[gitmo/Class-MOP.git] / t / 073_make_mutable.t

use strict;
use warnings;

use Test::More tests => 101;
use Test::Exception;

use Scalar::Util;

use Class::MOP;

{
    package Foo;

    use strict;
    use warnings;
    use metaclass;

    __PACKAGE__->meta->add_attribute('bar');

    package Bar;

    use strict;
    use warnings;
    use metaclass;

    __PACKAGE__->meta->superclasses('Foo');

    __PACKAGE__->meta->add_attribute('baz');

    package Baz;

    use strict;
    use warnings;
    use metaclass;

    __PACKAGE__->meta->superclasses('Bar');

    __PACKAGE__->meta->add_attribute('bah');
}

{
    my $meta = Baz->meta;
    is($meta->name, 'Baz', '... checking the Baz metaclass');
    my @orig_keys = sort grep { !/^_/ } keys %$meta;

    lives_ok {$meta->make_immutable; } '... changed Baz to be immutable';
    ok(!$meta->is_mutable,              '... our class is no longer mutable');
    ok($meta->is_immutable,             '... our class is now immutable');
    ok(!$meta->make_immutable,          '... make immutable now returns nothing');
    ok($meta->get_method_map->{new},    '... inlined constructor created');
    ok($meta->has_method('new'),        '... inlined constructor created for sure');    
    ok($meta->get_immutable_transformer->inlined_constructor,
       '... transformer says it did inline the constructor');

    lives_ok { $meta->make_mutable; }  '... changed Baz to be mutable';
    ok($meta->is_mutable,               '... our class is mutable');
    ok(!$meta->is_immutable,            '... our class is not immutable');
    ok(!$meta->make_mutable,            '... make mutable now returns nothing');
    ok(!$meta->get_method_map->{new},   '... inlined constructor removed');
    ok(!$meta->has_method('new'),        '... inlined constructor removed for sure');    
    ok(!$meta->get_immutable_transformer->inlined_constructor,
       '... transformer says it did not inline the constructor');

    my @new_keys = sort grep { !/^_/ } keys %$meta;
    is_deeply(\@orig_keys, \@new_keys, '... no straneous hashkeys');

    isa_ok($meta, 'Class::MOP::Class', '... Baz->meta isa Class::MOP::Class');

    ok( $meta->add_method('xyz', sub{'xxx'}), '... added method');
    is( Baz->xyz, 'xxx',                      '... method xyz works');

    ok($meta->add_attribute('fickle', accessor => 'fickle'), '... added attribute');
    ok(Baz->can('fickle'),                '... Baz can fickle');
    ok($meta->remove_attribute('fickle'), '... removed attribute');

    my $reef = \ 'reef';
    ok($meta->add_package_symbol('$ref', $reef),      '... added package symbol');
    is($meta->get_package_symbol('$ref'), $reef,      '... values match');
    lives_ok { $meta->remove_package_symbol('$ref') } '... removed it';
    isnt($meta->get_package_symbol('$ref'), $reef,    '... values match');

    ok( my @supers = $meta->superclasses,       '... got the superclasses okay');
    ok( $meta->superclasses('Foo'),             '... set the superclasses');
    is_deeply(['Foo'], [$meta->superclasses],   '... set the superclasses okay');
    ok( $meta->superclasses( @supers ),         '... reset superclasses');
    is_deeply([@supers], [$meta->superclasses], '... reset the superclasses okay');

    ok( $meta->$_  , "... ${_} works")
      for qw(get_meta_instance       compute_all_applicable_attributes
             class_precedence_list  get_method_map );

    lives_ok {$meta->make_immutable; } '... changed Baz to be immutable again';
    ok($meta->get_method_map->{new},    '... inlined constructor recreated');
}

{
    my $meta = Baz->meta;

    lives_ok { $meta->make_immutable() } 'Changed Baz to be immutable';
    lives_ok { $meta->make_mutable() }   '... changed Baz to be mutable';
    lives_ok { $meta->make_immutable() } '... changed Baz to be immutable';

    dies_ok{ $meta->add_method('xyz', sub{'xxx'})  } '... exception thrown as expected';

    dies_ok {
      $meta->add_attribute('fickle', accessor => 'fickle')
    }  '... exception thrown as expected';
    dies_ok { $meta->remove_attribute('fickle') } '... exception thrown as expected';

    my $reef = \ 'reef';
    dies_ok { $meta->add_package_symbol('$ref', $reef) } '... exception thrown as expected';
    dies_ok { $meta->remove_package_symbol('$ref')     } '... exception thrown as expected';

    ok( my @supers = $meta->superclasses,  '... got the superclasses okay');
    dies_ok { $meta->superclasses('Foo') } '... set the superclasses';

    ok( $meta->$_  , "... ${_} works")
      for qw(get_meta_instance       compute_all_applicable_attributes
             class_precedence_list  get_method_map );
}

{

    ok(Baz->meta->is_immutable,  'Superclass is immutable');
    my $meta = Baz->meta->create_anon_class(superclasses => ['Baz']);
    my @orig_keys  = sort grep { !/^_/ } keys %$meta;
    my @orig_meths = sort { $a->name cmp $b->name }
      $meta->get_all_methods;
    ok($meta->is_anon_class,                  'We have an anon metaclass');
    ok($meta->is_mutable,  '... our anon class is mutable');
    ok(!$meta->is_immutable,  '... our anon class is not immutable');

    lives_ok {$meta->make_immutable(
                                    inline_accessor    => 1,
                                    inline_destructor  => 0,
                                    inline_constructor => 1,
                                   )
            } '... changed class to be immutable';
    ok(!$meta->is_mutable,                    '... our class is no longer mutable');
    ok($meta->is_immutable,                   '... our class is now immutable');
    ok(!$meta->make_immutable,                '... make immutable now returns nothing');

    lives_ok { $meta->make_mutable }  '... changed Baz to be mutable';
    ok($meta->is_mutable,             '... our class is mutable');
    ok(!$meta->is_immutable,          '... our class is not immutable');
    ok(!$meta->make_mutable,          '... make mutable now returns nothing');
    ok($meta->is_anon_class,          '... still marked as an anon class');
    my $instance = $meta->new_object;

    my @new_keys  = sort grep { !/^_/ } keys %$meta;
    my @new_meths = sort { $a->name cmp $b->name }
      $meta->get_all_methods;
    is_deeply(\@orig_keys, \@new_keys, '... no straneous hashkeys');
    is_deeply(\@orig_meths, \@new_meths, '... no straneous methods');

    isa_ok($meta, 'Class::MOP::Class', '... Anon class isa Class::MOP::Class');

    ok( $meta->add_method('xyz', sub{'xxx'}), '... added method');
    is( $instance->xyz , 'xxx',               '... method xyz works');
    ok( $meta->remove_method('xyz'),          '... removed method');

    ok($meta->add_attribute('fickle', accessor => 'fickle'), '... added attribute');
    ok($instance->can('fickle'),          '... instance can fickle');
    ok($meta->remove_attribute('fickle'), '... removed attribute');

    my $reef = \ 'reef';
    ok($meta->add_package_symbol('$ref', $reef),      '... added package symbol');
    is($meta->get_package_symbol('$ref'), $reef,      '... values match');
    lives_ok { $meta->remove_package_symbol('$ref') } '... removed it';
    isnt($meta->get_package_symbol('$ref'), $reef,    '... values match');

    ok( my @supers = $meta->superclasses,       '... got the superclasses okay');
    ok( $meta->superclasses('Foo'),             '... set the superclasses');
    is_deeply(['Foo'], [$meta->superclasses],   '... set the superclasses okay');
    ok( $meta->superclasses( @supers ),         '... reset superclasses');
    is_deeply([@supers], [$meta->superclasses], '... reset the superclasses okay');

    ok( $meta->$_  , "... ${_} works")
      for qw(get_meta_instance       compute_all_applicable_attributes
             class_precedence_list  get_method_map );
};


#rerun the same tests on an anon class.. just cause we can.
{
    my $meta = Baz->meta->create_anon_class(superclasses => ['Baz']);

    lives_ok {$meta->make_immutable(
                                    inline_accessor    => 1,
                                    inline_destructor  => 0,
                                    inline_constructor => 1,
                                   )
            } '... changed class to be immutable';
    lives_ok { $meta->make_mutable() }   '... changed class to be mutable';
    lives_ok {$meta->make_immutable  } '... changed class to be immutable';

    dies_ok{ $meta->add_method('xyz', sub{'xxx'})  } '... exception thrown as expected';

    dies_ok {
      $meta->add_attribute('fickle', accessor => 'fickle')
    }  '... exception thrown as expected';
    dies_ok { $meta->remove_attribute('fickle') } '... exception thrown as expected';

    my $reef = \ 'reef';
    dies_ok { $meta->add_package_symbol('$ref', $reef) } '... exception thrown as expected';
    dies_ok { $meta->remove_package_symbol('$ref')     } '... exception thrown as expected';

    ok( my @supers = $meta->superclasses,  '... got the superclasses okay');
    dies_ok { $meta->superclasses('Foo') } '... set the superclasses';

    ok( $meta->$_  , "... ${_} works")
      for qw(get_meta_instance       compute_all_applicable_attributes
             class_precedence_list  get_method_map );
}

{
    Foo->meta->make_immutable;
    Bar->meta->make_immutable;
    Bar->meta->make_mutable;

    isnt( Foo->meta->get_immutable_transformer, Bar->meta->get_immutable_transformer,
          'Foo and Bar should have different immutable transformer objects' );
}
Commit	Line	Data
0ac992ee	1	use strict;
	2	use warnings;
	3
070cb0d6	4	use Test::More tests => 101;
0ac992ee	5	use Test::Exception;
	6
	7	use Scalar::Util;
	8
efd3d14c	9	use Class::MOP;
0ac992ee	10
	11	{
	12	package Foo;
	13
	14	use strict;
	15	use warnings;
	16	use metaclass;
	17
	18	__PACKAGE__->meta->add_attribute('bar');
	19
	20	package Bar;
	21
	22	use strict;
	23	use warnings;
	24	use metaclass;
	25
	26	__PACKAGE__->meta->superclasses('Foo');
	27
	28	__PACKAGE__->meta->add_attribute('baz');
	29
	30	package Baz;
	31
	32	use strict;
	33	use warnings;
	34	use metaclass;
	35
	36	__PACKAGE__->meta->superclasses('Bar');
	37
	38	__PACKAGE__->meta->add_attribute('bah');
	39	}
	40
	41	{
	42	my $meta = Baz->meta;
	43	is($meta->name, 'Baz', '... checking the Baz metaclass');
f3938c21	44	my @orig_keys = sort grep { !/^_/ } keys %$meta;
0ac992ee	45
04dd7510	46	lives_ok {$meta->make_immutable; } '... changed Baz to be immutable';
0ac992ee	47	ok(!$meta->is_mutable, '... our class is no longer mutable');
	48	ok($meta->is_immutable, '... our class is now immutable');
	49	ok(!$meta->make_immutable, '... make immutable now returns nothing');
229910b5	50	ok($meta->get_method_map->{new}, '... inlined constructor created');
46b23b44	51	ok($meta->has_method('new'), '... inlined constructor created for sure');
c1809cb1	52	ok($meta->get_immutable_transformer->inlined_constructor,
c1809cb1	53	'... transformer says it did inline the constructor');
0ac992ee	54
04dd7510	55	lives_ok { $meta->make_mutable; } '... changed Baz to be mutable';
0ac992ee	56	ok($meta->is_mutable, '... our class is mutable');
	57	ok(!$meta->is_immutable, '... our class is not immutable');
	58	ok(!$meta->make_mutable, '... make mutable now returns nothing');
229910b5	59	ok(!$meta->get_method_map->{new}, '... inlined constructor removed');
46b23b44	60	ok(!$meta->has_method('new'), '... inlined constructor removed for sure');
c1809cb1	61	ok(!$meta->get_immutable_transformer->inlined_constructor,
c1809cb1	62	'... transformer says it did not inline the constructor');
0ac992ee	63
f3938c21	64	my @new_keys = sort grep { !/^_/ } keys %$meta;
0ac992ee	65	is_deeply(\@orig_keys, \@new_keys, '... no straneous hashkeys');
	66
	67	isa_ok($meta, 'Class::MOP::Class', '... Baz->meta isa Class::MOP::Class');
	68
	69	ok( $meta->add_method('xyz', sub{'xxx'}), '... added method');
	70	is( Baz->xyz, 'xxx', '... method xyz works');
46b23b44	71
0ac992ee	72	ok($meta->add_attribute('fickle', accessor => 'fickle'), '... added attribute');
	73	ok(Baz->can('fickle'), '... Baz can fickle');
	74	ok($meta->remove_attribute('fickle'), '... removed attribute');
	75
	76	my $reef = \ 'reef';
	77	ok($meta->add_package_symbol('$ref', $reef), '... added package symbol');
	78	is($meta->get_package_symbol('$ref'), $reef, '... values match');
	79	lives_ok { $meta->remove_package_symbol('$ref') } '... removed it';
	80	isnt($meta->get_package_symbol('$ref'), $reef, '... values match');
	81
	82	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	83	ok( $meta->superclasses('Foo'), '... set the superclasses');
	84	is_deeply(['Foo'], [$meta->superclasses], '... set the superclasses okay');
	85	ok( $meta->superclasses( @supers ), '... reset superclasses');
	86	is_deeply([@supers], [$meta->superclasses], '... reset the superclasses okay');
	87
	88	ok( $meta->$_ , "... ${_} works")
	89	for qw(get_meta_instance compute_all_applicable_attributes
	90	class_precedence_list get_method_map );
229910b5	91
	92	lives_ok {$meta->make_immutable; } '... changed Baz to be immutable again';
	93	ok($meta->get_method_map->{new}, '... inlined constructor recreated');
0ac992ee	94	}
	95
	96	{
	97	my $meta = Baz->meta;
	98
	99	lives_ok { $meta->make_immutable() } 'Changed Baz to be immutable';
	100	lives_ok { $meta->make_mutable() } '... changed Baz to be mutable';
	101	lives_ok { $meta->make_immutable() } '... changed Baz to be immutable';
	102
	103	dies_ok{ $meta->add_method('xyz', sub{'xxx'}) } '... exception thrown as expected';
0ac992ee	104
	105	dies_ok {
	106	$meta->add_attribute('fickle', accessor => 'fickle')
	107	} '... exception thrown as expected';
	108	dies_ok { $meta->remove_attribute('fickle') } '... exception thrown as expected';
	109
	110	my $reef = \ 'reef';
	111	dies_ok { $meta->add_package_symbol('$ref', $reef) } '... exception thrown as expected';
	112	dies_ok { $meta->remove_package_symbol('$ref') } '... exception thrown as expected';
	113
	114	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	115	dies_ok { $meta->superclasses('Foo') } '... set the superclasses';
	116
	117	ok( $meta->$_ , "... ${_} works")
	118	for qw(get_meta_instance compute_all_applicable_attributes
	119	class_precedence_list get_method_map );
	120	}
	121
0ac992ee	122	{
0ac992ee	123
d9586da2	124	ok(Baz->meta->is_immutable, 'Superclass is immutable');
0ac992ee	125	my $meta = Baz->meta->create_anon_class(superclasses => ['Baz']);
f3938c21	126	my @orig_keys = sort grep { !/^_/ } keys %$meta;
070cb0d6	127	my @orig_meths = sort { $a->name cmp $b->name }
070cb0d6	128	$meta->get_all_methods;
0ac992ee	129	ok($meta->is_anon_class, 'We have an anon metaclass');
d9586da2	130	ok($meta->is_mutable, '... our anon class is mutable');
	131	ok(!$meta->is_immutable, '... our anon class is not immutable');
	132
0ac992ee	133	lives_ok {$meta->make_immutable(
	134	inline_accessor => 1,
	135	inline_destructor => 0,
	136	inline_constructor => 1,
	137	)
	138	} '... changed class to be immutable';
	139	ok(!$meta->is_mutable, '... our class is no longer mutable');
	140	ok($meta->is_immutable, '... our class is now immutable');
	141	ok(!$meta->make_immutable, '... make immutable now returns nothing');
	142
	143	lives_ok { $meta->make_mutable } '... changed Baz to be mutable';
	144	ok($meta->is_mutable, '... our class is mutable');
	145	ok(!$meta->is_immutable, '... our class is not immutable');
	146	ok(!$meta->make_mutable, '... make mutable now returns nothing');
	147	ok($meta->is_anon_class, '... still marked as an anon class');
	148	my $instance = $meta->new_object;
	149
f3938c21	150	my @new_keys = sort grep { !/^_/ } keys %$meta;
070cb0d6	151	my @new_meths = sort { $a->name cmp $b->name }
070cb0d6	152	$meta->get_all_methods;
0ac992ee	153	is_deeply(\@orig_keys, \@new_keys, '... no straneous hashkeys');
	154	is_deeply(\@orig_meths, \@new_meths, '... no straneous methods');
	155
	156	isa_ok($meta, 'Class::MOP::Class', '... Anon class isa Class::MOP::Class');
	157
	158	ok( $meta->add_method('xyz', sub{'xxx'}), '... added method');
	159	is( $instance->xyz , 'xxx', '... method xyz works');
0ac992ee	160	ok( $meta->remove_method('xyz'), '... removed method');
0ac992ee	161
	162	ok($meta->add_attribute('fickle', accessor => 'fickle'), '... added attribute');
	163	ok($instance->can('fickle'), '... instance can fickle');
	164	ok($meta->remove_attribute('fickle'), '... removed attribute');
	165
	166	my $reef = \ 'reef';
	167	ok($meta->add_package_symbol('$ref', $reef), '... added package symbol');
	168	is($meta->get_package_symbol('$ref'), $reef, '... values match');
	169	lives_ok { $meta->remove_package_symbol('$ref') } '... removed it';
	170	isnt($meta->get_package_symbol('$ref'), $reef, '... values match');
	171
	172	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	173	ok( $meta->superclasses('Foo'), '... set the superclasses');
	174	is_deeply(['Foo'], [$meta->superclasses], '... set the superclasses okay');
	175	ok( $meta->superclasses( @supers ), '... reset superclasses');
	176	is_deeply([@supers], [$meta->superclasses], '... reset the superclasses okay');
	177
	178	ok( $meta->$_ , "... ${_} works")
	179	for qw(get_meta_instance compute_all_applicable_attributes
	180	class_precedence_list get_method_map );
	181	};
	182
	183
	184	#rerun the same tests on an anon class.. just cause we can.
	185	{
	186	my $meta = Baz->meta->create_anon_class(superclasses => ['Baz']);
	187
	188	lives_ok {$meta->make_immutable(
	189	inline_accessor => 1,
	190	inline_destructor => 0,
	191	inline_constructor => 1,
	192	)
	193	} '... changed class to be immutable';
	194	lives_ok { $meta->make_mutable() } '... changed class to be mutable';
	195	lives_ok {$meta->make_immutable } '... changed class to be immutable';
	196
	197	dies_ok{ $meta->add_method('xyz', sub{'xxx'}) } '... exception thrown as expected';
0ac992ee	198
	199	dies_ok {
	200	$meta->add_attribute('fickle', accessor => 'fickle')
	201	} '... exception thrown as expected';
	202	dies_ok { $meta->remove_attribute('fickle') } '... exception thrown as expected';
	203
	204	my $reef = \ 'reef';
	205	dies_ok { $meta->add_package_symbol('$ref', $reef) } '... exception thrown as expected';
	206	dies_ok { $meta->remove_package_symbol('$ref') } '... exception thrown as expected';
	207
	208	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	209	dies_ok { $meta->superclasses('Foo') } '... set the superclasses';
	210
	211	ok( $meta->$_ , "... ${_} works")
	212	for qw(get_meta_instance compute_all_applicable_attributes
	213	class_precedence_list get_method_map );
	214	}
d89108ab	215
	216	{
	217	Foo->meta->make_immutable;
	218	Bar->meta->make_immutable;
	219	Bar->meta->make_mutable;
	220
	221	isnt( Foo->meta->get_immutable_transformer, Bar->meta->get_immutable_transformer,
	222	'Foo and Bar should have different immutable transformer objects' );
	223	}