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

#!/usr/bin/perl

use strict;
use warnings;

use Test::More tests => 111;
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');    

    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');    

    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 );
}
Commit	Line	Data
0ac992ee	1	#!/usr/bin/perl
	2
	3	use strict;
	4	use warnings;
	5
efd3d14c	6	use Test::More tests => 111;
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');
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');
0ac992ee	61
f3938c21	62	my @new_keys = sort grep { !/^_/ } keys %$meta;
0ac992ee	63	is_deeply(\@orig_keys, \@new_keys, '... no straneous hashkeys');
	64
	65	isa_ok($meta, 'Class::MOP::Class', '... Baz->meta isa Class::MOP::Class');
	66
	67	ok( $meta->add_method('xyz', sub{'xxx'}), '... added method');
	68	is( Baz->xyz, 'xxx', '... method xyz works');
46b23b44	69
46b23b44	70	ok(! $meta->has_method('zxy') ,'... we dont have the aliased method yet');
0ac992ee	71	ok( $meta->alias_method('zxy',sub{'xxx'}),'... aliased method');
91b73829	72	ok( $meta->has_method('zxy') ,'... the aliased method does register');
0ac992ee	73	is( Baz->zxy, 'xxx', '... method zxy works');
0ac992ee	74	ok( $meta->remove_method('xyz'), '... removed method');
91b73829	75	ok( $meta->remove_method('zxy'), '... removed aliased method');
0ac992ee	76
	77	ok($meta->add_attribute('fickle', accessor => 'fickle'), '... added attribute');
	78	ok(Baz->can('fickle'), '... Baz can fickle');
	79	ok($meta->remove_attribute('fickle'), '... removed attribute');
	80
	81	my $reef = \ 'reef';
	82	ok($meta->add_package_symbol('$ref', $reef), '... added package symbol');
	83	is($meta->get_package_symbol('$ref'), $reef, '... values match');
	84	lives_ok { $meta->remove_package_symbol('$ref') } '... removed it';
	85	isnt($meta->get_package_symbol('$ref'), $reef, '... values match');
	86
	87	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	88	ok( $meta->superclasses('Foo'), '... set the superclasses');
	89	is_deeply(['Foo'], [$meta->superclasses], '... set the superclasses okay');
	90	ok( $meta->superclasses( @supers ), '... reset superclasses');
	91	is_deeply([@supers], [$meta->superclasses], '... reset the superclasses okay');
	92
	93	ok( $meta->$_ , "... ${_} works")
	94	for qw(get_meta_instance compute_all_applicable_attributes
	95	class_precedence_list get_method_map );
229910b5	96
	97	lives_ok {$meta->make_immutable; } '... changed Baz to be immutable again';
	98	ok($meta->get_method_map->{new}, '... inlined constructor recreated');
0ac992ee	99	}
	100
	101	{
	102	my $meta = Baz->meta;
	103
	104	lives_ok { $meta->make_immutable() } 'Changed Baz to be immutable';
	105	lives_ok { $meta->make_mutable() } '... changed Baz to be mutable';
	106	lives_ok { $meta->make_immutable() } '... changed Baz to be immutable';
	107
	108	dies_ok{ $meta->add_method('xyz', sub{'xxx'}) } '... exception thrown as expected';
	109	dies_ok{ $meta->alias_method('zxy',sub{'xxx'}) } '... exception thrown as expected';
	110	dies_ok{ $meta->remove_method('zxy') } '... exception thrown as expected';
	111
	112	dies_ok {
	113	$meta->add_attribute('fickle', accessor => 'fickle')
	114	} '... exception thrown as expected';
	115	dies_ok { $meta->remove_attribute('fickle') } '... exception thrown as expected';
	116
	117	my $reef = \ 'reef';
	118	dies_ok { $meta->add_package_symbol('$ref', $reef) } '... exception thrown as expected';
	119	dies_ok { $meta->remove_package_symbol('$ref') } '... exception thrown as expected';
	120
	121	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	122	dies_ok { $meta->superclasses('Foo') } '... set the superclasses';
	123
	124	ok( $meta->$_ , "... ${_} works")
	125	for qw(get_meta_instance compute_all_applicable_attributes
	126	class_precedence_list get_method_map );
	127	}
	128
0ac992ee	129	{
0ac992ee	130
d9586da2	131	ok(Baz->meta->is_immutable, 'Superclass is immutable');
0ac992ee	132	my $meta = Baz->meta->create_anon_class(superclasses => ['Baz']);
f3938c21	133	my @orig_keys = sort grep { !/^_/ } keys %$meta;
04dd7510	134	my @orig_meths = sort { $a->{name} cmp $b->{name} }
04dd7510	135	$meta->compute_all_applicable_methods;
0ac992ee	136	ok($meta->is_anon_class, 'We have an anon metaclass');
d9586da2	137	ok($meta->is_mutable, '... our anon class is mutable');
	138	ok(!$meta->is_immutable, '... our anon class is not immutable');
	139
0ac992ee	140	lives_ok {$meta->make_immutable(
	141	inline_accessor => 1,
	142	inline_destructor => 0,
	143	inline_constructor => 1,
	144	)
	145	} '... changed class to be immutable';
	146	ok(!$meta->is_mutable, '... our class is no longer mutable');
	147	ok($meta->is_immutable, '... our class is now immutable');
	148	ok(!$meta->make_immutable, '... make immutable now returns nothing');
	149
	150	lives_ok { $meta->make_mutable } '... changed Baz to be mutable';
	151	ok($meta->is_mutable, '... our class is mutable');
	152	ok(!$meta->is_immutable, '... our class is not immutable');
	153	ok(!$meta->make_mutable, '... make mutable now returns nothing');
	154	ok($meta->is_anon_class, '... still marked as an anon class');
	155	my $instance = $meta->new_object;
	156
f3938c21	157	my @new_keys = sort grep { !/^_/ } keys %$meta;
04dd7510	158	my @new_meths = sort { $a->{name} cmp $b->{name} }
04dd7510	159	$meta->compute_all_applicable_methods;
0ac992ee	160	is_deeply(\@orig_keys, \@new_keys, '... no straneous hashkeys');
	161	is_deeply(\@orig_meths, \@new_meths, '... no straneous methods');
	162
	163	isa_ok($meta, 'Class::MOP::Class', '... Anon class isa Class::MOP::Class');
	164
	165	ok( $meta->add_method('xyz', sub{'xxx'}), '... added method');
	166	is( $instance->xyz , 'xxx', '... method xyz works');
	167	ok( $meta->alias_method('zxy',sub{'xxx'}),'... aliased method');
	168	is( $instance->zxy, 'xxx', '... method zxy works');
	169	ok( $meta->remove_method('xyz'), '... removed method');
91b73829	170	ok( $meta->remove_method('zxy'), '... removed aliased method');
0ac992ee	171
	172	ok($meta->add_attribute('fickle', accessor => 'fickle'), '... added attribute');
	173	ok($instance->can('fickle'), '... instance can fickle');
	174	ok($meta->remove_attribute('fickle'), '... removed attribute');
	175
	176	my $reef = \ 'reef';
	177	ok($meta->add_package_symbol('$ref', $reef), '... added package symbol');
	178	is($meta->get_package_symbol('$ref'), $reef, '... values match');
	179	lives_ok { $meta->remove_package_symbol('$ref') } '... removed it';
	180	isnt($meta->get_package_symbol('$ref'), $reef, '... values match');
	181
	182	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	183	ok( $meta->superclasses('Foo'), '... set the superclasses');
	184	is_deeply(['Foo'], [$meta->superclasses], '... set the superclasses okay');
	185	ok( $meta->superclasses( @supers ), '... reset superclasses');
	186	is_deeply([@supers], [$meta->superclasses], '... reset the superclasses okay');
	187
	188	ok( $meta->$_ , "... ${_} works")
	189	for qw(get_meta_instance compute_all_applicable_attributes
	190	class_precedence_list get_method_map );
	191	};
	192
	193
	194	#rerun the same tests on an anon class.. just cause we can.
	195	{
	196	my $meta = Baz->meta->create_anon_class(superclasses => ['Baz']);
	197
	198	lives_ok {$meta->make_immutable(
	199	inline_accessor => 1,
	200	inline_destructor => 0,
	201	inline_constructor => 1,
	202	)
	203	} '... changed class to be immutable';
	204	lives_ok { $meta->make_mutable() } '... changed class to be mutable';
	205	lives_ok {$meta->make_immutable } '... changed class to be immutable';
	206
	207	dies_ok{ $meta->add_method('xyz', sub{'xxx'}) } '... exception thrown as expected';
	208	dies_ok{ $meta->alias_method('zxy',sub{'xxx'}) } '... exception thrown as expected';
	209	dies_ok{ $meta->remove_method('zxy') } '... exception thrown as expected';
	210
	211	dies_ok {
	212	$meta->add_attribute('fickle', accessor => 'fickle')
	213	} '... exception thrown as expected';
	214	dies_ok { $meta->remove_attribute('fickle') } '... exception thrown as expected';
	215
	216	my $reef = \ 'reef';
	217	dies_ok { $meta->add_package_symbol('$ref', $reef) } '... exception thrown as expected';
	218	dies_ok { $meta->remove_package_symbol('$ref') } '... exception thrown as expected';
	219
	220	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	221	dies_ok { $meta->superclasses('Foo') } '... set the superclasses';
	222
	223	ok( $meta->$_ , "... ${_} works")
	224	for qw(get_meta_instance compute_all_applicable_attributes
	225	class_precedence_list get_method_map );
	226	}