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Annotation of embedaddon/sqlite3/test/walhook.test, revision 1.1.1.1

1.1       misho       1: # 2010 April 19
                      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: # This file implements regression tests for SQLite library.  The
                     12: # focus of this file is testing the operation of the library in
                     13: # "PRAGMA journal_mode=WAL" mode.
                     14: # 
                     15: # More specifically, this file contains regression tests for the 
                     16: # sqlite3_wal_hook() mechanism, including the sqlite3_wal_autocheckpoint()
                     17: # and "PRAGMA wal_autocheckpoint" convenience interfaces.
                     18: #
                     19: 
                     20: set testdir [file dirname $argv0]
                     21: source $testdir/tester.tcl
                     22: source $testdir/wal_common.tcl
                     23: 
                     24: ifcapable !wal {finish_test ; return }
                     25: 
                     26: set ::wal_hook [list]
                     27: proc wal_hook {zDb nEntry} {
                     28:   lappend ::wal_hook $zDb $nEntry
                     29:   return 0
                     30: }
                     31: db wal_hook wal_hook
                     32: 
                     33: do_test walhook-1.1 {
                     34:   execsql { 
                     35:     PRAGMA page_size = 1024;
                     36:     PRAGMA auto_vacuum = 0;
                     37:     PRAGMA journal_mode = wal;
                     38:     PRAGMA synchronous = normal;
                     39:     CREATE TABLE t1(i PRIMARY KEY, j);
                     40:   }
                     41:   set ::wal_hook
                     42: } {main 3}
                     43: 
                     44: do_test walhook-1.2 {
                     45:   set ::wal_hook [list]
                     46:   execsql { INSERT INTO t1 VALUES(1, 'one') }
                     47:   set ::wal_hook
                     48: } {main 5}
                     49: do_test walhook-1.3 {
                     50:   proc wal_hook {args} { db eval {PRAGMA wal_checkpoint}; return 0 }
                     51:   execsql { INSERT INTO t1 VALUES(2, 'two') }
                     52:   file size test.db
                     53: } [expr 3*1024]
                     54: do_test walhook-1.4 {
                     55:   proc wal_hook {zDb nEntry} { 
                     56:     execsql { PRAGMA wal_checkpoint }
                     57:     return 0
                     58:   }
                     59:   execsql { CREATE TABLE t2(a, b) }
                     60:   file size test.db
                     61: } [expr 4*1024]
                     62: 
                     63: do_test walhook-1.5 {
                     64:   sqlite3 db2 test.db
                     65:   proc wal_hook {zDb nEntry} {
                     66:     execsql { PRAGMA wal_checkpoint } db2
                     67:     return 0
                     68:   }
                     69:   execsql { CREATE TABLE t3(a PRIMARY KEY, b) }
                     70:   file size test.db
                     71: } [expr 6*1024]
                     72: 
                     73: db2 close
                     74: db close
                     75: sqlite3 db test.db
                     76: do_test walhook-2.1 {
                     77:   execsql { PRAGMA synchronous = NORMAL }
                     78:   execsql { PRAGMA wal_autocheckpoint }
                     79: } {1000}
                     80: do_test walhook-2.2 {
                     81:   execsql { PRAGMA wal_autocheckpoint = 10}
                     82: } {10}
                     83: do_test walhook-2.3 {
                     84:   execsql { PRAGMA wal_autocheckpoint }
                     85: } {10}
                     86: 
                     87: #
                     88: # The database connection is configured with "PRAGMA wal_autocheckpoint = 10".
                     89: # Check that transactions are written to the log file until it contains at
                     90: # least 10 frames, then the database is checkpointed. Subsequent transactions
                     91: # are written into the start of the log file.
                     92: #
                     93: foreach {tn sql dbpages logpages} {
                     94:   4 "CREATE TABLE t4(x PRIMARY KEY, y)"   6   3
                     95:   5 "INSERT INTO t4 VALUES(1, 'one')"     6   5
                     96:   6 "INSERT INTO t4 VALUES(2, 'two')"     6   7
                     97:   7 "INSERT INTO t4 VALUES(3, 'three')"   6   9
                     98:   8 "INSERT INTO t4 VALUES(4, 'four')"    8  11
                     99:   9 "INSERT INTO t4 VALUES(5, 'five')"    8  11
                    100: } {
                    101:   do_test walhook-2.$tn {
                    102:     execsql $sql
                    103:     list [file size test.db] [file size test.db-wal]
                    104:   } [list [expr $dbpages*1024] [wal_file_size $logpages 1024]]
                    105: }
                    106: 
                    107: catch { db2 close }
                    108: catch { db close }
                    109: finish_test