add test for last fix

[dbsrgits/DBIx-Class.git] / t / run / 23cache.tl

diff --git a/t/run/23cache.tl b/t/run/23cache.tl
index e654c61..77860b6 100644 (file)
--- a/t/run/23cache.tl
+++ b/t/run/23cache.tl
@@ -3,7 +3,7 @@ my $schema = shift;
 
 eval "use DBD::SQLite";
 plan skip_all => 'needs DBD::SQLite for testing' if $@;
-plan tests => 12;
+plan tests => 13;
 
 my $rs = $schema->resultset("Artist")->search(
   { artistid => 1 }
@@ -13,6 +13,26 @@ my $artist = $rs->first;
 
 is( scalar @{ $rs->get_cache }, 0, 'cache is not populated without cache attribute' );
 
+# start test for prefetch SELECT count
+unlink 't/var/dbic.trace' if -e 't/var/dbic.trace';
+DBI->trace(1, 't/var/dbic.trace');
+
+$artist = $schema->resultset('Artist')->find(1, { prefetch => [qw/cds/] });
+
+# count the SELECTs
+DBI->trace(0, undef);
+$selects = 0;
+$trace = IO::File->new('t/var/dbic.trace', '<') 
+    or die "Unable to read trace file";
+while (<$trace>) {
+    $selects++ if /SELECT/;
+}
+$trace->close;
+unlink 't/var/dbic.trace';
+
+is( $selects, 1, 'only one select statement on find with has_many prefetch' );
+
+
 $rs = $schema->resultset("Artist")->search(
   { 'artistid' => 1 },
   {