From: Jess Robinson <castaway@desert-island.me.uk>
Date: Tue, 20 Apr 2010 06:06:26 +0000 (+0000)
Subject: Warn if a class found in ResultSet/ is not a subclass of ::ResultSet
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=1d3108a48a8220200e4377793f03bb05d1eecd5e;p=dbsrgits%2FDBIx-Class-Historic.git

Warn if a class found in ResultSet/ is not a subclass of ::ResultSet
---

diff --git a/Changes b/Changes
index 79934bc..185677f 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,6 @@
 Revision history for DBIx::Class
 
+        - Add a warning to load_namespaces if a class in ResultSet/ is not a subclass of DBIx::Class::ResultSet
         - InflateColumn::DateTime support for MSSQL via DBD::Sybase
         - millisecond precision support for MSSQL datetimes for
           InflateColumn::DateTime
diff --git a/lib/DBIx/Class/Schema.pm b/lib/DBIx/Class/Schema.pm
index c64eed0..cea821a 100644
--- a/lib/DBIx/Class/Schema.pm
+++ b/lib/DBIx/Class/Schema.pm
@@ -271,6 +271,10 @@ sub load_namespaces {
       }
       elsif($rs_class ||= $default_resultset_class) {
         $class->ensure_class_loaded($rs_class);
+        if(!$rs_class->isa("DBIx::Class::ResultSet")) {
+            carp "load_namespaces found ResultSet class $rs_class that does not subclass DBIx::Class::ResultSet";
+        }
+
         $class->_ns_get_rsrc_instance ($result_class)->resultset_class($rs_class);
       }
 
diff --git a/t/39load_namespaces_1.t b/t/39load_namespaces_1.t
index f20ca8c..5798518 100644
--- a/t/39load_namespaces_1.t
+++ b/t/39load_namespaces_1.t
@@ -7,8 +7,6 @@ use Test::More;
 use lib qw(t/lib);
 use DBICTest; # do not remove even though it is not used
 
-plan tests => 8;
-
 my $warnings;
 eval {
     local $SIG{__WARN__} = sub { $warnings .= shift };
@@ -16,8 +14,10 @@ eval {
     use base qw/DBIx::Class::Schema/;
     __PACKAGE__->load_namespaces;
 };
-ok(!$@) or diag $@;
-like($warnings, qr/load_namespaces found ResultSet class C with no corresponding Result class/);
+ok(!$@, 'load_namespaces doesnt die') or diag $@;
+like($warnings, qr/load_namespaces found ResultSet class C with no corresponding Result class/, 'Found warning about extra ResultSet classes');
+
+like($warnings, qr/load_namespaces found ResultSet class DBICNSTest::ResultSet::D that does not subclass DBIx::Class::ResultSet/, 'Found warning about ResultSets with incorrect subclass');
 
 my $source_a = DBICNSTest->source('A');
 isa_ok($source_a, 'DBIx::Class::ResultSource::Table');
@@ -31,5 +31,7 @@ isa_ok($rset_b, 'DBIx::Class::ResultSet');
 
 for my $moniker (qw/A B/) {
   my $class = "DBICNSTest::Result::$moniker";
-  ok(!defined($class->result_source_instance->source_name));
+  ok(!defined($class->result_source_instance->source_name), "Source name of $moniker not defined");
 }
+
+done_testing;