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297 lines
9.1 KiB
Plaintext
297 lines
9.1 KiB
Plaintext
# 2010 February 8
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library. The
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# focus of this file is testing the operation of the library when
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# recovering a database following a simulated system failure in
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# "PRAGMA journal_mode=WAL" mode.
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#
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#
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# These are 'warm-body' tests of database recovery used while developing
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# the WAL code. They serve to prove that a few really simple cases work:
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#
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# walcrash-1.*: Recover a database.
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# walcrash-2.*: Recover a database where the failed transaction spanned more
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# than one page.
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# walcrash-3.*: Recover multiple databases where the failed transaction
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# was a multi-file transaction.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !wal {finish_test ; return }
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db close
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set seed 0
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set REPEATS 100
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# walcrash-1.*
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#
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for {set i 1} {$i < $REPEATS} {incr i} {
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forcedelete test.db test.db-wal
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do_test walcrash-1.$i.1 {
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crashsql -delay 4 -file test.db-wal -seed [incr seed] {
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PRAGMA journal_mode = WAL;
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CREATE TABLE t1(a, b);
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INSERT INTO t1 VALUES(1, 1);
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INSERT INTO t1 VALUES(2, 3);
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INSERT INTO t1 VALUES(3, 6);
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}
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} {1 {child process exited abnormally}}
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do_test walcrash-1.$i.2 {
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sqlite3 db test.db
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execsql { SELECT sum(a)==max(b) FROM t1 }
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} {1}
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integrity_check walcrash-1.$i.3
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db close
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do_test walcrash-1.$i.4 {
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crashsql -delay 2 -file test.db-wal -seed [incr seed] {
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INSERT INTO t1 VALUES(4, (SELECT sum(a) FROM t1) + 4);
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INSERT INTO t1 VALUES(5, (SELECT sum(a) FROM t1) + 5);
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}
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} {1 {child process exited abnormally}}
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do_test walcrash-1.$i.5 {
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sqlite3 db test.db
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execsql { SELECT sum(a)==max(b) FROM t1 }
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} {1}
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integrity_check walcrash-1.$i.6
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do_test walcrash-1.$i.7 {
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execsql { PRAGMA main.journal_mode }
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} {wal}
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db close
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}
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# walcrash-2.*
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#
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for {set i 1} {$i < $REPEATS} {incr i} {
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forcedelete test.db test.db-wal
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do_test walcrash-2.$i.1 {
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crashsql -delay 5 -file test.db-wal -seed [incr seed] {
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PRAGMA journal_mode = WAL;
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CREATE TABLE t1(a PRIMARY KEY, b);
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INSERT INTO t1 VALUES(1, 2);
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INSERT INTO t1 VALUES(3, 4);
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INSERT INTO t1 VALUES(5, 9);
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}
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} {1 {child process exited abnormally}}
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do_test walcrash-2.$i.2 {
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sqlite3 db test.db
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execsql { SELECT sum(a)==max(b) FROM t1 }
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} {1}
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integrity_check walcrash-2.$i.3
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db close
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do_test walcrash-2.$i.4 {
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crashsql -delay 2 -file test.db-wal -seed [incr seed] {
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INSERT INTO t1 VALUES(6, (SELECT sum(a) FROM t1) + 6);
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INSERT INTO t1 VALUES(7, (SELECT sum(a) FROM t1) + 7);
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}
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} {1 {child process exited abnormally}}
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do_test walcrash-2.$i.5 {
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sqlite3 db test.db
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execsql { SELECT sum(a)==max(b) FROM t1 }
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} {1}
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integrity_check walcrash-2.$i.6
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do_test walcrash-2.$i.6 {
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execsql { PRAGMA main.journal_mode }
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} {wal}
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db close
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}
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# walcrash-3.*
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#
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# for {set i 1} {$i < $REPEATS} {incr i} {
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# forcedelete test.db test.db-wal
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# forcedelete test2.db test2.db-wal
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#
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# do_test walcrash-3.$i.1 {
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# crashsql -delay 2 -file test2.db-wal -seed [incr seed] {
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# PRAGMA journal_mode = WAL;
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# ATTACH 'test2.db' AS aux;
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# CREATE TABLE t1(a PRIMARY KEY, b);
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# CREATE TABLE aux.t2(a PRIMARY KEY, b);
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# BEGIN;
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# INSERT INTO t1 VALUES(1, 2);
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# INSERT INTO t2 VALUES(1, 2);
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# COMMIT;
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# }
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# } {1 {child process exited abnormally}}
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#
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# do_test walcrash-3.$i.2 {
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# sqlite3_wal db test.db
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# execsql {
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# ATTACH 'test2.db' AS aux;
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# SELECT * FROM t1 EXCEPT SELECT * FROM t2;
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# }
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# } {}
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# do_test walcrash-3.$i.3 { execsql { PRAGMA main.integrity_check } } {ok}
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# do_test walcrash-3.$i.4 { execsql { PRAGMA aux.integrity_check } } {ok}
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#
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# db close
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# }
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# walcrash-4.*
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#
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for {set i 1} {$i < $REPEATS} {incr i} {
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forcedelete test.db test.db-wal
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forcedelete test2.db test2.db-wal
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do_test walcrash-4.$i.1 {
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crashsql -delay 4 -file test.db-wal -seed [incr seed] -blocksize 4096 {
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PRAGMA journal_mode = WAL;
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PRAGMA page_size = 1024;
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CREATE TABLE t1(a PRIMARY KEY, b);
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INSERT INTO t1 VALUES(1, 2);
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INSERT INTO t1 VALUES(3, 4);
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}
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} {1 {child process exited abnormally}}
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do_test walcrash-4.$i.2 {
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sqlite3 db test.db
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execsql {
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SELECT * FROM t1 WHERE a = 1;
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}
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} {1 2}
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do_test walcrash-4.$i.3 { execsql { PRAGMA main.integrity_check } } {ok}
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do_test walcrash-4.$i.4 { execsql { PRAGMA main.journal_mode } } {wal}
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db close
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}
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# walcrash-5.*
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#
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for {set i 1} {$i < $REPEATS} {incr i} {
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forcedelete test.db test.db-wal
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forcedelete test2.db test2.db-wal
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do_test walcrash-5.$i.1 {
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crashsql -delay 13 -file test.db-wal -seed [incr seed] -blocksize 4096 {
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PRAGMA journal_mode = WAL;
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PRAGMA page_size = 1024;
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BEGIN;
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CREATE TABLE t1(x PRIMARY KEY);
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INSERT INTO t1 VALUES(randomblob(900));
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INSERT INTO t1 VALUES(randomblob(900));
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INSERT INTO t1 SELECT randomblob(900) FROM t1; /* 4 */
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COMMIT;
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INSERT INTO t1 SELECT randomblob(900) FROM t1 LIMIT 4; /* 8 */
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INSERT INTO t1 SELECT randomblob(900) FROM t1 LIMIT 4; /* 12 */
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INSERT INTO t1 SELECT randomblob(900) FROM t1 LIMIT 4; /* 16 */
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INSERT INTO t1 SELECT randomblob(900) FROM t1 LIMIT 4; /* 20 */
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INSERT INTO t1 SELECT randomblob(900) FROM t1 LIMIT 4; /* 24 */
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INSERT INTO t1 SELECT randomblob(900) FROM t1 LIMIT 4; /* 28 */
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INSERT INTO t1 SELECT randomblob(900) FROM t1 LIMIT 4; /* 32 */
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PRAGMA wal_checkpoint;
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INSERT INTO t1 VALUES(randomblob(900));
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INSERT INTO t1 VALUES(randomblob(900));
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INSERT INTO t1 VALUES(randomblob(900));
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}
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} {1 {child process exited abnormally}}
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do_test walcrash-5.$i.2 {
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sqlite3 db test.db
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execsql { SELECT count(*)==33 OR count(*)==34 FROM t1 WHERE x != 1 }
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} {1}
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do_test walcrash-5.$i.3 { execsql { PRAGMA main.integrity_check } } {ok}
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do_test walcrash-5.$i.4 { execsql { PRAGMA main.journal_mode } } {wal}
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db close
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}
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# walcrash-6.*
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#
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for {set i 1} {$i < $REPEATS} {incr i} {
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forcedelete test.db test.db-wal
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forcedelete test2.db test2.db-wal
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do_test walcrash-6.$i.1 {
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crashsql -delay 14 -file test.db-wal -seed [incr seed] -blocksize 512 {
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PRAGMA journal_mode = WAL;
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PRAGMA page_size = 1024;
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BEGIN;
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CREATE TABLE t1(x PRIMARY KEY);
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INSERT INTO t1 VALUES(randomblob(900));
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INSERT INTO t1 VALUES(randomblob(900));
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INSERT INTO t1 SELECT randomblob(900) FROM t1; /* 4 */
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COMMIT;
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INSERT INTO t1 SELECT randomblob(900) FROM t1 LIMIT 4; /* 8 */
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INSERT INTO t1 SELECT randomblob(900) FROM t1 LIMIT 4; /* 12 */
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INSERT INTO t1 SELECT randomblob(900) FROM t1 LIMIT 4; /* 16 */
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INSERT INTO t1 SELECT randomblob(900) FROM t1 LIMIT 4; /* 20 */
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INSERT INTO t1 SELECT randomblob(900) FROM t1 LIMIT 4; /* 24 */
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INSERT INTO t1 SELECT randomblob(900) FROM t1 LIMIT 4; /* 28 */
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INSERT INTO t1 SELECT randomblob(900) FROM t1 LIMIT 4; /* 32 */
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PRAGMA wal_checkpoint;
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INSERT INTO t1 VALUES(randomblob(9000));
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INSERT INTO t1 VALUES(randomblob(9000));
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INSERT INTO t1 VALUES(randomblob(9000));
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INSERT INTO t1 VALUES(randomblob(9000));
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}
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} {1 {child process exited abnormally}}
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do_test walcrash-6.$i.2 {
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sqlite3 db test.db
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execsql { SELECT count(*) BETWEEN 34 AND 36 FROM t1 WHERE x != 1 }
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} {1}
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do_test walcrash-6.$i.3 { execsql { PRAGMA main.integrity_check } } {ok}
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do_test walcrash-6.$i.4 { execsql { PRAGMA main.journal_mode } } {wal}
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db close
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}
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#-------------------------------------------------------------------------
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# This test case simulates a crash while checkpointing the database. Page
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# 1 is one of the pages overwritten by the checkpoint. This is a special
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# case because it means the content of page 1 may be damaged. SQLite will
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# have to determine:
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#
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# (a) that the database is a WAL database, and
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# (b) the database page-size
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#
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# based on the log file.
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#
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for {set i 1} {$i < $REPEATS} {incr i} {
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forcedelete test.db test.db-wal
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# Select a page-size for this test.
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#
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set pgsz [lindex {512 1024 2048 4096 8192 16384} [expr $i%6]]
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do_test walcrash-7.$i.1 {
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crashsql -delay 3 -file test.db -seed [incr seed] -blocksize 512 "
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PRAGMA page_size = $pgsz;
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PRAGMA journal_mode = wal;
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BEGIN;
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CREATE TABLE t1(a, b);
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INSERT INTO t1 VALUES(1, 2);
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COMMIT;
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PRAGMA wal_checkpoint;
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CREATE INDEX i1 ON t1(a);
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PRAGMA wal_checkpoint;
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"
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} {1 {child process exited abnormally}}
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do_test walcrash-7.$i.2 {
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sqlite3 db test.db
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execsql { SELECT b FROM t1 WHERE a = 1 }
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} {2}
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do_test walcrash-7.$i.3 { execsql { PRAGMA main.integrity_check } } {ok}
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do_test walcrash-7.$i.4 { execsql { PRAGMA main.journal_mode } } {wal}
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db close
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}
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finish_test
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