t/000_load.t

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