src/test/test-engine.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   This file is part of systemd.
   4
   5   Copyright 2010 Lennart Poettering
   6 ***/
   7
   8 #include <errno.h>
   9 #include <stdio.h>
  10 #include <string.h>
  11
  12 #include "bus-util.h"
  13 #include "manager.h"
  14 #include "rm-rf.h"
  15 #include "test-helper.h"
  16 #include "tests.h"
  17
  18 int main(int argc, char *argv[]) {
  19         _cleanup_(rm_rf_physical_and_freep) char *runtime_dir = NULL;
  20         _cleanup_(sd_bus_error_free) sd_bus_error err = SD_BUS_ERROR_NULL;
  21         _cleanup_(manager_freep) Manager *m = NULL;
  22         Unit *a = NULL, *b = NULL, *c = NULL, *d = NULL, *e = NULL, *g = NULL, *h = NULL, *unit_with_multiple_dashes = NULL;
  23         FILE *serial = NULL;
  24         FDSet *fdset = NULL;
  25         Job *j;
  26         int r;
  27
  28         log_set_max_level(LOG_DEBUG);
  29         log_parse_environment();
  30         log_open();
  31
  32         r = enter_cgroup_subroot();
  33         if (r == -ENOMEDIUM) {
  34                 log_notice_errno(r, "Skipping test: cgroupfs not available");
  35                 return EXIT_TEST_SKIP;
  36         }
  37
  38         /* prepare the test */
  39         assert_se(set_unit_path(get_testdata_dir("")) >= 0);
  40         assert_se(runtime_dir = setup_fake_runtime_dir());
  41         r = manager_new(UNIT_FILE_USER, MANAGER_TEST_RUN_BASIC, &m);
  42         if (MANAGER_SKIP_TEST(r)) {
  43                 log_notice_errno(r, "Skipping test: manager_new: %m");
  44                 return EXIT_TEST_SKIP;
  45         }
  46         assert_se(r >= 0);
  47         assert_se(manager_startup(m, serial, fdset) >= 0);
  48
  49         printf("Load1:\n");
  50         assert_se(manager_load_startable_unit_or_warn(m, "a.service", NULL, &a) >= 0);
  51         assert_se(manager_load_startable_unit_or_warn(m, "b.service", NULL, &b) >= 0);
  52         assert_se(manager_load_startable_unit_or_warn(m, "c.service", NULL, &c) >= 0);
  53         manager_dump_units(m, stdout, "\t");
  54
  55         printf("Test1: (Trivial)\n");
  56         r = manager_add_job(m, JOB_START, c, JOB_REPLACE, &err, &j);
  57         if (sd_bus_error_is_set(&err))
  58                 log_error("error: %s: %s", err.name, err.message);
  59         assert_se(r == 0);
  60         manager_dump_jobs(m, stdout, "\t");
  61
  62         printf("Load2:\n");
  63         manager_clear_jobs(m);
  64         assert_se(manager_load_startable_unit_or_warn(m, "d.service", NULL, &d) >= 0);
  65         assert_se(manager_load_startable_unit_or_warn(m, "e.service", NULL, &e) >= 0);
  66         manager_dump_units(m, stdout, "\t");
  67
  68         printf("Test2: (Cyclic Order, Unfixable)\n");
  69         assert_se(manager_add_job(m, JOB_START, d, JOB_REPLACE, NULL, &j) == -EDEADLK);
  70         manager_dump_jobs(m, stdout, "\t");
  71
  72         printf("Test3: (Cyclic Order, Fixable, Garbage Collector)\n");
  73         assert_se(manager_add_job(m, JOB_START, e, JOB_REPLACE, NULL, &j) == 0);
  74         manager_dump_jobs(m, stdout, "\t");
  75
  76         printf("Test4: (Identical transaction)\n");
  77         assert_se(manager_add_job(m, JOB_START, e, JOB_FAIL, NULL, &j) == 0);
  78         manager_dump_jobs(m, stdout, "\t");
  79
  80         printf("Load3:\n");
  81         assert_se(manager_load_startable_unit_or_warn(m, "g.service", NULL, &g) >= 0);
  82         manager_dump_units(m, stdout, "\t");
  83
  84         printf("Test5: (Colliding transaction, fail)\n");
  85         assert_se(manager_add_job(m, JOB_START, g, JOB_FAIL, NULL, &j) == -EDEADLK);
  86
  87         printf("Test6: (Colliding transaction, replace)\n");
  88         assert_se(manager_add_job(m, JOB_START, g, JOB_REPLACE, NULL, &j) == 0);
  89         manager_dump_jobs(m, stdout, "\t");
  90
  91         printf("Test7: (Unmergeable job type, fail)\n");
  92         assert_se(manager_add_job(m, JOB_STOP, g, JOB_FAIL, NULL, &j) == -EDEADLK);
  93
  94         printf("Test8: (Mergeable job type, fail)\n");
  95         assert_se(manager_add_job(m, JOB_RESTART, g, JOB_FAIL, NULL, &j) == 0);
  96         manager_dump_jobs(m, stdout, "\t");
  97
  98         printf("Test9: (Unmergeable job type, replace)\n");
  99         assert_se(manager_add_job(m, JOB_STOP, g, JOB_REPLACE, NULL, &j) == 0);
 100         manager_dump_jobs(m, stdout, "\t");
 101
 102         printf("Load4:\n");
 103         assert_se(manager_load_startable_unit_or_warn(m, "h.service", NULL, &h) >= 0);
 104         manager_dump_units(m, stdout, "\t");
 105
 106         printf("Test10: (Unmergeable job type of auxiliary job, fail)\n");
 107         assert_se(manager_add_job(m, JOB_START, h, JOB_FAIL, NULL, &j) == 0);
 108         manager_dump_jobs(m, stdout, "\t");
 109
 110         assert_se(!hashmap_get(a->dependencies[UNIT_PROPAGATES_RELOAD_TO], b));
 111         assert_se(!hashmap_get(b->dependencies[UNIT_RELOAD_PROPAGATED_FROM], a));
 112         assert_se(!hashmap_get(a->dependencies[UNIT_PROPAGATES_RELOAD_TO], c));
 113         assert_se(!hashmap_get(c->dependencies[UNIT_RELOAD_PROPAGATED_FROM], a));
 114
 115         assert_se(unit_add_dependency(a, UNIT_PROPAGATES_RELOAD_TO, b, true, UNIT_DEPENDENCY_UDEV) == 0);
 116         assert_se(unit_add_dependency(a, UNIT_PROPAGATES_RELOAD_TO, c, true, UNIT_DEPENDENCY_PROC_SWAP) == 0);
 117
 118         assert_se(hashmap_get(a->dependencies[UNIT_PROPAGATES_RELOAD_TO], b));
 119         assert_se(hashmap_get(b->dependencies[UNIT_RELOAD_PROPAGATED_FROM], a));
 120         assert_se(hashmap_get(a->dependencies[UNIT_PROPAGATES_RELOAD_TO], c));
 121         assert_se(hashmap_get(c->dependencies[UNIT_RELOAD_PROPAGATED_FROM], a));
 122
 123         unit_remove_dependencies(a, UNIT_DEPENDENCY_UDEV);
 124
 125         assert_se(!hashmap_get(a->dependencies[UNIT_PROPAGATES_RELOAD_TO], b));
 126         assert_se(!hashmap_get(b->dependencies[UNIT_RELOAD_PROPAGATED_FROM], a));
 127         assert_se(hashmap_get(a->dependencies[UNIT_PROPAGATES_RELOAD_TO], c));
 128         assert_se(hashmap_get(c->dependencies[UNIT_RELOAD_PROPAGATED_FROM], a));
 129
 130         unit_remove_dependencies(a, UNIT_DEPENDENCY_PROC_SWAP);
 131
 132         assert_se(!hashmap_get(a->dependencies[UNIT_PROPAGATES_RELOAD_TO], b));
 133         assert_se(!hashmap_get(b->dependencies[UNIT_RELOAD_PROPAGATED_FROM], a));
 134         assert_se(!hashmap_get(a->dependencies[UNIT_PROPAGATES_RELOAD_TO], c));
 135         assert_se(!hashmap_get(c->dependencies[UNIT_RELOAD_PROPAGATED_FROM], a));
 136
 137         assert_se(manager_load_unit(m, "unit-with-multiple-dashes.service", NULL, NULL, &unit_with_multiple_dashes) >= 0);
 138
 139         assert_se(strv_equal(unit_with_multiple_dashes->documentation, STRV_MAKE("man:test", "man:override2", "man:override3")));
 140         assert_se(streq_ptr(unit_with_multiple_dashes->description, "override4"));
 141
 142         return 0;
 143 }