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|
#!./perl -w
# ID: %I%, %G%
use strict ;
BEGIN {
unless(grep /blib/, @INC) {
chdir 't' if -d 't';
@INC = '../lib' if -d '../lib';
}
}
use BerkeleyDB;
use t::util ;
print "1..46\n";
my $Dfile = "dbhash.tmp";
unlink $Dfile;
umask(0) ;
{
# DBM Filter tests
use strict ;
my (%h, $db) ;
my ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
unlink $Dfile;
sub checkOutput
{
my($fk, $sk, $fv, $sv) = @_ ;
return
$fetch_key eq $fk && $store_key eq $sk &&
$fetch_value eq $fv && $store_value eq $sv &&
$_ eq 'original' ;
}
ok 1, $db = tie %h, 'BerkeleyDB::Hash',
-Filename => $Dfile,
-Flags => DB_CREATE;
$db->filter_fetch_key (sub { $fetch_key = $_ }) ;
$db->filter_store_key (sub { $store_key = $_ }) ;
$db->filter_fetch_value (sub { $fetch_value = $_}) ;
$db->filter_store_value (sub { $store_value = $_ }) ;
$_ = "original" ;
$h{"fred"} = "joe" ;
# fk sk fv sv
ok 2, checkOutput( "", "fred", "", "joe") ;
($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
ok 3, $h{"fred"} eq "joe";
# fk sk fv sv
ok 4, checkOutput( "", "fred", "joe", "") ;
($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
ok 5, $db->FIRSTKEY() eq "fred" ;
# fk sk fv sv
ok 6, checkOutput( "fred", "", "", "") ;
# replace the filters, but remember the previous set
my ($old_fk) = $db->filter_fetch_key
(sub { $_ = uc $_ ; $fetch_key = $_ }) ;
my ($old_sk) = $db->filter_store_key
(sub { $_ = lc $_ ; $store_key = $_ }) ;
my ($old_fv) = $db->filter_fetch_value
(sub { $_ = "[$_]"; $fetch_value = $_ }) ;
my ($old_sv) = $db->filter_store_value
(sub { s/o/x/g; $store_value = $_ }) ;
($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
$h{"Fred"} = "Joe" ;
# fk sk fv sv
ok 7, checkOutput( "", "fred", "", "Jxe") ;
($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
ok 8, $h{"Fred"} eq "[Jxe]";
# fk sk fv sv
ok 9, checkOutput( "", "fred", "[Jxe]", "") ;
($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
ok 10, $db->FIRSTKEY() eq "FRED" ;
# fk sk fv sv
ok 11, checkOutput( "FRED", "", "", "") ;
# put the original filters back
$db->filter_fetch_key ($old_fk);
$db->filter_store_key ($old_sk);
$db->filter_fetch_value ($old_fv);
$db->filter_store_value ($old_sv);
($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
$h{"fred"} = "joe" ;
ok 12, checkOutput( "", "fred", "", "joe") ;
($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
ok 13, $h{"fred"} eq "joe";
ok 14, checkOutput( "", "fred", "joe", "") ;
($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
ok 15, $db->FIRSTKEY() eq "fred" ;
ok 16, checkOutput( "fred", "", "", "") ;
# delete the filters
$db->filter_fetch_key (undef);
$db->filter_store_key (undef);
$db->filter_fetch_value (undef);
$db->filter_store_value (undef);
($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
$h{"fred"} = "joe" ;
ok 17, checkOutput( "", "", "", "") ;
($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
ok 18, $h{"fred"} eq "joe";
ok 19, checkOutput( "", "", "", "") ;
($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
ok 20, $db->FIRSTKEY() eq "fred" ;
ok 21, checkOutput( "", "", "", "") ;
undef $db ;
untie %h;
unlink $Dfile;
}
{
# DBM Filter with a closure
use strict ;
my (%h, $db) ;
unlink $Dfile;
ok 22, $db = tie %h, 'BerkeleyDB::Hash',
-Filename => $Dfile,
-Flags => DB_CREATE;
my %result = () ;
sub Closure
{
my ($name) = @_ ;
my $count = 0 ;
my @kept = () ;
return sub { ++$count ;
push @kept, $_ ;
$result{$name} = "$name - $count: [@kept]" ;
}
}
$db->filter_store_key(Closure("store key")) ;
$db->filter_store_value(Closure("store value")) ;
$db->filter_fetch_key(Closure("fetch key")) ;
$db->filter_fetch_value(Closure("fetch value")) ;
$_ = "original" ;
$h{"fred"} = "joe" ;
ok 23, $result{"store key"} eq "store key - 1: [fred]" ;
ok 24, $result{"store value"} eq "store value - 1: [joe]" ;
ok 25, ! defined $result{"fetch key"} ;
ok 26, ! defined $result{"fetch value"} ;
ok 27, $_ eq "original" ;
ok 28, $db->FIRSTKEY() eq "fred" ;
ok 29, $result{"store key"} eq "store key - 1: [fred]" ;
ok 30, $result{"store value"} eq "store value - 1: [joe]" ;
ok 31, $result{"fetch key"} eq "fetch key - 1: [fred]" ;
ok 32, ! defined $result{"fetch value"} ;
ok 33, $_ eq "original" ;
$h{"jim"} = "john" ;
ok 34, $result{"store key"} eq "store key - 2: [fred jim]" ;
ok 35, $result{"store value"} eq "store value - 2: [joe john]" ;
ok 36, $result{"fetch key"} eq "fetch key - 1: [fred]" ;
ok 37, ! defined $result{"fetch value"} ;
ok 38, $_ eq "original" ;
ok 39, $h{"fred"} eq "joe" ;
ok 40, $result{"store key"} eq "store key - 3: [fred jim fred]" ;
ok 41, $result{"store value"} eq "store value - 2: [joe john]" ;
ok 42, $result{"fetch key"} eq "fetch key - 1: [fred]" ;
ok 43, $result{"fetch value"} eq "fetch value - 1: [joe]" ;
ok 44, $_ eq "original" ;
undef $db ;
untie %h;
unlink $Dfile;
}
{
# DBM Filter recursion detection
use strict ;
my (%h, $db) ;
unlink $Dfile;
ok 45, $db = tie %h, 'BerkeleyDB::Hash',
-Filename => $Dfile,
-Flags => DB_CREATE;
$db->filter_store_key (sub { $_ = $h{$_} }) ;
eval '$h{1} = 1234' ;
ok 46, $@ =~ /^BerkeleyDB Aborting: recursion detected in filter_store_key at/ ;
#print "[$@]\n" ;
undef $db ;
untie %h;
unlink $Dfile;
}
|
