src/test/test-engine.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include <errno.h>
   4 #include <stdio.h>
   5
   6 #include "bus-util.h"
   7 #include "manager.h"
   8 #include "rm-rf.h"
   9 #include "strv.h"
  10 #include "test-helper.h"
  11 #include "tests.h"
  12 #include "service.h"
  13
  14 int main(int argc, char *argv[]) {
  15         _cleanup_(rm_rf_physical_and_freep) char *runtime_dir = NULL;
  16         _cleanup_(sd_bus_error_free) sd_bus_error err = SD_BUS_ERROR_NULL;
  17         _cleanup_(manager_freep) Manager *m = NULL;
  18         Unit *a = NULL, *b = NULL, *c = NULL, *d = NULL, *e = NULL, *g = NULL,
  19              *h = NULL, *i = NULL, *a_conj = NULL, *unit_with_multiple_dashes = NULL;
  20         Job *j;
  21         int r;
  22
  23         test_setup_logging(LOG_DEBUG);
  24
  25         r = enter_cgroup_subroot();
  26         if (r == -ENOMEDIUM)
  27                 return log_tests_skipped("cgroupfs not available");
  28
  29         /* prepare the test */
  30         assert_se(set_unit_path(get_testdata_dir()) >= 0);
  31         assert_se(runtime_dir = setup_fake_runtime_dir());
  32         r = manager_new(UNIT_FILE_USER, MANAGER_TEST_RUN_BASIC, &m);
  33         if (MANAGER_SKIP_TEST(r))
  34                 return log_tests_skipped_errno(r, "manager_new");
  35         assert_se(r >= 0);
  36         assert_se(manager_startup(m, NULL, NULL) >= 0);
  37
  38         printf("Load1:\n");
  39         assert_se(manager_load_startable_unit_or_warn(m, "a.service", NULL, &a) >= 0);
  40         assert_se(manager_load_startable_unit_or_warn(m, "b.service", NULL, &b) >= 0);
  41         assert_se(manager_load_startable_unit_or_warn(m, "c.service", NULL, &c) >= 0);
  42         manager_dump_units(m, stdout, "\t");
  43
  44         printf("Test1: (Trivial)\n");
  45         r = manager_add_job(m, JOB_START, c, JOB_REPLACE, NULL, &err, &j);
  46         if (sd_bus_error_is_set(&err))
  47                 log_error("error: %s: %s", err.name, err.message);
  48         assert_se(r == 0);
  49         manager_dump_jobs(m, stdout, "\t");
  50
  51         printf("Load2:\n");
  52         manager_clear_jobs(m);
  53         assert_se(manager_load_startable_unit_or_warn(m, "d.service", NULL, &d) >= 0);
  54         assert_se(manager_load_startable_unit_or_warn(m, "e.service", NULL, &e) >= 0);
  55         manager_dump_units(m, stdout, "\t");
  56
  57         printf("Test2: (Cyclic Order, Unfixable)\n");
  58         assert_se(manager_add_job(m, JOB_START, d, JOB_REPLACE, NULL, NULL, &j) == -EDEADLK);
  59         manager_dump_jobs(m, stdout, "\t");
  60
  61         printf("Test3: (Cyclic Order, Fixable, Garbage Collector)\n");
  62         assert_se(manager_add_job(m, JOB_START, e, JOB_REPLACE, NULL, NULL, &j) == 0);
  63         manager_dump_jobs(m, stdout, "\t");
  64
  65         printf("Test4: (Identical transaction)\n");
  66         assert_se(manager_add_job(m, JOB_START, e, JOB_FAIL, NULL, NULL, &j) == 0);
  67         manager_dump_jobs(m, stdout, "\t");
  68
  69         printf("Load3:\n");
  70         assert_se(manager_load_startable_unit_or_warn(m, "g.service", NULL, &g) >= 0);
  71         manager_dump_units(m, stdout, "\t");
  72
  73         printf("Test5: (Colliding transaction, fail)\n");
  74         assert_se(manager_add_job(m, JOB_START, g, JOB_FAIL, NULL, NULL, &j) == -EDEADLK);
  75
  76         printf("Test6: (Colliding transaction, replace)\n");
  77         assert_se(manager_add_job(m, JOB_START, g, JOB_REPLACE, NULL, NULL, &j) == 0);
  78         manager_dump_jobs(m, stdout, "\t");
  79
  80         printf("Test7: (Unmergeable job type, fail)\n");
  81         assert_se(manager_add_job(m, JOB_STOP, g, JOB_FAIL, NULL, NULL, &j) == -EDEADLK);
  82
  83         printf("Test8: (Mergeable job type, fail)\n");
  84         assert_se(manager_add_job(m, JOB_RESTART, g, JOB_FAIL, NULL, NULL, &j) == 0);
  85         manager_dump_jobs(m, stdout, "\t");
  86
  87         printf("Test9: (Unmergeable job type, replace)\n");
  88         assert_se(manager_add_job(m, JOB_STOP, g, JOB_REPLACE, NULL, NULL, &j) == 0);
  89         manager_dump_jobs(m, stdout, "\t");
  90
  91         printf("Load4:\n");
  92         assert_se(manager_load_startable_unit_or_warn(m, "h.service", NULL, &h) >= 0);
  93         manager_dump_units(m, stdout, "\t");
  94
  95         printf("Test10: (Unmergeable job type of auxiliary job, fail)\n");
  96         assert_se(manager_add_job(m, JOB_START, h, JOB_FAIL, NULL, NULL, &j) == 0);
  97         manager_dump_jobs(m, stdout, "\t");
  98
  99         printf("Load5:\n");
 100         manager_clear_jobs(m);
 101         assert_se(manager_load_startable_unit_or_warn(m, "i.service", NULL, &i) >= 0);
 102         SERVICE(a)->state = SERVICE_RUNNING;
 103         SERVICE(d)->state = SERVICE_RUNNING;
 104         manager_dump_units(m, stdout, "\t");
 105
 106         printf("Test11: (Start/stop job ordering, execution cycle)\n");
 107         assert_se(manager_add_job(m, JOB_START, i, JOB_FAIL, NULL, NULL, &j) == 0);
 108         assert_se(unit_has_job_type(a, JOB_STOP));
 109         assert_se(unit_has_job_type(d, JOB_STOP));
 110         assert_se(unit_has_job_type(b, JOB_START));
 111         manager_dump_jobs(m, stdout, "\t");
 112
 113         printf("Load6:\n");
 114         manager_clear_jobs(m);
 115         assert_se(manager_load_startable_unit_or_warn(m, "a-conj.service", NULL, &a_conj) >= 0);
 116         SERVICE(a)->state = SERVICE_DEAD;
 117         manager_dump_units(m, stdout, "\t");
 118
 119         printf("Test12: (Trivial cycle, Unfixable)\n");
 120         assert_se(manager_add_job(m, JOB_START, a_conj, JOB_REPLACE, NULL, NULL, &j) == -EDEADLK);
 121         manager_dump_jobs(m, stdout, "\t");
 122
 123         assert_se(!hashmap_get(a->dependencies[UNIT_PROPAGATES_RELOAD_TO], b));
 124         assert_se(!hashmap_get(b->dependencies[UNIT_RELOAD_PROPAGATED_FROM], a));
 125         assert_se(!hashmap_get(a->dependencies[UNIT_PROPAGATES_RELOAD_TO], c));
 126         assert_se(!hashmap_get(c->dependencies[UNIT_RELOAD_PROPAGATED_FROM], a));
 127
 128         assert_se(unit_add_dependency(a, UNIT_PROPAGATES_RELOAD_TO, b, true, UNIT_DEPENDENCY_UDEV) == 0);
 129         assert_se(unit_add_dependency(a, UNIT_PROPAGATES_RELOAD_TO, c, true, UNIT_DEPENDENCY_PROC_SWAP) == 0);
 130
 131         assert_se(hashmap_get(a->dependencies[UNIT_PROPAGATES_RELOAD_TO], b));
 132         assert_se(hashmap_get(b->dependencies[UNIT_RELOAD_PROPAGATED_FROM], a));
 133         assert_se(hashmap_get(a->dependencies[UNIT_PROPAGATES_RELOAD_TO], c));
 134         assert_se(hashmap_get(c->dependencies[UNIT_RELOAD_PROPAGATED_FROM], a));
 135
 136         unit_remove_dependencies(a, UNIT_DEPENDENCY_UDEV);
 137
 138         assert_se(!hashmap_get(a->dependencies[UNIT_PROPAGATES_RELOAD_TO], b));
 139         assert_se(!hashmap_get(b->dependencies[UNIT_RELOAD_PROPAGATED_FROM], a));
 140         assert_se(hashmap_get(a->dependencies[UNIT_PROPAGATES_RELOAD_TO], c));
 141         assert_se(hashmap_get(c->dependencies[UNIT_RELOAD_PROPAGATED_FROM], a));
 142
 143         unit_remove_dependencies(a, UNIT_DEPENDENCY_PROC_SWAP);
 144
 145         assert_se(!hashmap_get(a->dependencies[UNIT_PROPAGATES_RELOAD_TO], b));
 146         assert_se(!hashmap_get(b->dependencies[UNIT_RELOAD_PROPAGATED_FROM], a));
 147         assert_se(!hashmap_get(a->dependencies[UNIT_PROPAGATES_RELOAD_TO], c));
 148         assert_se(!hashmap_get(c->dependencies[UNIT_RELOAD_PROPAGATED_FROM], a));
 149
 150         assert_se(manager_load_unit(m, "unit-with-multiple-dashes.service", NULL, NULL, &unit_with_multiple_dashes) >= 0);
 151
 152         assert_se(strv_equal(unit_with_multiple_dashes->documentation, STRV_MAKE("man:test", "man:override2", "man:override3")));
 153         assert_se(streq_ptr(unit_with_multiple_dashes->description, "override4"));
 154
 155         return 0;
 156 }