doc tweaks, failing test from jcs

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

diff --git a/t/run/23cache.tl b/t/run/23cache.tl
index 77860b6..1f85dcb 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 => 13;
+plan tests => 15;
 
 my $rs = $schema->resultset("Artist")->search(
   { artistid => 1 }
@@ -13,25 +13,15 @@ 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' );
+my @a = $schema->resultset("Artist")->search(
+  { },
+  {
+    join => [ qw/ cds /],
+    prefetch => [qw/ cds /],
+  }
+);
 
+is(scalar @a, 3, 'artist with cds: count parent objects');
 
 $rs = $schema->resultset("Artist")->search(
   { 'artistid' => 1 },
@@ -93,6 +83,14 @@ $rs = $schema->resultset("Artist")->search(
     },
   }
 );
+{
+$schema->resultset("Artist")->create({artistid=>4,name=>qq{Humoungous Hamsters}});
+my $artist = $schema->resultset("Artist")->search(
+  { artistid => 4 },{prefetch=>[qw/cds/]}
+)->first;
+
+is($artist->cds, 0, 'No cds for this artist');
+}
 
 # SELECT count for nested has_many prefetch
 unlink 't/var/dbic.trace' if -e 't/var/dbic.trace';
@@ -147,6 +145,45 @@ unlink 't/var/dbic.trace';
 
 is( $selects, 0, 'no additional SQL statements while checking nested data' );
 
+# 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( $selects, 1, 'only one select statement on find with inline has_many prefetch' );
+
+# start test for prefetch SELECT count
+unlink 't/var/dbic.trace' if -e 't/var/dbic.trace';
+DBI->trace(1, 't/var/dbic.trace');
+
+$rs = $schema->resultset('Artist')->search(undef, { prefetch => [qw/cds/] });
+$artist = $rs->find(1);
+
+# count the SELECTs
+DBI->trace(0, undef);
+$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 on resultset' );
+
 }
 
 1;