t/000_load.t

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