t/000_load.t

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