ext/rbu/rbu_common.tcl

   1 # 2015 Aug 8
   2 #
   3 # The author disclaims copyright to this source code.  In place of
   4 # a legal notice, here is a blessing:
   5 #
   6 #    May you do good and not evil.
   7 #    May you find forgiveness for yourself and forgive others.
   8 #    May you share freely, never taking more than you give.
   9 #
  10 #***********************************************************************
  11 #
  12
  13 if {![info exists testdir]} {
  14   set testdir [file join [file dirname [info script]] .. .. test]
  15 }
  16 source $testdir/tester.tcl
  17
  18 proc check_prestep_state {target state} {
  19   set oal_exists [file exists $target-oal]
  20   set wal_exists [file exists $target-wal]
  21   set progress [rbu progress]
  22
  23   if {($progress==0 && $state!="oal" && $state!="done")
  24    || ($oal_exists && $wal_exists)
  25    || ($progress>0 && $state=="oal" && (!$oal_exists || $wal_exists))
  26    || ($state=="move" && (!$oal_exists || $wal_exists))
  27    || ($state=="checkpoint" && ($oal_exists || !$wal_exists))
  28    || ($state=="done" && ($oal_exists && $progress!=0))
  29   } {
  30     error "B: state=$state progress=$progress oal=$oal_exists wal=$wal_exists"
  31   }
  32 }
  33
  34 proc check_poststep_state {rc target state} {
  35   if {$rc=="SQLITE_OK" || $rc=="SQLITE_DONE"} {
  36     set oal_exists [file exists $target-oal]
  37     set wal_exists [file exists $target-wal]
  38     if {$state=="move" && ($oal_exists || !$wal_exists)} {
  39       error "A: state=$state progress=$progress oal=$oal_exists wal=$wal_exists"
  40     }
  41   }
  42 }
  43
  44 # Run the RBU in file $rbu on target database $target until completion.
  45 #
  46 proc run_rbu {target rbu} {
  47   sqlite3rbu rbu $target $rbu
  48   while 1 {
  49     set state [rbu state]
  50
  51     check_prestep_state $target $state
  52     set rc [rbu step]
  53     check_poststep_state $rc $target $state
  54
  55     if {$rc!="SQLITE_OK"} break
  56   }
  57   rbu close
  58 }
  59
  60 proc step_rbu {target rbu} {
  61   while 1 {
  62     sqlite3rbu rbu $target $rbu
  63     set state [rbu state]
  64     check_prestep_state $target $state
  65     set rc [rbu step]
  66     check_poststep_state $rc $target $state
  67     rbu close
  68     if {$rc != "SQLITE_OK"} break
  69   }
  70   set rc
  71 }
  72
  73 proc do_rbu_vacuum_test {tn step} {
  74   uplevel [list do_test $tn.1 {
  75     if {$step==0} { sqlite3rbu_vacuum rbu test.db state.db }
  76     while 1 {
  77       if {$step==1} { sqlite3rbu_vacuum rbu test.db state.db }
  78       set state [rbu state]
  79       check_prestep_state test.db $state
  80       set rc [rbu step]
  81       check_poststep_state $rc test.db $state
  82       if {$rc!="SQLITE_OK"} break
  83       if {$step==1} { rbu close }
  84     }
  85     rbu close
  86   } {SQLITE_DONE}]
  87
  88   uplevel [list do_execsql_test $tn.2 {
  89     PRAGMA integrity_check
  90   } ok]
  91 }
  92