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# 2019 November 18
#
# 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 SQLite can follow symbolic links.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix symlink2
# This only runs on Windows.
if {$::tcl_platform(platform)!="windows"} {
finish_test
return
}
proc createWin32Symlink { link target } {
exec -- $::env(ComSpec) /c mklink \
[file nativename $link] [file nativename $target]
return ""
}
proc deleteWin32Symlink { link } {
exec -- $::env(ComSpec) /c del [file nativename $link]
return ""
}
proc canCreateWin32Symlink {} {
set link [file join $::testdir lnk[pid].sym]
if {[file exists $link]} { return 0 }
set target [info nameofexecutable]
if {[catch {createWin32Symlink $link $target}] == 0} {
deleteWin32Symlink $link
return 1
}
return 0
}
# Creating symlinks may require administrator privileges on Windows.
if {![canCreateWin32Symlink]} {
finish_test
return
}
# Ensure that test.db has been created.
#
do_execsql_test 1.0 {
CREATE TABLE t1(x, y);
INSERT INTO t1 VALUES(1,9999);
}
do_test 2.0 {
createWin32Symlink link.db test.db
} {}
do_test 2.1 {
file exists test.db
} {1}
do_test 2.2 {
file exists link.db
} {1}
do_test 3.1 {
execsql { SELECT x, y FROM t1; } db
} {1 9999}
do_test 3.2 {
sqlite3 db2 link.db
execsql { SELECT x, y FROM t1; } db2
} {1 9999}
do_test 3.3 {
sqlite3 db3 test.db -nofollow true
execsql { SELECT x, y FROM t1; } db3
} {1 9999}
do_test 3.4 {
db3 close
} {}
do_test 3.5 {
list [catch {
sqlite3 db4 link.db -nofollow true
execsql { SELECT x, y FROM t1; } db4
} res] $res
} {1 {unable to open database file}}
catch {db4 close}
do_test 4.0 {
db2 close
deleteWin32Symlink link.db
} {}
do_test 4.1 {
file exists test.db
} {1}
do_test 4.2 {
file exists link.db
} {0}
do_test 5.1 {
execsql { SELECT x, y FROM t1; } db
} {1 9999}
finish_test
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