sqlcipher/test/oserror.test

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# 2011 February 19
#
# 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 file is testing that error messages are logged via the
# sqlite3_log() mechanism when certain errors are encountered in the
# default unix or windows VFS modules.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
if {$::tcl_platform(platform)!="unix"} { finish_test ; return }
set ::testprefix oserror
db close
sqlite3_shutdown
test_sqlite3_log xLog
proc xLog {error_code msg} {
if {[string match os_* $msg]} {
lappend ::log $msg
}
}
proc do_re_test {tn script expression} {
uplevel do_test $tn [list [subst -nocommands {
set res [eval { $script }]
if {[regexp {$expression} [set res]]} {
set {} {$expression}
} else {
set res
}
}]] [list $expression]
}
#--------------------------------------------------------------------------
# Tests oserror-1.* test failures in the open() system call.
#
# Test a failure in open() due to too many files.
#
# The xOpen() method of the unix VFS calls getcwd() as well as open().
# Although this does not appear to be documented in the man page, on OSX
# a call to getcwd() may fail if there are no free file descriptors. So
# an error may be reported for either open() or getcwd() here.
#
if {![clang_sanitize_address]} {
unset -nocomplain rc
unset -nocomplain nOpen
set nOpen 20000
do_test 1.1.1 {
set ::log [list]
set ::rc [catch {
for {set i 0} {$i < $::nOpen} {incr i} { sqlite3 dbh_$i test.db -readonly 1 }
} msg]
if {$::rc==0} {
# Some system (ex: Debian) are able to create 20000+ file descriptiors
# such systems will not fail here
set x ok
} elseif {$::rc==1 && $msg=="unable to open database file"} {
set x ok
} else {
set x [list $::rc $msg]
}
} {ok}
do_test 1.1.2 {
catch { for {set i 0} {$i < $::nOpen} {incr i} { dbh_$i close } }
} $::rc
if {$rc} {
do_re_test 1.1.3 {
lindex $::log 0
} {^os_unix.c:\d+: \(\d+\) (open|getcwd)\(.*test.db\) - }
}
}
# Test a failure in open() due to the path being a directory.
#
do_test 1.2.1 {
file mkdir dir.db
set ::log [list]
list [catch { sqlite3 dbh dir.db } msg] $msg
} {1 {unable to open database file}}
do_re_test 1.2.2 { lindex $::log 0 } {^os_unix.c:\d+: \(\d+\) open\(.*dir.db\) - }
# Test a failure in open() due to the path not existing.
#
do_test 1.3.1 {
set ::log [list]
list [catch { sqlite3 dbh /x/y/z/test.db } msg] $msg
} {1 {unable to open database file}}
do_re_test 1.3.2 { lindex $::log 0 } {^os_unix.c:\d+: \(\d+\) open\(.*test.db\) - }
# Test a failure in open() due to the path not existing.
#
do_test 1.4.1 {
set ::log [list]
list [catch { sqlite3 dbh /root/test.db } msg] $msg
} {1 {unable to open database file}}
do_re_test 1.4.2 {
lindex $::log 0
} {^os_unix.c:\d*: \(\d+\) (open|readlink|lstat)\(.*test.db\) - }
#--------------------------------------------------------------------------
# Tests oserror-1.* test failures in the unlink() system call.
#
ifcapable wal {
do_test 2.1.1 {
set ::log [list]
file mkdir test.db-wal
forcedelete test.db
list [catch {
sqlite3 dbh test.db
execsql { SELECT * FROM sqlite_master } dbh
} msg] $msg
} {1 {disk I/O error}}
do_re_test 2.1.2 {
lindex $::log 0
} {^os_unix.c:\d+: \(\d+\) unlink\(.*test.db-wal\) - }
do_test 2.1.3 {
catch { dbh close }
forcedelete test.db-wal
} {}
}
test_syscall reset
sqlite3_shutdown
test_sqlite3_log
sqlite3_initialize
finish_test