testsuite/test-dependencies.c

   1 /*
   2  * Copyright (C) 2011-2013  ProFUSION embedded systems
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include <errno.h>
  19 #include <inttypes.h>
  20 #include <stddef.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <unistd.h>
  25
  26 #include <shared/util.h>
  27
  28 #include <libkmod/libkmod.h>
  29
  30 #include "testsuite.h"
  31
  32 #define TEST_UNAME "4.0.20-kmod"
  33
  34 static int test_dependencies(const struct test *t)
  35 {
  36         struct kmod_ctx *ctx;
  37         struct kmod_module *mod;
  38         struct kmod_list *list, *l;
  39         int err;
  40         size_t len = 0;
  41         int crc16 = 0, mbcache = 0, jbd2 = 0;
  42
  43         ctx = kmod_new(NULL, NULL);
  44         if (ctx == NULL)
  45                 return EXIT_FAILURE;
  46
  47         err = kmod_module_new_from_name(ctx, "ext4", &mod);
  48         if (err < 0) {
  49                 kmod_unref(ctx);
  50                 return EXIT_FAILURE;
  51         }
  52
  53         list = kmod_module_get_dependencies(mod);
  54
  55         kmod_list_foreach(l, list) {
  56                 struct kmod_module *m = kmod_module_get_module(l);
  57                 const char *name = kmod_module_get_name(m);
  58
  59                 if (streq(name, "crc16"))
  60                         crc16 = 1;
  61                 if (streq(name, "mbcache"))
  62                         mbcache = 1;
  63                 else if (streq(name, "jbd2"))
  64                         jbd2 = 1;
  65
  66                 kmod_module_unref(m);
  67                 len++;
  68         }
  69
  70         /* crc16, mbcache, jbd2 */
  71         if (len != 3 || !crc16 || !mbcache || !jbd2)
  72                 return EXIT_FAILURE;
  73
  74         kmod_module_unref_list(list);
  75         kmod_module_unref(mod);
  76         kmod_unref(ctx);
  77
  78         return EXIT_SUCCESS;
  79 }
  80 static const struct test stest_dependencies = {
  81         .name = "test_dependencies",
  82         .description = "test if kmod_module_get_dependencies works",
  83         .func = test_dependencies,
  84         .config = {
  85                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-dependencies/",
  86                 [TC_UNAME_R] = TEST_UNAME,
  87         },
  88         .need_spawn = true,
  89 };
  90
  91 TESTSUITE_MAIN();