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use strict;
use warnings;
use Test::More;
use DBIx::Class::_Util 'modver_gt_or_eq';
use base();
BEGIN {
plan skip_all => 'base.pm 2.20 (only present in perl 5.19.7) is known to break this test'
if modver_gt_or_eq(base => '2.19_01') and ! modver_gt_or_eq(base => '2.21');
}
use Test::Exception;
use lib qw(t/lib);
use DBICTest;
my $schema = DBICTest->init_schema();
# Under some versions of SQLite if the $rs is left hanging around it will lock
# So we create a scope here cos I'm lazy
{
my $rs = $schema->resultset('CD')->search ({}, {
order_by => 'cdid',
});
my $orig_resclass = $rs->result_class;
eval "package DBICTest::CDSubclass; use base '$orig_resclass'";
# override on a specific $rs object, should not chain
$rs->result_class ('DBICTest::CDSubclass');
my $cd = $rs->find ({cdid => 1});
is (ref $cd, 'DBICTest::CDSubclass', 'result_class override propagates to find');
$cd = $rs->search({ cdid => 1 })->single;
is (ref $cd, $orig_resclass, 'result_class override does not propagate over seach+single');
$cd = $rs->search()->find ({ cdid => 1 });
is (ref $cd, $orig_resclass, 'result_class override does not propagate over seach+find');
# set as attr - should propagate
my $hri_rs = $rs->search ({}, { result_class => 'DBIx::Class::ResultClass::HashRefInflator' });
is ($rs->result_class, 'DBICTest::CDSubclass', 'original class unchanged');
is ($hri_rs->result_class, 'DBIx::Class::ResultClass::HashRefInflator', 'result_class accessor pre-set via attribute');
my $datahashref1 = $hri_rs->next;
is_deeply(
[ sort keys %$datahashref1 ],
[ sort $rs->result_source->columns ],
'returned correct columns',
);
$hri_rs->reset;
$cd = $hri_rs->find ({cdid => 1});
is_deeply ( $cd, $datahashref1, 'first/find return the same thing (result_class attr propagates)');
$cd = $hri_rs->search({ cdid => 1 })->single;
is_deeply ( $cd, $datahashref1, 'first/search+single return the same thing (result_class attr propagates)');
$hri_rs->result_class ('DBIx::Class::Row'); # something bogus
is(
$hri_rs->search->result_class, 'DBIx::Class::ResultClass::HashRefInflator',
'result_class set using accessor does not propagate over unused search'
);
# test result class auto-loading
throws_ok (
sub { $rs->result_class ('nonexsitant_bogus_class') },
qr/Can't locate nonexsitant_bogus_class.pm/,
'Attempt to load on accessor override',
);
is ($rs->result_class, 'DBICTest::CDSubclass', 'class unchanged');
throws_ok (
sub { $rs->search ({}, { result_class => 'nonexsitant_bogus_class' }) },
qr/Can't locate nonexsitant_bogus_class.pm/,
'Attempt to load on accessor override',
);
is ($rs->result_class, 'DBICTest::CDSubclass', 'class unchanged');
}
sub check_cols_of {
my ($dbic_obj, $datahashref) = @_;
foreach my $col (keys %$datahashref) {
# plain column
if (not ref ($datahashref->{$col}) ) {
is ($datahashref->{$col}, $dbic_obj->get_column($col), 'same value');
}
# related table entry (belongs_to)
elsif (ref ($datahashref->{$col}) eq 'HASH') {
check_cols_of($dbic_obj->$col, $datahashref->{$col});
}
# multiple related entries (has_many)
elsif (ref ($datahashref->{$col}) eq 'ARRAY') {
my @dbic_reltable = $dbic_obj->$col;
my @hashref_reltable = @{$datahashref->{$col}};
is (scalar @hashref_reltable, scalar @dbic_reltable, 'number of related entries');
# for my $index (0..scalar @hashref_reltable) {
for my $index (0..scalar @dbic_reltable) {
my $dbic_reltable_obj = $dbic_reltable[$index];
my $hashref_reltable_entry = $hashref_reltable[$index];
check_cols_of($dbic_reltable_obj, $hashref_reltable_entry);
}
}
}
}
# create a cd without tracks for testing empty has_many relationship
$schema->resultset('CD')->create({ title => 'Silence is golden', artist => 3, year => 2006 });
# order_by to ensure both resultsets have the rows in the same order
# also check result_class-as-an-attribute syntax
my $rs_dbic = $schema->resultset('CD')->search(undef,
{
prefetch => [ qw/ artist tracks / ],
order_by => [ 'me.cdid', 'tracks.position' ],
}
);
my $rs_hashrefinf = $schema->resultset('CD')->search(undef,
{
prefetch => [ qw/ artist tracks / ],
order_by => [ 'me.cdid', 'tracks.position' ],
result_class => 'DBIx::Class::ResultClass::HashRefInflator',
}
);
my @dbic = $rs_dbic->all;
my @hashrefinf = $rs_hashrefinf->all;
for my $index (0 .. $#hashrefinf) {
my $dbic_obj = $dbic[$index];
my $datahashref = $hashrefinf[$index];
check_cols_of($dbic_obj, $datahashref);
}
# sometimes for ultra-mega-speed you want to fetch columns in esoteric ways
# check the inflator over a non-fetching join
$rs_dbic = $schema->resultset ('Artist')->search ({ 'me.artistid' => 1}, {
prefetch => { cds => 'tracks' },
order_by => [qw/cds.cdid tracks.trackid/],
});
$rs_hashrefinf = $schema->resultset ('Artist')->search ({ 'me.artistid' => 1}, {
join => { cds => 'tracks' },
select => [qw/name tracks.title tracks.cd /],
as => [qw/name cds.tracks.title cds.tracks.cd /],
order_by => [qw/cds.cdid tracks.trackid/],
result_class => 'DBIx::Class::ResultClass::HashRefInflator',
});
@dbic = map { $_->tracks->all } ($rs_dbic->first->cds->all);
@hashrefinf = $rs_hashrefinf->all;
is (scalar @dbic, scalar @hashrefinf, 'Equal number of tracks fetched');
for my $index (0 .. $#hashrefinf) {
my $track = $dbic[$index];
my $datahashref = $hashrefinf[$index];
is ($track->cd->artist->name, $datahashref->{name}, 'Brought back correct artist');
for my $col (keys %{$datahashref->{cds}{tracks}}) {
is ($track->get_column ($col), $datahashref->{cds}{tracks}{$col}, "Correct track '$col'");
}
}
# check for same query as above but using extended columns syntax
$rs_hashrefinf = $schema->resultset ('Artist')->search ({ 'me.artistid' => 1}, {
join => { cds => 'tracks' },
columns => {name => 'name', 'cds.tracks.title' => 'tracks.title', 'cds.tracks.cd' => 'tracks.cd'},
order_by => [qw/cds.cdid tracks.trackid/],
});
$rs_hashrefinf->result_class('DBIx::Class::ResultClass::HashRefInflator');
is_deeply [$rs_hashrefinf->all], \@hashrefinf, 'Check query using extended columns syntax';
# check nested prefetching of has_many relationships which return nothing
my $artist = $schema->resultset ('Artist')->create ({ name => 'unsuccessful artist without CDs'});
$artist->discard_changes;
my $rs_artists = $schema->resultset ('Artist')->search ({ 'me.artistid' => $artist->id}, {
prefetch => { cds => 'tracks' }, result_class => 'DBIx::Class::ResultClass::HashRefInflator',
});
is_deeply(
[$rs_artists->all],
[{ $artist->get_columns, cds => [] }],
'nested has_many prefetch without entries'
);
done_testing;
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