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

use strict;
use warnings;

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

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');

is( exception {
    Foo->meta->add_package_symbol('%foo' => { one => 1 });
}, undef, '... 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');

is( exception {
    Foo->meta->add_package_symbol('@bar' => [ 1, 2, 3 ]);
}, undef, '... 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');

is( exception {
    Foo->meta->add_package_symbol('$baz' => 10);
}, undef, '... 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');

is( exception {
    Foo->meta->add_package_symbol('&funk' => sub { "Foo::funk" });
}, undef, '... 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" };

is( exception {
    Foo->meta->add_package_symbol('@foo' => $ARRAY);
}, undef, '... 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');

is( exception {
    Foo->meta->add_package_symbol('&foo' => $CODE);
}, undef, '... 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');

is( exception {
    Foo->meta->add_package_symbol('$foo' => 'Foo::foo');
}, undef, '... 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');
}

is( exception {
    Foo->meta->remove_package_symbol('%foo');
}, undef, '... 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');
}

is( exception {
    Foo->meta->remove_package_symbol('&foo');
}, undef, '... 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');
}

is( exception {
    Foo->meta->remove_package_symbol('$foo');
}, undef, '... 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');
}

done_testing;
Commit	Line	Data
52e8a34c	1	use strict;
	2	use warnings;
	3
86a4d873	4	use Test::More;
871e9eb5	5	use Test::Fatal;
52e8a34c	6
efd3d14c	7	use Class::MOP;
52e8a34c	8
	9	{
	10	package Foo;
aa448b16	11	use metaclass;
52e8a34c	12	}
52e8a34c	13
c46b802b	14	=pod
c46b802b	15
86a4d873	16	This is the same test as 080_meta_package.t just here
c46b802b	17	we call all the methods through Class::MOP::Class.
	18
	19	=cut
	20
	21	# ----------------------------------------------------------------------
	22	## tests adding a HASH
	23
52e8a34c	24	ok(!defined($Foo::{foo}), '... the %foo slot has not been created yet');
58d75218	25	ok(!Foo->meta->has_package_symbol('%foo'), '... the meta agrees');
52e8a34c	26
871e9eb5	27	is( exception {
58d75218	28	Foo->meta->add_package_symbol('%foo' => { one => 1 });
871e9eb5	29	}, undef, '... created %Foo::foo successfully' );
52e8a34c	30
86a4d873	31	# ... scalar should NOT be created here
c46b802b	32
	33	ok(!Foo->meta->has_package_symbol('$foo'), '... SCALAR shouldnt have been created too');
	34	ok(!Foo->meta->has_package_symbol('@foo'), '... ARRAY shouldnt have been created too');
	35	ok(!Foo->meta->has_package_symbol('&foo'), '... CODE shouldnt have been created too');
	36
52e8a34c	37	ok(defined($Foo::{foo}), '... the %foo slot was created successfully');
58d75218	38	ok(Foo->meta->has_package_symbol('%foo'), '... the meta agrees');
52e8a34c	39
c46b802b	40	# check the value ...
c46b802b	41
52e8a34c	42	{
	43	no strict 'refs';
	44	ok(exists ${'Foo::foo'}{one}, '... our %foo was initialized correctly');
	45	is(${'Foo::foo'}{one}, 1, '... our %foo was initialized correctly');
	46	}
	47
58d75218	48	my $foo = Foo->meta->get_package_symbol('%foo');
52e8a34c	49	is_deeply({ one => 1 }, $foo, '... got the right package variable back');
52e8a34c	50
c46b802b	51	# ... make sure changes propogate up
c46b802b	52
52e8a34c	53	$foo->{two} = 2;
	54
	55	{
	56	no strict 'refs';
58d75218	57	is(\%{'Foo::foo'}, Foo->meta->get_package_symbol('%foo'), '... our %foo is the same as the metas');
86a4d873	58
52e8a34c	59	ok(exists ${'Foo::foo'}{two}, '... our %foo was updated correctly');
86a4d873	60	is(${'Foo::foo'}{two}, 2, '... our %foo was updated correctly');
52e8a34c	61	}
52e8a34c	62
c46b802b	63	# ----------------------------------------------------------------------
	64	## test adding an ARRAY
	65
52e8a34c	66	ok(!defined($Foo::{bar}), '... the @bar slot has not been created yet');
52e8a34c	67
871e9eb5	68	is( exception {
58d75218	69	Foo->meta->add_package_symbol('@bar' => [ 1, 2, 3 ]);
871e9eb5	70	}, undef, '... created @Foo::bar successfully' );
52e8a34c	71
52e8a34c	72	ok(defined($Foo::{bar}), '... the @bar slot was created successfully');
c46b802b	73	ok(Foo->meta->has_package_symbol('@bar'), '... the meta agrees');
c46b802b	74
86a4d873	75	# ... why does this not work ...
c46b802b	76
	77	ok(!Foo->meta->has_package_symbol('$bar'), '... SCALAR shouldnt have been created too');
	78	ok(!Foo->meta->has_package_symbol('%bar'), '... HASH shouldnt have been created too');
	79	ok(!Foo->meta->has_package_symbol('&bar'), '... CODE shouldnt have been created too');
	80
	81	# check the value itself
52e8a34c	82
	83	{
	84	no strict 'refs';
	85	is(scalar @{'Foo::bar'}, 3, '... our @bar was initialized correctly');
	86	is(${'Foo::bar'}[1], 2, '... our @bar was initialized correctly');
	87	}
	88
c46b802b	89	# ----------------------------------------------------------------------
c46b802b	90	## test adding a SCALAR
52e8a34c	91
c46b802b	92	ok(!defined($Foo::{baz}), '... the $baz slot has not been created yet');
52e8a34c	93
871e9eb5	94	is( exception {
c46b802b	95	Foo->meta->add_package_symbol('$baz' => 10);
871e9eb5	96	}, undef, '... created $Foo::baz successfully' );
c46b802b	97
	98	ok(defined($Foo::{baz}), '... the $baz slot was created successfully');
	99	ok(Foo->meta->has_package_symbol('$baz'), '... the meta agrees');
52e8a34c	100
c46b802b	101	ok(!Foo->meta->has_package_symbol('@baz'), '... ARRAY shouldnt have been created too');
	102	ok(!Foo->meta->has_package_symbol('%baz'), '... HASH shouldnt have been created too');
	103	ok(!Foo->meta->has_package_symbol('&baz'), '... CODE shouldnt have been created too');
	104
86a4d873	105	is(${Foo->meta->get_package_symbol('$baz')}, 10, '... got the right value back');
52e8a34c	106
	107	{
	108	no strict 'refs';
c46b802b	109	${'Foo::baz'} = 1;
52e8a34c	110
c46b802b	111	is(${'Foo::baz'}, 1, '... our $baz was assigned to correctly');
86a4d873	112	is(${Foo->meta->get_package_symbol('$baz')}, 1, '... the meta agrees');
52e8a34c	113	}
52e8a34c	114
c46b802b	115	# ----------------------------------------------------------------------
	116	## test adding a CODE
	117
	118	ok(!defined($Foo::{funk}), '... the &funk slot has not been created yet');
52e8a34c	119
871e9eb5	120	is( exception {
c46b802b	121	Foo->meta->add_package_symbol('&funk' => sub { "Foo::funk" });
871e9eb5	122	}, undef, '... created &Foo::funk successfully' );
c46b802b	123
	124	ok(defined($Foo::{funk}), '... the &funk slot was created successfully');
	125	ok(Foo->meta->has_package_symbol('&funk'), '... the meta agrees');
52e8a34c	126
c46b802b	127	ok(!Foo->meta->has_package_symbol('$funk'), '... SCALAR shouldnt have been created too');
	128	ok(!Foo->meta->has_package_symbol('@funk'), '... ARRAY shouldnt have been created too');
	129	ok(!Foo->meta->has_package_symbol('%funk'), '... HASH shouldnt have been created too');
52e8a34c	130
	131	{
	132	no strict 'refs';
c46b802b	133	ok(defined &{'Foo::funk'}, '... our &funk exists');
	134	}
	135
	136	is(Foo->funk(), 'Foo::funk', '... got the right value from the function');
	137
	138	# ----------------------------------------------------------------------
	139	## test multiple slots in the glob
	140
	141	my $ARRAY = [ 1, 2, 3 ];
	142	my $CODE = sub { "Foo::foo" };
	143
871e9eb5	144	is( exception {
c46b802b	145	Foo->meta->add_package_symbol('@foo' => $ARRAY);
871e9eb5	146	}, undef, '... created @Foo::foo successfully' );
c46b802b	147
	148	ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot was added successfully');
	149	is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
	150
871e9eb5	151	is( exception {
c46b802b	152	Foo->meta->add_package_symbol('&foo' => $CODE);
871e9eb5	153	}, undef, '... created &Foo::foo successfully' );
c46b802b	154
	155	ok(Foo->meta->has_package_symbol('&foo'), '... the meta agrees');
	156	is(Foo->meta->get_package_symbol('&foo'), $CODE, '... got the right value for &Foo::foo');
	157
871e9eb5	158	is( exception {
c46b802b	159	Foo->meta->add_package_symbol('$foo' => 'Foo::foo');
871e9eb5	160	}, undef, '... created $Foo::foo successfully' );
c46b802b	161
	162	ok(Foo->meta->has_package_symbol('$foo'), '... the meta agrees');
	163	my $SCALAR = Foo->meta->get_package_symbol('$foo');
	164	is($$SCALAR, 'Foo::foo', '... got the right scalar value back');
	165
	166	{
	167	no strict 'refs';
	168	is(${'Foo::foo'}, 'Foo::foo', '... got the right value from the scalar');
52e8a34c	169	}
52e8a34c	170
871e9eb5	171	is( exception {
58d75218	172	Foo->meta->remove_package_symbol('%foo');
871e9eb5	173	}, undef, '... removed %Foo::foo successfully' );
52e8a34c	174
c46b802b	175	ok(!Foo->meta->has_package_symbol('%foo'), '... the %foo slot was removed successfully');
	176	ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists');
	177	ok(Foo->meta->has_package_symbol('&foo'), '... the &foo slot still exists');
	178	ok(Foo->meta->has_package_symbol('$foo'), '... the $foo slot still exists');
	179
	180	is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
	181	is(Foo->meta->get_package_symbol('&foo'), $CODE, '... got the right value for &Foo::foo');
	182	is(Foo->meta->get_package_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo');
	183
	184	{
	185	no strict 'refs';
	186	ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
86a4d873	187	ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
	188	ok(defined(*{"Foo::foo"}{CODE}), '... the &foo slot has NOT been removed');
	189	ok(defined(${"Foo::foo"}), '... the $foo slot has NOT been removed');
c46b802b	190	}
c46b802b	191
871e9eb5	192	is( exception {
c46b802b	193	Foo->meta->remove_package_symbol('&foo');
871e9eb5	194	}, undef, '... removed &Foo::foo successfully' );
c46b802b	195
	196	ok(!Foo->meta->has_package_symbol('&foo'), '... the &foo slot no longer exists');
	197
	198	ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists');
	199	ok(Foo->meta->has_package_symbol('$foo'), '... the $foo slot still exists');
	200
	201	is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
	202	is(Foo->meta->get_package_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo');
	203
	204	{
	205	no strict 'refs';
86a4d873	206	ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
	207	ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed');
	208	ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
	209	ok(defined(${"Foo::foo"}), '... the $foo slot has NOT been removed');
d852f4d2	210	}
d852f4d2	211
871e9eb5	212	is( exception {
d852f4d2	213	Foo->meta->remove_package_symbol('$foo');
871e9eb5	214	}, undef, '... removed $Foo::foo successfully' );
d852f4d2	215
	216	ok(!Foo->meta->has_package_symbol('$foo'), '... the $foo slot no longer exists');
	217
	218	ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists');
	219
	220	is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
	221
	222	{
	223	no strict 'refs';
86a4d873	224	ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
	225	ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed');
	226	ok(!defined(${"Foo::foo"}), '... the $foo slot has now been removed');
	227	ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
c46b802b	228	}
c46b802b	229
86a4d873	230	done_testing;