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, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include <dirent.h>
  19 #include <errno.h>
  20 #include <stddef.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <unistd.h>
  25 #include <sys/stat.h>
  26 #include <sys/types.h>
  27 #include <sys/utsname.h>
  28
  29 #include <shared/util.h>
  30
  31 #include <libkmod/libkmod.h>
  32
  33 #include "testsuite.h"
  34
  35
  36 #define TEST_UNAME "4.0.20-kmod"
  37 static noreturn int testsuite_uname(const struct test *t)
  38 {
  39         struct utsname u;
  40         int err = uname(&u);
  41
  42         if (err < 0)
  43                 exit(EXIT_FAILURE);
  44
  45         if (!streq(u.release, TEST_UNAME)) {
  46                 char *ldpreload = getenv("LD_PRELOAD");
  47                 ERR("u.release=%s should be %s\n", u.release, TEST_UNAME);
  48                 ERR("LD_PRELOAD=%s\n", ldpreload);
  49                 exit(EXIT_FAILURE);
  50         }
  51
  52         exit(EXIT_SUCCESS);
  53 }
  54 DEFINE_TEST(testsuite_uname,
  55         .description = "test if trap to uname() works",
  56         .config = {
  57                 [TC_UNAME_R] = TEST_UNAME,
  58         },
  59         .need_spawn = true);
  60
  61 static int testsuite_rootfs_fopen(const struct test *t)
  62 {
  63         FILE *fp;
  64         char s[100];
  65         int n;
  66
  67         fp = fopen("/lib/modules/a", "r");
  68         if (fp == NULL)
  69                 return EXIT_FAILURE;;
  70
  71         n = fscanf(fp, "%s", s);
  72         if (n != 1)
  73                 return EXIT_FAILURE;
  74
  75         if (!streq(s, "kmod-test-chroot-works"))
  76                 return EXIT_FAILURE;
  77
  78         return EXIT_SUCCESS;
  79 }
  80 DEFINE_TEST(testsuite_rootfs_fopen,
  81         .description = "test if rootfs works - fopen()",
  82         .config = {
  83                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-rootfs/",
  84         },
  85         .need_spawn = true);
  86
  87 static int testsuite_rootfs_open(const struct test *t)
  88 {
  89         char buf[100];
  90         int fd, done;
  91
  92         fd = open("/lib/modules/a", O_RDONLY);
  93         if (fd < 0)
  94                 return EXIT_FAILURE;
  95
  96         for (done = 0;;) {
  97                 int r = read(fd, buf + done, sizeof(buf) - 1 - done);
  98                 if (r == 0)
  99                         break;
 100                 if (r == -EWOULDBLOCK || r == -EAGAIN)
 101                         continue;
 102
 103                 done += r;
 104         }
 105
 106         buf[done] = '\0';
 107
 108         if (!streq(buf, "kmod-test-chroot-works\n"))
 109                 return EXIT_FAILURE;
 110
 111         return EXIT_SUCCESS;
 112 }
 113 DEFINE_TEST(testsuite_rootfs_open,
 114         .description = "test if rootfs works - open()",
 115         .config = {
 116                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-rootfs/",
 117         },
 118         .need_spawn = true);
 119
 120 static int testsuite_rootfs_stat_access(const struct test *t)
 121 {
 122         struct stat st;
 123
 124         if (access("/lib/modules/a", F_OK) < 0) {
 125                 ERR("access failed: %m\n");
 126                 return EXIT_FAILURE;
 127         }
 128
 129         if (stat("/lib/modules/a", &st) < 0) {
 130                 ERR("stat failed: %m\n");
 131                 return EXIT_FAILURE;
 132         }
 133
 134         return EXIT_SUCCESS;
 135 }
 136 DEFINE_TEST(testsuite_rootfs_stat_access,
 137         .description = "test if rootfs works - stat() and access()",
 138         .config = {
 139                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-rootfs/",
 140         },
 141         .need_spawn = true);
 142
 143 static int testsuite_rootfs_opendir(const struct test *t)
 144 {
 145         DIR *d;
 146
 147         d = opendir("/testdir");
 148         if (d == NULL) {
 149                 ERR("opendir failed: %m\n");
 150                 return EXIT_FAILURE;
 151         }
 152
 153         closedir(d);
 154         return EXIT_SUCCESS;
 155 }
 156 DEFINE_TEST(testsuite_rootfs_opendir,
 157         .description = "test if rootfs works - opendir()",
 158         .config = {
 159                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-rootfs/",
 160         },
 161         .need_spawn = true);
 162
 163 TESTSUITE_MAIN();