[gitmo/Class-MOP.git] / t / 080_meta_package.t

#!/usr/bin/perl

use strict;
use warnings;

use Test::More tests => 88;
use Test::Exception;

BEGIN {
    use_ok('Class::MOP');        
    use_ok('Class::MOP::Package');            
}

{
    package Foo;
    
    sub meta { Class::MOP::Package->initialize('Foo') }
}

# ----------------------------------------------------------------------
## 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
6d5355c3	1	#!/usr/bin/perl
	2
	3	use strict;
	4	use warnings;
	5
d852f4d2	6	use Test::More tests => 88;
6d5355c3	7	use Test::Exception;
	8
	9	BEGIN {
	10	use_ok('Class::MOP');
	11	use_ok('Class::MOP::Package');
	12	}
	13
	14	{
	15	package Foo;
	16
	17	sub meta { Class::MOP::Package->initialize('Foo') }
	18	}
	19
c46b802b	20	# ----------------------------------------------------------------------
	21	## tests adding a HASH
	22
6d5355c3	23	ok(!defined($Foo::{foo}), '... the %foo slot has not been created yet');
58d75218	24	ok(!Foo->meta->has_package_symbol('%foo'), '... the meta agrees');
6d5355c3	25
6d5355c3	26	lives_ok {
58d75218	27	Foo->meta->add_package_symbol('%foo' => { one => 1 });
6d5355c3	28	} '... created %Foo::foo successfully';
6d5355c3	29
c46b802b	30	# ... scalar should NOT be created here
c46b802b	31
c20522bd	32	ok(!Foo->meta->has_package_symbol('$foo'), '... SCALAR shouldnt have been created too');
c46b802b	33	ok(!Foo->meta->has_package_symbol('@foo'), '... ARRAY shouldnt have been created too');
c46b802b	34	ok(!Foo->meta->has_package_symbol('&foo'), '... CODE shouldnt have been created too');
c20522bd	35
6d5355c3	36	ok(defined($Foo::{foo}), '... the %foo slot was created successfully');
58d75218	37	ok(Foo->meta->has_package_symbol('%foo'), '... the meta agrees');
6d5355c3	38
c46b802b	39	# check the value ...
c20522bd	40
	41	{
	42	no strict 'refs';
6d5355c3	43	ok(exists ${'Foo::foo'}{one}, '... our %foo was initialized correctly');
	44	is(${'Foo::foo'}{one}, 1, '... our %foo was initialized correctly');
	45	}
	46
58d75218	47	my $foo = Foo->meta->get_package_symbol('%foo');
6d5355c3	48	is_deeply({ one => 1 }, $foo, '... got the right package variable back');
6d5355c3	49
c46b802b	50	# ... make sure changes propogate up
c46b802b	51
6d5355c3	52	$foo->{two} = 2;
	53
	54	{
	55	no strict 'refs';
58d75218	56	is(\%{'Foo::foo'}, Foo->meta->get_package_symbol('%foo'), '... our %foo is the same as the metas');
6d5355c3	57
	58	ok(exists ${'Foo::foo'}{two}, '... our %foo was updated correctly');
	59	is(${'Foo::foo'}{two}, 2, '... our %foo was updated correctly');
	60	}
	61
c46b802b	62	# ----------------------------------------------------------------------
	63	## test adding an ARRAY
	64
6d5355c3	65	ok(!defined($Foo::{bar}), '... the @bar slot has not been created yet');
	66
	67	lives_ok {
58d75218	68	Foo->meta->add_package_symbol('@bar' => [ 1, 2, 3 ]);
6d5355c3	69	} '... created @Foo::bar successfully';
	70
	71	ok(defined($Foo::{bar}), '... the @bar slot was created successfully');
c46b802b	72	ok(Foo->meta->has_package_symbol('@bar'), '... the meta agrees');
	73
	74	# ... why does this not work ...
	75
	76	ok(!Foo->meta->has_package_symbol('$bar'), '... SCALAR shouldnt have been created too');
	77	ok(!Foo->meta->has_package_symbol('%bar'), '... HASH shouldnt have been created too');
	78	ok(!Foo->meta->has_package_symbol('&bar'), '... CODE shouldnt have been created too');
	79
	80	# check the value itself
6d5355c3	81
	82	{
	83	no strict 'refs';
	84	is(scalar @{'Foo::bar'}, 3, '... our @bar was initialized correctly');
	85	is(${'Foo::bar'}[1], 2, '... our @bar was initialized correctly');
	86	}
	87
c46b802b	88	# ----------------------------------------------------------------------
c46b802b	89	## test adding a SCALAR
6d5355c3	90
c46b802b	91	ok(!defined($Foo::{baz}), '... the $baz slot has not been created yet');
6d5355c3	92
6d5355c3	93	lives_ok {
c46b802b	94	Foo->meta->add_package_symbol('$baz' => 10);
	95	} '... created $Foo::baz successfully';
	96
	97	ok(defined($Foo::{baz}), '... the $baz slot was created successfully');
	98	ok(Foo->meta->has_package_symbol('$baz'), '... the meta agrees');
6d5355c3	99
c46b802b	100	ok(!Foo->meta->has_package_symbol('@baz'), '... ARRAY shouldnt have been created too');
	101	ok(!Foo->meta->has_package_symbol('%baz'), '... HASH shouldnt have been created too');
	102	ok(!Foo->meta->has_package_symbol('&baz'), '... CODE shouldnt have been created too');
	103
	104	is(${Foo->meta->get_package_symbol('$baz')}, 10, '... got the right value back');
6d5355c3	105
	106	{
	107	no strict 'refs';
c46b802b	108	${'Foo::baz'} = 1;
	109
	110	is(${'Foo::baz'}, 1, '... our $baz was assigned to correctly');
	111	is(${Foo->meta->get_package_symbol('$baz')}, 1, '... the meta agrees');
	112	}
	113
	114	# ----------------------------------------------------------------------
	115	## test adding a CODE
	116
	117	ok(!defined($Foo::{funk}), '... the &funk slot has not been created yet');
	118
	119	lives_ok {
	120	Foo->meta->add_package_symbol('&funk' => sub { "Foo::funk" });
	121	} '... created &Foo::funk successfully';
	122
	123	ok(defined($Foo::{funk}), '... the &funk slot was created successfully');
	124	ok(Foo->meta->has_package_symbol('&funk'), '... the meta agrees');
6d5355c3	125
c46b802b	126	ok(!Foo->meta->has_package_symbol('$funk'), '... SCALAR shouldnt have been created too');
	127	ok(!Foo->meta->has_package_symbol('@funk'), '... ARRAY shouldnt have been created too');
	128	ok(!Foo->meta->has_package_symbol('%funk'), '... HASH shouldnt have been created too');
	129
	130	{
	131	no strict 'refs';
	132	ok(defined &{'Foo::funk'}, '... our &funk exists');
6d5355c3	133	}
6d5355c3	134
c46b802b	135	is(Foo->funk(), 'Foo::funk', '... got the right value from the function');
	136
	137	# ----------------------------------------------------------------------
	138	## test multiple slots in the glob
	139
	140	my $ARRAY = [ 1, 2, 3 ];
	141	my $CODE = sub { "Foo::foo" };
	142
	143	lives_ok {
	144	Foo->meta->add_package_symbol('@foo' => $ARRAY);
	145	} '... created @Foo::foo successfully';
	146
	147	ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot was added successfully');
	148	is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
	149
	150	lives_ok {
	151	Foo->meta->add_package_symbol('&foo' => $CODE);
	152	} '... created &Foo::foo successfully';
	153
	154	ok(Foo->meta->has_package_symbol('&foo'), '... the meta agrees');
	155	is(Foo->meta->get_package_symbol('&foo'), $CODE, '... got the right value for &Foo::foo');
6d5355c3	156
6d5355c3	157	lives_ok {
c46b802b	158	Foo->meta->add_package_symbol('$foo' => 'Foo::foo');
c46b802b	159	} '... created $Foo::foo successfully';
6d5355c3	160
c46b802b	161	ok(Foo->meta->has_package_symbol('$foo'), '... the meta agrees');
	162	my $SCALAR = Foo->meta->get_package_symbol('$foo');
	163	is($$SCALAR, 'Foo::foo', '... got the right scalar value back');
6d5355c3	164
	165	{
	166	no strict 'refs';
c46b802b	167	is(${'Foo::foo'}, 'Foo::foo', '... got the right value from the scalar');
6d5355c3	168	}
	169
	170	lives_ok {
58d75218	171	Foo->meta->remove_package_symbol('%foo');
6d5355c3	172	} '... removed %Foo::foo successfully';
6d5355c3	173
c46b802b	174	ok(!Foo->meta->has_package_symbol('%foo'), '... the %foo slot was removed successfully');
	175	ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists');
	176	ok(Foo->meta->has_package_symbol('&foo'), '... the &foo slot still exists');
	177	ok(Foo->meta->has_package_symbol('$foo'), '... the $foo slot still exists');
	178
	179	is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
	180	is(Foo->meta->get_package_symbol('&foo'), $CODE, '... got the right value for &Foo::foo');
	181	is(Foo->meta->get_package_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo');
6d5355c3	182
c20522bd	183	{
	184	no strict 'refs';
	185	ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
c46b802b	186	ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
c46b802b	187	ok(defined(*{"Foo::foo"}{CODE}), '... the &foo slot has NOT been removed');
d852f4d2	188	ok(defined(${"Foo::foo"}), '... the $foo slot has NOT been removed');
c20522bd	189	}
c20522bd	190
c46b802b	191	lives_ok {
	192	Foo->meta->remove_package_symbol('&foo');
	193	} '... removed &Foo::foo successfully';
	194
	195	ok(!Foo->meta->has_package_symbol('&foo'), '... the &foo slot no longer exists');
	196
	197	ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists');
	198	ok(Foo->meta->has_package_symbol('$foo'), '... the $foo slot still exists');
	199
	200	is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
	201	is(Foo->meta->get_package_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo');
	202
	203	{
	204	no strict 'refs';
	205	ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
	206	ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed');
	207	ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
d852f4d2	208	ok(defined(${"Foo::foo"}), '... the $foo slot has NOT been removed');
	209	}
	210
	211	lives_ok {
	212	Foo->meta->remove_package_symbol('$foo');
	213	} '... removed $Foo::foo successfully';
	214
	215	ok(!Foo->meta->has_package_symbol('$foo'), '... the $foo slot no longer exists');
	216
	217	ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists');
	218
	219	is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
	220
	221	{
	222	no strict 'refs';
	223	ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
	224	ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed');
	225	ok(!defined(${"Foo::foo"}), '... the $foo slot has now been removed');
	226	ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
c46b802b	227	}
	228
	229
6d5355c3	230	# check some errors
	231
	232	dies_ok {
58d75218	233	Foo->meta->add_package_symbol('bar');
6d5355c3	234	} '... no sigil for bar';
	235
	236	dies_ok {
58d75218	237	Foo->meta->remove_package_symbol('bar');
6d5355c3	238	} '... no sigil for bar';
	239
	240	dies_ok {
58d75218	241	Foo->meta->get_package_symbol('bar');
6d5355c3	242	} '... no sigil for bar';
	243
	244	dies_ok {
58d75218	245	Foo->meta->has_package_symbol('bar');
6d5355c3	246	} '... no sigil for bar';