git.ozlabs.org Git - ccan/blob - ccan/tdb2/test/run-05-readonly-open.c

   1 #include <ccan/failtest/failtest_override.h>
   2 #include "tdb2-source.h"
   3 #include <ccan/tap/tap.h>
   4 #include <ccan/failtest/failtest.h>
   5 #include "logging.h"
   6 #include "failtest_helper.h"
   7
   8 static bool failtest_suppress = false;
   9
  10 /* Don't need to test everything here, just want expand testing. */
  11 static enum failtest_result
  12 suppress_failure(struct failtest_call *history, unsigned num)
  13 {
  14         if (failtest_suppress)
  15                 return FAIL_DONT_FAIL;
  16         return block_repeat_failures(history, num);
  17 }
  18
  19 int main(int argc, char *argv[])
  20 {
  21         unsigned int i;
  22         struct tdb_context *tdb;
  23         int flags[] = { TDB_DEFAULT, TDB_NOMMAP,
  24                         TDB_CONVERT, TDB_NOMMAP|TDB_CONVERT };
  25         struct tdb_data key = tdb_mkdata("key", 3);
  26         struct tdb_data data = tdb_mkdata("data", 4), d;
  27         union tdb_attribute seed_attr;
  28         unsigned int msgs = 0;
  29
  30         failtest_init(argc, argv);
  31         failtest_hook = suppress_failure;
  32         failtest_exit_check = exit_check_log;
  33
  34         seed_attr.base.attr = TDB_ATTRIBUTE_SEED;
  35         seed_attr.base.next = &tap_log_attr;
  36         seed_attr.seed.seed = 0;
  37
  38         failtest_suppress = true;
  39         plan_tests(sizeof(flags) / sizeof(flags[0]) * 11);
  40         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  41                 tdb = tdb_open("run-05-readonly-open.tdb", flags[i],
  42                                O_RDWR|O_CREAT|O_TRUNC, 0600, &seed_attr);
  43                 ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
  44                 tdb_close(tdb);
  45
  46                 failtest_suppress = false;
  47                 tdb = tdb_open("run-05-readonly-open.tdb", flags[i],
  48                                O_RDONLY, 0600, &tap_log_attr);
  49                 if (!ok1(tdb))
  50                         break;
  51                 ok1(tap_log_messages == msgs);
  52                 /* Fetch should succeed, stores should fail. */
  53                 if (!ok1(tdb_fetch(tdb, key, &d) == 0))
  54                         goto fail;
  55                 ok1(tdb_deq(d, data));
  56                 free(d.dptr);
  57                 if (!ok1(tdb_store(tdb, key, data, TDB_MODIFY)
  58                          == TDB_ERR_RDONLY))
  59                         goto fail;
  60                 ok1(tap_log_messages == ++msgs);
  61                 if (!ok1(tdb_store(tdb, key, data, TDB_INSERT)
  62                          == TDB_ERR_RDONLY))
  63                         goto fail;
  64                 ok1(tap_log_messages == ++msgs);
  65                 failtest_suppress = true;
  66                 ok1(tdb_check(tdb, NULL, NULL) == 0);
  67                 tdb_close(tdb);
  68                 ok1(tap_log_messages == msgs);
  69                 /* SIGH: failtest bug, it doesn't save the tdb file because
  70                  * we have it read-only.  If we go around again, it gets
  71                  * changed underneath us and things get screwy. */
  72                 if (failtest_has_failed())
  73                         break;
  74         }
  75         failtest_exit(exit_status());
  76
  77 fail:
  78         failtest_suppress = true;
  79         tdb_close(tdb);
  80         failtest_exit(exit_status());
  81 }