[gitmo/Class-MOP.git] / t / 012_package_variables.t

#!/usr/bin/perl

use strict;
use warnings;

use Test::More tests => 86;
use Test::Exception;

use Class::MOP;

{
    package Foo;
    use metaclass;
}

=pod

This is the same test as 080_meta_package.t just here 
we call all the methods through Class::MOP::Class.

=cut

# ----------------------------------------------------------------------
## tests adding a HASH

ok(!defined($Foo::{foo}), '... the %foo slot has not been created yet');
ok(!Foo->meta->has_package_symbol('%foo'), '... the meta agrees');

lives_ok {
    Foo->meta->add_package_symbol('%foo' => { one => 1 });
} '... created %Foo::foo successfully';

# ... scalar should NOT be created here 

ok(!Foo->meta->has_package_symbol('$foo'), '... SCALAR shouldnt have been created too');
ok(!Foo->meta->has_package_symbol('@foo'), '... ARRAY shouldnt have been created too');
ok(!Foo->meta->has_package_symbol('&foo'), '... CODE shouldnt have been created too');

ok(defined($Foo::{foo}), '... the %foo slot was created successfully');
ok(Foo->meta->has_package_symbol('%foo'), '... the meta agrees');

# check the value ...

{
    no strict 'refs';
    ok(exists ${'Foo::foo'}{one}, '... our %foo was initialized correctly');
    is(${'Foo::foo'}{one}, 1, '... our %foo was initialized correctly');
}

my $foo = Foo->meta->get_package_symbol('%foo');
is_deeply({ one => 1 }, $foo, '... got the right package variable back');

# ... make sure changes propogate up

$foo->{two} = 2;

{
    no strict 'refs';
    is(\%{'Foo::foo'}, Foo->meta->get_package_symbol('%foo'), '... our %foo is the same as the metas');
    
    ok(exists ${'Foo::foo'}{two}, '... our %foo was updated correctly');
    is(${'Foo::foo'}{two}, 2, '... our %foo was updated correctly');    
}

# ----------------------------------------------------------------------
## test adding an ARRAY

ok(!defined($Foo::{bar}), '... the @bar slot has not been created yet');

lives_ok {
    Foo->meta->add_package_symbol('@bar' => [ 1, 2, 3 ]);
} '... created @Foo::bar successfully';

ok(defined($Foo::{bar}), '... the @bar slot was created successfully');
ok(Foo->meta->has_package_symbol('@bar'), '... the meta agrees');

# ... why does this not work ... 

ok(!Foo->meta->has_package_symbol('$bar'), '... SCALAR shouldnt have been created too');
ok(!Foo->meta->has_package_symbol('%bar'), '... HASH shouldnt have been created too');
ok(!Foo->meta->has_package_symbol('&bar'), '... CODE shouldnt have been created too');

# check the value itself

{
    no strict 'refs';
    is(scalar @{'Foo::bar'}, 3, '... our @bar was initialized correctly');
    is(${'Foo::bar'}[1], 2, '... our @bar was initialized correctly');
}

# ----------------------------------------------------------------------
## test adding a SCALAR

ok(!defined($Foo::{baz}), '... the $baz slot has not been created yet');

lives_ok {
    Foo->meta->add_package_symbol('$baz' => 10);
} '... created $Foo::baz successfully';

ok(defined($Foo::{baz}), '... the $baz slot was created successfully');
ok(Foo->meta->has_package_symbol('$baz'), '... the meta agrees');

ok(!Foo->meta->has_package_symbol('@baz'), '... ARRAY shouldnt have been created too');
ok(!Foo->meta->has_package_symbol('%baz'), '... HASH shouldnt have been created too');
ok(!Foo->meta->has_package_symbol('&baz'), '... CODE shouldnt have been created too');

is(${Foo->meta->get_package_symbol('$baz')}, 10, '... got the right value back');   

{
    no strict 'refs';
    ${'Foo::baz'} = 1;

    is(${'Foo::baz'}, 1, '... our $baz was assigned to correctly');
    is(${Foo->meta->get_package_symbol('$baz')}, 1, '... the meta agrees');    
}

# ----------------------------------------------------------------------
## test adding a CODE

ok(!defined($Foo::{funk}), '... the &funk slot has not been created yet');

lives_ok {
    Foo->meta->add_package_symbol('&funk' => sub { "Foo::funk" });
} '... created &Foo::funk successfully';

ok(defined($Foo::{funk}), '... the &funk slot was created successfully');
ok(Foo->meta->has_package_symbol('&funk'), '... the meta agrees');

ok(!Foo->meta->has_package_symbol('$funk'), '... SCALAR shouldnt have been created too');
ok(!Foo->meta->has_package_symbol('@funk'), '... ARRAY shouldnt have been created too');
ok(!Foo->meta->has_package_symbol('%funk'), '... HASH shouldnt have been created too');

{
    no strict 'refs';
    ok(defined &{'Foo::funk'}, '... our &funk exists');
}

is(Foo->funk(), 'Foo::funk', '... got the right value from the function');

# ----------------------------------------------------------------------
## test multiple slots in the glob

my $ARRAY = [ 1, 2, 3 ];
my $CODE = sub { "Foo::foo" };

lives_ok {
    Foo->meta->add_package_symbol('@foo' => $ARRAY);
} '... created @Foo::foo successfully';

ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot was added successfully');
is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');

lives_ok {
    Foo->meta->add_package_symbol('&foo' => $CODE);
} '... created &Foo::foo successfully';

ok(Foo->meta->has_package_symbol('&foo'), '... the meta agrees');
is(Foo->meta->get_package_symbol('&foo'), $CODE, '... got the right value for &Foo::foo');

lives_ok {
    Foo->meta->add_package_symbol('$foo' => 'Foo::foo');
} '... created $Foo::foo successfully';

ok(Foo->meta->has_package_symbol('$foo'), '... the meta agrees');
my $SCALAR = Foo->meta->get_package_symbol('$foo');
is($$SCALAR, 'Foo::foo', '... got the right scalar value back');

{
    no strict 'refs';
    is(${'Foo::foo'}, 'Foo::foo', '... got the right value from the scalar');
}

lives_ok {
    Foo->meta->remove_package_symbol('%foo');
} '... removed %Foo::foo successfully';

ok(!Foo->meta->has_package_symbol('%foo'), '... the %foo slot was removed successfully');
ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists');
ok(Foo->meta->has_package_symbol('&foo'), '... the &foo slot still exists');
ok(Foo->meta->has_package_symbol('$foo'), '... the $foo slot still exists');

is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
is(Foo->meta->get_package_symbol('&foo'), $CODE, '... got the right value for &Foo::foo');
is(Foo->meta->get_package_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo');

{
    no strict 'refs';
    ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
    ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');   
    ok(defined(*{"Foo::foo"}{CODE}), '... the &foo slot has NOT been removed');   
    ok(defined(${"Foo::foo"}), '... the $foo slot has NOT been removed');            
}

lives_ok {
    Foo->meta->remove_package_symbol('&foo');
} '... removed &Foo::foo successfully';

ok(!Foo->meta->has_package_symbol('&foo'), '... the &foo slot no longer exists');

ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists');
ok(Foo->meta->has_package_symbol('$foo'), '... the $foo slot still exists');

is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
is(Foo->meta->get_package_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo');

{
    no strict 'refs';
    ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');    
    ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed');       
    ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');   
    ok(defined(${"Foo::foo"}), '... the $foo slot has NOT been removed');            
}

lives_ok {
    Foo->meta->remove_package_symbol('$foo');
} '... removed $Foo::foo successfully';

ok(!Foo->meta->has_package_symbol('$foo'), '... the $foo slot no longer exists');

ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists');

is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');

{
    no strict 'refs';
    ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');    
    ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed');   
    ok(!defined(${"Foo::foo"}), '... the $foo slot has now been removed');                           
    ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');    
}


# check some errors

dies_ok {
    Foo->meta->add_package_symbol('bar');
} '... no sigil for bar';

dies_ok {
    Foo->meta->remove_package_symbol('bar');
} '... no sigil for bar';

dies_ok {
    Foo->meta->get_package_symbol('bar');
} '... no sigil for bar';

dies_ok {
    Foo->meta->has_package_symbol('bar');
} '... no sigil for bar';
Commit	Line	Data
52e8a34c	1	#!/usr/bin/perl
	2
	3	use strict;
	4	use warnings;
	5
efd3d14c	6	use Test::More tests => 86;
52e8a34c	7	use Test::Exception;
52e8a34c	8
efd3d14c	9	use Class::MOP;
52e8a34c	10
	11	{
	12	package Foo;
aa448b16	13	use metaclass;
52e8a34c	14	}
52e8a34c	15
c46b802b	16	=pod
	17
	18	This is the same test as 080_meta_package.t just here
	19	we call all the methods through Class::MOP::Class.
	20
	21	=cut
	22
	23	# ----------------------------------------------------------------------
	24	## tests adding a HASH
	25
52e8a34c	26	ok(!defined($Foo::{foo}), '... the %foo slot has not been created yet');
58d75218	27	ok(!Foo->meta->has_package_symbol('%foo'), '... the meta agrees');
52e8a34c	28
52e8a34c	29	lives_ok {
58d75218	30	Foo->meta->add_package_symbol('%foo' => { one => 1 });
52e8a34c	31	} '... created %Foo::foo successfully';
52e8a34c	32
c46b802b	33	# ... scalar should NOT be created here
	34
	35	ok(!Foo->meta->has_package_symbol('$foo'), '... SCALAR shouldnt have been created too');
	36	ok(!Foo->meta->has_package_symbol('@foo'), '... ARRAY shouldnt have been created too');
	37	ok(!Foo->meta->has_package_symbol('&foo'), '... CODE shouldnt have been created too');
	38
52e8a34c	39	ok(defined($Foo::{foo}), '... the %foo slot was created successfully');
58d75218	40	ok(Foo->meta->has_package_symbol('%foo'), '... the meta agrees');
52e8a34c	41
c46b802b	42	# check the value ...
c46b802b	43
52e8a34c	44	{
	45	no strict 'refs';
	46	ok(exists ${'Foo::foo'}{one}, '... our %foo was initialized correctly');
	47	is(${'Foo::foo'}{one}, 1, '... our %foo was initialized correctly');
	48	}
	49
58d75218	50	my $foo = Foo->meta->get_package_symbol('%foo');
52e8a34c	51	is_deeply({ one => 1 }, $foo, '... got the right package variable back');
52e8a34c	52
c46b802b	53	# ... make sure changes propogate up
c46b802b	54
52e8a34c	55	$foo->{two} = 2;
	56
	57	{
	58	no strict 'refs';
58d75218	59	is(\%{'Foo::foo'}, Foo->meta->get_package_symbol('%foo'), '... our %foo is the same as the metas');
52e8a34c	60
	61	ok(exists ${'Foo::foo'}{two}, '... our %foo was updated correctly');
	62	is(${'Foo::foo'}{two}, 2, '... our %foo was updated correctly');
	63	}
	64
c46b802b	65	# ----------------------------------------------------------------------
	66	## test adding an ARRAY
	67
52e8a34c	68	ok(!defined($Foo::{bar}), '... the @bar slot has not been created yet');
	69
	70	lives_ok {
58d75218	71	Foo->meta->add_package_symbol('@bar' => [ 1, 2, 3 ]);
52e8a34c	72	} '... created @Foo::bar successfully';
	73
	74	ok(defined($Foo::{bar}), '... the @bar slot was created successfully');
c46b802b	75	ok(Foo->meta->has_package_symbol('@bar'), '... the meta agrees');
	76
	77	# ... why does this not work ...
	78
	79	ok(!Foo->meta->has_package_symbol('$bar'), '... SCALAR shouldnt have been created too');
	80	ok(!Foo->meta->has_package_symbol('%bar'), '... HASH shouldnt have been created too');
	81	ok(!Foo->meta->has_package_symbol('&bar'), '... CODE shouldnt have been created too');
	82
	83	# check the value itself
52e8a34c	84
	85	{
	86	no strict 'refs';
	87	is(scalar @{'Foo::bar'}, 3, '... our @bar was initialized correctly');
	88	is(${'Foo::bar'}[1], 2, '... our @bar was initialized correctly');
	89	}
	90
c46b802b	91	# ----------------------------------------------------------------------
c46b802b	92	## test adding a SCALAR
52e8a34c	93
c46b802b	94	ok(!defined($Foo::{baz}), '... the $baz slot has not been created yet');
52e8a34c	95
52e8a34c	96	lives_ok {
c46b802b	97	Foo->meta->add_package_symbol('$baz' => 10);
	98	} '... created $Foo::baz successfully';
	99
	100	ok(defined($Foo::{baz}), '... the $baz slot was created successfully');
	101	ok(Foo->meta->has_package_symbol('$baz'), '... the meta agrees');
52e8a34c	102
c46b802b	103	ok(!Foo->meta->has_package_symbol('@baz'), '... ARRAY shouldnt have been created too');
	104	ok(!Foo->meta->has_package_symbol('%baz'), '... HASH shouldnt have been created too');
	105	ok(!Foo->meta->has_package_symbol('&baz'), '... CODE shouldnt have been created too');
	106
	107	is(${Foo->meta->get_package_symbol('$baz')}, 10, '... got the right value back');
52e8a34c	108
	109	{
	110	no strict 'refs';
c46b802b	111	${'Foo::baz'} = 1;
52e8a34c	112
c46b802b	113	is(${'Foo::baz'}, 1, '... our $baz was assigned to correctly');
c46b802b	114	is(${Foo->meta->get_package_symbol('$baz')}, 1, '... the meta agrees');
52e8a34c	115	}
52e8a34c	116
c46b802b	117	# ----------------------------------------------------------------------
	118	## test adding a CODE
	119
	120	ok(!defined($Foo::{funk}), '... the &funk slot has not been created yet');
52e8a34c	121
52e8a34c	122	lives_ok {
c46b802b	123	Foo->meta->add_package_symbol('&funk' => sub { "Foo::funk" });
	124	} '... created &Foo::funk successfully';
	125
	126	ok(defined($Foo::{funk}), '... the &funk slot was created successfully');
	127	ok(Foo->meta->has_package_symbol('&funk'), '... the meta agrees');
52e8a34c	128
c46b802b	129	ok(!Foo->meta->has_package_symbol('$funk'), '... SCALAR shouldnt have been created too');
	130	ok(!Foo->meta->has_package_symbol('@funk'), '... ARRAY shouldnt have been created too');
	131	ok(!Foo->meta->has_package_symbol('%funk'), '... HASH shouldnt have been created too');
52e8a34c	132
	133	{
	134	no strict 'refs';
c46b802b	135	ok(defined &{'Foo::funk'}, '... our &funk exists');
	136	}
	137
	138	is(Foo->funk(), 'Foo::funk', '... got the right value from the function');
	139
	140	# ----------------------------------------------------------------------
	141	## test multiple slots in the glob
	142
	143	my $ARRAY = [ 1, 2, 3 ];
	144	my $CODE = sub { "Foo::foo" };
	145
	146	lives_ok {
	147	Foo->meta->add_package_symbol('@foo' => $ARRAY);
	148	} '... created @Foo::foo successfully';
	149
	150	ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot was added successfully');
	151	is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
	152
	153	lives_ok {
	154	Foo->meta->add_package_symbol('&foo' => $CODE);
	155	} '... created &Foo::foo successfully';
	156
	157	ok(Foo->meta->has_package_symbol('&foo'), '... the meta agrees');
	158	is(Foo->meta->get_package_symbol('&foo'), $CODE, '... got the right value for &Foo::foo');
	159
	160	lives_ok {
	161	Foo->meta->add_package_symbol('$foo' => 'Foo::foo');
	162	} '... created $Foo::foo successfully';
	163
	164	ok(Foo->meta->has_package_symbol('$foo'), '... the meta agrees');
	165	my $SCALAR = Foo->meta->get_package_symbol('$foo');
	166	is($$SCALAR, 'Foo::foo', '... got the right scalar value back');
	167
	168	{
	169	no strict 'refs';
	170	is(${'Foo::foo'}, 'Foo::foo', '... got the right value from the scalar');
52e8a34c	171	}
	172
	173	lives_ok {
58d75218	174	Foo->meta->remove_package_symbol('%foo');
52e8a34c	175	} '... removed %Foo::foo successfully';
52e8a34c	176
c46b802b	177	ok(!Foo->meta->has_package_symbol('%foo'), '... the %foo slot was removed successfully');
	178	ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists');
	179	ok(Foo->meta->has_package_symbol('&foo'), '... the &foo slot still exists');
	180	ok(Foo->meta->has_package_symbol('$foo'), '... the $foo slot still exists');
	181
	182	is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
	183	is(Foo->meta->get_package_symbol('&foo'), $CODE, '... got the right value for &Foo::foo');
	184	is(Foo->meta->get_package_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo');
	185
	186	{
	187	no strict 'refs';
	188	ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
	189	ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
	190	ok(defined(*{"Foo::foo"}{CODE}), '... the &foo slot has NOT been removed');
d852f4d2	191	ok(defined(${"Foo::foo"}), '... the $foo slot has NOT been removed');
c46b802b	192	}
	193
	194	lives_ok {
	195	Foo->meta->remove_package_symbol('&foo');
	196	} '... removed &Foo::foo successfully';
	197
	198	ok(!Foo->meta->has_package_symbol('&foo'), '... the &foo slot no longer exists');
	199
	200	ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists');
	201	ok(Foo->meta->has_package_symbol('$foo'), '... the $foo slot still exists');
	202
	203	is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
	204	is(Foo->meta->get_package_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo');
	205
	206	{
	207	no strict 'refs';
	208	ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
	209	ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed');
	210	ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
d852f4d2	211	ok(defined(${"Foo::foo"}), '... the $foo slot has NOT been removed');
	212	}
	213
	214	lives_ok {
	215	Foo->meta->remove_package_symbol('$foo');
	216	} '... removed $Foo::foo successfully';
	217
	218	ok(!Foo->meta->has_package_symbol('$foo'), '... the $foo slot no longer exists');
	219
	220	ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists');
	221
	222	is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
	223
	224	{
	225	no strict 'refs';
	226	ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
	227	ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed');
	228	ok(!defined(${"Foo::foo"}), '... the $foo slot has now been removed');
	229	ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
c46b802b	230	}
c46b802b	231
52e8a34c	232
	233	# check some errors
	234
	235	dies_ok {
58d75218	236	Foo->meta->add_package_symbol('bar');
52e8a34c	237	} '... no sigil for bar';
	238
	239	dies_ok {
58d75218	240	Foo->meta->remove_package_symbol('bar');
52e8a34c	241	} '... no sigil for bar';
	242
	243	dies_ok {
58d75218	244	Foo->meta->get_package_symbol('bar');
52e8a34c	245	} '... no sigil for bar';
	246
	247	dies_ok {
58d75218	248	Foo->meta->has_package_symbol('bar');
52e8a34c	249	} '... no sigil for bar';