+BEGIN { do "./t/lib/ANFANG.pm" or die ( $@ || $! ) }
+
use strict;
-use warnings;
+use warnings;
use Test::More;
-use Test::Exception;
-use lib qw(t/lib);
+use Test::Warn;
+
use DBICTest;
-use IO::File;
my $schema = DBICTest->init_schema();
-my $sdebug = $schema->storage->debug;
-
-# once the following TODO is complete, remove the 2 warning tests immediately
-# after the TODO block
-# (the TODO block itself contains tests ensuring that the warns are removed)
-TODO: {
- local $TODO = 'Prefetch of multiple has_many rels at the same level (currently warn to protect the clueless git)';
-
- #( 1 -> M + M )
- my $cd_rs = $schema->resultset('CD')->search ({ 'me.title' => 'Forkful of bees' });
- my $pr_cd_rs = $cd_rs->search ({}, {
- prefetch => [qw/tracks tags/],
- });
-
- my $tracks_rs = $cd_rs->first->tracks;
- my $tracks_count = $tracks_rs->count;
-
- my ($pr_tracks_rs, $pr_tracks_count);
-
- my $queries = 0;
- $schema->storage->debugcb(sub { $queries++ });
- $schema->storage->debug(1);
-
- my $o_mm_warn;
- {
- local $SIG{__WARN__} = sub { $o_mm_warn = shift };
- $pr_tracks_rs = $pr_cd_rs->first->tracks;
- };
- $pr_tracks_count = $pr_tracks_rs->count;
-
- ok(! $o_mm_warn, 'no warning on attempt to prefetch several same level has_many\'s (1 -> M + M)');
-
- is($queries, 1, 'prefetch one->(has_many,has_many) ran exactly 1 query');
- $schema->storage->debugcb (undef);
- $schema->storage->debug ($sdebug);
-
- is($pr_tracks_count, $tracks_count, 'equal count of prefetched relations over several same level has_many\'s (1 -> M + M)');
- is ($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)');
-
- #( M -> 1 -> M + M )
- my $note_rs = $schema->resultset('LinerNotes')->search ({ notes => 'Buy Whiskey!' });
- my $pr_note_rs = $note_rs->search ({}, {
- prefetch => {
- cd => [qw/tracks tags/]
- },
- });
-
- my $tags_rs = $note_rs->first->cd->tags;
- my $tags_count = $tags_rs->count;
-
- my ($pr_tags_rs, $pr_tags_count);
-
- $queries = 0;
- $schema->storage->debugcb(sub { $queries++ });
- $schema->storage->debug(1);
-
- my $m_o_mm_warn;
- {
- local $SIG{__WARN__} = sub { $m_o_mm_warn = shift };
- $pr_tags_rs = $pr_note_rs->first->cd->tags;
- };
- $pr_tags_count = $pr_tags_rs->count;
-
- ok(! $m_o_mm_warn, 'no warning on attempt to prefetch several same level has_many\'s (M -> 1 -> M + M)');
-
- is($queries, 1, 'prefetch one->(has_many,has_many) ran exactly 1 query');
- $schema->storage->debugcb (undef);
- $schema->storage->debug ($sdebug);
-
- is($pr_tags_count, $tags_count, 'equal count of prefetched relations over several same level has_many\'s (M -> 1 -> M + M)');
- is($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)');
-}
-
-# remove this closure once the TODO above is working
-{
- my $warn_re = qr/will explode the number of row objects retrievable via/;
-
- my (@w, @dummy);
- local $SIG{__WARN__} = sub { $_[0] =~ $warn_re ? push @w, @_ : warn @_ };
-
- my $rs = $schema->resultset('CD')->search ({ 'me.title' => 'Forkful of bees' }, { prefetch => [qw/tracks tags/] });
- @w = ();
- @dummy = $rs->first;
- is (@w, 1, 'warning on attempt prefetching several same level has_manys (1 -> M + M)');
-
- my $rs2 = $schema->resultset('LinerNotes')->search ({ notes => 'Buy Whiskey!' }, { prefetch => { cd => [qw/tags tracks/] } });
- @w = ();
- @dummy = $rs2->first;
- is (@w, 1, 'warning on attempt prefetching several same level has_manys (M -> 1 -> M + M)');
-}
+
+#( 1 -> M + M )
+my $cd_rs = $schema->resultset('CD')->search( { 'me.title' => 'Forkful of bees' } );
+my $pr_cd_rs = $cd_rs->search( {}, { prefetch => [qw/tracks tags/], } );
+
+my $tracks_rs = $cd_rs->first->tracks;
+my $tracks_count = $tracks_rs->count;
+
+$schema->is_executed_querycount( sub {
+ my $pcr = $pr_cd_rs;
+ my $pr_tracks_rs;
+
+ warnings_exist {
+ $pr_tracks_rs = $pcr->first->tracks;
+ } [], 'no warning on attempt to prefetch several same level has_many\'s (1 -> M + M)' ;
+
+ is( $pr_tracks_rs->count, $tracks_count,
+ 'equal count of prefetched relations over several same level has_many\'s (1 -> M + M)'
+ );
+
+ is( $pr_tracks_rs->all, $tracks_count,
+ 'equal amount of objects returned with and without prefetch over several same level has_many\'s (1 -> M + M)'
+ );
+
+}, 1, 'prefetch one->(has_many,has_many) ran exactly 1 query' );
+
+
+#( M -> 1 -> M + M )
+my $note_rs =
+ $schema->resultset('LinerNotes')->search( { notes => 'Buy Whiskey!' } );
+my $pr_note_rs =
+ $note_rs->search( {}, { prefetch => { cd => [qw/tracks tags/] }, } );
+
+my $tags_rs = $note_rs->first->cd->tags;
+my $tags_count = $tags_rs->count;
+
+$schema->is_executed_querycount( sub {
+ my $pnr = $pr_note_rs;
+ my $pr_tags_rs;
+
+ warnings_exist {
+ $pr_tags_rs = $pnr->first->cd->tags;
+ } [], 'no warning on attempt to prefetch several same level has_many\'s (M -> 1 -> M + M)';
+
+ is( $pr_tags_rs->count, $tags_count,
+ 'equal count of prefetched relations over several same level has_many\'s (M -> 1 -> M + M)'
+ );
+ is( $pr_tags_rs->all, $tags_count,
+ 'equal amount of objects with and without prefetch over several same level has_many\'s (M -> 1 -> M + M)'
+ );
+
+}, 1, 'prefetch one->(has_many,has_many) ran exactly 1 query' );
+
done_testing;
projects / dbsrgits/DBIx-Class.git / blobdiff