From: Peter Rabbitson <ribasushi@cpan.org>
Date: Mon, 1 Mar 2010 00:13:51 +0000 (+0000)
Subject: Sketches of tests that should ultimately pass
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=69ab63d48af1134c7a6b35ae9005b448a0e37d9e;p=dbsrgits%2FDBIx-Class-Historic.git

Sketches of tests that should ultimately pass
---

diff --git a/t/prefetch/incomplete.t b/t/prefetch/incomplete.t
index a93e693..000a386 100644
--- a/t/prefetch/incomplete.t
+++ b/t/prefetch/incomplete.t
@@ -23,7 +23,7 @@ lives_ok(sub {
       prefetch => [ qw/ cds / ],
       order_by => [ { -desc => 'me.name' }, 'cds.title' ],
       select => [qw/ me.name  cds.title / ],
-    }
+    },
   );
 
   is ($rs->count, 2, 'Correct number of collapsed artists');
@@ -34,6 +34,57 @@ lives_ok(sub {
 }, 'explicit prefetch on a keyless object works');
 
 
+lives_ok ( sub {
+
+  my $rs = $schema->resultset('CD')->search(
+    {},
+    {
+      order_by => [ { -desc => 'me.year' } ],
+    }
+  );
+  my $years = [qw/ 2001 2001 1999 1998 1997/];
+
+  is_deeply (
+    [ $rs->search->get_column('me.year')->all ],
+    $years,
+    'Expected years (at least one duplicate)',
+  );
+
+  my @cds_and_tracks;
+  for my $cd ($rs->all) {
+    my $data->{year} = $cd->year;
+    for my $tr ($cd->tracks->all) {
+      push @{$data->{tracks}}, { $tr->get_columns };
+    }
+    push @cds_and_tracks, $data;
+  }
+
+  my $pref_rs = $rs->search ({}, { columns => ['year'], prefetch => 'tracks' });
+
+  my @pref_cds_and_tracks;
+  for my $cd ($pref_rs->all) {
+    my $data = { $cd->get_columns };
+    for my $tr ($cd->tracks->all) {
+      push @{$data->{tracks}}, { $tr->get_columns };
+    }
+    push @pref_cds_and_tracks, $data;
+  }
+
+  is_deeply (
+    \@pref_cds_and_tracks,
+    \@cds_and_tracks,
+    'Correct collapsing on non-unique primary object'
+  );
+
+  is_deeply (
+    [ $pref_rs->search ({}, { result_class => 'DBIx::Class::ResultClass::HashRefInflator' })->all ],
+    \@cds_and_tracks,
+    'Correct HRI collapsing on non-unique primary object'
+  );
+
+}, 'weird collapse lives');
+
+
 lives_ok(sub {
   # test implicit prefetch as well
 
diff --git a/t/prefetch/manual.t b/t/prefetch/manual.t
new file mode 100644
index 0000000..75b117e
--- /dev/null
+++ b/t/prefetch/manual.t
@@ -0,0 +1,31 @@
+use strict;
+use warnings;
+
+use Test::More;
+use Test::Exception;
+use lib qw(t/lib);
+use DBICTest;
+
+my $schema = DBICTest->init_schema();
+
+my $rs = $schema->resultset ('CD')->search ({}, {
+  join => [ 'tracks', { single_track => { cd => { artist => { cds => 'tracks' } } } }  ],
+  collapse => 1,
+  columns => [
+    { 'year'                                    => 'me.year' },               # non-unique
+    { 'genreid'                                 => 'me.genreid' },            # nullable
+    { 'tracks.title'                            => 'tracks.title' },          # non-unique (no me.id)
+    { 'single_track.cd.artist.cds.cdid'         => 'cds.cdid' },              # to give uniquiness to ...tracks.title below
+    { 'single_track.cd.artist.cds.artist'       => 'cds.artist' },            # non-unique
+    { 'single_track.cd.artist.cds.year'         => 'cds.year' },              # non-unique
+    { 'single_track.cd.artist.cds.genreid'      => 'cds.genreid' },           # nullable
+    { 'single_track.cd.artist.cds.tracks.title' => 'tracks_2.title' },        # unique when combined with ...cds.cdid above
+    { 'latest_cd'                               => { max => 'cds.year' } },   # random function
+  ],
+  result_class => 'DBIx::Class::ResultClass::HashRefInflator',
+});
+
+use Data::Dumper::Concise;
+die Dumper [$rs->all];
+
+