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

   1 #include <ccan/failtest/failtest_override.h>
   2 #include <ccan/tdb2/tdb.c>
   3 #include <ccan/tdb2/open.c>
   4 #include <ccan/tdb2/free.c>
   5 #include <ccan/tdb2/lock.c>
   6 #include <ccan/tdb2/io.c>
   7 #include <ccan/tdb2/hash.c>
   8 #include <ccan/tdb2/transaction.c>
   9 #include <ccan/tdb2/check.c>
  10 #include <ccan/tap/tap.h>
  11 #include <ccan/failtest/failtest.h>
  12 #include "logging.h"
  13 #include "failtest_helper.h"
  14
  15 static bool failtest_suppress = false;
  16
  17 /* Don't need to test everything here, just want expand testing. */
  18 static enum failtest_result
  19 suppress_failure(struct failtest_call *history, unsigned num)
  20 {
  21         if (failtest_suppress)
  22                 return FAIL_DONT_FAIL;
  23         return block_repeat_failures(history, num);
  24 }
  25
  26 int main(int argc, char *argv[])
  27 {
  28         unsigned int i;
  29         struct tdb_context *tdb;
  30         int flags[] = { TDB_DEFAULT, TDB_NOMMAP,
  31                         TDB_CONVERT, TDB_NOMMAP|TDB_CONVERT };
  32         struct tdb_data key = tdb_mkdata("key", 3);
  33         struct tdb_data data = tdb_mkdata("data", 4), d;
  34         union tdb_attribute seed_attr;
  35         unsigned int msgs = 0;
  36
  37         failtest_init(argc, argv);
  38         failtest_hook = suppress_failure;
  39         failtest_exit_check = exit_check_log;
  40
  41         seed_attr.base.attr = TDB_ATTRIBUTE_SEED;
  42         seed_attr.base.next = &tap_log_attr;
  43         seed_attr.seed.seed = 0;
  44
  45         failtest_suppress = true;
  46         plan_tests(sizeof(flags) / sizeof(flags[0]) * 11);
  47         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  48                 tdb = tdb_open("run-05-readonly-open.tdb", flags[i],
  49                                O_RDWR|O_CREAT|O_TRUNC, 0600, &seed_attr);
  50                 ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
  51                 tdb_close(tdb);
  52
  53                 failtest_suppress = false;
  54                 tdb = tdb_open("run-05-readonly-open.tdb", flags[i],
  55                                O_RDONLY, 0600, &tap_log_attr);
  56                 if (!ok1(tdb))
  57                         break;
  58                 ok1(tap_log_messages == msgs);
  59                 /* Fetch should succeed, stores should fail. */
  60                 if (!ok1(tdb_fetch(tdb, key, &d) == 0))
  61                         goto fail;
  62                 ok1(tdb_deq(d, data));
  63                 free(d.dptr);
  64                 if (!ok1(tdb_store(tdb, key, data, TDB_MODIFY)
  65                          == TDB_ERR_RDONLY))
  66                         goto fail;
  67                 ok1(tap_log_messages == ++msgs);
  68                 if (!ok1(tdb_store(tdb, key, data, TDB_INSERT)
  69                          == TDB_ERR_RDONLY))
  70                         goto fail;
  71                 ok1(tap_log_messages == ++msgs);
  72                 failtest_suppress = true;
  73                 ok1(tdb_check(tdb, NULL, NULL) == 0);
  74                 tdb_close(tdb);
  75                 ok1(tap_log_messages == msgs);
  76                 /* SIGH: failtest bug, it doesn't save the tdb file because
  77                  * we have it read-only.  If we go around again, it gets
  78                  * changed underneath us and things get screwy. */
  79                 if (failtest_has_failed())
  80                         break;
  81         }
  82         failtest_exit(exit_status());
  83
  84 fail:
  85         failtest_suppress = true;
  86         tdb_close(tdb);
  87         failtest_exit(exit_status());
  88 }