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

#!/usr/bin/perl

use strict;
use warnings;

use Test::More tests => 104;
use Test::Exception;

use Scalar::Util;

BEGIN {
    use_ok('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 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');

    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');

    my @new_keys = sort 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->alias_method('zxy',sub{'xxx'}),'... aliased method');
    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 );
}

{
    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 $meta = Baz->meta->create_anon_class(superclasses => ['Baz']);
    my @orig_keys  = sort keys %$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 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
d9586da2	6	use Test::More tests => 104;
0ac992ee	7	use Test::Exception;
	8
	9	use Scalar::Util;
	10
	11	BEGIN {
	12	use_ok('Class::MOP');
	13	}
	14
	15	{
	16	package Foo;
	17
	18	use strict;
	19	use warnings;
	20	use metaclass;
	21
	22	__PACKAGE__->meta->add_attribute('bar');
	23
	24	package Bar;
	25
	26	use strict;
	27	use warnings;
	28	use metaclass;
	29
	30	__PACKAGE__->meta->superclasses('Foo');
	31
	32	__PACKAGE__->meta->add_attribute('baz');
	33
	34	package Baz;
	35
	36	use strict;
	37	use warnings;
	38	use metaclass;
	39
	40	__PACKAGE__->meta->superclasses('Bar');
	41
	42	__PACKAGE__->meta->add_attribute('bah');
	43	}
	44
	45	{
	46	my $meta = Baz->meta;
	47	is($meta->name, 'Baz', '... checking the Baz metaclass');
	48	my @orig_keys = sort keys %$meta;
	49
04dd7510	50	lives_ok {$meta->make_immutable; } '... changed Baz to be immutable';
0ac992ee	51	ok(!$meta->is_mutable, '... our class is no longer mutable');
	52	ok($meta->is_immutable, '... our class is now immutable');
	53	ok(!$meta->make_immutable, '... make immutable now returns nothing');
	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');
	59
	60	my @new_keys = sort keys %$meta;
	61	is_deeply(\@orig_keys, \@new_keys, '... no straneous hashkeys');
	62
	63	isa_ok($meta, 'Class::MOP::Class', '... Baz->meta isa Class::MOP::Class');
	64
	65	ok( $meta->add_method('xyz', sub{'xxx'}), '... added method');
	66	is( Baz->xyz, 'xxx', '... method xyz works');
	67	ok( $meta->alias_method('zxy',sub{'xxx'}),'... aliased method');
	68	is( Baz->zxy, 'xxx', '... method zxy works');
	69	ok( $meta->remove_method('xyz'), '... removed method');
e0e4674a	70	ok(! $meta->remove_method('zxy'), '... removed aliased method');
0ac992ee	71
	72	ok($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 );
	91	}
	92
	93	{
	94	my $meta = Baz->meta;
	95
	96	lives_ok { $meta->make_immutable() } 'Changed Baz to be immutable';
	97	lives_ok { $meta->make_mutable() } '... changed Baz to be mutable';
	98	lives_ok { $meta->make_immutable() } '... changed Baz to be immutable';
	99
	100	dies_ok{ $meta->add_method('xyz', sub{'xxx'}) } '... exception thrown as expected';
	101	dies_ok{ $meta->alias_method('zxy',sub{'xxx'}) } '... exception thrown as expected';
	102	dies_ok{ $meta->remove_method('zxy') } '... exception thrown as expected';
	103
	104	dies_ok {
	105	$meta->add_attribute('fickle', accessor => 'fickle')
	106	} '... exception thrown as expected';
	107	dies_ok { $meta->remove_attribute('fickle') } '... exception thrown as expected';
	108
	109	my $reef = \ 'reef';
	110	dies_ok { $meta->add_package_symbol('$ref', $reef) } '... exception thrown as expected';
	111	dies_ok { $meta->remove_package_symbol('$ref') } '... exception thrown as expected';
	112
	113	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	114	dies_ok { $meta->superclasses('Foo') } '... set the superclasses';
	115
	116	ok( $meta->$_ , "... ${_} works")
	117	for qw(get_meta_instance compute_all_applicable_attributes
	118	class_precedence_list get_method_map );
	119	}
	120
0ac992ee	121	{
0ac992ee	122
d9586da2	123	ok(Baz->meta->is_immutable, 'Superclass is immutable');
0ac992ee	124	my $meta = Baz->meta->create_anon_class(superclasses => ['Baz']);
0ac992ee	125	my @orig_keys = sort keys %$meta;
04dd7510	126	my @orig_meths = sort { $a->{name} cmp $b->{name} }
04dd7510	127	$meta->compute_all_applicable_methods;
0ac992ee	128	ok($meta->is_anon_class, 'We have an anon metaclass');
d9586da2	129	ok($meta->is_mutable, '... our anon class is mutable');
	130	ok(!$meta->is_immutable, '... our anon class is not immutable');
	131
0ac992ee	132	lives_ok {$meta->make_immutable(
	133	inline_accessor => 1,
	134	inline_destructor => 0,
	135	inline_constructor => 1,
	136	)
	137	} '... changed class to be immutable';
	138	ok(!$meta->is_mutable, '... our class is no longer mutable');
	139	ok($meta->is_immutable, '... our class is now immutable');
	140	ok(!$meta->make_immutable, '... make immutable now returns nothing');
	141
	142	lives_ok { $meta->make_mutable } '... changed Baz to be mutable';
	143	ok($meta->is_mutable, '... our class is mutable');
	144	ok(!$meta->is_immutable, '... our class is not immutable');
	145	ok(!$meta->make_mutable, '... make mutable now returns nothing');
	146	ok($meta->is_anon_class, '... still marked as an anon class');
	147	my $instance = $meta->new_object;
	148
	149	my @new_keys = sort keys %$meta;
04dd7510	150	my @new_meths = sort { $a->{name} cmp $b->{name} }
04dd7510	151	$meta->compute_all_applicable_methods;
0ac992ee	152	is_deeply(\@orig_keys, \@new_keys, '... no straneous hashkeys');
	153	is_deeply(\@orig_meths, \@new_meths, '... no straneous methods');
	154
	155	isa_ok($meta, 'Class::MOP::Class', '... Anon class isa Class::MOP::Class');
	156
	157	ok( $meta->add_method('xyz', sub{'xxx'}), '... added method');
	158	is( $instance->xyz , 'xxx', '... method xyz works');
	159	ok( $meta->alias_method('zxy',sub{'xxx'}),'... aliased method');
	160	is( $instance->zxy, 'xxx', '... method zxy works');
	161	ok( $meta->remove_method('xyz'), '... removed method');
e0e4674a	162	ok( !$meta->remove_method('zxy'), '... removed aliased method');
0ac992ee	163
	164	ok($meta->add_attribute('fickle', accessor => 'fickle'), '... added attribute');
	165	ok($instance->can('fickle'), '... instance can fickle');
	166	ok($meta->remove_attribute('fickle'), '... removed attribute');
	167
	168	my $reef = \ 'reef';
	169	ok($meta->add_package_symbol('$ref', $reef), '... added package symbol');
	170	is($meta->get_package_symbol('$ref'), $reef, '... values match');
	171	lives_ok { $meta->remove_package_symbol('$ref') } '... removed it';
	172	isnt($meta->get_package_symbol('$ref'), $reef, '... values match');
	173
	174	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	175	ok( $meta->superclasses('Foo'), '... set the superclasses');
	176	is_deeply(['Foo'], [$meta->superclasses], '... set the superclasses okay');
	177	ok( $meta->superclasses( @supers ), '... reset superclasses');
	178	is_deeply([@supers], [$meta->superclasses], '... reset the superclasses okay');
	179
	180	ok( $meta->$_ , "... ${_} works")
	181	for qw(get_meta_instance compute_all_applicable_attributes
	182	class_precedence_list get_method_map );
	183	};
	184
	185
	186	#rerun the same tests on an anon class.. just cause we can.
	187	{
	188	my $meta = Baz->meta->create_anon_class(superclasses => ['Baz']);
	189
	190	lives_ok {$meta->make_immutable(
	191	inline_accessor => 1,
	192	inline_destructor => 0,
	193	inline_constructor => 1,
	194	)
	195	} '... changed class to be immutable';
	196	lives_ok { $meta->make_mutable() } '... changed class to be mutable';
	197	lives_ok {$meta->make_immutable } '... changed class to be immutable';
	198
	199	dies_ok{ $meta->add_method('xyz', sub{'xxx'}) } '... exception thrown as expected';
	200	dies_ok{ $meta->alias_method('zxy',sub{'xxx'}) } '... exception thrown as expected';
	201	dies_ok{ $meta->remove_method('zxy') } '... exception thrown as expected';
	202
	203	dies_ok {
	204	$meta->add_attribute('fickle', accessor => 'fickle')
	205	} '... exception thrown as expected';
	206	dies_ok { $meta->remove_attribute('fickle') } '... exception thrown as expected';
	207
	208	my $reef = \ 'reef';
	209	dies_ok { $meta->add_package_symbol('$ref', $reef) } '... exception thrown as expected';
	210	dies_ok { $meta->remove_package_symbol('$ref') } '... exception thrown as expected';
	211
	212	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	213	dies_ok { $meta->superclasses('Foo') } '... set the superclasses';
	214
	215	ok( $meta->$_ , "... ${_} works")
	216	for qw(get_meta_instance compute_all_applicable_attributes
	217	class_precedence_list get_method_map );
	218	}