mirror of
https://gitlab.com/cznic/sqlite.git
synced 2024-11-24 02:26:14 +00:00
234 lines
7.1 KiB
Plaintext
234 lines
7.1 KiB
Plaintext
# 2010 June 16
|
|
#
|
|
# The author disclaims copyright to this source code. In place of
|
|
# a legal notice, here is a blessing:
|
|
#
|
|
# May you do good and not evil.
|
|
# May you find forgiveness for yourself and forgive others.
|
|
# May you share freely, never taking more than you give.
|
|
#
|
|
#***********************************************************************
|
|
# This file implements regression tests for SQLite library. Specifically,
|
|
# it tests SQLite when using a VFS that claims the SAFE_DELETE property.
|
|
#
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
source $testdir/lock_common.tcl
|
|
source $testdir/malloc_common.tcl
|
|
db close
|
|
|
|
if {[permutation] == "inmemory_journal"} {
|
|
finish_test
|
|
return
|
|
}
|
|
|
|
set a_string_counter 1
|
|
proc a_string {n} {
|
|
global a_string_counter
|
|
incr a_string_counter
|
|
string range [string repeat "${a_string_counter}." $n] 1 $n
|
|
}
|
|
|
|
# Create a [testvfs] and install it as the default VFS. Set the device
|
|
# characteristics flags to "SAFE_DELETE".
|
|
#
|
|
testvfs tvfs -default 1
|
|
tvfs devchar {undeletable_when_open powersafe_overwrite}
|
|
|
|
# Set up a hook so that each time a journal file is opened, closed or
|
|
# deleted, the method name ("xOpen", "xClose" or "xDelete") and the final
|
|
# segment of the journal file-name (i.e. "test.db-journal") are appended to
|
|
# global list variable $::oplog.
|
|
#
|
|
tvfs filter {xOpen xClose xDelete}
|
|
tvfs script journal_op_catcher
|
|
proc journal_op_catcher {method filename args} {
|
|
|
|
# If global variable ::tvfs_error_on_write is defined, then return an
|
|
# IO error to every attempt to modify the file-system. Otherwise, return
|
|
# SQLITE_OK.
|
|
#
|
|
if {[info exists ::tvfs_error_on_write]} {
|
|
if {[lsearch {xDelete xWrite xTruncate} $method]>=0} {
|
|
return SQLITE_IOERR
|
|
}
|
|
}
|
|
|
|
# The rest of this command only deals with xOpen(), xClose() and xDelete()
|
|
# operations on journal files. If this invocation does not represent such
|
|
# an operation, return with no further ado.
|
|
#
|
|
set f [file tail $filename]
|
|
if {[string match *journal $f]==0} return
|
|
if {[lsearch {xOpen xDelete xClose} $method]<0} return
|
|
|
|
# Append a record of this operation to global list variable $::oplog.
|
|
#
|
|
lappend ::oplog $method $f
|
|
|
|
# If this is an attempt to delete a journal file for which there exists
|
|
# one ore more open handles, return an error. The code in test_vfs.c
|
|
# will not invoke the xDelete method of the "real" VFS in this case.
|
|
#
|
|
if {[info exists ::open_journals($f)]==0} { set ::open_journals($f) 0 }
|
|
switch -- $method {
|
|
xOpen { incr ::open_journals($f) +1 }
|
|
xClose { incr ::open_journals($f) -1 }
|
|
xDelete { if {$::open_journals($f)>0} { return SQLITE_IOERR } }
|
|
}
|
|
|
|
return ""
|
|
}
|
|
|
|
|
|
do_test journal2-1.1 {
|
|
set ::oplog [list]
|
|
sqlite3 db test.db
|
|
execsql { CREATE TABLE t1(a, b) }
|
|
set ::oplog
|
|
} {xOpen test.db-journal xClose test.db-journal xDelete test.db-journal}
|
|
do_test journal2-1.2 {
|
|
set ::oplog [list]
|
|
execsql {
|
|
PRAGMA journal_mode = truncate;
|
|
INSERT INTO t1 VALUES(1, 2);
|
|
}
|
|
set ::oplog
|
|
} {xOpen test.db-journal}
|
|
do_test journal2-1.3 {
|
|
set ::oplog [list]
|
|
execsql { INSERT INTO t1 VALUES(3, 4) }
|
|
set ::oplog
|
|
} {}
|
|
do_test journal2-1.4 { execsql { SELECT * FROM t1 } } {1 2 3 4}
|
|
|
|
# Add a second connection. This connection attempts to commit data in
|
|
# journal_mode=DELETE mode. When it tries to delete the journal file,
|
|
# the VFS layer returns an IO error.
|
|
#
|
|
do_test journal2-1.5 {
|
|
set ::oplog [list]
|
|
sqlite3 db2 test.db
|
|
execsql { PRAGMA journal_mode = delete } db2
|
|
catchsql { INSERT INTO t1 VALUES(5, 6) } db2
|
|
} {1 {disk I/O error}}
|
|
do_test journal2-1.6 { file exists test.db-journal } 1
|
|
do_test journal2-1.7 { execsql { SELECT * FROM t1 } } {1 2 3 4}
|
|
do_test journal2-1.8 {
|
|
execsql { PRAGMA journal_mode = truncate } db2
|
|
execsql { INSERT INTO t1 VALUES(5, 6) } db2
|
|
} {}
|
|
do_test journal2-1.9 { execsql { SELECT * FROM t1 } } {1 2 3 4 5 6}
|
|
|
|
# Grow the database until it is reasonably large.
|
|
#
|
|
do_test journal2-1.10 {
|
|
db2 close
|
|
db func a_string a_string
|
|
execsql {
|
|
CREATE TABLE t2(a UNIQUE, b UNIQUE);
|
|
INSERT INTO t2 VALUES(a_string(200), a_string(300));
|
|
INSERT INTO t2 SELECT a_string(200), a_string(300) FROM t2; -- 2
|
|
INSERT INTO t2 SELECT a_string(200), a_string(300) FROM t2; -- 4
|
|
INSERT INTO t2 SELECT a_string(200), a_string(300) FROM t2; -- 8
|
|
INSERT INTO t2 SELECT a_string(200), a_string(300) FROM t2; -- 16
|
|
INSERT INTO t2 SELECT a_string(200), a_string(300) FROM t2; -- 32
|
|
INSERT INTO t2 SELECT a_string(200), a_string(300) FROM t2; -- 64
|
|
}
|
|
file size test.db-journal
|
|
} {0}
|
|
do_test journal2-1.11 {
|
|
set sz [expr [file size test.db] / 1024]
|
|
expr {$sz>120 && $sz<200}
|
|
} 1
|
|
|
|
# Using new connection [db2] (with journal_mode=DELETE), write a lot of
|
|
# data to the database. So that many pages within the database file are
|
|
# modified before the transaction is committed.
|
|
#
|
|
# Then, enable simulated IO errors in all calls to xDelete, xWrite
|
|
# and xTruncate before committing the transaction and closing the
|
|
# database file. From the point of view of other file-system users, it
|
|
# appears as if the process hosting [db2] unexpectedly exited.
|
|
#
|
|
do_test journal2-1.12 {
|
|
sqlite3 db2 test.db
|
|
execsql {
|
|
PRAGMA cache_size = 10;
|
|
BEGIN;
|
|
INSERT INTO t2 SELECT randomblob(200), randomblob(300) FROM t2; -- 128
|
|
} db2
|
|
} {}
|
|
do_test journal2-1.13 {
|
|
tvfs filter {xOpen xClose xDelete xWrite xTruncate}
|
|
set ::tvfs_error_on_write 1
|
|
catchsql { COMMIT } db2
|
|
} {1 {disk I/O error}}
|
|
db2 close
|
|
unset ::tvfs_error_on_write
|
|
forcecopy test.db testX.db
|
|
|
|
do_test journal2-1.14 { file exists test.db-journal } 1
|
|
do_test journal2-1.15 {
|
|
execsql {
|
|
SELECT count(*) FROM t2;
|
|
PRAGMA integrity_check;
|
|
}
|
|
} {64 ok}
|
|
|
|
# This block checks that in the test case above, connection [db2] really
|
|
# did begin writing to the database file before it hit IO errors. If
|
|
# this is true, then the copy of the database file made before [db]
|
|
# rolled back the hot journal should fail the integrity-check.
|
|
#
|
|
do_test journal2-1.16 {
|
|
set sz [expr [file size testX.db] / 1024]
|
|
expr {$sz>240 && $sz<400}
|
|
} 1
|
|
do_test journal2-1.17 {
|
|
expr {[catchsql { PRAGMA integrity_check } db] == "0 ok"}
|
|
} {1}
|
|
do_test journal2-1.20 {
|
|
sqlite3 db2 testX.db
|
|
expr {[catchsql { PRAGMA integrity_check } db2] == "0 ok"}
|
|
} {0}
|
|
do_test journal2-1.21 {
|
|
db2 close
|
|
} {}
|
|
db close
|
|
|
|
#-------------------------------------------------------------------------
|
|
# Test that it is possible to switch from journal_mode=truncate to
|
|
# journal_mode=WAL on a SAFE_DELETE file-system. SQLite should close and
|
|
# delete the journal file when committing the transaction that switches
|
|
# the system to WAL mode.
|
|
#
|
|
if {[wal_is_capable]} {
|
|
do_test journal2-2.1 {
|
|
faultsim_delete_and_reopen
|
|
set ::oplog [list]
|
|
execsql { PRAGMA journal_mode = persist }
|
|
set ::oplog
|
|
} {}
|
|
do_test journal2-2.2 {
|
|
execsql {
|
|
CREATE TABLE t1(x);
|
|
INSERT INTO t1 VALUES(3.14159);
|
|
}
|
|
set ::oplog
|
|
} {xOpen test.db-journal}
|
|
do_test journal2-2.3 {
|
|
expr {[file size test.db-journal] > 512}
|
|
} {1}
|
|
do_test journal2-2.4 {
|
|
set ::oplog [list]
|
|
execsql { PRAGMA journal_mode = WAL }
|
|
set ::oplog
|
|
} {xClose test.db-journal xDelete test.db-journal}
|
|
db close
|
|
}
|
|
|
|
tvfs delete
|
|
finish_test
|