t/cmop/load.t

   1 use strict;
   2 use warnings;
   3
   4 use Test::More;
   5
   6 use Class::Load qw(is_class_loaded);
   7
   8 BEGIN {
   9     use_ok('Class::MOP');
  10     use_ok('Class::MOP::Mixin');
  11     use_ok('Class::MOP::Mixin::AttributeCore');
  12     use_ok('Class::MOP::Mixin::HasAttributes');
  13     use_ok('Class::MOP::Mixin::HasMethods');
  14     use_ok('Class::MOP::Package');
  15     use_ok('Class::MOP::Module');
  16     use_ok('Class::MOP::Class');
  17     use_ok('Class::MOP::Class::Immutable::Trait');
  18     use_ok('Class::MOP::Method');
  19     use_ok('Class::MOP::Method');
  20     use_ok('Class::MOP::Method::Wrapped');
  21     use_ok('Class::MOP::Method::Inlined');
  22     use_ok('Class::MOP::Method::Generated');
  23     use_ok('Class::MOP::Method::Accessor');
  24     use_ok('Class::MOP::Method::Constructor');
  25     use_ok('Class::MOP::Method::Meta');
  26     use_ok('Class::MOP::Instance');
  27     use_ok('Class::MOP::Object');
  28 }
  29
  30 # make sure we are tracking metaclasses correctly
  31
  32 my %METAS = (
  33     'Class::MOP::Attribute'         => Class::MOP::Attribute->meta,
  34     'Class::MOP::Method::Inlined' => Class::MOP::Method::Inlined->meta,
  35     'Class::MOP::Method::Generated' => Class::MOP::Method::Generated->meta,
  36     'Class::MOP::Method::Accessor'  => Class::MOP::Method::Accessor->meta,
  37     'Class::MOP::Method::Constructor' => Class::MOP::Method::Constructor->meta,
  38     'Class::MOP::Method::Meta' => Class::MOP::Method::Meta->meta,
  39     'Class::MOP::Mixin'   => Class::MOP::Mixin->meta,
  40     'Class::MOP::Mixin::AttributeCore'   => Class::MOP::Mixin::AttributeCore->meta,
  41     'Class::MOP::Mixin::HasAttributes'   => Class::MOP::Mixin::HasAttributes->meta,
  42     'Class::MOP::Mixin::HasMethods'      => Class::MOP::Mixin::HasMethods->meta,
  43     'Class::MOP::Package'         => Class::MOP::Package->meta,
  44     'Class::MOP::Module'          => Class::MOP::Module->meta,
  45     'Class::MOP::Class'           => Class::MOP::Class->meta,
  46     'Class::MOP::Method'          => Class::MOP::Method->meta,
  47     'Class::MOP::Method::Wrapped' => Class::MOP::Method::Wrapped->meta,
  48     'Class::MOP::Instance'        => Class::MOP::Instance->meta,
  49     'Class::MOP::Object'          => Class::MOP::Object->meta,
  50     'Class::MOP::Class::Immutable::Trait' => Class::MOP::class_of('Class::MOP::Class::Immutable::Trait'),
  51     'Class::MOP::Class::Immutable::Class::MOP::Class' => Class::MOP::Class::Immutable::Class::MOP::Class->meta,
  52 );
  53
  54 ok( is_class_loaded($_), '... ' . $_ . ' is loaded' )
  55     for keys %METAS;
  56
  57 for my $meta (values %METAS) {
  58     # the trait shouldn't be made immutable, it doesn't actually do anything,
  59     # and it doesn't even matter because it's not a class that will be
  60     # instantiated
  61     if ($meta->name eq 'Class::MOP::Class::Immutable::Trait') {
  62         ok( $meta->is_mutable(), '... ' . $meta->name . ' is mutable' );
  63     }
  64     else {
  65         ok( $meta->is_immutable(), '... ' . $meta->name . ' is immutable' );
  66     }
  67 }
  68
  69 is_deeply(
  70     {Class::MOP::get_all_metaclasses},
  71     \%METAS,
  72     '... got all the metaclasses'
  73 );
  74
  75 is_deeply(
  76     [
  77         sort { $a->name cmp $b->name } Class::MOP::get_all_metaclass_instances
  78     ],
  79     [
  80         Class::MOP::Attribute->meta,
  81         Class::MOP::Class->meta,
  82         Class::MOP::Class::Immutable::Class::MOP::Class->meta,
  83         Class::MOP::class_of('Class::MOP::Class::Immutable::Trait'),
  84         Class::MOP::Instance->meta,
  85         Class::MOP::Method->meta,
  86         Class::MOP::Method::Accessor->meta,
  87         Class::MOP::Method::Constructor->meta,
  88         Class::MOP::Method::Generated->meta,
  89         Class::MOP::Method::Inlined->meta,
  90         Class::MOP::Method::Meta->meta,
  91         Class::MOP::Method::Wrapped->meta,
  92         Class::MOP::Mixin->meta,
  93         Class::MOP::Mixin::AttributeCore->meta,
  94         Class::MOP::Mixin::HasAttributes->meta,
  95         Class::MOP::Mixin::HasMethods->meta,
  96         Class::MOP::Module->meta,
  97         Class::MOP::Object->meta,
  98         Class::MOP::Package->meta,
  99     ],
 100     '... got all the metaclass instances'
 101 );
 102
 103 is_deeply(
 104     [ sort { $a cmp $b } Class::MOP::get_all_metaclass_names() ],
 105     [
 106         sort qw/
 107             Class::MOP::Attribute
 108             Class::MOP::Class
 109             Class::MOP::Class::Immutable::Class::MOP::Class
 110             Class::MOP::Class::Immutable::Trait
 111             Class::MOP::Mixin
 112             Class::MOP::Mixin::AttributeCore
 113             Class::MOP::Mixin::HasAttributes
 114             Class::MOP::Mixin::HasMethods
 115             Class::MOP::Instance
 116             Class::MOP::Method
 117             Class::MOP::Method::Accessor
 118             Class::MOP::Method::Constructor
 119             Class::MOP::Method::Generated
 120             Class::MOP::Method::Inlined
 121             Class::MOP::Method::Wrapped
 122             Class::MOP::Method::Meta
 123             Class::MOP::Module
 124             Class::MOP::Object
 125             Class::MOP::Package
 126             /,
 127     ],
 128     '... got all the metaclass names'
 129 );
 130
 131 # testing the meta-circularity of the system
 132
 133 is(
 134     Class::MOP::Class->meta->meta, Class::MOP::Class->meta->meta->meta,
 135     '... Class::MOP::Class->meta->meta == Class::MOP::Class->meta->meta->meta'
 136 );
 137
 138 is(
 139     Class::MOP::Class->meta->meta->meta, Class::MOP::Class->meta->meta->meta->meta,
 140     '... Class::MOP::Class->meta->meta->meta == Class::MOP::Class->meta->meta->meta->meta'
 141 );
 142
 143 is(
 144     Class::MOP::Class->meta->meta, Class::MOP::Class->meta->meta->meta->meta,
 145     '... Class::MOP::Class->meta->meta == Class::MOP::Class->meta->meta->meta->meta'
 146 );
 147
 148 is(
 149     Class::MOP::Class->meta->meta, Class::MOP::Class->meta->meta->meta->meta->meta,
 150     '... Class::MOP::Class->meta->meta == Class::MOP::Class->meta->meta->meta->meta->meta'
 151 );
 152
 153 isa_ok(Class::MOP::Class->meta, 'Class::MOP::Class');
 154
 155 done_testing;