src/test/test-sd-hwdb.c

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