mirror of
https://github.com/tursodatabase/libsql.git
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169 lines
5.0 KiB
Plaintext
169 lines
5.0 KiB
Plaintext
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# 2011 December 13
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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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#
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# This file contains tests for error (IO, OOM etc.) handling when using
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# the multiplexor extension with 8.3 filenames.
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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 $testdir/malloc_common.tcl
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set ::testprefix multiplex3
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ifcapable !8_3_names {
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puts -nonewline "SQLite compiled without SQLITE_ENABLE_8_3_NAMES. "
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puts "Skipping tests multiplex3-*."
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finish_test
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return
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}
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db close
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sqlite3_shutdown
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sqlite3_config_uri 1
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autoinstall_test_functions
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sqlite3_multiplex_initialize "" 1
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proc destroy_vfs_stack {} {
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generic_unregister stack
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sqlite3_multiplex_shutdown
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}
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proc multiplex_delete_db {} {
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forcedelete test.db
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for {set i 1} {$i <= 1000} {incr i} {
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forcedelete test.[format %03d $i]
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}
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}
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# Procs to save and restore the current muliplexed database.
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#
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proc multiplex_save_db {} {
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foreach f [glob -nocomplain sv_test.*] { forcedelete $f }
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foreach f [glob -nocomplain test.*] { forcecopy $f "sv_$f" }
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}
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proc multiplex_restore_db {} {
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foreach f [glob -nocomplain test.*] {forcedelete $f}
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foreach f [glob -nocomplain sv_test.*] {forcecopy $f [string range $f 3 end]} }
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proc setup_and_save_db {} {
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multiplex_delete_db
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sqlite3 db file:test.db?8_3_names=1
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sqlite3_multiplex_control db main chunk_size [expr 256*1024]
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execsql {
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CREATE TABLE t1(a PRIMARY KEY, b);
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INSERT INTO t1 VALUES(randomblob(15), randomblob(2000));
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INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 2
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INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 4
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INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 8
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INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 16
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INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 32
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INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 64
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INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 128
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INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 256
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INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1; -- 512
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}
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set ::cksum1 [execsql {SELECT md5sum(a, b) FROM t1 ORDER BY a}]
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db close
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multiplex_save_db
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}
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do_test 1.0 { setup_and_save_db } {}
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do_faultsim_test 1 -prep {
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multiplex_restore_db
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sqlite3 db file:test.db?8_3_names=1
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sqlite3_multiplex_control db main chunk_size [expr 256*1024]
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execsql { PRAGMA journal_mode = truncate }
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execsql { PRAGMA synchronous = off }
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} -body {
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execsql {
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UPDATE t1 SET a=randomblob(12), b=randomblob(1500) WHERE (rowid%32)=0
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}
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} -test {
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faultsim_test_result {0 {}}
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if {$testrc!=0} {
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set cksum2 [execsql {SELECT md5sum(a, b) FROM t1 ORDER BY a}]
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if {$cksum2 != $::cksum1} { error "data mismatch" }
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}
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}
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#-------------------------------------------------------------------------
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# The following tests verify that hot-journal rollback works. As follows:
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#
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# 1. Create a large database.
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# 2. Set the pager cache to be very small.
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# 3. Open a transaction.
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# 4. Run the following 100 times:
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# a. Update a row.
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# b. Copy all files on disk to a new db location, including the journal.
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# c. Verify that the new db can be opened and that the content matches
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# the database created in step 1 (proving the journal was rolled
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# back).
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do_test 2.0 {
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setup_and_save_db
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multiplex_restore_db
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sqlite3 db file:test.db?8_3_names=1
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execsql { PRAGMA cache_size = 10 }
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execsql { BEGIN }
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} {}
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for {set iTest 1} {$iTest<=100} {incr iTest} {
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do_test 2.$iTest {
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execsql {
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UPDATE t1 SET a=randomblob(12), b=randomblob(1400) WHERE rowid=5*$iTest
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}
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foreach f [glob -nocomplain test.*] {forcecopy $f "xx_$f"}
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sqlite3 db2 file:xx_test.db?8_3_names=1
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execsql {SELECT md5sum(a, b) FROM t1 ORDER BY a} db2
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} $::cksum1
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db2 close
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}
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catch { db close }
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do_test 3.0 { setup_and_save_db } {}
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do_faultsim_test 3 -faults ioerr-trans* -prep {
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forcedelete test2.db
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set fd [open test2.wal w]
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seek $fd 4095
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puts -nonewline $fd x
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close $fd
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multiplex_restore_db
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sqlite3 db file:test.db?8_3_names=1
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sqlite3 db2 file:test2.db?8_3_names=1
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sqlite3_multiplex_control db main chunk_size [expr 256*1024]
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sqlite3_multiplex_control db2 main chunk_size [expr 256*1024]
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} -body {
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sqlite3_backup B db2 main db main
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B step 100000
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set rc [B finish]
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if { [string match SQLITE_IOERR_* $rc] } {error "disk I/O error"}
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set rc
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} -test {
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faultsim_test_result {0 SQLITE_OK}
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if {$testrc==0} {
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set cksum2 [execsql {SELECT md5sum(a, b) FROM t1 ORDER BY a} db2]
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if {$cksum2 != $::cksum1} { error "data mismatch" }
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}
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catch { B finish }
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catch { db close }
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catch { db2 close }
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}
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catch { db close }
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sqlite3_multiplex_shutdown
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finish_test
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