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, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  */
  18
  19 #include <errno.h>
  20 #include <inttypes.h>
  21 #include <stddef.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <unistd.h>
  26
  27 #include <libkmod.h>
  28
  29 #include "testsuite.h"
  30
  31 #define TEST_UNAME "4.0.20-kmod"
  32
  33 static int test_dependencies(const struct test *t)
  34 {
  35         struct kmod_ctx *ctx;
  36         struct kmod_module *mod;
  37         struct kmod_list *list, *l;
  38         int err;
  39         size_t len = 0;
  40         int crc16 = 0, mbcache = 0, jbd2 = 0;
  41
  42         ctx = kmod_new(NULL, NULL);
  43         if (ctx == NULL)
  44                 return EXIT_FAILURE;
  45
  46         err = kmod_module_new_from_name(ctx, "ext4", &mod);
  47         if (err < 0) {
  48                 kmod_unref(ctx);
  49                 return EXIT_FAILURE;
  50         }
  51
  52         list = kmod_module_get_dependencies(mod);
  53
  54         kmod_list_foreach(l, list) {
  55                 struct kmod_module *m = kmod_module_get_module(l);
  56                 const char *name = kmod_module_get_name(m);
  57
  58                 if (strcmp(name, "crc16") == 0)
  59                         crc16 = 1;
  60                 if (strcmp(name, "mbcache") == 0)
  61                         mbcache = 1;
  62                 else if (strcmp(name, "jbd2") == 0)
  63                         jbd2 = 1;
  64
  65                 kmod_module_unref(m);
  66                 len++;
  67         }
  68
  69         /* crc16, mbcache, jbd2 */
  70         if (len != 3 || !crc16 || !mbcache || !jbd2)
  71                 return EXIT_FAILURE;
  72
  73         kmod_module_unref_list(list);
  74         kmod_module_unref(mod);
  75         kmod_unref(ctx);
  76
  77         return EXIT_SUCCESS;
  78 }
  79 static const struct test stest_dependencies = {
  80         .name = "test_dependencies",
  81         .description = "test if kmod_module_get_dependencies works",
  82         .func = test_dependencies,
  83         .config = {
  84                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-dependencies/",
  85                 [TC_UNAME_R] = TEST_UNAME,
  86         },
  87         .need_spawn = true,
  88 };
  89
  90 TESTSUITE_MAIN();