552 lines
17 KiB
Plaintext
552 lines
17 KiB
Plaintext
# 2010 May 03
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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 in
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# "PRAGMA journal_mode=WAL" mode.
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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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source $testdir/malloc_common.tcl
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source $testdir/lock_common.tcl
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ifcapable !wal {finish_test ; return }
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#-------------------------------------------------------------------------
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# This test case, walfault-1-*, simulates faults while executing a
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#
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# PRAGMA journal_mode = WAL;
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#
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# statement immediately after creating a new database.
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#
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do_test walfault-1-pre-1 {
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faultsim_delete_and_reopen
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faultsim_save_and_close
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} {}
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do_faultsim_test walfault-1 -prep {
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faultsim_restore_and_reopen
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} -body {
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db eval { PRAGMA main.journal_mode = WAL }
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} -test {
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faultsim_test_result {0 wal}
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# Test that the connection that encountered an error as part of
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# "PRAGMA journal_mode = WAL" and a new connection use the same
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# journal mode when accessing the database.
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#
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# If "PRAGMA journal_mode" is executed immediately, connection [db] (the
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# one that hit the error in journal_mode="WAL") might return "wal" even
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# if it failed to switch the database to WAL mode. This is not considered
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# a problem. When it tries to read the database, connection [db] correctly
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# recognizes that it is a rollback database and switches back to a
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# rollback compatible journal mode.
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#
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if {[permutation] != "inmemory_journal"} {
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set jm [db one {SELECT * FROM sqlite_master ; PRAGMA main.journal_mode}]
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sqlite3 db2 test.db
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set jm2 [db2 one {SELECT * FROM sqlite_master ; PRAGMA main.journal_mode}]
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db2 close
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if { $jm!=$jm2 } { error "Journal modes do not match: $jm $jm2" }
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if { $testrc==0 && $jm!="wal" } { error "Journal mode is not WAL" }
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}
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}
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#--------------------------------------------------------------------------
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# Test case walfault-2-* tests fault injection during recovery of a
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# short WAL file (a dozen frames or thereabouts).
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#
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do_test walfault-2-pre-1 {
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sqlite3 db test.db
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execsql {
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PRAGMA journal_mode = WAL;
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BEGIN;
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CREATE TABLE x(y, z, UNIQUE(y, z));
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INSERT INTO x VALUES(randomblob(100), randomblob(100));
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COMMIT;
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PRAGMA wal_checkpoint;
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INSERT INTO x SELECT randomblob(100), randomblob(100) FROM x;
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INSERT INTO x SELECT randomblob(100), randomblob(100) FROM x;
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INSERT INTO x SELECT randomblob(100), randomblob(100) FROM x;
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}
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execsql {
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SELECT count(*) FROM x
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}
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} {8}
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do_test walfault-2-pre-2 {
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faultsim_save_and_close
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faultsim_restore_and_reopen
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execsql { SELECT count(*) FROM x }
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} {8}
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do_faultsim_test walfault-2 -prep {
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faultsim_restore_and_reopen
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} -body {
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execsql { SELECT count(*) FROM x }
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} -test {
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faultsim_test_result {0 8}
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faultsim_integrity_check
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}
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#--------------------------------------------------------------------------
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# Test fault injection while writing and checkpointing a small WAL file.
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#
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do_test walfault-3-pre-1 {
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sqlite3 db test.db
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execsql {
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PRAGMA auto_vacuum = 1;
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PRAGMA journal_mode = WAL;
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CREATE TABLE abc(a PRIMARY KEY);
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INSERT INTO abc VALUES(randomblob(1500));
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}
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db close
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faultsim_save_and_close
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} {}
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do_faultsim_test walfault-3 -prep {
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faultsim_restore_and_reopen
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} -body {
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db eval {
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DELETE FROM abc;
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PRAGMA wal_checkpoint;
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}
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set {} {}
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} -test {
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faultsim_test_result {0 {}}
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}
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#--------------------------------------------------------------------------
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#
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if {[permutation] != "inmemory_journal"} {
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faultsim_delete_and_reopen
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faultsim_save_and_close
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do_faultsim_test walfault-4 -prep {
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faultsim_restore_and_reopen
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} -body {
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execsql {
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PRAGMA auto_vacuum = 0;
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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('a', 'b');
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PRAGMA wal_checkpoint;
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SELECT * FROM t1;
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}
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} -test {
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faultsim_test_result {0 {wal 0 7 7 a b}}
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faultsim_integrity_check
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}
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}
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#--------------------------------------------------------------------------
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#
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do_test walfault-5-pre-1 {
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faultsim_delete_and_reopen
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execsql {
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PRAGMA page_size = 512;
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PRAGMA journal_mode = WAL;
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}
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faultsim_save_and_close
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} {}
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do_faultsim_test walfault-5 -faults shmerr* -prep {
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faultsim_restore_and_reopen
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execsql { PRAGMA wal_autocheckpoint = 0 }
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shmfault filter xShmMap
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} -body {
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execsql {
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CREATE TABLE t1(x);
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BEGIN;
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INSERT INTO t1 VALUES(randomblob(400)); /* 1 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 2 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 4 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 8 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 16 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 32 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 64 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 128 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 256 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 512 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 1024 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 2048 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 4096 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 8192 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 16384 */
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COMMIT;
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SELECT count(*) FROM t1;
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}
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} -test {
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faultsim_test_result {0 16384}
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faultsim_integrity_check
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}
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#--------------------------------------------------------------------------
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#
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do_test walfault-6-pre-1 {
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faultsim_delete_and_reopen
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execsql {
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PRAGMA page_size = 512;
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PRAGMA journal_mode = WAL;
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PRAGMA wal_autocheckpoint = 0;
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CREATE TABLE t1(x);
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BEGIN;
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INSERT INTO t1 VALUES(randomblob(400)); /* 1 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 2 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 4 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 8 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 16 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 32 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 64 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 128 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 256 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 512 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 1024 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 2048 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 4096 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 8192 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 16384 */
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COMMIT;
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}
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faultsim_save_and_close
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} {}
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do_faultsim_test walfault-6 -faults shmerr* -prep {
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faultsim_restore_and_reopen
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shmfault filter xShmMap
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} -body {
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execsql { SELECT count(*) FROM t1 }
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} -test {
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faultsim_test_result {0 16384}
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faultsim_integrity_check
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set n [db one {SELECT count(*) FROM t1}]
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if {$n != 16384 && $n != 0} { error "Incorrect number of rows: $n" }
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}
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#--------------------------------------------------------------------------
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#
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do_test walfault-7-pre-1 {
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faultsim_delete_and_reopen
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execsql {
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PRAGMA page_size = 512;
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PRAGMA journal_mode = WAL;
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PRAGMA wal_autocheckpoint = 0;
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CREATE TABLE t1(x);
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BEGIN;
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INSERT INTO t1 VALUES(randomblob(400)); /* 1 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 2 */
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INSERT INTO t1 SELECT randomblob(400) FROM t1; /* 4 */
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COMMIT;
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}
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faultsim_save_and_close
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} {}
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do_faultsim_test walfault-7 -prep {
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faultsim_restore_and_reopen
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} -body {
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execsql { SELECT count(*) FROM t1 }
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} -test {
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faultsim_test_result {0 4}
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set n [db one {SELECT count(*) FROM t1}]
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if {$n != 4 && $n != 0} { error "Incorrect number of rows: $n" }
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}
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#--------------------------------------------------------------------------
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#
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do_test walfault-8-pre-1 {
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faultsim_delete_and_reopen
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execsql {
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PRAGMA journal_mode = WAL;
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CREATE TABLE abc(a PRIMARY KEY);
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INSERT INTO abc VALUES(randomblob(900));
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}
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faultsim_save_and_close
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} {}
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do_faultsim_test walfault-8 -prep {
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faultsim_restore_and_reopen
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execsql { PRAGMA cache_size = 10 }
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} -body {
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execsql {
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BEGIN;
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INSERT INTO abc SELECT randomblob(900) FROM abc; /* 1 */
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--INSERT INTO abc SELECT randomblob(900) FROM abc; /* 2 */
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--INSERT INTO abc SELECT randomblob(900) FROM abc; /* 4 */
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--INSERT INTO abc SELECT randomblob(900) FROM abc; /* 8 */
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ROLLBACK;
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SELECT count(*) FROM abc;
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}
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} -test {
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faultsim_test_result {0 1}
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faultsim_integrity_check
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catch { db eval ROLLBACK }
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faultsim_integrity_check
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set n [db one {SELECT count(*) FROM abc}]
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if {$n != 1} { error "Incorrect number of rows: $n" }
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}
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#--------------------------------------------------------------------------
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#
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do_test walfault-9-pre-1 {
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faultsim_delete_and_reopen
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execsql {
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PRAGMA journal_mode = WAL;
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CREATE TABLE abc(a PRIMARY KEY);
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INSERT INTO abc VALUES(randomblob(900));
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}
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faultsim_save_and_close
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} {}
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do_faultsim_test walfault-9 -prep {
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#if {$iFail<73} { set iFail 73 }
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#if {$iFail>73} { exit }
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faultsim_restore_and_reopen
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execsql { PRAGMA cache_size = 10 }
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} -body {
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execsql {
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BEGIN;
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INSERT INTO abc SELECT randomblob(900) FROM abc; /* 1 */
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SAVEPOINT spoint;
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INSERT INTO abc SELECT randomblob(900) FROM abc; /* 2 */
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INSERT INTO abc SELECT randomblob(900) FROM abc; /* 4 */
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INSERT INTO abc SELECT randomblob(900) FROM abc; /* 8 */
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ROLLBACK TO spoint;
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COMMIT;
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SELECT count(*) FROM abc;
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}
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} -test {
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faultsim_test_result {0 2}
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faultsim_integrity_check
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catch { db eval { ROLLBACK TO spoint } }
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catch { db eval { COMMIT } }
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set n [db one {SELECT count(*) FROM abc}]
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if {$n != 1 && $n != 2} { error "Incorrect number of rows: $n" }
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}
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do_test walfault-10-pre1 {
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faultsim_delete_and_reopen
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execsql {
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PRAGMA journal_mode = WAL;
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PRAGMA wal_autocheckpoint = 0;
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CREATE TABLE z(zz INTEGER PRIMARY KEY, zzz BLOB);
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CREATE INDEX zzzz ON z(zzz);
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INSERT INTO z VALUES(NULL, randomblob(800));
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INSERT INTO z VALUES(NULL, randomblob(800));
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INSERT INTO z SELECT NULL, randomblob(800) FROM z;
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INSERT INTO z SELECT NULL, randomblob(800) FROM z;
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INSERT INTO z SELECT NULL, randomblob(800) FROM z;
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INSERT INTO z SELECT NULL, randomblob(800) FROM z;
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INSERT INTO z SELECT NULL, randomblob(800) FROM z;
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}
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faultsim_save_and_close
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} {}
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do_faultsim_test walfault-10 -prep {
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faultsim_restore_and_reopen
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execsql {
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PRAGMA cache_size = 10;
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BEGIN;
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UPDATE z SET zzz = randomblob(799);
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}
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set ::stmt [sqlite3_prepare db "SELECT zzz FROM z WHERE zz IN (1, 2, 3)" -1]
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sqlite3_step $::stmt
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} -body {
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execsql { INSERT INTO z VALUES(NULL, NULL) }
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} -test {
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sqlite3_finalize $::stmt
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faultsim_integrity_check
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faultsim_test_result {0 {}}
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catch { db eval { ROLLBACK } }
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faultsim_integrity_check
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set n [db eval {SELECT count(*), sum(length(zzz)) FROM z}]
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if {$n != "64 51200"} { error "Incorrect data: $n" }
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}
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#--------------------------------------------------------------------------
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# Test fault injection while checkpointing a large WAL file, if the
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# checkpoint is the first operation run after opening the database.
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# This means that some of the required wal-index pages are mapped as part of
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# the checkpoint process, which means there are a few more opportunities
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# for IO errors.
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#
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# To speed this up, IO errors are only simulated within xShmMap() calls.
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#
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do_test walfault-11-pre-1 {
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sqlite3 db test.db
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execsql {
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PRAGMA journal_mode = WAL;
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PRAGMA wal_autocheckpoint = 0;
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BEGIN;
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CREATE TABLE abc(a PRIMARY KEY);
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INSERT INTO abc VALUES(randomblob(1500));
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INSERT INTO abc VALUES(randomblob(1500));
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INSERT INTO abc SELECT randomblob(1500) FROM abc; -- 4
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INSERT INTO abc SELECT randomblob(1500) FROM abc; -- 8
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INSERT INTO abc SELECT randomblob(1500) FROM abc; -- 16
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INSERT INTO abc SELECT randomblob(1500) FROM abc; -- 32
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INSERT INTO abc SELECT randomblob(1500) FROM abc; -- 64
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INSERT INTO abc SELECT randomblob(1500) FROM abc; -- 128
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INSERT INTO abc SELECT randomblob(1500) FROM abc; -- 256
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INSERT INTO abc SELECT randomblob(1500) FROM abc; -- 512
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INSERT INTO abc SELECT randomblob(1500) FROM abc; -- 1024
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INSERT INTO abc SELECT randomblob(1500) FROM abc; -- 2048
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INSERT INTO abc SELECT randomblob(1500) FROM abc; -- 4096
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COMMIT;
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}
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faultsim_save_and_close
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} {}
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do_faultsim_test walfault-11 -faults shmerr* -prep {
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catch { db2 close }
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faultsim_restore_and_reopen
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shmfault filter xShmMap
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} -body {
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db eval { SELECT count(*) FROM abc }
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sqlite3 db2 test.db -vfs shmfault
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db2 eval { PRAGMA wal_checkpoint }
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set {} {}
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} -test {
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faultsim_test_result {0 {}}
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}
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#-------------------------------------------------------------------------
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# Test the handling of the various IO/OOM/SHM errors that may occur during
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# a log recovery operation undertaken as part of a call to
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# sqlite3_wal_checkpoint().
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#
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do_test walfault-12-pre-1 {
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faultsim_delete_and_reopen
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execsql {
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PRAGMA journal_mode = WAL;
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PRAGMA wal_autocheckpoint = 0;
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BEGIN;
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CREATE TABLE abc(a PRIMARY KEY);
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INSERT INTO abc VALUES(randomblob(1500));
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INSERT INTO abc VALUES(randomblob(1500));
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COMMIT;
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}
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faultsim_save_and_close
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} {}
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do_faultsim_test walfault-12 -prep {
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if {[info commands shmfault] == ""} {
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testvfs shmfault -default true
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}
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faultsim_restore_and_reopen
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db eval { SELECT * FROM sqlite_master }
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shmfault shm test.db [string repeat "\000" 40]
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} -body {
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set rc [sqlite3_wal_checkpoint db]
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if {$rc != "SQLITE_OK"} { error [sqlite3_errmsg db] }
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} -test {
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db close
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faultsim_test_result {0 {}}
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}
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#-------------------------------------------------------------------------
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# Test simple recovery, reading and writing a database file using a
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# heap-memory wal-index.
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#
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do_test walfault-13-pre-1 {
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faultsim_delete_and_reopen
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execsql {
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PRAGMA journal_mode = WAL;
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PRAGMA wal_autocheckpoint = 0;
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BEGIN;
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CREATE TABLE abc(a PRIMARY KEY);
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INSERT INTO abc VALUES(randomblob(1500));
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INSERT INTO abc VALUES(randomblob(1500));
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COMMIT;
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}
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faultsim_save_and_close
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delete_file sv_test.db-shm
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} {}
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do_faultsim_test walfault-13.1 -prep {
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faultsim_restore_and_reopen
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} -body {
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db eval { PRAGMA locking_mode = exclusive }
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db eval { SELECT count(*) FROM abc }
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} -test {
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faultsim_test_result {0 2}
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if {[file exists test.db-shm]} { error "Not using heap-memory mode" }
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faultsim_integrity_check
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}
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do_faultsim_test walfault-13.2 -prep {
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faultsim_restore_and_reopen
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db eval { PRAGMA locking_mode = exclusive }
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} -body {
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db eval { PRAGMA journal_mode = delete }
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} -test {
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faultsim_test_result {0 delete}
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if {[file exists test.db-shm]} { error "Not using heap-memory mode" }
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faultsim_integrity_check
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}
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do_test walfault-13-pre-2 {
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faultsim_delete_and_reopen
|
|
execsql {
|
|
BEGIN;
|
|
CREATE TABLE abc(a PRIMARY KEY);
|
|
INSERT INTO abc VALUES(randomblob(1500));
|
|
INSERT INTO abc VALUES(randomblob(1500));
|
|
COMMIT;
|
|
}
|
|
faultsim_save_and_close
|
|
} {}
|
|
|
|
do_faultsim_test walfault-13.3 -prep {
|
|
faultsim_restore_and_reopen
|
|
} -body {
|
|
db eval {
|
|
PRAGMA locking_mode = exclusive;
|
|
PRAGMA journal_mode = WAL;
|
|
INSERT INTO abc VALUES(randomblob(1500));
|
|
}
|
|
} -test {
|
|
faultsim_test_result {0 {exclusive wal}}
|
|
if {[file exists test.db-shm]} { error "Not using heap-memory mode" }
|
|
faultsim_integrity_check
|
|
set nRow [db eval {SELECT count(*) FROM abc}]
|
|
if {!(($nRow==2 && $testrc) || $nRow==3)} { error "Bad db content" }
|
|
}
|
|
|
|
#-------------------------------------------------------------------------
|
|
# Test fault-handling when wrapping around to the start of a WAL file.
|
|
#
|
|
do_test walfault-14-pre {
|
|
faultsim_delete_and_reopen
|
|
execsql {
|
|
PRAGMA auto_vacuum = 0;
|
|
PRAGMA journal_mode = WAL;
|
|
BEGIN;
|
|
CREATE TABLE abc(a PRIMARY KEY);
|
|
INSERT INTO abc VALUES(randomblob(1500));
|
|
INSERT INTO abc VALUES(randomblob(1500));
|
|
COMMIT;
|
|
}
|
|
faultsim_save_and_close
|
|
} {}
|
|
do_faultsim_test walfault-14 -prep {
|
|
faultsim_restore_and_reopen
|
|
} -body {
|
|
db eval {
|
|
PRAGMA wal_checkpoint = full;
|
|
INSERT INTO abc VALUES(randomblob(1500));
|
|
}
|
|
} -test {
|
|
faultsim_test_result {0 {0 10 10}}
|
|
faultsim_integrity_check
|
|
set nRow [db eval {SELECT count(*) FROM abc}]
|
|
if {!(($nRow==2 && $testrc) || $nRow==3)} { error "Bad db content" }
|
|
}
|
|
|
|
finish_test
|