return unless $id;

    return unless defined($id);

- 

#!/usr/bin/perl

# Copyright 2015 Koha Development team

#

# This file is part of Koha

#

# Koha is free software; you can redistribute it and/or modify it

# under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 3 of the License, or

# (at your option) any later version.

#

# Koha is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with Koha; if not, see <http://www.gnu.org/licenses>.

use Modern::Perl;

use Test::More tests => 1;

use Koha::Authority::Types;

use Koha::Database;

use t::lib::TestBuilder;

my $schema = Koha::Database->new->schema;

$schema->storage->txn_begin;

is( ref(Koha::Authority::Types->find('')), 'Koha::Authority::Type', 'Koha::Objects->find should work if the primary key is an empty string' );

$schema->storage->txn_rollback;

1;