1use strict; 2use warnings; 3 4use Test::More; 5use lib qw(t/lib); 6use DBICTest; 7my $schema = DBICTest->init_schema(); 8 9# Under some versions of SQLite if the $rs is left hanging around it will lock 10# So we create a scope here cos I'm lazy 11{ 12 my $rs = $schema->resultset('CD')->search ({}, { order_by => 'cdid' }); 13 14 # get the defined columns 15 my @dbic_cols = sort $rs->result_source->columns; 16 17 # use the hashref inflator class as result class 18 $rs->result_class('DBIx::Class::ResultClass::HashRefInflator'); 19 20 # fetch first record 21 my $datahashref1 = $rs->first; 22 23 my @hashref_cols = sort keys %$datahashref1; 24 25 is_deeply( \@dbic_cols, \@hashref_cols, 'returned columns' ); 26 27 my $cd1 = $rs->find ({cdid => 1}); 28 is_deeply ( $cd1, $datahashref1, 'first/find return the same thing'); 29 30 my $cd2 = $rs->search({ cdid => 1 })->single; 31 is_deeply ( $cd2, $datahashref1, 'first/search+single return the same thing'); 32} 33 34sub check_cols_of { 35 my ($dbic_obj, $datahashref) = @_; 36 37 foreach my $col (keys %$datahashref) { 38 # plain column 39 if (not ref ($datahashref->{$col}) ) { 40 is ($datahashref->{$col}, $dbic_obj->get_column($col), 'same value'); 41 } 42 # related table entry (belongs_to) 43 elsif (ref ($datahashref->{$col}) eq 'HASH') { 44 check_cols_of($dbic_obj->$col, $datahashref->{$col}); 45 } 46 # multiple related entries (has_many) 47 elsif (ref ($datahashref->{$col}) eq 'ARRAY') { 48 my @dbic_reltable = $dbic_obj->$col; 49 my @hashref_reltable = @{$datahashref->{$col}}; 50 51 is (scalar @dbic_reltable, scalar @hashref_reltable, 'number of related entries'); 52 53 # for my $index (0..scalar @hashref_reltable) { 54 for my $index (0..scalar @dbic_reltable) { 55 my $dbic_reltable_obj = $dbic_reltable[$index]; 56 my $hashref_reltable_entry = $hashref_reltable[$index]; 57 58 check_cols_of($dbic_reltable_obj, $hashref_reltable_entry); 59 } 60 } 61 } 62} 63 64# create a cd without tracks for testing empty has_many relationship 65$schema->resultset('CD')->create({ title => 'Silence is golden', artist => 3, year => 2006 }); 66 67# order_by to ensure both resultsets have the rows in the same order 68# also check result_class-as-an-attribute syntax 69my $rs_dbic = $schema->resultset('CD')->search(undef, 70 { 71 prefetch => [ qw/ artist tracks / ], 72 order_by => [ 'me.cdid', 'tracks.position' ], 73 } 74); 75my $rs_hashrefinf = $schema->resultset('CD')->search(undef, 76 { 77 prefetch => [ qw/ artist tracks / ], 78 order_by => [ 'me.cdid', 'tracks.position' ], 79 result_class => 'DBIx::Class::ResultClass::HashRefInflator', 80 } 81); 82 83my @dbic = $rs_dbic->all; 84my @hashrefinf = $rs_hashrefinf->all; 85 86for my $index (0 .. $#hashrefinf) { 87 my $dbic_obj = $dbic[$index]; 88 my $datahashref = $hashrefinf[$index]; 89 90 check_cols_of($dbic_obj, $datahashref); 91} 92 93# sometimes for ultra-mega-speed you want to fetch columns in esoteric ways 94# check the inflator over a non-fetching join 95$rs_dbic = $schema->resultset ('Artist')->search ({ 'me.artistid' => 1}, { 96 prefetch => { cds => 'tracks' }, 97 order_by => [qw/cds.cdid tracks.trackid/], 98}); 99 100$rs_hashrefinf = $schema->resultset ('Artist')->search ({ 'me.artistid' => 1}, { 101 join => { cds => 'tracks' }, 102 select => [qw/name tracks.title tracks.cd /], 103 as => [qw/name cds.tracks.title cds.tracks.cd /], 104 order_by => [qw/cds.cdid tracks.trackid/], 105 result_class => 'DBIx::Class::ResultClass::HashRefInflator', 106}); 107 108@dbic = map { $_->tracks->all } ($rs_dbic->first->cds->all); 109@hashrefinf = $rs_hashrefinf->all; 110 111is (scalar @dbic, scalar @hashrefinf, 'Equal number of tracks fetched'); 112 113for my $index (0 .. $#hashrefinf) { 114 my $track = $dbic[$index]; 115 my $datahashref = $hashrefinf[$index]; 116 117 is ($track->cd->artist->name, $datahashref->{name}, 'Brought back correct artist'); 118 for my $col (keys %{$datahashref->{cds}{tracks}}) { 119 is ($track->get_column ($col), $datahashref->{cds}{tracks}{$col}, "Correct track '$col'"); 120 } 121} 122 123# check for same query as above but using extended columns syntax 124$rs_hashrefinf = $schema->resultset ('Artist')->search ({ 'me.artistid' => 1}, { 125 join => { cds => 'tracks' }, 126 columns => {name => 'name', 'cds.tracks.title' => 'tracks.title', 'cds.tracks.cd' => 'tracks.cd'}, 127 order_by => [qw/cds.cdid tracks.trackid/], 128}); 129$rs_hashrefinf->result_class('DBIx::Class::ResultClass::HashRefInflator'); 130is_deeply [$rs_hashrefinf->all], \@hashrefinf, 'Check query using extended columns syntax'; 131 132# check nested prefetching of has_many relationships which return nothing 133my $artist = $schema->resultset ('Artist')->create ({ name => 'unsuccessful artist without CDs'}); 134$artist->discard_changes; 135my $rs_artists = $schema->resultset ('Artist')->search ({ 'me.artistid' => $artist->id}, { 136 prefetch => { cds => 'tracks' }, result_class => 'DBIx::Class::ResultClass::HashRefInflator', 137}); 138is_deeply( 139 [$rs_artists->all], 140 [{ $artist->get_columns, cds => [] }], 141 'nested has_many prefetch without entries' 142); 143 144done_testing; 145 146