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                         TDB_VERSION1, TDB_NOMMAP|TDB_VERSION1,
  26                         TDB_CONVERT|TDB_VERSION1,
  27                         TDB_NOMMAP|TDB_CONVERT|TDB_VERSION1 };
  28         struct tdb_data key = tdb_mkdata("key", 3);
  29         struct tdb_data data = tdb_mkdata("data", 4), d;
  30         union tdb_attribute seed_attr;
  31         unsigned int msgs = 0;
  32
  33         failtest_init(argc, argv);
  34         failtest_hook = suppress_failure;
  35         failtest_exit_check = exit_check_log;
  36
  37         seed_attr.base.attr = TDB_ATTRIBUTE_SEED;
  38         seed_attr.base.next = &tap_log_attr;
  39         seed_attr.seed.seed = 0;
  40
  41         failtest_suppress = true;
  42         plan_tests(sizeof(flags) / sizeof(flags[0]) * 11);
  43         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  44                 tdb = tdb_open("run-05-readonly-open.tdb", flags[i],
  45                                O_RDWR|O_CREAT|O_TRUNC, 0600,
  46                                flags[i] & TDB_VERSION1
  47                                ? &tap_log_attr : &seed_attr);
  48                 ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
  49                 tdb_close(tdb);
  50
  51                 failtest_suppress = false;
  52                 tdb = tdb_open("run-05-readonly-open.tdb", flags[i],
  53                                O_RDONLY, 0600, &tap_log_attr);
  54                 if (!ok1(tdb))
  55                         break;
  56                 ok1(tap_log_messages == msgs);
  57                 /* Fetch should succeed, stores should fail. */
  58                 if (!ok1(tdb_fetch(tdb, key, &d) == 0))
  59                         goto fail;
  60                 ok1(tdb_deq(d, data));
  61                 free(d.dptr);
  62                 if (!ok1(tdb_store(tdb, key, data, TDB_MODIFY)
  63                          == TDB_ERR_RDONLY))
  64                         goto fail;
  65                 ok1(tap_log_messages == ++msgs);
  66                 if (!ok1(tdb_store(tdb, key, data, TDB_INSERT)
  67                          == TDB_ERR_RDONLY))
  68                         goto fail;
  69                 ok1(tap_log_messages == ++msgs);
  70                 failtest_suppress = true;
  71                 ok1(tdb_check(tdb, NULL, NULL) == 0);
  72                 tdb_close(tdb);
  73                 ok1(tap_log_messages == msgs);
  74                 /* SIGH: failtest bug, it doesn't save the tdb file because
  75                  * we have it read-only.  If we go around again, it gets
  76                  * changed underneath us and things get screwy. */
  77                 if (failtest_has_failed())
  78                         break;
  79         }
  80         failtest_exit(exit_status());
  81
  82 fail:
  83         failtest_suppress = true;
  84         tdb_close(tdb);
  85         failtest_exit(exit_status());
  86 }