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