1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
#!/usr/bin/perl
use strict;
use warnings;
use Test::More;
use Test::Exception;
=pod
This test demonstrates the ability to extend
Moose meta-level classes using Moose itself.
=cut
{
package My::Meta::Class;
use Moose;
extends 'Moose::Meta::Class';
around 'create_anon_class' => sub {
my $next = shift;
my ($self, %options) = @_;
$options{superclasses} = [ 'Moose::Object' ]
unless exists $options{superclasses};
$next->($self, %options);
};
}
my $anon = My::Meta::Class->create_anon_class();
isa_ok($anon, 'My::Meta::Class');
isa_ok($anon, 'Moose::Meta::Class');
isa_ok($anon, 'Class::MOP::Class');
is_deeply(
[ $anon->superclasses ],
[ 'Moose::Object' ],
'... got the default superclasses');
{
package My::Meta::Attribute::DefaultReadOnly;
use Moose;
extends 'Moose::Meta::Attribute';
around 'new' => sub {
my $next = shift;
my ($self, $name, %options) = @_;
$options{is} = 'ro'
unless exists $options{is};
$next->($self, $name, %options);
};
}
{
my $attr = My::Meta::Attribute::DefaultReadOnly->new('foo');
isa_ok($attr, 'My::Meta::Attribute::DefaultReadOnly');
isa_ok($attr, 'Moose::Meta::Attribute');
isa_ok($attr, 'Class::MOP::Attribute');
ok($attr->has_reader, '... the attribute has a reader (as expected)');
ok(!$attr->has_writer, '... the attribute does not have a writer (as expected)');
ok(!$attr->has_accessor, '... the attribute does not have an accessor (as expected)');
}
{
my $attr = My::Meta::Attribute::DefaultReadOnly->new('foo', (is => 'rw'));
isa_ok($attr, 'My::Meta::Attribute::DefaultReadOnly');
isa_ok($attr, 'Moose::Meta::Attribute');
isa_ok($attr, 'Class::MOP::Attribute');
ok(!$attr->has_reader, '... the attribute does not have a reader (as expected)');
ok(!$attr->has_writer, '... the attribute does not have a writer (as expected)');
ok($attr->has_accessor, '... the attribute does have an accessor (as expected)');
}
done_testing;
|
