Copyright 2010 Lennart Poettering
   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 <errno.h>
  21 #include <stdio.h>
  22 #include <string.h>
  23
  24 #include "bus-util.h"
  25 #include "manager.h"
  26 #include "rm-rf.h"
  27 #include "test-helper.h"
  28 #include "tests.h"
  29
  30 int main(int argc, char *argv[]) {
  31         _cleanup_(rm_rf_physical_and_freep) char *runtime_dir = NULL;
  32         _cleanup_(sd_bus_error_free) sd_bus_error err = SD_BUS_ERROR_NULL;
  33         Manager *m = NULL;
  34         Unit *a = NULL, *b = NULL, *c = NULL, *d = NULL, *e = NULL, *g = NULL, *h = NULL;
  35         FILE *serial = NULL;
  36         FDSet *fdset = NULL;
  37         Job *j;
  38         int r;
  39
  40         assert_se(runtime_dir = setup_fake_runtime_dir());
  41
  42         /* prepare the test */
  43         assert_se(set_unit_path(TEST_DIR) >= 0);
  44         r = manager_new(UNIT_FILE_USER, true, &m);
  45         if (MANAGER_SKIP_TEST(r)) {
  46                 printf("Skipping test: manager_new: %s\n", strerror(-r));
  47                 return EXIT_TEST_SKIP;
  48         }
  49         assert_se(r >= 0);
  50         assert_se(manager_startup(m, serial, fdset) >= 0);
  51
  52         printf("Load1:\n");
  53         assert_se(manager_load_unit(m, "a.service", NULL, NULL, &a) >= 0);
  54         assert_se(manager_load_unit(m, "b.service", NULL, NULL, &b) >= 0);
  55         assert_se(manager_load_unit(m, "c.service", NULL, NULL, &c) >= 0);
  56         manager_dump_units(m, stdout, "\t");
  57
  58         printf("Test1: (Trivial)\n");
  59         r = manager_add_job(m, JOB_START, c, JOB_REPLACE, &err, &j);
  60         if (sd_bus_error_is_set(&err))
  61                 log_error("error: %s: %s", err.name, err.message);
  62         assert_se(r == 0);
  63         manager_dump_jobs(m, stdout, "\t");
  64
  65         printf("Load2:\n");
  66         manager_clear_jobs(m);
  67         assert_se(manager_load_unit(m, "d.service", NULL, NULL, &d) >= 0);
  68         assert_se(manager_load_unit(m, "e.service", NULL, NULL, &e) >= 0);
  69         manager_dump_units(m, stdout, "\t");
  70
  71         printf("Test2: (Cyclic Order, Unfixable)\n");
  72         assert_se(manager_add_job(m, JOB_START, d, JOB_REPLACE, NULL, &j) == -EDEADLK);
  73         manager_dump_jobs(m, stdout, "\t");
  74
  75         printf("Test3: (Cyclic Order, Fixable, Garbage Collector)\n");
  76         assert_se(manager_add_job(m, JOB_START, e, JOB_REPLACE, NULL, &j) == 0);
  77         manager_dump_jobs(m, stdout, "\t");
  78
  79         printf("Test4: (Identical transaction)\n");
  80         assert_se(manager_add_job(m, JOB_START, e, JOB_FAIL, NULL, &j) == 0);
  81         manager_dump_jobs(m, stdout, "\t");
  82
  83         printf("Load3:\n");
  84         assert_se(manager_load_unit(m, "g.service", NULL, NULL, &g) >= 0);
  85         manager_dump_units(m, stdout, "\t");
  86
  87         printf("Test5: (Colliding transaction, fail)\n");
  88         assert_se(manager_add_job(m, JOB_START, g, JOB_FAIL, NULL, &j) == -EDEADLK);
  89
  90         printf("Test6: (Colliding transaction, replace)\n");
  91         assert_se(manager_add_job(m, JOB_START, g, JOB_REPLACE, NULL, &j) == 0);
  92         manager_dump_jobs(m, stdout, "\t");
  93
  94         printf("Test7: (Unmergeable job type, fail)\n");
  95         assert_se(manager_add_job(m, JOB_STOP, g, JOB_FAIL, NULL, &j) == -EDEADLK);
  96
  97         printf("Test8: (Mergeable job type, fail)\n");
  98         assert_se(manager_add_job(m, JOB_RESTART, g, JOB_FAIL, NULL, &j) == 0);
  99         manager_dump_jobs(m, stdout, "\t");
 100
 101         printf("Test9: (Unmergeable job type, replace)\n");
 102         assert_se(manager_add_job(m, JOB_STOP, g, JOB_REPLACE, NULL, &j) == 0);
 103         manager_dump_jobs(m, stdout, "\t");
 104
 105         printf("Load4:\n");
 106         assert_se(manager_load_unit(m, "h.service", NULL, NULL, &h) >= 0);
 107         manager_dump_units(m, stdout, "\t");
 108
 109         printf("Test10: (Unmergeable job type of auxiliary job, fail)\n");
 110         assert_se(manager_add_job(m, JOB_START, h, JOB_FAIL, NULL, &j) == 0);
 111         manager_dump_jobs(m, stdout, "\t");
 112
 113         manager_free(m);
 114
 115         return 0;
 116 }