A test for an obscure join syntax - make sure we don't break it

diff --git a/t/relationship/core.t b/t/relationship/core.t
index 566e5f3..6a09c57 100644 (file)
--- a/t/relationship/core.t
+++ b/t/relationship/core.t
@@ -5,12 +5,11 @@ use Test::More;
 use Test::Exception;
 use lib qw(t/lib);
 use DBICTest;
+use DBIC::SqlMakerTest;
 
 my $schema = DBICTest->init_schema();
 my $sdebug = $schema->storage->debug;
 
-plan tests => 79;
-
 # has_a test
 my $cd = $schema->resultset("CD")->find(4);
 my ($artist) = ($INC{'DBICTest/HelperRels'}
@@ -260,8 +259,22 @@ is($def_artist_cd->has_column_loaded('artist'), 1, 'FK loaded');
 is($def_artist_cd->search_related('artist')->count, 0, 'closed search on null FK');
 
 # test undirected many-to-many relationship (e.g. "related artists")
-my $undir_maps = $schema->resultset("Artist")->find(1)->artist_undirected_maps;
+my $undir_maps = $schema->resultset("Artist")
+                          ->search ({artistid => 1})
+                            ->search_related ('artist_undirected_maps');
 is($undir_maps->count, 1, 'found 1 undirected map for artist 1');
+is_same_sql_bind (
+  $undir_maps->as_query,
+  '(
+    SELECT artist_undirected_maps.id1, artist_undirected_maps.id2
+      FROM artist me
+      LEFT JOIN artist_undirected_map artist_undirected_maps
+        ON artist_undirected_maps.id1 = me.artistid OR artist_undirected_maps.id2 = me.artistid
+    WHERE ( artistid = ? )
+  )',
+  [[artistid => 1]],
+  'expected join sql produced',
+);
 
 $undir_maps = $schema->resultset("Artist")->find(2)->artist_undirected_maps;
 is($undir_maps->count, 1, 'found 1 undirected map for artist 2');
@@ -310,3 +323,5 @@ is($cds->count, 1, "subjoins under left joins force_left (arrayref)");
 
 $cds = $schema->resultset("CD")->search({ 'me.cdid' => 5 }, { join => { single_track => { cd => {} } } });
 is($cds->count, 1, "subjoins under left joins force_left (hashref)");
+
+done_testing;