##
# DBM::Deep Test
##
use strict;
use Test::More tests => 9;
use Test::Exception;
use t::common qw( new_fh );
use_ok( 'DBM::Deep' );
my ($fh2, $filename2) = new_fh();
my $db2 = DBM::Deep->new( file => $filename2, fh => $fh2, );
SKIP: {
skip "Apparently, we cannot detect a tied scalar?", 1;
tie my $foo, 'Tied::Scalar';
throws_ok {
$db2->{failure} = $foo;
} qr/Cannot store something that is tied\./, "tied scalar storage fails";
}
{
tie my @foo, 'Tied::Array';
throws_ok {
$db2->{failure} = \@foo;
} qr/Cannot store something that is tied\./, "tied array storage fails";
}
{
tie my %foo, 'Tied::Hash';
throws_ok {
$db2->{failure} = \%foo;
} qr/Cannot store something that is tied\./, "tied hash storage fails";
}
{
my ($fh, $filename) = new_fh();
my $db = DBM::Deep->new( file => $filename, fh => $fh, );
##
# Create structure in $db
##
$db->import({
hash1 => {
subkey1 => "subvalue1",
subkey2 => "subvalue2",
}
});
is( $db->{hash1}{subkey1}, 'subvalue1', "Value imported correctly" );
is( $db->{hash1}{subkey2}, 'subvalue2', "Value imported correctly" );
# Test cross-ref nested hash accross DB objects
throws_ok {
$db2->{copy} = $db->{hash1};
} qr/Cannot store values across DBM::Deep files\. Please use export\(\) instead\./, "cross-ref fails";
# This error text is for when internal cross-refs are implemented
#} qr/Cannot cross-reference\. Use export\(\) instead\./, "cross-ref fails";
$db2->{copy} = $db->{hash1}->export;
}
##
# Make sure $db2 has copy of $db's hash structure
##
is( $db2->{copy}{subkey1}, 'subvalue1', "Value copied correctly" );
is( $db2->{copy}{subkey2}, 'subvalue2', "Value copied correctly" );
package Tied::Scalar;
sub TIESCALAR { bless {}, $_[0]; }
sub FETCH{}
package Tied::Array;
sub TIEARRAY { bless {}, $_[0]; }
package Tied::Hash;
sub TIEHASH { bless {}, $_[0]; }