src/test/test-path-lookup.c

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2
   3 #include <stdlib.h>
   4
   5 #include "log.h"
   6 #include "path-lookup.h"
   7 #include "rm-rf.h"
   8 #include "string-util.h"
   9 #include "strv.h"
  10 #include "tests.h"
  11 #include "tmpfile-util.h"
  12
  13 static void test_paths_one(RuntimeScope scope) {
  14         _cleanup_(rm_rf_physical_and_freep) char *tmp = NULL;
  15         _cleanup_(lookup_paths_done) LookupPaths lp_without_env = {};
  16         _cleanup_(lookup_paths_done) LookupPaths lp_with_env = {};
  17         char *systemd_unit_path;
  18
  19         assert_se(mkdtemp_malloc("/tmp/test-path-lookup.XXXXXXX", &tmp) >= 0);
  20
  21         assert_se(unsetenv("SYSTEMD_UNIT_PATH") == 0);
  22         assert_se(lookup_paths_init(&lp_without_env, scope, 0, NULL) >= 0);
  23         assert_se(!strv_isempty(lp_without_env.search_path));
  24         lookup_paths_log(&lp_without_env);
  25
  26         systemd_unit_path = strjoina(tmp, "/systemd-unit-path");
  27         assert_se(setenv("SYSTEMD_UNIT_PATH", systemd_unit_path, 1) == 0);
  28         assert_se(lookup_paths_init(&lp_with_env, scope, 0, NULL) == 0);
  29         assert_se(strv_length(lp_with_env.search_path) == 1);
  30         ASSERT_STREQ(lp_with_env.search_path[0], systemd_unit_path);
  31         lookup_paths_log(&lp_with_env);
  32         assert_se(strv_equal(lp_with_env.search_path, STRV_MAKE(systemd_unit_path)));
  33 }
  34
  35 TEST(paths) {
  36         test_paths_one(RUNTIME_SCOPE_SYSTEM);
  37         test_paths_one(RUNTIME_SCOPE_USER);
  38         test_paths_one(RUNTIME_SCOPE_GLOBAL);
  39 }
  40
  41 TEST(user_and_global_paths) {
  42         _cleanup_(lookup_paths_done) LookupPaths lp_global = {}, lp_user = {};
  43         char **u, **g;
  44         unsigned k = 0;
  45
  46         assert_se(unsetenv("SYSTEMD_UNIT_PATH") == 0);
  47         assert_se(unsetenv("XDG_DATA_DIRS") == 0);
  48         assert_se(unsetenv("XDG_CONFIG_DIRS") == 0);
  49
  50         assert_se(lookup_paths_init(&lp_global, RUNTIME_SCOPE_GLOBAL, 0, NULL) == 0);
  51         assert_se(lookup_paths_init(&lp_user, RUNTIME_SCOPE_USER, 0, NULL) == 0);
  52         g = lp_global.search_path;
  53         u = lp_user.search_path;
  54
  55         /* Go over all entries in global search path, and verify
  56          * that they also exist in the user search path. Skip any
  57          * entries in user search path which don't exist in the global
  58          * one, but not vice versa. */
  59         STRV_FOREACH(p, g) {
  60                 while (u[k] && !streq(*p, u[k])) {
  61                         log_info("+ %s", u[k]);
  62                         k++;
  63                 }
  64                 log_info("  %s", *p);
  65                 assert_se(u[k]); /* If NULL, we didn't find a matching entry */
  66                 k++;
  67         }
  68         STRV_FOREACH(p, u + k)
  69                 log_info("+ %s", *p);
  70 }
  71
  72 static void test_generator_binary_paths_one(RuntimeScope scope) {
  73         _cleanup_(rm_rf_physical_and_freep) char *tmp = NULL;
  74         _cleanup_strv_free_ char **gp_without_env = NULL;
  75         _cleanup_strv_free_ char **env_gp_without_env = NULL;
  76         _cleanup_strv_free_ char **gp_with_env = NULL;
  77         _cleanup_strv_free_ char **env_gp_with_env = NULL;
  78         char *systemd_generator_path = NULL;
  79         char *systemd_env_generator_path = NULL;
  80
  81         assert_se(mkdtemp_malloc("/tmp/test-path-lookup.XXXXXXX", &tmp) >= 0);
  82
  83         assert_se(unsetenv("SYSTEMD_GENERATOR_PATH") == 0);
  84         assert_se(unsetenv("SYSTEMD_ENVIRONMENT_GENERATOR_PATH") == 0);
  85
  86         gp_without_env = generator_binary_paths(scope);
  87         env_gp_without_env = env_generator_binary_paths(scope);
  88
  89         log_info("Generators dirs (%s):", runtime_scope_to_string(scope));
  90         STRV_FOREACH(dir, gp_without_env)
  91                 log_info("        %s", *dir);
  92
  93         log_info("Environment generators dirs (%s):", runtime_scope_to_string(scope));
  94         STRV_FOREACH(dir, env_gp_without_env)
  95                 log_info("        %s", *dir);
  96
  97         assert_se(!strv_isempty(gp_without_env));
  98         assert_se(!strv_isempty(env_gp_without_env));
  99
 100         systemd_generator_path = strjoina(tmp, "/systemd-generator-path");
 101         systemd_env_generator_path = strjoina(tmp, "/systemd-environment-generator-path");
 102         assert_se(setenv("SYSTEMD_GENERATOR_PATH", systemd_generator_path, 1) == 0);
 103         assert_se(setenv("SYSTEMD_ENVIRONMENT_GENERATOR_PATH", systemd_env_generator_path, 1) == 0);
 104
 105         gp_with_env = generator_binary_paths(scope);
 106         env_gp_with_env = env_generator_binary_paths(scope);
 107
 108         log_info("Generators dirs (%s):", runtime_scope_to_string(scope));
 109         STRV_FOREACH(dir, gp_with_env)
 110                 log_info("        %s", *dir);
 111
 112         log_info("Environment generators dirs (%s):", runtime_scope_to_string(scope));
 113         STRV_FOREACH(dir, env_gp_with_env)
 114                 log_info("        %s", *dir);
 115
 116         assert_se(strv_equal(gp_with_env, STRV_MAKE(systemd_generator_path)));
 117         assert_se(strv_equal(env_gp_with_env, STRV_MAKE(systemd_env_generator_path)));
 118 }
 119
 120 TEST(generator_binary_paths) {
 121         test_generator_binary_paths_one(RUNTIME_SCOPE_SYSTEM);
 122         test_generator_binary_paths_one(RUNTIME_SCOPE_USER);
 123 }
 124
 125 DEFINE_TEST_MAIN(LOG_DEBUG);