lib/tdb2/test/run-05-readonly-open.c

   1 #include <ccan/failtest/failtest_override.h>
   2 #include "tdb2-source.h"
   3 #include "tap-interface.h"
   4 #include <ccan/failtest/failtest.h>
   5 #include "logging.h"
   6 #include "failtest_helper.h"
   7
   8 int main(int argc, char *argv[])
   9 {
  10         unsigned int i;
  11         struct tdb_context *tdb;
  12         int flags[] = { TDB_DEFAULT, TDB_NOMMAP,
  13                         TDB_CONVERT, TDB_NOMMAP|TDB_CONVERT };
  14         struct tdb_data key = tdb_mkdata("key", 3);
  15         struct tdb_data data = tdb_mkdata("data", 4), d;
  16         union tdb_attribute seed_attr;
  17         unsigned int msgs = 0;
  18
  19         failtest_init(argc, argv);
  20         failtest_hook = block_repeat_failures;
  21         failtest_exit_check = exit_check_log;
  22
  23         seed_attr.base.attr = TDB_ATTRIBUTE_SEED;
  24         seed_attr.base.next = &tap_log_attr;
  25         seed_attr.seed.seed = 0;
  26
  27         failtest_suppress = true;
  28         plan_tests(sizeof(flags) / sizeof(flags[0]) * 11);
  29         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  30                 tdb = tdb_open("run-05-readonly-open.tdb", flags[i],
  31                                O_RDWR|O_CREAT|O_TRUNC, 0600,
  32                                &seed_attr);
  33                 ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
  34                 tdb_close(tdb);
  35
  36                 failtest_suppress = false;
  37                 tdb = tdb_open("run-05-readonly-open.tdb", flags[i],
  38                                O_RDONLY, 0600, &tap_log_attr);
  39                 if (!ok1(tdb))
  40                         break;
  41                 ok1(tap_log_messages == msgs);
  42                 /* Fetch should succeed, stores should fail. */
  43                 if (!ok1(tdb_fetch(tdb, key, &d) == 0))
  44                         goto fail;
  45                 ok1(tdb_deq(d, data));
  46                 free(d.dptr);
  47                 if (!ok1(tdb_store(tdb, key, data, TDB_MODIFY)
  48                          == TDB_ERR_RDONLY))
  49                         goto fail;
  50                 ok1(tap_log_messages == ++msgs);
  51                 if (!ok1(tdb_store(tdb, key, data, TDB_INSERT)
  52                          == TDB_ERR_RDONLY))
  53                         goto fail;
  54                 ok1(tap_log_messages == ++msgs);
  55                 failtest_suppress = true;
  56                 ok1(tdb_check(tdb, NULL, NULL) == 0);
  57                 tdb_close(tdb);
  58                 ok1(tap_log_messages == msgs);
  59                 /* SIGH: failtest bug, it doesn't save the tdb file because
  60                  * we have it read-only.  If we go around again, it gets
  61                  * changed underneath us and things get screwy. */
  62                 if (failtest_has_failed())
  63                         break;
  64         }
  65         failtest_exit(exit_status());
  66
  67 fail:
  68         failtest_suppress = true;
  69         tdb_close(tdb);
  70         failtest_exit(exit_status());
  71 }