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|
#!/usr/bin/perl -w
use strict;
use Test::More 'no_plan';
use Test::Exception;
$| = 1;
# =begin testing SETUP
{
package My::Meta::Instance;
use Moose;
# This needs to be in a BEGIN block so to avoid a metaclass
# incompatibility error from Moose. In normal usage,
# My::Meta::Instance would be in a separate file from MyApp::User,
# and this would be a non-issue.
BEGIN { extends 'Moose::Meta::Instance' }
}
# =begin testing SETUP
{
package My::Meta::Instance;
use Scalar::Util qw( weaken );
use Symbol qw( gensym );
use Moose;
extends 'Moose::Meta::Instance';
sub create_instance {
my $self = shift;
my $sym = gensym();
bless $sym, $self->_class_name;
}
sub clone_instance {
my ( $self, $instance ) = @_;
my $new_sym = gensym();
%{*$new_sym} = %{*$instance};
bless $new_sym, $self->_class_name;
}
sub get_slot_value {
my ( $self, $instance, $slot_name ) = @_;
return *$instance->{$slot_name};
}
sub set_slot_value {
my ( $self, $instance, $slot_name, $value ) = @_;
*$instance->{$slot_name} = $value;
}
sub deinitialize_slot {
my ( $self, $instance, $slot_name ) = @_;
delete *$instance->{$slot_name};;
}
sub is_slot_initialized {
my ( $self, $instance, $slot_name, $value ) = @_;
exists *$instance->{$slot_name};;
}
sub weaken_slot_value {
my ( $self, $instance, $slot_name ) = @_;
weaken *$instance->{$slot_name};;
}
sub inline_create_instance {
my ( $self, $class_variable ) = @_;
return 'do { my $sym = Symbol::gensym(); bless $sym, ' . $class_variable . ' }';
}
sub inline_slot_access {
my ( $self, $instance, $slot_name ) = @_;
return '*{' . $instance . '}->{' . $slot_name . '}';
}
package MyApp::User;
use metaclass 'Moose::Meta::Class' =>
( instance_metaclass => 'My::Meta::Instance' );
use Moose;
has 'name' => (
is => 'rw',
isa => 'Str',
);
has 'email' => (
is => 'rw',
isa => 'Str',
);
}
# =begin testing
{
{
package MyApp::Employee;
use Moose;
extends 'MyApp::User';
has 'employee_number' => ( is => 'rw' );
}
for my $x ( 0 .. 1 ) {
MyApp::User->meta->make_immutable if $x;
my $user = MyApp::User->new(
name => 'Faye',
email => 'faye@example.com',
);
ok( eval { *{$user} }, 'user object is an glob ref with some values' );
is( $user->name, 'Faye', 'check name' );
is( $user->email, 'faye@example.com', 'check email' );
$user->name('Ralph');
is( $user->name, 'Ralph', 'check name after changing it' );
$user->email('ralph@example.com');
is( $user->email, 'ralph@example.com', 'check email after changing it' );
}
for my $x ( 0 .. 1 ) {
MyApp::Employee->meta->make_immutable if $x;
my $emp = MyApp::Employee->new(
name => 'Faye',
email => 'faye@example.com',
employee_number => $x,
);
ok( eval { *{$emp} }, 'employee object is an glob ref with some values' );
is( $emp->name, 'Faye', 'check name' );
is( $emp->email, 'faye@example.com', 'check email' );
is( $emp->employee_number, $x, 'check employee_number' );
$emp->name('Ralph');
is( $emp->name, 'Ralph', 'check name after changing it' );
$emp->email('ralph@example.com');
is( $emp->email, 'ralph@example.com', 'check email after changing it' );
$emp->employee_number(42);
is( $emp->employee_number, 42, 'check employee_number after changing it' );
}
}
1;
|
