testsuite/test-testsuite.c

   1 /*
   2  * Copyright (C) 2012-2013  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 <dirent.h>
  20 #include <errno.h>
  21 #include <stddef.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <unistd.h>
  26 #include <sys/stat.h>
  27 #include <sys/types.h>
  28 #include <sys/utsname.h>
  29
  30 #include <libkmod.h>
  31
  32 #include "testsuite.h"
  33
  34
  35 #define TEST_UNAME "4.0.20-kmod"
  36 static noreturn int testsuite_uname(const struct test *t)
  37 {
  38         struct utsname u;
  39         int err = uname(&u);
  40
  41         if (err < 0)
  42                 exit(EXIT_FAILURE);
  43
  44         if (strcmp(u.release, TEST_UNAME) != 0) {
  45                 char *ldpreload = getenv("LD_PRELOAD");
  46                 ERR("u.release=%s should be %s\n", u.release, TEST_UNAME);
  47                 ERR("LD_PRELOAD=%s\n", ldpreload);
  48                 exit(EXIT_FAILURE);
  49         }
  50
  51         exit(EXIT_SUCCESS);
  52 }
  53 DEFINE_TEST(testsuite_uname,
  54         .description = "test if trap to uname() works",
  55         .config = {
  56                 [TC_UNAME_R] = TEST_UNAME,
  57         },
  58         .need_spawn = true);
  59
  60 static int testsuite_rootfs_fopen(const struct test *t)
  61 {
  62         FILE *fp;
  63         char s[100];
  64         int n;
  65
  66         fp = fopen("/lib/modules/a", "r");
  67         if (fp == NULL)
  68                 return EXIT_FAILURE;;
  69
  70         n = fscanf(fp, "%s", s);
  71         if (n != 1)
  72                 return EXIT_FAILURE;
  73
  74         if (strcmp(s, "kmod-test-chroot-works") != 0)
  75                 return EXIT_FAILURE;
  76
  77         return EXIT_SUCCESS;
  78 }
  79 DEFINE_TEST(testsuite_rootfs_fopen,
  80         .description = "test if rootfs works - fopen()",
  81         .config = {
  82                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-rootfs/",
  83         },
  84         .need_spawn = true);
  85
  86 static int testsuite_rootfs_open(const struct test *t)
  87 {
  88         char buf[100];
  89         int fd, done;
  90
  91         fd = open("/lib/modules/a", O_RDONLY);
  92         if (fd < 0)
  93                 return EXIT_FAILURE;
  94
  95         for (done = 0;;) {
  96                 int r = read(fd, buf + done, sizeof(buf) - 1 - done);
  97                 if (r == 0)
  98                         break;
  99                 if (r == -EWOULDBLOCK || r == -EAGAIN)
 100                         continue;
 101
 102                 done += r;
 103         }
 104
 105         buf[done] = '\0';
 106
 107         if (strcmp(buf, "kmod-test-chroot-works\n") != 0)
 108                 return EXIT_FAILURE;
 109
 110         return EXIT_SUCCESS;
 111 }
 112 DEFINE_TEST(testsuite_rootfs_open,
 113         .description = "test if rootfs works - open()",
 114         .config = {
 115                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-rootfs/",
 116         },
 117         .need_spawn = true);
 118
 119 static int testsuite_rootfs_stat_access(const struct test *t)
 120 {
 121         struct stat st;
 122
 123         if (access("/lib/modules/a", F_OK) < 0) {
 124                 ERR("access failed: %m\n");
 125                 return EXIT_FAILURE;
 126         }
 127
 128         if (stat("/lib/modules/a", &st) < 0) {
 129                 ERR("stat failed: %m\n");
 130                 return EXIT_FAILURE;
 131         }
 132
 133         return EXIT_SUCCESS;
 134 }
 135 DEFINE_TEST(testsuite_rootfs_stat_access,
 136         .description = "test if rootfs works - stat() and access()",
 137         .config = {
 138                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-rootfs/",
 139         },
 140         .need_spawn = true);
 141
 142 static int testsuite_rootfs_opendir(const struct test *t)
 143 {
 144         DIR *d;
 145
 146         d = opendir("/testdir");
 147         if (d == NULL) {
 148                 ERR("opendir failed: %m\n");
 149                 return EXIT_FAILURE;
 150         }
 151
 152         closedir(d);
 153         return EXIT_SUCCESS;
 154 }
 155 DEFINE_TEST(testsuite_rootfs_opendir,
 156         .description = "test if rootfs works - opendir()",
 157         .config = {
 158                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-rootfs/",
 159         },
 160         .need_spawn = true);
 161
 162 static const struct test *tests[] = {
 163         &stestsuite_uname,
 164         &stestsuite_rootfs_fopen,
 165         &stestsuite_rootfs_open,
 166         &stestsuite_rootfs_stat_access,
 167         &stestsuite_rootfs_opendir,
 168         NULL,
 169 };
 170
 171 TESTSUITE_MAIN(tests);