10 my $schema = DBICTest->init_schema();
11 my $sdebug = $schema->storage->debug;
13 # once the following TODO is complete, remove the 2 warning tests immediately
14 # after the TODO block
15 # (the TODO block itself contains tests ensuring that the warns are removed)
17 local $TODO = 'Prefetch of multiple has_many rels at the same level (currently warn to protect the clueless git)';
20 my $cd_rs = $schema->resultset('CD')->search ({ 'me.title' => 'Forkful of bees' });
21 my $pr_cd_rs = $cd_rs->search ({}, {
22 prefetch => [qw/tracks tags/],
25 my $tracks_rs = $cd_rs->first->tracks;
26 my $tracks_count = $tracks_rs->count;
28 my ($pr_tracks_rs, $pr_tracks_count);
31 $schema->storage->debugcb(sub { $queries++ });
32 $schema->storage->debug(1);
36 local $SIG{__WARN__} = sub { $o_mm_warn = shift };
37 $pr_tracks_rs = $pr_cd_rs->first->tracks;
39 $pr_tracks_count = $pr_tracks_rs->count;
41 ok(! $o_mm_warn, 'no warning on attempt to prefetch several same level has_many\'s (1 -> M + M)');
43 is($queries, 1, 'prefetch one->(has_many,has_many) ran exactly 1 query');
44 $schema->storage->debugcb (undef);
45 $schema->storage->debug ($sdebug);
47 is($pr_tracks_count, $tracks_count, 'equal count of prefetched relations over several same level has_many\'s (1 -> M + M)');
48 is ($pr_tracks_rs->all, $tracks_rs->all, 'equal amount of objects returned with and without prefetch over several same level has_many\'s (1 -> M + M)');
51 my $note_rs = $schema->resultset('LinerNotes')->search ({ notes => 'Buy Whiskey!' });
52 my $pr_note_rs = $note_rs->search ({}, {
54 cd => [qw/tracks tags/]
58 my $tags_rs = $note_rs->first->cd->tags;
59 my $tags_count = $tags_rs->count;
61 my ($pr_tags_rs, $pr_tags_count);
64 $schema->storage->debugcb(sub { $queries++ });
65 $schema->storage->debug(1);
69 local $SIG{__WARN__} = sub { $m_o_mm_warn = shift };
70 $pr_tags_rs = $pr_note_rs->first->cd->tags;
72 $pr_tags_count = $pr_tags_rs->count;
74 ok(! $m_o_mm_warn, 'no warning on attempt to prefetch several same level has_many\'s (M -> 1 -> M + M)');
76 is($queries, 1, 'prefetch one->(has_many,has_many) ran exactly 1 query');
77 $schema->storage->debugcb (undef);
78 $schema->storage->debug ($sdebug);
80 is($pr_tags_count, $tags_count, 'equal count of prefetched relations over several same level has_many\'s (M -> 1 -> M + M)');
81 is($pr_tags_rs->all, $tags_rs->all, 'equal amount of objects with and without prefetch over several same level has_many\'s (M -> 1 -> M + M)');
84 # remove this closure once the TODO above is working
86 my $warn_re = qr/will explode the number of row objects retrievable via/;
89 local $SIG{__WARN__} = sub { $_[0] =~ $warn_re ? push @w, @_ : warn @_ };
91 my $rs = $schema->resultset('CD')->search ({ 'me.title' => 'Forkful of bees' }, { prefetch => [qw/tracks tags/] });
94 is (@w, 1, 'warning on attempt prefetching several same level has_manys (1 -> M + M)');
96 my $rs2 = $schema->resultset('LinerNotes')->search ({ notes => 'Buy Whiskey!' }, { prefetch => { cd => [qw/tags tracks/] } });
99 is (@w, 1, 'warning on attempt prefetching several same level has_manys (M -> 1 -> M + M)');