/
18-has_a.t
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/
18-has_a.t
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use strict;
use Test::More;
BEGIN {
eval "use DBIx::Class::CDBICompat;";
if ($@) {
plan (skip_all => 'Class::Trigger and DBIx::ContextualFetch required');
next;
}
eval "use DBD::SQLite";
plan $@ ? (skip_all => 'needs DBD::SQLite for testing') : (tests => 41);
}
use lib 't/cdbi/testlib';
use Film;
use Director;
@YA::Film::ISA = 'Film';
Film->create_test_film;
ok my $btaste = Film->retrieve('Bad Taste'), "We have Bad Taste";
ok my $pj = $btaste->Director, "Bad taste has a director";
ok !ref($pj), ' ... which is not an object';
ok(Film->has_a('Director' => 'Director'), "Link Director table");
ok(
Director->create({
Name => 'Peter Jackson',
Birthday => -300000000,
IsInsane => 1
}
),
'create Director'
);
{
ok $btaste = Film->retrieve('Bad Taste'), "Reretrieve Bad Taste";
ok $pj = $btaste->Director, "Bad taste now hasa() director";
isa_ok $pj => 'Director';
{
no warnings qw(redefine once);
local *Ima::DBI::st::execute =
sub { ::fail("Shouldn't need to query db"); };
is $pj->id, 'Peter Jackson', 'ID already stored';
}
ok $pj->IsInsane, "But we know he's insane";
}
# Oh no! Its Peter Jacksons even twin, Skippy! Born one minute after him.
my $sj = Director->create({
Name => 'Skippy Jackson',
Birthday => (-300000000 + 60),
IsInsane => 1,
});
{
eval { $btaste->Director($btaste) };
like $@, qr/Director/, "Can't set film as director";
is $btaste->Director->id, $pj->id, "PJ still the director";
# drop from cache so that next retrieve() is from db
$btaste->remove_from_object_index;
}
{ # Still inflated after update
my $btaste = Film->retrieve('Bad Taste');
isa_ok $btaste->Director, "Director";
$btaste->numexplodingsheep(17);
$btaste->update;
isa_ok $btaste->Director, "Director";
$btaste->Director('Someone Else');
$btaste->update;
isa_ok $btaste->Director, "Director";
is $btaste->Director->id, "Someone Else", "Can change director";
}
is $sj->id, 'Skippy Jackson', 'Create new director - Skippy';
Film->has_a('CoDirector' => 'Director');
{
eval { $btaste->CoDirector("Skippy Jackson") };
is $@, "", "Auto inflates";
isa_ok $btaste->CoDirector, "Director";
is $btaste->CoDirector->id, $sj->id, "To skippy";
}
$btaste->CoDirector($sj);
$btaste->update;
is($btaste->CoDirector->Name, 'Skippy Jackson', 'He co-directed');
is(
$btaste->Director->Name,
'Peter Jackson',
"Didnt interfere with each other"
);
{ # Inheriting hasa
my $btaste = YA::Film->retrieve('Bad Taste');
is(ref($btaste->Director), 'Director', 'inheriting hasa()');
is(ref($btaste->CoDirector), 'Director', 'inheriting hasa()');
is($btaste->CoDirector->Name, 'Skippy Jackson', ' ... correctly');
}
{
$sj = Director->retrieve('Skippy Jackson');
$pj = Director->retrieve('Peter Jackson');
my $fail;
eval {
$fail = YA::Film->create({
Title => 'Tastes Bad',
Director => $sj,
codirector => $btaste,
Rating => 'R',
NumExplodingSheep => 23
});
};
ok $@, "Can't have film as codirector: $@";
is $fail, undef, "We didn't get anything";
my $tastes_bad = YA::Film->create({
Title => 'Tastes Bad',
Director => $sj,
codirector => $pj,
Rating => 'R',
NumExplodingSheep => 23
});
is($tastes_bad->Director->Name, 'Skippy Jackson', 'Director');
is(
$tastes_bad->_director_accessor->Name,
'Skippy Jackson',
'director_accessor'
);
is($tastes_bad->codirector->Name, 'Peter Jackson', 'codirector');
is(
$tastes_bad->_codirector_accessor->Name,
'Peter Jackson',
'codirector_accessor'
);
}
SKIP: {
skip "Non-standard CDBI relationships not supported by compat", 9;
{
YA::Film->add_relationship_type(has_a => "YA::HasA");
package YA::HasA;
#use base 'Class::DBI::Relationship::HasA';
sub _inflator {
my $self = shift;
my $col = $self->accessor;
my $super = $self->SUPER::_inflator($col);
return $super
unless $col eq $self->class->find_column('Director');
return sub {
my $self = shift;
$self->_attribute_store($col, 'Ghostly Peter')
if $self->_attribute_exists($col)
and not defined $self->_attrs($col);
return &$super($self);
};
}
}
{
package Rating;
sub new {
my ($class, $mpaa, @details) = @_;
bless {
MPAA => $mpaa,
WHY => "@details"
}, $class;
}
sub mpaa { shift->{MPAA}; }
sub why { shift->{WHY}; }
}
local *Director::mapme = sub {
my ($class, $val) = @_;
$val =~ s/Skippy/Peter/;
$val;
};
no warnings 'once';
local *Director::sanity_check = sub { $_[0]->IsInsane ? undef: $_[0] };
YA::Film->has_a(
director => 'Director',
inflate => 'mapme',
deflate => 'sanity_check'
);
YA::Film->has_a(
rating => 'Rating',
inflate => sub {
my ($val, $parent) = @_;
my $sheep = $parent->find_column('NumexplodingSheep');
if ($parent->_attrs($sheep) || 0 > 20) {
return new Rating 'NC17', 'Graphic ovine violence';
} else {
return new Rating $val, 'Just because';
}
},
deflate => sub {
shift->mpaa;
});
my $tbad = YA::Film->retrieve('Tastes Bad');
isa_ok $tbad->Director, 'Director';
is $tbad->Director->Name, 'Peter Jackson', 'Director shuffle';
$tbad->Director('Skippy Jackson');
$tbad->update;
is $tbad->Director, 'Ghostly Peter', 'Sanity checked';
isa_ok $tbad->Rating, 'Rating';
is $tbad->Rating->mpaa, 'NC17', 'Rating bumped';
$tbad->Rating(new Rating 'NS17', 'Shaken sheep');
no warnings 'redefine';
local *Director::mapme = sub {
my ($class, $obj) = @_;
$obj->isa('Film') ? $obj->Director : $obj;
};
$pj->IsInsane(0);
$pj->update; # Hush warnings
ok $tbad->Director($btaste), 'Cross-class mapping';
is $tbad->Director, 'Peter Jackson', 'Yields PJ';
$tbad->update;
$tbad = Film->retrieve('Tastes Bad');
ok !ref($tbad->Rating), 'Unmagical rating';
is $tbad->Rating, 'NS17', 'but prior change stuck';
}
{ # Broken has_a declaration
eval { Film->has_a(driector => "Director") };
like $@, qr/driector/, "Sensible error from has_a with incorrect column: $@";
}