[gitmo/Moose.git] / t / cmop / make_mutable.t

use strict;
use warnings;

use Test::More;
use Test::Fatal;

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.

    is( exception {$meta->make_immutable; }, undef, '... changed Baz to be immutable' );
    ok(!$meta->is_mutable,              '... our class is no longer mutable');
    ok($meta->is_immutable,             '... our class is now immutable');
    ok($meta->make_immutable,           '... make immutable returns true');
    ok($meta->get_method('new'),        '... inlined constructor created');
    ok($meta->has_method('new'),        '... inlined constructor created for sure');
    is_deeply([ map { $_->name } $meta->_inlined_methods ], [ 'new' ], '... really, i mean it');

    is( exception { $meta->make_mutable; }, undef, '... changed Baz to be mutable' );
    ok($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(!$meta->get_method('new'),       '... inlined constructor created');
    ok(!$meta->has_method('new'),       '... inlined constructor removed for sure');

    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');

    $meta->add_method('xyz', sub{'xxx'});
    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';
    $meta->add_package_symbol('$ref', $reef);
    is($meta->get_package_symbol('$ref'), $reef,      '... values match');
    is( exception { $meta->remove_package_symbol('$ref') }, undef, '... 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       get_all_attributes
             class_precedence_list );

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

{
    my $meta = Baz->meta;

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

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

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

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

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

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

{

    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;
    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');

    is( exception {$meta->make_immutable(
                                    inline_accessor    => 1,
                                    inline_destructor  => 0,
                                    inline_constructor => 1,
                                   )
            }, undef, '... changed class to be immutable' );
    ok(!$meta->is_mutable,                    '... our class is no longer mutable');
    ok($meta->is_immutable,                   '... our class is now immutable');
    ok($meta->make_immutable,                 '... make immutable returns true');

    is( exception { $meta->make_mutable }, undef, '... changed Baz to be mutable' );
    ok($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');

    $meta->add_method('xyz', sub{'xxx'});
    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';
    $meta->add_package_symbol('$ref', $reef);
    is($meta->get_package_symbol('$ref'), $reef,      '... values match');
    is( exception { $meta->remove_package_symbol('$ref') }, undef, '... 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       get_all_attributes
             class_precedence_list );
};


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

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

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

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

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

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

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

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

done_testing;
Commit	Line	Data
38bf2a25	1	use strict;
	2	use warnings;
	3
	4	use Test::More;
	5	use Test::Fatal;
	6
	7	use Scalar::Util;
	8
	9	use Class::MOP;
	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');
	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
	48	is( exception {$meta->make_immutable; }, undef, '... changed Baz to be immutable' );
	49	ok(!$meta->is_mutable, '... our class is no longer mutable');
	50	ok($meta->is_immutable, '... our class is now immutable');
b20483ff	51	ok($meta->make_immutable, '... make immutable returns true');
38bf2a25	52	ok($meta->get_method('new'), '... inlined constructor created');
	53	ok($meta->has_method('new'), '... inlined constructor created for sure');
	54	is_deeply([ map { $_->name } $meta->_inlined_methods ], [ 'new' ], '... really, i mean it');
	55
	56	is( exception { $meta->make_mutable; }, undef, '... changed Baz to be mutable' );
	57	ok($meta->is_mutable, '... our class is mutable');
	58	ok(!$meta->is_immutable, '... our class is not immutable');
	59	ok(!$meta->make_mutable, '... make mutable now returns nothing');
	60	ok(!$meta->get_method('new'), '... inlined constructor created');
	61	ok(!$meta->has_method('new'), '... inlined constructor removed for sure');
	62
	63	my %new_keys = map { $_ => 1 } grep { !/^_/ } keys %$meta;
	64	is_deeply(\%orig_keys, \%new_keys, '... no extraneous hashkeys');
	65
	66	isa_ok($meta, 'Class::MOP::Class', '... Baz->meta isa Class::MOP::Class');
	67
	68	$meta->add_method('xyz', sub{'xxx'});
	69	is( Baz->xyz, 'xxx', '... method xyz works');
	70
	71	ok($meta->add_attribute('fickle', accessor => 'fickle'), '... added attribute');
	72	ok(Baz->can('fickle'), '... Baz can fickle');
	73	ok($meta->remove_attribute('fickle'), '... removed attribute');
	74
	75	my $reef = \ 'reef';
	76	$meta->add_package_symbol('$ref', $reef);
	77	is($meta->get_package_symbol('$ref'), $reef, '... values match');
	78	is( exception { $meta->remove_package_symbol('$ref') }, undef, '... removed it' );
	79	isnt($meta->get_package_symbol('$ref'), $reef, '... values match');
	80
	81	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	82	ok( $meta->superclasses('Foo'), '... set the superclasses');
	83	is_deeply(['Foo'], [$meta->superclasses], '... set the superclasses okay');
	84	ok( $meta->superclasses( @supers ), '... reset superclasses');
	85	is_deeply([@supers], [$meta->superclasses], '... reset the superclasses okay');
	86
	87	ok( $meta->$_ , "... ${_} works")
	88	for qw(get_meta_instance get_all_attributes
	89	class_precedence_list );
	90
	91	is( exception {$meta->make_immutable; }, undef, '... changed Baz to be immutable again' );
	92	ok($meta->get_method('new'), '... inlined constructor recreated');
	93	}
	94
	95	{
	96	my $meta = Baz->meta;
	97
	98	is( exception { $meta->make_immutable() }, undef, 'Changed Baz to be immutable' );
	99	is( exception { $meta->make_mutable() }, undef, '... changed Baz to be mutable' );
	100	is( exception { $meta->make_immutable() }, undef, '... changed Baz to be immutable' );
	101
	102	isnt( exception { $meta->add_method('xyz', sub{'xxx'}) }, undef, '... exception thrown as expected' );
	103
	104	isnt( exception {
	105	$meta->add_attribute('fickle', accessor => 'fickle')
	106	}, undef, '... exception thrown as expected' );
	107	isnt( exception { $meta->remove_attribute('fickle') }, undef, '... exception thrown as expected' );
	108
	109	my $reef = \ 'reef';
	110	isnt( exception { $meta->add_package_symbol('$ref', $reef) }, undef, '... exception thrown as expected' );
	111	isnt( exception { $meta->remove_package_symbol('$ref') }, undef, '... exception thrown as expected' );
	112
	113	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	114	isnt( exception { $meta->superclasses('Foo') }, undef, '... set the superclasses' );
	115
116	ok( $meta->$_ , "... ${_} works")
117	for qw(get_meta_instance get_all_attributes
118	class_precedence_list );
119	}
120
121	{
122
123	ok(Baz->meta->is_immutable, 'Superclass is immutable');
124	my $meta = Baz->meta->create_anon_class(superclasses => ['Baz']);
125	my %orig_keys = map { $_ => 1 } grep { !/^_/ } keys %$meta;
126	my @orig_meths = sort { $a->name cmp $b->name } $meta->get_all_methods;
127	ok($meta->is_anon_class, 'We have an anon metaclass');
128	ok($meta->is_mutable, '... our anon class is mutable');
129	ok(!$meta->is_immutable, '... our anon class is not immutable');
130
131	is( exception {$meta->make_immutable(
132	inline_accessor => 1,
133	inline_destructor => 0,
134	inline_constructor => 1,
135	)
136	}, undef, '... changed class to be immutable' );
137	ok(!$meta->is_mutable, '... our class is no longer mutable');
138	ok($meta->is_immutable, '... our class is now immutable');
b20483ff	139	ok($meta->make_immutable, '... make immutable returns true');
38bf2a25	140
	141	is( exception { $meta->make_mutable }, undef, '... changed Baz to be mutable' );
	142	ok($meta->is_mutable, '... our class is mutable');
	143	ok(!$meta->is_immutable, '... our class is not immutable');
	144	ok(!$meta->make_mutable, '... make mutable now returns nothing');
	145	ok($meta->is_anon_class, '... still marked as an anon class');
	146	my $instance = $meta->new_object;
	147
	148	my %new_keys = map { $_ => 1 } grep { !/^_/ } keys %$meta;
	149	my @new_meths = sort { $a->name cmp $b->name }
	150	$meta->get_all_methods;
	151	is_deeply(\%orig_keys, \%new_keys, '... no extraneous hashkeys');
	152	is_deeply(\@orig_meths, \@new_meths, '... no straneous methods');
	153
	154	isa_ok($meta, 'Class::MOP::Class', '... Anon class isa Class::MOP::Class');
	155
	156	$meta->add_method('xyz', sub{'xxx'});
	157	is( $instance->xyz , 'xxx', '... method xyz works');
	158	ok( $meta->remove_method('xyz'), '... removed method');
	159
	160	ok($meta->add_attribute('fickle', accessor => 'fickle'), '... added attribute');
	161	ok($instance->can('fickle'), '... instance can fickle');
	162	ok($meta->remove_attribute('fickle'), '... removed attribute');
	163
	164	my $reef = \ 'reef';
	165	$meta->add_package_symbol('$ref', $reef);
	166	is($meta->get_package_symbol('$ref'), $reef, '... values match');
	167	is( exception { $meta->remove_package_symbol('$ref') }, undef, '... removed it' );
	168	isnt($meta->get_package_symbol('$ref'), $reef, '... values match');
	169
	170	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
	171	ok( $meta->superclasses('Foo'), '... set the superclasses');
	172	is_deeply(['Foo'], [$meta->superclasses], '... set the superclasses okay');
	173	ok( $meta->superclasses( @supers ), '... reset superclasses');
	174	is_deeply([@supers], [$meta->superclasses], '... reset the superclasses okay');
	175
	176	ok( $meta->$_ , "... ${_} works")
	177	for qw(get_meta_instance get_all_attributes
	178	class_precedence_list );
	179	};
	180
	181
	182	#rerun the same tests on an anon class.. just cause we can.
	183	{
	184	my $meta = Baz->meta->create_anon_class(superclasses => ['Baz']);
	185
	186	is( exception {$meta->make_immutable(
	187	inline_accessor => 1,
	188	inline_destructor => 0,
	189	inline_constructor => 1,
	190	)
	191	}, undef, '... changed class to be immutable' );
	192	is( exception { $meta->make_mutable() }, undef, '... changed class to be mutable' );
	193	is( exception {$meta->make_immutable }, undef, '... changed class to be immutable' );
	194
	195	isnt( exception { $meta->add_method('xyz', sub{'xxx'}) }, undef, '... exception thrown as expected' );
	196
	197	isnt( exception {
	198	$meta->add_attribute('fickle', accessor => 'fickle')
	199	}, undef, '... exception thrown as expected' );
	200	isnt( exception { $meta->remove_attribute('fickle') }, undef, '... exception thrown as expected' );
	201
	202	my $reef = \ 'reef';
	203	isnt( exception { $meta->add_package_symbol('$ref', $reef) }, undef, '... exception thrown as expected' );
204	isnt( exception { $meta->remove_package_symbol('$ref') }, undef, '... exception thrown as expected' );
205
206	ok( my @supers = $meta->superclasses, '... got the superclasses okay');
207	isnt( exception { $meta->superclasses('Foo') }, undef, '... set the superclasses' );
208
209	ok( $meta->$_ , "... ${_} works")
210	for qw(get_meta_instance get_all_attributes
211	class_precedence_list );
212	}
213
214	{
215	Foo->meta->make_immutable;
216	Bar->meta->make_immutable;
217	Bar->meta->make_mutable;
218	}
219
220	done_testing;