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