t/000_load.t

   1 use strict;
   2 use warnings;
   3
   4 use Test::More tests => 49;
   5
   6 BEGIN {
   7     use_ok('Class::MOP');
   8     use_ok('Class::MOP::Package');
   9     use_ok('Class::MOP::Module');
  10     use_ok('Class::MOP::Class');
  11     use_ok('Class::MOP::Class::Immutable::Trait');
  12     use_ok('Class::MOP::Attribute');
  13     use_ok('Class::MOP::Method');
  14     use_ok('Class::MOP::Method::Wrapped');
  15     use_ok('Class::MOP::Method::Inlined');
  16     use_ok('Class::MOP::Method::Generated');
  17     use_ok('Class::MOP::Method::Accessor');
  18     use_ok('Class::MOP::Method::Constructor');
  19     use_ok('Class::MOP::Instance');
  20     use_ok('Class::MOP::Object');
  21 }
  22
  23 # make sure we are tracking metaclasses correctly
  24
  25 my %METAS = (
  26     'Class::MOP::Attribute'         => Class::MOP::Attribute->meta,
  27     'Class::MOP::Method::Inlined' => Class::MOP::Method::Inlined->meta,
  28     'Class::MOP::Method::Generated' => Class::MOP::Method::Generated->meta,
  29     'Class::MOP::Method::Accessor'  => Class::MOP::Method::Accessor->meta,
  30     'Class::MOP::Method::Constructor' =>
  31         Class::MOP::Method::Constructor->meta,
  32     'Class::MOP::Package'         => Class::MOP::Package->meta,
  33     'Class::MOP::Module'          => Class::MOP::Module->meta,
  34     'Class::MOP::Class'           => Class::MOP::Class->meta,
  35     'Class::MOP::Method'          => Class::MOP::Method->meta,
  36     'Class::MOP::Method::Wrapped' => Class::MOP::Method::Wrapped->meta,
  37     'Class::MOP::Instance'        => Class::MOP::Instance->meta,
  38     'Class::MOP::Object'          => Class::MOP::Object->meta,
  39     'Class::MOP::Class::Immutable::Trait' => Class::MOP::Class::Immutable::Trait->meta,
  40     'Class::MOP::Class::Immutable::Class::MOP::Class' => Class::MOP::Class::Immutable::Class::MOP::Class->meta,
  41 );
  42
  43 ok( Class::MOP::is_class_loaded($_), '... ' . $_ . ' is loaded' )
  44     for keys %METAS;
  45
  46 ok( $_->is_immutable(), '... ' . $_->name . ' is immutable' )
  47     for values %METAS;
  48
  49 is_deeply(
  50     {Class::MOP::get_all_metaclasses},
  51     \%METAS,
  52     '... got all the metaclasses'
  53 );
  54
  55 is_deeply(
  56     [
  57         sort { $a->name cmp $b->name } Class::MOP::get_all_metaclass_instances
  58     ],
  59     [
  60         Class::MOP::Attribute->meta,
  61         Class::MOP::Class->meta,
  62         Class::MOP::Class::Immutable::Class::MOP::Class->meta,
  63         Class::MOP::Class::Immutable::Trait->meta,
  64         Class::MOP::Instance->meta,
  65         Class::MOP::Method->meta,
  66         Class::MOP::Method::Accessor->meta,
  67         Class::MOP::Method::Constructor->meta,
  68         Class::MOP::Method::Generated->meta,
  69         Class::MOP::Method::Inlined->meta,
  70         Class::MOP::Method::Wrapped->meta,
  71         Class::MOP::Module->meta,
  72         Class::MOP::Object->meta,
  73         Class::MOP::Package->meta,
  74     ],
  75     '... got all the metaclass instances'
  76 );
  77
  78 is_deeply(
  79     [ sort { $a cmp $b } Class::MOP::get_all_metaclass_names() ],
  80     [
  81         sort qw/
  82             Class::MOP::Attribute
  83             Class::MOP::Class
  84             Class::MOP::Class::Immutable::Class::MOP::Class
  85             Class::MOP::Class::Immutable::Trait
  86             Class::MOP::Instance
  87             Class::MOP::Method
  88             Class::MOP::Method::Accessor
  89             Class::MOP::Method::Constructor
  90             Class::MOP::Method::Generated
  91             Class::MOP::Method::Inlined
  92             Class::MOP::Method::Wrapped
  93             Class::MOP::Module
  94             Class::MOP::Object
  95             Class::MOP::Package
  96             /,
  97     ],
  98     '... got all the metaclass names'
  99 );
 100
 101 # testing the meta-circularity of the system
 102
 103 is(
 104     Class::MOP::Class->meta, Class::MOP::Class->meta->meta,
 105     '... Class::MOP::Class->meta == Class::MOP::Class->meta->meta'
 106 );
 107
 108 is(
 109     Class::MOP::Class->meta->meta, Class::MOP::Class->meta->meta->meta,
 110     '... Class::MOP::Class->meta->meta == Class::MOP::Class->meta->meta->meta'
 111 );
 112
 113 is(
 114     Class::MOP::Class->meta, Class::MOP::Class->meta->meta->meta,
 115     '... Class::MOP::Class->meta == Class::MOP::Class->meta->meta->meta'
 116 );
 117
 118 is(
 119     Class::MOP::Class->meta, Class::MOP::Class->meta->meta->meta->meta,
 120     '... Class::MOP::Class->meta == Class::MOP::Class->meta->meta->meta->meta'
 121 );
 122