tests/lockfile.at

   1 AT_BANNER([lockfile unit tests])
   2
   3 m4_define([CHECK_LOCKFILE],
   4   [AT_SETUP([m4_translit([$1], [_], [ ])])
   5    AT_KEYWORDS([lockfile])
   6    AT_CHECK([test-lockfile $1], [0], [$1: success (m4_if(
   7      [$2], [1], [$2 child], [$2 children]))
   8 ], [stderr])
   9    AT_CHECK([sed 's/pid [[0-9]]*/pid <pid>/' stderr], [0], [$3])
  10    AT_CLEANUP])
  11
  12 CHECK_LOCKFILE([lock_and_unlock], [0])
  13
  14 CHECK_LOCKFILE([lock_and_unlock_twice], [0])
  15
  16 CHECK_LOCKFILE([lock_blocks_same_process], [0],
  17   [lockfile|WARN|.file.~lock~: failed to lock file: Resource deadlock avoided
  18 ])
  19
  20 CHECK_LOCKFILE([lock_blocks_same_process_twice], [0],
  21   [lockfile|WARN|.file.~lock~: failed to lock file: Resource deadlock avoided
  22 lockfile|WARN|.file.~lock~: failed to lock file: Resource deadlock avoided
  23 ])
  24
  25 CHECK_LOCKFILE([lock_blocks_other_process], [1],
  26   [lockfile|WARN|.file.~lock~: child does not inherit lock
  27 lockfile|WARN|.file.~lock~: cannot lock file because it is already locked by pid <pid>
  28 ])
  29
  30 CHECK_LOCKFILE([lock_twice_blocks_other_process], [1],
  31   [lockfile|WARN|.file.~lock~: failed to lock file: Resource deadlock avoided
  32 lockfile|WARN|.file.~lock~: child does not inherit lock
  33 lockfile|WARN|.file.~lock~: cannot lock file because it is already locked by pid <pid>
  34 ])
  35
  36 CHECK_LOCKFILE([lock_and_unlock_allows_other_process], [1])
  37
  38 CHECK_LOCKFILE([lock_multiple], [0],
  39   [lockfile|WARN|.a.~lock~: failed to lock file: Resource deadlock avoided
  40 ])
  41
  42 CHECK_LOCKFILE([lock_symlink], [0],
  43   [lockfile|WARN|.a.~lock~: failed to lock file: Resource deadlock avoided
  44 lockfile|WARN|.b.~lock~: failed to lock file: Resource deadlock avoided
  45 lockfile|WARN|.b.~lock~: failed to lock file: Resource deadlock avoided
  46 lockfile|WARN|.a.~lock~: failed to lock file: Resource deadlock avoided
  47 ])
  48
  49 CHECK_LOCKFILE([lock_symlink_to_dir], [0],
  50   [lockfile|WARN|dir/.b.~lock~: failed to lock file: Resource deadlock avoided
  51 ])