Bug 23271: Prevent crash if called without parameters

Can't use an undefined value as a HASH reference at /kohadevbox/koha/Koha/Objects/Limit/Library.pm line 87.

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>

Koha/Objects/Limit/Library.pm

@@ -71,6 +71,7 @@ sub search_with_library_limits {
         ]
     };
 
+    $params //= {};
     $attributes //= {};
     if ( exists $attributes->{join} ) {
         if ( ref $attributes->{join} eq 'ARRAY' ) {

t/db_dependent/Koha/Patron/Attribute/Types.t

@@ -388,7 +388,7 @@ subtest 'replace_library_limits() tests' => sub {
 
 subtest 'search_with_library_limits() tests' => sub {
 
-    plan tests => 5;
+    plan tests => 6;
 
     $schema->storage->txn_begin;
 
@@ -427,6 +427,10 @@ subtest 'search_with_library_limits() tests' => sub {
 
     is( $results->count, 3, '3 attribute types are available with no library passed' );
 
+    $results = Koha::Patron::Attribute::Types->search_with_library_limits();
+
+    is( $results->count, 3, 'No crash if no params passed' );
+
     $schema->storage->txn_rollback;
 };