Annotation of embedaddon/sqlite3/test/ioerr2.test, revision 1.1
1.1 ! misho 1: # 2007 April 2
! 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 for correct handling of I/O errors
! 13: # such as writes failing because the disk is full.
! 14: #
! 15: # The tests in this file use special facilities that are only
! 16: # available in the SQLite test fixture.
! 17: #
! 18: # $Id: ioerr2.test,v 1.12 2009/06/05 17:09:12 drh Exp $
! 19:
! 20: set testdir [file dirname $argv0]
! 21: source $testdir/tester.tcl
! 22:
! 23: ifcapable !integrityck {
! 24: finish_test
! 25: return
! 26: }
! 27:
! 28: do_test ioerr2-1.1 {
! 29: execsql {
! 30: PRAGMA cache_size = 10;
! 31: PRAGMA default_cache_size = 10;
! 32: CREATE TABLE t1(a, b, PRIMARY KEY(a, b));
! 33: INSERT INTO t1 VALUES(randstr(400,400),randstr(400,400));
! 34: INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 2
! 35: INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 4
! 36: INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 8
! 37: INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 16
! 38: INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 32
! 39: }
! 40: } {}
! 41:
! 42: set ::cksum [execsql {SELECT md5sum(a, b) FROM t1}]
! 43: proc check_db {testname} {
! 44:
! 45: # Make sure no I/O errors are simulated in this proc.
! 46: set ::sqlite_io_error_hit 0
! 47: set ::sqlite_io_error_persist 0
! 48: set ::sqlite_io_error_pending 0
! 49:
! 50: # Run an integrity-check. If "disk I/O error" is returned, the
! 51: # pager must be in error state. In this case open a new database
! 52: # connection. Otherwise, try a ROLLBACK, in case a transaction
! 53: # is still active.
! 54: set rc [catch {execsql {PRAGMA integrity_check}} msg]
! 55: if {$rc && ($msg eq "disk I/O error" || $msg eq "database is locked")} {
! 56: db close
! 57: sqlite3 db test.db
! 58: set refcnt 0
! 59: } else {
! 60: if {$rc || $msg ne "ok"} {
! 61: error $msg
! 62: }
! 63: catch {execsql ROLLBACK}
! 64: }
! 65:
! 66: # Check that the database checksum is still $::cksum, and that
! 67: # the integrity-check passes.
! 68: set ck [execsql {SELECT md5sum(a, b) FROM t1}]
! 69: do_test ${testname}.cksum [list set ck $ck] $::cksum
! 70: integrity_check ${testname}.integrity
! 71: do_test ${testname}.refcnt {
! 72: lindex [sqlite3_pager_refcounts db] 0
! 73: } 0
! 74: }
! 75:
! 76: check_db ioerr2-2
! 77:
! 78: set sql {
! 79: PRAGMA cache_size = 10;
! 80: PRAGMA default_cache_size = 10;
! 81: BEGIN;
! 82: DELETE FROM t1 WHERE (oid%7)==0;
! 83: INSERT INTO t1 SELECT randstr(400,400), randstr(400,400)
! 84: WHERE (random()%7)==0;
! 85: UPDATE t1 SET a = randstr(400,400), b = randstr(400,400)
! 86: WHERE (random()%7)==0;
! 87: ROLLBACK;
! 88: }
! 89:
! 90: foreach bPersist [list 0 1] {
! 91: set ::go 1
! 92: for {set ::N 1} {$::go} {incr ::N} {
! 93: db close
! 94: sqlite3 db test.db
! 95: set ::sqlite_io_error_hit 0
! 96: set ::sqlite_io_error_persist $bPersist
! 97: set ::sqlite_io_error_pending $::N
! 98:
! 99: foreach {::go res} [catchsql $sql] {}
! 100: check_db ioerr2-3.$bPersist.$::N
! 101: }
! 102: }
! 103: foreach bPersist [list 0 1] {
! 104: set ::go 1
! 105: for {set ::N 1} {$::go} {incr ::N} {
! 106: set ::sqlite_io_error_hit 0
! 107: set ::sqlite_io_error_persist $bPersist
! 108: set ::sqlite_io_error_pending $::N
! 109:
! 110: foreach {::go res} [catchsql $sql] {}
! 111: check_db ioerr2-4.[expr {$bPersist+2}].$::N
! 112: }
! 113: }
! 114:
! 115: do_test ioerr2-5 {
! 116: execsql {
! 117: CREATE TABLE t2 AS SELECT * FROM t1;
! 118: PRAGMA temp_store = memory;
! 119: }
! 120: set ::sqlite_io_error_persist 0
! 121: set ::go 1
! 122: set rc [catch {
! 123: for {set ::N 2} {$::N<200} {incr ::N} {
! 124: db eval {SELECT * FROM t1 WHERE rowid IN (1, 5, 10, 15, 20)} {
! 125: set ::sqlite_io_error_hit 0
! 126: set ::sqlite_io_error_pending $::N
! 127: set sql {UPDATE t2 SET b = randstr(400,400)}
! 128: foreach {::go res} [catchsql $sql] {}
! 129: }
! 130: }
! 131: } msg]
! 132: list $rc $msg
! 133: } {1 {callback requested query abort}}
! 134:
! 135: if {$::tcl_platform(platform) == "unix"} {
! 136: # Cause the call to xAccess used by [pragma temp_store_directory] to
! 137: # determine if the specified directory is writable to fail. This causes
! 138: # SQLite to report "not a writable directory", which is probably the
! 139: # right answer.
! 140: #
! 141: do_test ioerr2-6 {
! 142: set ::sqlite_io_error_hit 0
! 143: set ::sqlite_io_error_pending 1
! 144: catchsql {PRAGMA temp_store_directory = '/tmp/'}
! 145: } {1 {not a writable directory}}
! 146: }
! 147:
! 148: do_ioerr_test ioerr2-7 -persist 0 -sqlprep {
! 149: PRAGMA cache_size = 10;
! 150: PRAGMA auto_vacuum = 1;
! 151: CREATE TABLE ab(a, b);
! 152: CREATE TABLE de(d, e);
! 153: INSERT INTO ab VALUES(1, randstr(200,200));
! 154: INSERT INTO ab SELECT a+1, randstr(200,200) FROM ab;
! 155: INSERT INTO ab SELECT a+2, randstr(200,200) FROM ab;
! 156: INSERT INTO ab SELECT a+4, randstr(200,200) FROM ab;
! 157: INSERT INTO ab SELECT a+8, randstr(200,200) FROM ab;
! 158: INSERT INTO ab SELECT a+16, randstr(200,200) FROM ab;
! 159: INSERT INTO ab SELECT a+32, randstr(200,200) FROM ab;
! 160: INSERT INTO ab SELECT a+64, randstr(200,200) FROM ab;
! 161: INSERT INTO de SELECT * FROM ab;
! 162: } -sqlbody {
! 163: BEGIN;
! 164: UPDATE ab SET b = randstr(200,200);
! 165: UPDATE de SET e = randstr(200,200) WHERE d = (SELECT max(d) FROM de);
! 166: DELETE FROM ab;
! 167: COMMIT;
! 168: }
! 169:
! 170: finish_test
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