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

#!/usr/bin/perl

use strict;
use warnings;

use Test::More tests => 114;
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->has_method('zxy')             ,'...  we dont have the aliased method yet');    
    ok( $meta->alias_method('zxy',sub{'xxx'}),'... aliased method');
    ok( $meta->has_method('zxy')             ,'...  the aliased method does register');    
    is( Baz->zxy, 'xxx',                      '... method zxy works');
    ok( $meta->remove_method('xyz'),          '... removed method');
    ok( $meta->remove_method('zxy'),          '... removed aliased method');

    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->alias_method('zxy',sub{'xxx'}) } '... exception thrown as expected';
    dies_ok{ $meta->remove_method('zxy')           } '... 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} }
      $meta->compute_all_applicable_methods;
    ok($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->compute_all_applicable_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->alias_method('zxy',sub{'xxx'}),'... aliased method');
    is( $instance->zxy, 'xxx',                '... method zxy works');
    ok( $meta->remove_method('xyz'),          '... removed method');
    ok( $meta->remove_method('zxy'),          '... removed aliased 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->alias_method('zxy',sub{'xxx'}) } '... exception thrown as expected';
    dies_ok{ $meta->remove_method('zxy')           } '... 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	#!/usr/bin/perl
	2
	3	use strict;
	4	use warnings;
	5
d89108ab	6	use Test::More tests => 114;
0ac992ee	7	use Test::Exception;
	8
	9	use Scalar::Util;
	10
efd3d14c	11	use Class::MOP;
0ac992ee	12
	13	{
	14	package Foo;
	15
	16	use strict;
	17	use warnings;
	18	use metaclass;
	19
	20	__PACKAGE__->meta->add_attribute('bar');
	21
	22	package Bar;
	23
	24	use strict;
	25	use warnings;
	26	use metaclass;
	27
	28	__PACKAGE__->meta->superclasses('Foo');
	29
	30	__PACKAGE__->meta->add_attribute('baz');
	31
	32	package Baz;
	33
	34	use strict;
	35	use warnings;
	36	use metaclass;
	37
	38	__PACKAGE__->meta->superclasses('Bar');
	39
	40	__PACKAGE__->meta->add_attribute('bah');
	41	}
	42
	43	{
	44	my $meta = Baz->meta;
	45	is($meta->name, 'Baz', '... checking the Baz metaclass');
f3938c21	46	my @orig_keys = sort grep { !/^_/ } keys %$meta;
0ac992ee	47
04dd7510	48	lives_ok {$meta->make_immutable; } '... changed Baz to be immutable';
0ac992ee	49	ok(!$meta->is_mutable, '... our class is no longer mutable');
	50	ok($meta->is_immutable, '... our class is now immutable');
	51	ok(!$meta->make_immutable, '... make immutable now returns nothing');
229910b5	52	ok($meta->get_method_map->{new}, '... inlined constructor created');
46b23b44	53	ok($meta->has_method('new'), '... inlined constructor created for sure');
c1809cb1	54	ok($meta->get_immutable_transformer->inlined_constructor,
c1809cb1	55	'... transformer says it did inline the constructor');
0ac992ee	56
04dd7510	57	lives_ok { $meta->make_mutable; } '... changed Baz to be mutable';
0ac992ee	58	ok($meta->is_mutable, '... our class is mutable');
	59	ok(!$meta->is_immutable, '... our class is not immutable');
	60	ok(!$meta->make_mutable, '... make mutable now returns nothing');
229910b5	61	ok(!$meta->get_method_map->{new}, '... inlined constructor removed');
46b23b44	62	ok(!$meta->has_method('new'), '... inlined constructor removed for sure');
c1809cb1	63	ok(!$meta->get_immutable_transformer->inlined_constructor,
c1809cb1	64	'... transformer says it did not inline the constructor');
0ac992ee	65
f3938c21	66	my @new_keys = sort grep { !/^_/ } keys %$meta;
0ac992ee	67	is_deeply(\@orig_keys, \@new_keys, '... no straneous hashkeys');
	68
	69	isa_ok($meta, 'Class::MOP::Class', '... Baz->meta isa Class::MOP::Class');
	70
	71	ok( $meta->add_method('xyz', sub{'xxx'}), '... added method');
	72	is( Baz->xyz, 'xxx', '... method xyz works');
46b23b44	73
46b23b44	74	ok(! $meta->has_method('zxy') ,'... we dont have the aliased method yet');
0ac992ee	75	ok( $meta->alias_method('zxy',sub{'xxx'}),'... aliased method');
91b73829	76	ok( $meta->has_method('zxy') ,'... the aliased method does register');
0ac992ee	77	is( Baz->zxy, 'xxx', '... method zxy works');
0ac992ee	78	ok( $meta->remove_method('xyz'), '... removed method');
91b73829	79	ok( $meta->remove_method('zxy'), '... removed aliased method');
0ac992ee	80
	81	ok($meta->add_attribute('fickle', accessor => 'fickle'), '... added attribute');
	82	ok(Baz->can('fickle'), '... Baz can fickle');
	83	ok($meta->remove_attribute('fickle'), '... removed attribute');
	84
	85	my $reef = \ 'reef';
	86	ok($meta->add_package_symbol('$ref', $reef), '... added package symbol');
	87	is($meta->get_package_symbol('$ref'), $reef, '... values match');
	88	lives_ok { $meta->remove_package_symbol('$ref') } '... removed it';
	89	isnt($meta->get_package_symbol('$ref'), $reef, '... values match');
	90
	91	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	92	ok( $meta->superclasses('Foo'), '... set the superclasses');
	93	is_deeply(['Foo'], [$meta->superclasses], '... set the superclasses okay');
	94	ok( $meta->superclasses( @supers ), '... reset superclasses');
	95	is_deeply([@supers], [$meta->superclasses], '... reset the superclasses okay');
	96
	97	ok( $meta->$_ , "... ${_} works")
	98	for qw(get_meta_instance compute_all_applicable_attributes
	99	class_precedence_list get_method_map );
229910b5	100
	101	lives_ok {$meta->make_immutable; } '... changed Baz to be immutable again';
	102	ok($meta->get_method_map->{new}, '... inlined constructor recreated');
0ac992ee	103	}
	104
	105	{
	106	my $meta = Baz->meta;
	107
	108	lives_ok { $meta->make_immutable() } 'Changed Baz to be immutable';
	109	lives_ok { $meta->make_mutable() } '... changed Baz to be mutable';
	110	lives_ok { $meta->make_immutable() } '... changed Baz to be immutable';
	111
	112	dies_ok{ $meta->add_method('xyz', sub{'xxx'}) } '... exception thrown as expected';
	113	dies_ok{ $meta->alias_method('zxy',sub{'xxx'}) } '... exception thrown as expected';
	114	dies_ok{ $meta->remove_method('zxy') } '... exception thrown as expected';
	115
	116	dies_ok {
	117	$meta->add_attribute('fickle', accessor => 'fickle')
	118	} '... exception thrown as expected';
	119	dies_ok { $meta->remove_attribute('fickle') } '... exception thrown as expected';
	120
	121	my $reef = \ 'reef';
	122	dies_ok { $meta->add_package_symbol('$ref', $reef) } '... exception thrown as expected';
	123	dies_ok { $meta->remove_package_symbol('$ref') } '... exception thrown as expected';
	124
	125	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	126	dies_ok { $meta->superclasses('Foo') } '... set the superclasses';
	127
	128	ok( $meta->$_ , "... ${_} works")
	129	for qw(get_meta_instance compute_all_applicable_attributes
	130	class_precedence_list get_method_map );
	131	}
	132
0ac992ee	133	{
0ac992ee	134
d9586da2	135	ok(Baz->meta->is_immutable, 'Superclass is immutable');
0ac992ee	136	my $meta = Baz->meta->create_anon_class(superclasses => ['Baz']);
f3938c21	137	my @orig_keys = sort grep { !/^_/ } keys %$meta;
04dd7510	138	my @orig_meths = sort { $a->{name} cmp $b->{name} }
04dd7510	139	$meta->compute_all_applicable_methods;
0ac992ee	140	ok($meta->is_anon_class, 'We have an anon metaclass');
d9586da2	141	ok($meta->is_mutable, '... our anon class is mutable');
	142	ok(!$meta->is_immutable, '... our anon class is not immutable');
	143
0ac992ee	144	lives_ok {$meta->make_immutable(
	145	inline_accessor => 1,
	146	inline_destructor => 0,
	147	inline_constructor => 1,
	148	)
	149	} '... changed class to be immutable';
	150	ok(!$meta->is_mutable, '... our class is no longer mutable');
	151	ok($meta->is_immutable, '... our class is now immutable');
	152	ok(!$meta->make_immutable, '... make immutable now returns nothing');
	153
	154	lives_ok { $meta->make_mutable } '... changed Baz to be mutable';
	155	ok($meta->is_mutable, '... our class is mutable');
	156	ok(!$meta->is_immutable, '... our class is not immutable');
	157	ok(!$meta->make_mutable, '... make mutable now returns nothing');
	158	ok($meta->is_anon_class, '... still marked as an anon class');
	159	my $instance = $meta->new_object;
	160
f3938c21	161	my @new_keys = sort grep { !/^_/ } keys %$meta;
04dd7510	162	my @new_meths = sort { $a->{name} cmp $b->{name} }
04dd7510	163	$meta->compute_all_applicable_methods;
0ac992ee	164	is_deeply(\@orig_keys, \@new_keys, '... no straneous hashkeys');
	165	is_deeply(\@orig_meths, \@new_meths, '... no straneous methods');
	166
	167	isa_ok($meta, 'Class::MOP::Class', '... Anon class isa Class::MOP::Class');
	168
	169	ok( $meta->add_method('xyz', sub{'xxx'}), '... added method');
	170	is( $instance->xyz , 'xxx', '... method xyz works');
	171	ok( $meta->alias_method('zxy',sub{'xxx'}),'... aliased method');
	172	is( $instance->zxy, 'xxx', '... method zxy works');
	173	ok( $meta->remove_method('xyz'), '... removed method');
91b73829	174	ok( $meta->remove_method('zxy'), '... removed aliased method');
0ac992ee	175
	176	ok($meta->add_attribute('fickle', accessor => 'fickle'), '... added attribute');
	177	ok($instance->can('fickle'), '... instance can fickle');
	178	ok($meta->remove_attribute('fickle'), '... removed attribute');
	179
	180	my $reef = \ 'reef';
	181	ok($meta->add_package_symbol('$ref', $reef), '... added package symbol');
	182	is($meta->get_package_symbol('$ref'), $reef, '... values match');
	183	lives_ok { $meta->remove_package_symbol('$ref') } '... removed it';
	184	isnt($meta->get_package_symbol('$ref'), $reef, '... values match');
	185
	186	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	187	ok( $meta->superclasses('Foo'), '... set the superclasses');
	188	is_deeply(['Foo'], [$meta->superclasses], '... set the superclasses okay');
	189	ok( $meta->superclasses( @supers ), '... reset superclasses');
	190	is_deeply([@supers], [$meta->superclasses], '... reset the superclasses okay');
	191
	192	ok( $meta->$_ , "... ${_} works")
	193	for qw(get_meta_instance compute_all_applicable_attributes
	194	class_precedence_list get_method_map );
	195	};
	196
	197
	198	#rerun the same tests on an anon class.. just cause we can.
	199	{
	200	my $meta = Baz->meta->create_anon_class(superclasses => ['Baz']);
	201
	202	lives_ok {$meta->make_immutable(
	203	inline_accessor => 1,
	204	inline_destructor => 0,
	205	inline_constructor => 1,
	206	)
	207	} '... changed class to be immutable';
	208	lives_ok { $meta->make_mutable() } '... changed class to be mutable';
	209	lives_ok {$meta->make_immutable } '... changed class to be immutable';
	210
	211	dies_ok{ $meta->add_method('xyz', sub{'xxx'}) } '... exception thrown as expected';
	212	dies_ok{ $meta->alias_method('zxy',sub{'xxx'}) } '... exception thrown as expected';
	213	dies_ok{ $meta->remove_method('zxy') } '... exception thrown as expected';
	214
	215	dies_ok {
	216	$meta->add_attribute('fickle', accessor => 'fickle')
	217	} '... exception thrown as expected';
	218	dies_ok { $meta->remove_attribute('fickle') } '... exception thrown as expected';
	219
	220	my $reef = \ 'reef';
	221	dies_ok { $meta->add_package_symbol('$ref', $reef) } '... exception thrown as expected';
	222	dies_ok { $meta->remove_package_symbol('$ref') } '... exception thrown as expected';
	223
	224	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	225	dies_ok { $meta->superclasses('Foo') } '... set the superclasses';
	226
	227	ok( $meta->$_ , "... ${_} works")
	228	for qw(get_meta_instance compute_all_applicable_attributes
	229	class_precedence_list get_method_map );
	230	}
d89108ab	231
	232	{
	233	Foo->meta->make_immutable;
	234	Bar->meta->make_immutable;
	235	Bar->meta->make_mutable;
	236
	237	isnt( Foo->meta->get_immutable_transformer, Bar->meta->get_immutable_transformer,
	238	'Foo and Bar should have different immutable transformer objects' );
	239	}