# 2008 June 28
#
# 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. The
# focus of this script is database proxy locks.
#
# $Id$
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# This file is only run if using the unix backend compiled with the
# SQLITE_ENABLE_LOCKING_STYLE macro.
db close
if {[catch {sqlite3 db test.db -vfs unix-none} msg]} {
finish_test
return
}
db close
file delete -force test.db.lock
#####################################################################
ifcapable lock_proxy_pragmas&&prefer_proxy_locking {
set ::using_proxy 0
foreach {name value} [array get env SQLITE_FORCE_PROXY_LOCKING] {
set ::using_proxy $value
}
# enable the proxy locking for these tests
set env(SQLITE_FORCE_PROXY_LOCKING) "1"
# test conch file creation
#
catch { file delete lock_proxy_test.db }
catch { file delete .lock_proxy_test.db-conch }
# test that proxy locking mode creates conch files
do_test lock_proxy1.0 {
sqlite3 db2 lock_proxy_test.db
catchsql {
create table x(y);
} db2
file exists .lock_proxy_test.db-conch
} {1}
catch { db2 close }
# test proxy locking readonly file system handling
#
if {[file exists /usr/bin/hdiutil]} {
puts "Creating readonly file system for proxy locking tests..."
if {[file exists /Volumes/readonly]} {
exec hdiutil detach /Volumes/readonly
}
if {[file exists readonly.dmg]} {
file delete readonly.dmg
}
exec hdiutil create -megabytes 1 -fs HFS+ readonly.dmg -volname readonly
exec hdiutil attach readonly.dmg
# create test1.db and a .test1.db-conch for host4
set sqlite_hostid_num 4
sqlite3 db2 /Volumes/readonly/test1.db
execsql {
create table x(y);
} db2
db2 close
# create test2.db and a .test2.db-conch for host5
set sqlite_hostid_num 5
sqlite3 db2 /Volumes/readonly/test2.db
execsql {
create table x(y);
} db2
db2 close
# create test3.db without a conch file
set env(SQLITE_FORCE_PROXY_LOCKING) "0"
sqlite3 db2 /Volumes/readonly/test3.db
execsql {
create table x(y);
} db2
db2 close
exec hdiutil detach /Volumes/readonly
exec hdiutil attach -readonly readonly.dmg
# test that an unwritable, host-mismatched conch file prevents
# read only proxy-locking mode database access
set env(SQLITE_FORCE_PROXY_LOCKING) "1"
do_test lock_proxy2.0 {
sqlite3 db2 /Volumes/readonly/test1.db
catchsql {
select * from sqlite_master;
} db2
} {1 {database is locked}}
catch { db2 close }
# test that an unwritable, host-matching conch file allows
# read only proxy-locking mode database access
do_test lock_proxy2.1 {
sqlite3 db2 /Volumes/readonly/test2.db
catchsql {
select * from sqlite_master;
} db2
} {0 {table x x 2 {CREATE TABLE x(y)}}}
catch { db2 close }
# test that an unwritable, nonexistant conch file allows
# read only proxy-locking mode database access
do_test lock_proxy2.2 {
sqlite3 db2 /Volumes/readonly/test3.db
catchsql {
select * from sqlite_master;
} db2
} {0 {table x x 2 {CREATE TABLE x(y)}}}
catch { db2 close }
exec hdiutil detach /Volumes/readonly
file delete readonly.dmg
}
set env(SQLITE_FORCE_PROXY_LOCKING) "0"
set sqlite_hostid_num 0
}
#####################################################################
file delete -force test.db
ifcapable lock_proxy_pragmas&&prefer_proxy_locking {
set env(SQLITE_FORCE_PROXY_LOCKING) $::using_proxy
}
finish_test