[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 = map { $_ => 1 } grep { !/^_/ } keys %$meta;
    # Since this has no default it won't be present yet, but it will
    # be after the class is made immutable.
    $orig_keys{immutable_transformer} = 1;

    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->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->immutable_transformer->inlined_constructor,
       '... transformer says it did not inline the constructor');

    my %new_keys = map { $_ => 1 } grep { !/^_/ } keys %$meta;
    is_deeply(\%orig_keys, \%new_keys, '... no extraneous 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 = map { $_ => 1 } grep { !/^_/ } keys %$meta;
    $orig_keys{immutable_transformer} = 1;
    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  = map { $_ => 1 } grep { !/^_/ } keys %$meta;
    my @new_meths = sort { $a->name cmp $b->name }
      $meta->get_all_methods;
    is_deeply(\%orig_keys, \%new_keys, '... no extraneous 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->immutable_transformer, Bar->meta->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');
44d6ea77	44	my %orig_keys = map { $_ => 1 } grep { !/^_/ } keys %$meta;
	45	# Since this has no default it won't be present yet, but it will
	46	# be after the class is made immutable.
	47	$orig_keys{immutable_transformer} = 1;
0ac992ee	48
04dd7510	49	lives_ok {$meta->make_immutable; } '... changed Baz to be immutable';
0ac992ee	50	ok(!$meta->is_mutable, '... our class is no longer mutable');
	51	ok($meta->is_immutable, '... our class is now immutable');
	52	ok(!$meta->make_immutable, '... make immutable now returns nothing');
229910b5	53	ok($meta->get_method_map->{new}, '... inlined constructor created');
46b23b44	54	ok($meta->has_method('new'), '... inlined constructor created for sure');
44d6ea77	55	ok($meta->immutable_transformer->inlined_constructor,
c1809cb1	56	'... transformer says it did inline the constructor');
0ac992ee	57
04dd7510	58	lives_ok { $meta->make_mutable; } '... changed Baz to be mutable';
0ac992ee	59	ok($meta->is_mutable, '... our class is mutable');
	60	ok(!$meta->is_immutable, '... our class is not immutable');
	61	ok(!$meta->make_mutable, '... make mutable now returns nothing');
229910b5	62	ok(!$meta->get_method_map->{new}, '... inlined constructor removed');
46b23b44	63	ok(!$meta->has_method('new'), '... inlined constructor removed for sure');
44d6ea77	64	ok(!$meta->immutable_transformer->inlined_constructor,
c1809cb1	65	'... transformer says it did not inline the constructor');
0ac992ee	66
44d6ea77	67	my %new_keys = map { $_ => 1 } grep { !/^_/ } keys %$meta;
44d6ea77	68	is_deeply(\%orig_keys, \%new_keys, '... no extraneous hashkeys');
0ac992ee	69
	70	isa_ok($meta, 'Class::MOP::Class', '... Baz->meta isa Class::MOP::Class');
	71
	72	ok( $meta->add_method('xyz', sub{'xxx'}), '... added method');
	73	is( Baz->xyz, 'xxx', '... method xyz works');
46b23b44	74
0ac992ee	75	ok($meta->add_attribute('fickle', accessor => 'fickle'), '... added attribute');
	76	ok(Baz->can('fickle'), '... Baz can fickle');
	77	ok($meta->remove_attribute('fickle'), '... removed attribute');
	78
	79	my $reef = \ 'reef';
	80	ok($meta->add_package_symbol('$ref', $reef), '... added package symbol');
	81	is($meta->get_package_symbol('$ref'), $reef, '... values match');
	82	lives_ok { $meta->remove_package_symbol('$ref') } '... removed it';
	83	isnt($meta->get_package_symbol('$ref'), $reef, '... values match');
	84
	85	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	86	ok( $meta->superclasses('Foo'), '... set the superclasses');
	87	is_deeply(['Foo'], [$meta->superclasses], '... set the superclasses okay');
	88	ok( $meta->superclasses( @supers ), '... reset superclasses');
	89	is_deeply([@supers], [$meta->superclasses], '... reset the superclasses okay');
	90
	91	ok( $meta->$_ , "... ${_} works")
	92	for qw(get_meta_instance compute_all_applicable_attributes
	93	class_precedence_list get_method_map );
229910b5	94
	95	lives_ok {$meta->make_immutable; } '... changed Baz to be immutable again';
	96	ok($meta->get_method_map->{new}, '... inlined constructor recreated');
0ac992ee	97	}
	98
	99	{
	100	my $meta = Baz->meta;
	101
	102	lives_ok { $meta->make_immutable() } 'Changed Baz to be immutable';
	103	lives_ok { $meta->make_mutable() } '... changed Baz to be mutable';
	104	lives_ok { $meta->make_immutable() } '... changed Baz to be immutable';
	105
	106	dies_ok{ $meta->add_method('xyz', sub{'xxx'}) } '... exception thrown as expected';
0ac992ee	107
	108	dies_ok {
	109	$meta->add_attribute('fickle', accessor => 'fickle')
	110	} '... exception thrown as expected';
	111	dies_ok { $meta->remove_attribute('fickle') } '... exception thrown as expected';
	112
	113	my $reef = \ 'reef';
	114	dies_ok { $meta->add_package_symbol('$ref', $reef) } '... exception thrown as expected';
	115	dies_ok { $meta->remove_package_symbol('$ref') } '... exception thrown as expected';
	116
	117	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	118	dies_ok { $meta->superclasses('Foo') } '... set the superclasses';
	119
	120	ok( $meta->$_ , "... ${_} works")
	121	for qw(get_meta_instance compute_all_applicable_attributes
	122	class_precedence_list get_method_map );
	123	}
	124
0ac992ee	125	{
0ac992ee	126
d9586da2	127	ok(Baz->meta->is_immutable, 'Superclass is immutable');
0ac992ee	128	my $meta = Baz->meta->create_anon_class(superclasses => ['Baz']);
44d6ea77	129	my %orig_keys = map { $_ => 1 } grep { !/^_/ } keys %$meta;
44d6ea77	130	$orig_keys{immutable_transformer} = 1;
070cb0d6	131	my @orig_meths = sort { $a->name cmp $b->name }
070cb0d6	132	$meta->get_all_methods;
0ac992ee	133	ok($meta->is_anon_class, 'We have an anon metaclass');
d9586da2	134	ok($meta->is_mutable, '... our anon class is mutable');
	135	ok(!$meta->is_immutable, '... our anon class is not immutable');
	136
0ac992ee	137	lives_ok {$meta->make_immutable(
	138	inline_accessor => 1,
	139	inline_destructor => 0,
	140	inline_constructor => 1,
	141	)
	142	} '... changed class to be immutable';
	143	ok(!$meta->is_mutable, '... our class is no longer mutable');
	144	ok($meta->is_immutable, '... our class is now immutable');
	145	ok(!$meta->make_immutable, '... make immutable now returns nothing');
	146
	147	lives_ok { $meta->make_mutable } '... changed Baz to be mutable';
	148	ok($meta->is_mutable, '... our class is mutable');
	149	ok(!$meta->is_immutable, '... our class is not immutable');
	150	ok(!$meta->make_mutable, '... make mutable now returns nothing');
	151	ok($meta->is_anon_class, '... still marked as an anon class');
	152	my $instance = $meta->new_object;
	153
44d6ea77	154	my %new_keys = map { $_ => 1 } grep { !/^_/ } keys %$meta;
070cb0d6	155	my @new_meths = sort { $a->name cmp $b->name }
070cb0d6	156	$meta->get_all_methods;
44d6ea77	157	is_deeply(\%orig_keys, \%new_keys, '... no extraneous hashkeys');
0ac992ee	158	is_deeply(\@orig_meths, \@new_meths, '... no straneous methods');
	159
	160	isa_ok($meta, 'Class::MOP::Class', '... Anon class isa Class::MOP::Class');
	161
	162	ok( $meta->add_method('xyz', sub{'xxx'}), '... added method');
	163	is( $instance->xyz , 'xxx', '... method xyz works');
0ac992ee	164	ok( $meta->remove_method('xyz'), '... removed method');
0ac992ee	165
	166	ok($meta->add_attribute('fickle', accessor => 'fickle'), '... added attribute');
	167	ok($instance->can('fickle'), '... instance can fickle');
	168	ok($meta->remove_attribute('fickle'), '... removed attribute');
	169
	170	my $reef = \ 'reef';
	171	ok($meta->add_package_symbol('$ref', $reef), '... added package symbol');
	172	is($meta->get_package_symbol('$ref'), $reef, '... values match');
	173	lives_ok { $meta->remove_package_symbol('$ref') } '... removed it';
	174	isnt($meta->get_package_symbol('$ref'), $reef, '... values match');
	175
	176	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	177	ok( $meta->superclasses('Foo'), '... set the superclasses');
	178	is_deeply(['Foo'], [$meta->superclasses], '... set the superclasses okay');
	179	ok( $meta->superclasses( @supers ), '... reset superclasses');
	180	is_deeply([@supers], [$meta->superclasses], '... reset the superclasses okay');
	181
	182	ok( $meta->$_ , "... ${_} works")
	183	for qw(get_meta_instance compute_all_applicable_attributes
	184	class_precedence_list get_method_map );
	185	};
	186
	187
	188	#rerun the same tests on an anon class.. just cause we can.
	189	{
	190	my $meta = Baz->meta->create_anon_class(superclasses => ['Baz']);
	191
	192	lives_ok {$meta->make_immutable(
	193	inline_accessor => 1,
	194	inline_destructor => 0,
	195	inline_constructor => 1,
	196	)
	197	} '... changed class to be immutable';
	198	lives_ok { $meta->make_mutable() } '... changed class to be mutable';
	199	lives_ok {$meta->make_immutable } '... changed class to be immutable';
	200
	201	dies_ok{ $meta->add_method('xyz', sub{'xxx'}) } '... exception thrown as expected';
0ac992ee	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	}
d89108ab	219
	220	{
	221	Foo->meta->make_immutable;
	222	Bar->meta->make_immutable;
	223	Bar->meta->make_mutable;
	224
44d6ea77	225	isnt( Foo->meta->immutable_transformer, Bar->meta->immutable_transformer,
d89108ab	226	'Foo and Bar should have different immutable transformer objects' );
d89108ab	227	}