sub run_tests {
my $schema = shift;
use IO::File;
BEGIN {
eval "use DBD::SQLite";
plan $@
? ( skip_all => 'needs DBD::SQLite for testing' )
: ( tests => 31 );
}
# test the abstract join => SQL generator
my $sa = new DBIC::SQL::Abstract;
my @j = (
{ child => 'person' },
[ { father => 'person' }, { 'father.person_id' => 'child.father_id' }, ],
[ { mother => 'person' }, { 'mother.person_id' => 'child.mother_id' } ],
);
my $match = 'person child JOIN person father ON ( father.person_id = '
. 'child.father_id ) JOIN person mother ON ( mother.person_id '
. '= child.mother_id )'
;
is( $sa->_recurse_from(@j), $match, 'join 1 ok' );
my @j2 = (
{ mother => 'person' },
[ [ { child => 'person' },
[ { father => 'person' },
{ 'father.person_id' => 'child.father_id' }
]
],
{ 'mother.person_id' => 'child.mother_id' }
],
);
$match = 'person mother JOIN (person child JOIN person father ON ('
. ' father.person_id = child.father_id )) ON ( mother.person_id = '
. 'child.mother_id )'
;
is( $sa->_recurse_from(@j2), $match, 'join 2 ok' );
my @j3 = (
{ child => 'person' },
[ { father => 'person', -join_type => 'inner' }, { 'father.person_id' => 'child.father_id' }, ],
[ { mother => 'person', -join_type => 'inner' }, { 'mother.person_id' => 'child.mother_id' } ],
);
$match = 'person child INNER JOIN person father ON ( father.person_id = '
. 'child.father_id ) INNER JOIN person mother ON ( mother.person_id '
. '= child.mother_id )'
;
is( $sa->_recurse_from(@j3), $match, 'join 3 (inner join) ok');
my $rs = $schema->resultset("CD")->search(
{ 'year' => 2001, 'artist.name' => 'Caterwauler McCrae' },
{ from => [ { 'me' => 'cd' },
[
{ artist => 'artist' },
{ 'me.artist' => 'artist.artistid' }
] ] }
);
cmp_ok( $rs->count, '==', 1, "Single record in resultset");
is($rs->first->title, 'Forkful of bees', 'Correct record returned');
$rs = $schema->resultset("CD")->search(
{ 'year' => 2001, 'artist.name' => 'Caterwauler McCrae' },
{ join => 'artist' });
cmp_ok( $rs->count, '==', 1, "Single record in resultset");
is($rs->first->title, 'Forkful of bees', 'Correct record returned');
$rs = $schema->resultset("CD")->search(
{ 'artist.name' => 'We Are Goth',
'liner_notes.notes' => 'Kill Yourself!' },
{ join => [ qw/artist liner_notes/ ] });
cmp_ok( $rs->count, '==', 1, "Single record in resultset");
is($rs->first->title, 'Come Be Depressed With Us', 'Correct record returned');
# when using join attribute, make sure slice()ing all objects has same count as all()
$rs = $schema->resultset("CD")->search(
{ 'artist' => 1 },
{ join => [qw/artist/], order_by => 'artist.name' }
);
cmp_ok( scalar $rs->all, '==', scalar $rs->slice(0, $rs->count - 1), 'slice() with join has same count as all()' );
$rs = $schema->resultset("Artist")->search(
{ 'liner_notes.notes' => 'Kill Yourself!' },
{ join => { 'cds' => 'liner_notes' } });
cmp_ok( $rs->count, '==', 1, "Single record in resultset");
is($rs->first->name, 'We Are Goth', 'Correct record returned');
$rs = $schema->resultset("CD")->search(
{ 'artist.name' => 'Caterwauler McCrae' },
{ prefetch => [ qw/artist liner_notes/ ],
order_by => 'me.cdid' });
cmp_ok($rs->count, '==', 3, 'Correct number of records returned');
# start test for prefetch SELECT count
unlink 't/var/dbic.trace' if -e 't/var/dbic.trace';
DBI->trace(1, 't/var/dbic.trace');
my @cd = $rs->all;
is($cd[0]->title, 'Spoonful of bees', 'First record returned ok');
ok(!defined $cd[0]->liner_notes, 'No prefetch for NULL LEFT join');
is($cd[1]->{_relationship_data}{liner_notes}->notes, 'Buy Whiskey!', 'Prefetch for present LEFT JOIN');
is(ref $cd[1]->liner_notes, 'DBICTest::LinerNotes', 'Prefetch returns correct class');
is($cd[2]->{_inflated_column}{artist}->name, 'Caterwauler McCrae', 'Prefetch on parent object ok');
# count the SELECTs
DBI->trace(0, undef);
my $selects = 0;
my $trace = IO::File->new('t/var/dbic.trace', '<')
or die "Unable to read trace file";
while (<$trace>) {
$selects++ if /SELECT/;
}
$trace->close;
unlink 't/var/dbic.trace';
is($selects, 1, 'prefetch ran only 1 select statement');
# start test for nested prefetch SELECT count
unlink 't/var/dbic.trace' if -e 't/var/dbic.trace';
DBI->trace(1, 't/var/dbic.trace');
$rs = $schema->resultset('Tag')->search(
{},
{
prefetch => { cd => 'artist' }
}
);
my $tag = $rs->first;
is( $tag->cd->title, 'Spoonful of bees', 'step 1 ok for nested prefetch' );
is( $tag->cd->artist->name, 'Caterwauler McCrae', 'step 2 ok for nested prefetch');
# count the SELECTs
DBI->trace(0, undef);
$selects = 0;
$trace = IO::File->new('t/var/dbic.trace', '<')
or die "Unable to read trace file";
while (<$trace>) {
$selects++ if /SELECT(?!.*WHERE 1=0.*)/;
}
$trace->close;
unlink 't/var/dbic.trace';
is($selects, 1, 'nested prefetch ran exactly 1 select statement (excluding column_info)');
$rs = $schema->resultset('Tag')->search(
{},
{
join => { cd => 'artist' },
prefetch => { cd => 'artist' }
}
);
cmp_ok( $rs->count, '>=', 0, 'nested prefetch does not duplicate joins' );
my ($artist) = $schema->resultset("Artist")->search({ 'cds.year' => 2001 },
{ order_by => 'artistid DESC', join => 'cds' });
is($artist->name, 'Random Boy Band', "Join search by object ok");
my @cds = $schema->resultset("CD")->search({ 'liner_notes.notes' => 'Buy Merch!' },
{ join => 'liner_notes' });
cmp_ok(scalar @cds, '==', 1, "Single CD retrieved via might_have");
is($cds[0]->title, "Generic Manufactured Singles", "Correct CD retrieved");
my @artists = $schema->resultset("Artist")->search({ 'tags.tag' => 'Shiny' },
{ join => { 'cds' => 'tags' } });
cmp_ok( @artists, '==', 2, "two-join search ok" );
$rs = $schema->resultset("CD")->search(
{},
{ group_by => [qw/ title me.cdid /] }
);
cmp_ok( $rs->count, '==', 5, "count() ok after group_by on main pk" );
cmp_ok( scalar $rs->all, '==', 5, "all() returns same count as count() after group_by on main pk" );
$rs = $schema->resultset("CD")->search(
{},
{ join => [qw/ artist /], group_by => [qw/ artist.name /] }
);
cmp_ok( $rs->count, '==', 3, "count() ok after group_by on related column" );
cmp_ok( scalar $rs->all, '==', 3, "all() returns same count as count() after group_by on related column" );
}
1;