src/test/test-sd-hwdb.c

   1 #include "sd-hwdb.h"
   2
   3 #include "alloc-util.h"
   4 #include "errno-util.h"
   5 #include "errno.h"
   6 #include "tests.h"
   7
   8 static int test_failed_enumerate(void) {
   9         _cleanup_(sd_hwdb_unrefp) sd_hwdb *hwdb = NULL;
  10         const char *key, *value;
  11         int r;
  12
  13         log_info("/* %s */", __func__);
  14
  15         r = sd_hwdb_new(&hwdb);
  16         if (r == -ENOENT || ERRNO_IS_PRIVILEGE(r))
  17                 return r;
  18         assert_se(r == 0);
  19
  20         assert_se(sd_hwdb_seek(hwdb, "no-such-modalias-should-exist") == 0);
  21
  22         assert_se(sd_hwdb_enumerate(hwdb, &key, &value) == 0);
  23         assert_se(sd_hwdb_enumerate(hwdb, &key, NULL) == -EINVAL);
  24         assert_se(sd_hwdb_enumerate(hwdb, NULL, &value) == -EINVAL);
  25
  26         return 0;
  27 }
  28
  29 #define DELL_MODALIAS \
  30         "evdev:atkbd:dmi:bvnXXX:bvrYYY:bdZZZ:svnDellXXX:pnYYY"
  31
  32 static void test_basic_enumerate(void) {
  33         _cleanup_(sd_hwdb_unrefp) sd_hwdb *hwdb = NULL;
  34         const char *key, *value;
  35         size_t len1 = 0, len2 = 0;
  36         int r;
  37
  38         log_info("/* %s */", __func__);
  39
  40         assert_se(sd_hwdb_new(&hwdb) == 0);
  41
  42         assert_se(sd_hwdb_seek(hwdb, DELL_MODALIAS) == 0);
  43
  44         for (;;) {
  45                 r = sd_hwdb_enumerate(hwdb, &key, &value);
  46                 assert(IN_SET(r, 0, 1));
  47                 if (r == 0)
  48                         break;
  49                 assert(key);
  50                 assert(value);
  51                 log_debug("A: \"%s\" → \"%s\"", key, value);
  52                 len1 += strlen(key) + strlen(value);
  53         }
  54
  55         SD_HWDB_FOREACH_PROPERTY(hwdb, DELL_MODALIAS, key, value) {
  56                 log_debug("B: \"%s\" → \"%s\"", key, value);
  57                 len2 += strlen(key) + strlen(value);
  58         }
  59
  60         assert_se(len1 == len2);
  61 }
  62
  63 int main(int argc, char *argv[]) {
  64         int r;
  65
  66         test_setup_logging(LOG_DEBUG);
  67
  68         r = test_failed_enumerate();
  69         if (r < 0)
  70                 return log_tests_skipped_errno(r, "cannot open hwdb");
  71
  72         test_basic_enumerate();
  73
  74         return 0;
  75 }